pgmq-migration 0.1.0.0 → 0.1.1.0

raw patch · 18 files changed

+3172/−10 lines, 18 filesPVP ok

version bump matches the API change (PVP)

API changes (from Hackage documentation)

Files

• CHANGELOG.md +7/−0
• database/migrations/v1.10.0_to_v1.11.0.sql +474/−0
• database/v1.11.0/01_schema.sql +11/−0
• database/v1.11.0/02_tables.sql +49/−0
• database/v1.11.0/03_types.sql +34/−0
• database/v1.11.0/04_core_functions.sql +69/−0
• database/v1.11.0/05_queue_management.sql +265/−0
• database/v1.11.0/06_message_ops.sql +676/−0
• database/v1.11.0/07_metrics.sql +83/−0
• database/v1.11.0/08_partitioning.sql +268/−0
• database/v1.11.0/09_notifications.sql +167/−0
• database/v1.11.0/10_fifo.sql +571/−0
• database/v1.11.0/11_topics.sql +395/−0
• pgmq-migration.cabal +4/−2
• src/Pgmq/Migration/Migrations.hs +8/−6
• src/Pgmq/Migration/Migrations/V1_10_0_to_V1_11_0.hs +22/−0
• src/Pgmq/Migration/Migrations/V1_11_0.hs +67/−0
• test/Main.hs +2/−2

@@ -1,5 +1,12 @@ # Changelog for pgmq-migration +## 0.1.1.0 -- 2026-02-23++### New Features++* Support for PGMQ v1.11.0 schema installation+* Incremental migration from v1.10.0 to v1.11.0 (topic routing, batch topic sends, throttle management)+ ## 0.1.0.0 -- 2026-02-21  * Initial release

@@ -0,0 +1,474 @@+------------------------------------------------------------+-- Upgrade migration: pgmq v1.10.0 -> v1.11.0+-- Combines changes from v1.10.0->v1.10.1 and v1.10.1->v1.11.0+------------------------------------------------------------++-- 1. Topic bindings table+CREATE TABLE IF NOT EXISTS pgmq.topic_bindings+(+    pattern        text NOT NULL,+    queue_name     text NOT NULL+        CONSTRAINT topic_bindings_meta_queue_name_fk+            REFERENCES pgmq.meta (queue_name)+            ON DELETE CASCADE,+    bound_at       TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL,+    compiled_regex text GENERATED ALWAYS AS (+        '^' ||+        replace(+                replace(+                        regexp_replace(pattern, '([.+?{}()|\[\]\\^$])', '\\\1', 'g'),+                        '*', '[^.]+'+                ),+                '#', '.*'+        ) || '$'+        ) STORED,+    CONSTRAINT topic_bindings_unique_pattern_queue UNIQUE (pattern, queue_name)+);++CREATE INDEX IF NOT EXISTS idx_topic_bindings_covering ON pgmq.topic_bindings (pattern) INCLUDE (queue_name, compiled_regex);++-- 2. Topic validation functions+CREATE OR REPLACE FUNCTION pgmq.validate_routing_key(routing_key text)+    RETURNS boolean+    LANGUAGE plpgsql+    IMMUTABLE+AS+$$+BEGIN+    IF routing_key IS NULL OR routing_key = '' THEN+        RAISE EXCEPTION 'routing_key cannot be NULL or empty';+    END IF;++    IF length(routing_key) > 255 THEN+        RAISE EXCEPTION 'routing_key length cannot exceed 255 characters, got % characters', length(routing_key);+    END IF;++    IF routing_key !~ '^[a-zA-Z0-9._-]+$' THEN+        RAISE EXCEPTION 'routing_key contains invalid characters. Only alphanumeric, dots, hyphens, and underscores are allowed. Got: %', routing_key;+    END IF;++    IF routing_key ~ '^\.' THEN+        RAISE EXCEPTION 'routing_key cannot start with a dot. Got: %', routing_key;+    END IF;++    IF routing_key ~ '\.$' THEN+        RAISE EXCEPTION 'routing_key cannot end with a dot. Got: %', routing_key;+    END IF;++    IF routing_key ~ '\.\.' THEN+        RAISE EXCEPTION 'routing_key cannot contain consecutive dots. Got: %', routing_key;+    END IF;++    RETURN true;+END;+$$;++CREATE OR REPLACE FUNCTION pgmq.validate_topic_pattern(pattern text)+    RETURNS boolean+    LANGUAGE plpgsql+    IMMUTABLE+AS+$$+BEGIN+    IF pattern IS NULL OR pattern = '' THEN+        RAISE EXCEPTION 'pattern cannot be NULL or empty';+    END IF;++    IF length(pattern) > 255 THEN+        RAISE EXCEPTION 'pattern length cannot exceed 255 characters, got % characters', length(pattern);+    END IF;++    IF pattern !~ '^[a-zA-Z0-9._\-*#]+$' THEN+        RAISE EXCEPTION 'pattern contains invalid characters. Only alphanumeric, dots, hyphens, underscores, *, and # are allowed. Got: %', pattern;+    END IF;++    IF pattern ~ '^\.' THEN+        RAISE EXCEPTION 'pattern cannot start with a dot. Got: %', pattern;+    END IF;++    IF pattern ~ '\.$' THEN+        RAISE EXCEPTION 'pattern cannot end with a dot. Got: %', pattern;+    END IF;++    IF pattern ~ '\.\.' THEN+        RAISE EXCEPTION 'pattern cannot contain consecutive dots. Got: %', pattern;+    END IF;++    IF pattern ~ '\*\*' THEN+        RAISE EXCEPTION 'pattern cannot contain consecutive stars (**). Use # for multi-segment matching. Got: %', pattern;+    END IF;++    IF pattern ~ '##' THEN+        RAISE EXCEPTION 'pattern cannot contain consecutive hashes (##). A single # already matches zero or more segments. Got: %', pattern;+    END IF;++    IF pattern ~ '\*#' OR pattern ~ '#\*' THEN+        RAISE EXCEPTION 'pattern cannot contain adjacent wildcards (*# or #*). Separate wildcards with dots. Got: %', pattern;+    END IF;++    RETURN true;+END;+$$;++-- 3. Topic binding management functions+CREATE OR REPLACE FUNCTION pgmq.bind_topic(pattern text, queue_name text)+    RETURNS void+    LANGUAGE plpgsql+AS+$$+BEGIN+    PERFORM pgmq.validate_topic_pattern(pattern);+    IF queue_name IS NULL OR queue_name = '' THEN+        RAISE EXCEPTION 'queue_name cannot be NULL or empty';+    END IF;++    IF NOT EXISTS (SELECT 1 FROM pgmq.meta WHERE meta.queue_name = bind_topic.queue_name) THEN+        RAISE EXCEPTION 'Queue "%" does not exist. Create the queue first using pgmq.create()', queue_name;+    END IF;++    INSERT INTO pgmq.topic_bindings (pattern, queue_name)+    VALUES (pattern, queue_name)+    ON CONFLICT ON CONSTRAINT topic_bindings_unique_pattern_queue DO NOTHING;+END;+$$;++CREATE OR REPLACE FUNCTION pgmq.unbind_topic(pattern text, queue_name text)+    RETURNS boolean+    LANGUAGE plpgsql+AS+$$+DECLARE+    rows_deleted integer;+BEGIN+    IF pattern IS NULL OR pattern = '' THEN+        RAISE EXCEPTION 'pattern cannot be NULL or empty';+    END IF;++    IF queue_name IS NULL OR queue_name = '' THEN+        RAISE EXCEPTION 'queue_name cannot be NULL or empty';+    END IF;++    DELETE+    FROM pgmq.topic_bindings+    WHERE topic_bindings.pattern = unbind_topic.pattern+      AND topic_bindings.queue_name = unbind_topic.queue_name;++    GET DIAGNOSTICS rows_deleted = ROW_COUNT;++    IF rows_deleted > 0 THEN+        RETURN true;+    ELSE+        RETURN false;+    END IF;+END;+$$;++CREATE OR REPLACE FUNCTION pgmq.test_routing(routing_key text)+    RETURNS TABLE+            (+                pattern        text,+                queue_name     text,+                compiled_regex text+            )+    LANGUAGE plpgsql+    STABLE+AS+$$+BEGIN+    PERFORM pgmq.validate_routing_key(routing_key);+    RETURN QUERY+        SELECT b.pattern,+               b.queue_name,+               b.compiled_regex+        FROM pgmq.topic_bindings b+        WHERE routing_key ~ b.compiled_regex+        ORDER BY b.pattern;+END;+$$;++-- 4. Topic send functions+CREATE OR REPLACE FUNCTION pgmq.send_topic(routing_key text, msg jsonb, headers jsonb, delay integer)+    RETURNS integer+    LANGUAGE plpgsql+    VOLATILE+AS+$$+DECLARE+    b             RECORD;+    matched_count integer := 0;+BEGIN+    PERFORM pgmq.validate_routing_key(routing_key);++    IF msg IS NULL THEN+        RAISE EXCEPTION 'msg cannot be NULL';+    END IF;++    IF delay < 0 THEN+        RAISE EXCEPTION 'delay cannot be negative, got: %', delay;+    END IF;++    FOR b IN+        SELECT DISTINCT tb.queue_name+        FROM pgmq.topic_bindings tb+        WHERE routing_key ~ tb.compiled_regex+        ORDER BY tb.queue_name+        LOOP+            PERFORM pgmq.send(b.queue_name, msg, headers, delay);+            matched_count := matched_count + 1;+        END LOOP;++    RETURN matched_count;+END;+$$;++CREATE OR REPLACE FUNCTION pgmq.send_topic(routing_key text, msg jsonb)+    RETURNS integer+    LANGUAGE plpgsql+    VOLATILE+AS+$$+BEGIN+    RETURN pgmq.send_topic(routing_key, msg, NULL, 0);+END;+$$;++CREATE OR REPLACE FUNCTION pgmq.send_topic(routing_key text, msg jsonb, delay integer)+    RETURNS integer+    LANGUAGE plpgsql+    VOLATILE+AS+$$+BEGIN+    RETURN pgmq.send_topic(routing_key, msg, NULL, delay);+END;+$$;++-- 5. Topic listing functions+CREATE OR REPLACE FUNCTION pgmq.list_topic_bindings()+    RETURNS TABLE+            (+                pattern        text,+                queue_name     text,+                bound_at       TIMESTAMP WITH TIME ZONE,+                compiled_regex text+            )+    LANGUAGE sql+    STABLE+AS+$$+    SELECT pattern, queue_name, bound_at, compiled_regex+    FROM pgmq.topic_bindings+    ORDER BY bound_at DESC, pattern, queue_name;+$$;++CREATE OR REPLACE FUNCTION pgmq.list_topic_bindings(queue_name text)+    RETURNS TABLE+            (+                pattern        text,+                queue_name     text,+                bound_at       TIMESTAMP WITH TIME ZONE,+                compiled_regex text+            )+    LANGUAGE sql+    STABLE+AS+$$+    SELECT pattern, tb.queue_name, bound_at, compiled_regex+    FROM pgmq.topic_bindings tb+    WHERE tb.queue_name = list_topic_bindings.queue_name+    ORDER BY bound_at DESC, pattern;+$$;++-- 6. Notification management functions+CREATE OR REPLACE FUNCTION pgmq.list_notify_insert_throttles()+    RETURNS TABLE+            (+                queue_name           text,+                throttle_interval_ms integer,+                last_notified_at     TIMESTAMP WITH TIME ZONE+            )+    LANGUAGE sql+    STABLE+AS+$$+    SELECT queue_name, throttle_interval_ms, last_notified_at+    FROM pgmq.notify_insert_throttle+    ORDER BY queue_name;+$$;++CREATE OR REPLACE FUNCTION pgmq.update_notify_insert(queue_name text, throttle_interval_ms integer)+    RETURNS void+    LANGUAGE plpgsql+AS+$$+BEGIN+    IF throttle_interval_ms < 0 THEN+        RAISE EXCEPTION 'throttle_interval_ms must be non-negative, got: %', throttle_interval_ms;+    END IF;++    IF NOT EXISTS (SELECT 1 FROM pgmq.meta WHERE meta.queue_name = update_notify_insert.queue_name) THEN+        RAISE EXCEPTION 'Queue "%" does not exist. Create the queue first using pgmq.create()', queue_name;+    END IF;++    IF NOT EXISTS (SELECT 1 FROM pgmq.notify_insert_throttle WHERE notify_insert_throttle.queue_name = update_notify_insert.queue_name) THEN+        RAISE EXCEPTION 'Queue "%" does not have notify_insert enabled. Enable it first using pgmq.enable_notify_insert()', queue_name;+    END IF;++    UPDATE pgmq.notify_insert_throttle+    SET throttle_interval_ms = update_notify_insert.throttle_interval_ms,+        last_notified_at = to_timestamp(0)+    WHERE notify_insert_throttle.queue_name = update_notify_insert.queue_name;+END;+$$;++-- 7. Batch validation helpers+CREATE OR REPLACE FUNCTION pgmq._validate_batch_params(+    msgs JSONB[],+    headers JSONB[]+) RETURNS void AS $$+BEGIN+    IF msgs IS NULL OR array_length(msgs, 1) IS NULL THEN+        RAISE EXCEPTION 'msgs cannot be NULL or empty';+    END IF;++    IF headers IS NOT NULL AND COALESCE(array_length(headers, 1), 0) != COALESCE(array_length(msgs, 1), 0) THEN+        RAISE EXCEPTION 'headers array length (%) must match msgs array length (%)',+            COALESCE(array_length(headers, 1), 0), COALESCE(array_length(msgs, 1), 0);+    END IF;+END;+$$ LANGUAGE plpgsql;++CREATE OR REPLACE FUNCTION pgmq._send_batch(+    queue_name TEXT,+    msgs JSONB[],+    headers JSONB[],+    delay TIMESTAMP WITH TIME ZONE+) RETURNS SETOF BIGINT AS $$+DECLARE+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    sql := FORMAT(+            $QUERY$+        INSERT INTO pgmq.%I (vt, message, headers)+        SELECT $2, unnest($1), unnest(coalesce($3, ARRAY[]::jsonb[]))+        RETURNING msg_id;+        $QUERY$,+            qtable+           );+    RETURN QUERY EXECUTE sql USING msgs, delay, headers;+END;+$$ LANGUAGE plpgsql;++-- Update send_batch to use validation+-- Must drop first because parameter name changed from 'vt' to 'delay'+DROP FUNCTION IF EXISTS pgmq.send_batch(text, jsonb[], jsonb[], timestamp with time zone);+CREATE OR REPLACE FUNCTION pgmq.send_batch(+    queue_name TEXT,+    msgs JSONB[],+    headers JSONB[],+    delay TIMESTAMP WITH TIME ZONE+) RETURNS SETOF BIGINT AS $$+BEGIN+    PERFORM pgmq._validate_batch_params(msgs, headers);+    RETURN QUERY SELECT * FROM pgmq._send_batch(queue_name, msgs, headers, delay);+END;+$$ LANGUAGE plpgsql;++-- 8. Batch topic send functions+CREATE OR REPLACE FUNCTION pgmq.send_batch_topic(+    routing_key text,+    msgs jsonb[],+    headers jsonb[],+    delay TIMESTAMP WITH TIME ZONE+)+    RETURNS TABLE(queue_name text, msg_id bigint)+    LANGUAGE plpgsql+    VOLATILE+AS+$$+DECLARE+    b RECORD;+BEGIN+    PERFORM pgmq.validate_routing_key(routing_key);+    PERFORM pgmq._validate_batch_params(msgs, headers);++    FOR b IN+        SELECT DISTINCT tb.queue_name+        FROM pgmq.topic_bindings tb+        WHERE routing_key ~ tb.compiled_regex+        ORDER BY tb.queue_name+        LOOP+            RETURN QUERY+            SELECT b.queue_name, batch_result.msg_id+            FROM pgmq._send_batch(b.queue_name, msgs, headers, delay) AS batch_result(msg_id);+        END LOOP;++    RETURN;+END;+$$;++CREATE OR REPLACE FUNCTION pgmq.send_batch_topic(+    routing_key text,+    msgs jsonb[]+)+    RETURNS TABLE(queue_name text, msg_id bigint)+    LANGUAGE sql+    VOLATILE+AS+$$+    SELECT * FROM pgmq.send_batch_topic(routing_key, msgs, NULL, clock_timestamp());+$$;++CREATE OR REPLACE FUNCTION pgmq.send_batch_topic(+    routing_key text,+    msgs jsonb[],+    headers jsonb[]+)+    RETURNS TABLE(queue_name text, msg_id bigint)+    LANGUAGE sql+    VOLATILE+AS+$$+    SELECT * FROM pgmq.send_batch_topic(routing_key, msgs, headers, clock_timestamp());+$$;++CREATE OR REPLACE FUNCTION pgmq.send_batch_topic(+    routing_key text,+    msgs jsonb[],+    delay integer+)+    RETURNS TABLE(queue_name text, msg_id bigint)+    LANGUAGE sql+    VOLATILE+AS+$$+    SELECT * FROM pgmq.send_batch_topic(routing_key, msgs, NULL, clock_timestamp() + make_interval(secs => delay));+$$;++CREATE OR REPLACE FUNCTION pgmq.send_batch_topic(+    routing_key text,+    msgs jsonb[],+    delay TIMESTAMP WITH TIME ZONE+)+    RETURNS TABLE(queue_name text, msg_id bigint)+    LANGUAGE sql+    VOLATILE+AS+$$+    SELECT * FROM pgmq.send_batch_topic(routing_key, msgs, NULL, delay);+$$;++CREATE OR REPLACE FUNCTION pgmq.send_batch_topic(+    routing_key text,+    msgs jsonb[],+    headers jsonb[],+    delay integer+)+    RETURNS TABLE(queue_name text, msg_id bigint)+    LANGUAGE sql+    VOLATILE+AS+$$+    SELECT * FROM pgmq.send_batch_topic(routing_key, msgs, headers, clock_timestamp() + make_interval(secs => delay));+$$;

@@ -0,0 +1,11 @@+------------------------------------------------------------+-- Schema creation and grants (without extension)+------------------------------------------------------------+CREATE SCHEMA IF NOT EXISTS pgmq;++-- Grant permission to pg_monitor to all tables and sequences+GRANT USAGE ON SCHEMA pgmq TO pg_monitor;+GRANT SELECT ON ALL TABLES IN SCHEMA pgmq TO pg_monitor;+GRANT SELECT ON ALL SEQUENCES IN SCHEMA pgmq TO pg_monitor;+ALTER DEFAULT PRIVILEGES IN SCHEMA pgmq GRANT SELECT ON TABLES TO pg_monitor;+ALTER DEFAULT PRIVILEGES IN SCHEMA pgmq GRANT SELECT ON SEQUENCES TO pg_monitor;

@@ -0,0 +1,49 @@+------------------------------------------------------------+-- Tables: meta, notify_insert_throttle, topic_bindings+------------------------------------------------------------++-- Table where queues and metadata about them is stored+CREATE TABLE IF NOT EXISTS pgmq.meta (+    queue_name VARCHAR UNIQUE NOT NULL,+    is_partitioned BOOLEAN NOT NULL,+    is_unlogged BOOLEAN NOT NULL,+    created_at TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL+);++-- Table to track notification throttling for queues+CREATE UNLOGGED TABLE IF NOT EXISTS pgmq.notify_insert_throttle (+    queue_name           VARCHAR UNIQUE NOT NULL -- Queue name (without 'q_' prefix)+       CONSTRAINT notify_insert_throttle_meta_queue_name_fk+            REFERENCES pgmq.meta (queue_name)+            ON DELETE CASCADE,+    throttle_interval_ms INTEGER NOT NULL DEFAULT 0, -- Min milliseconds between notifications (0 = no throttling)+    last_notified_at     TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT to_timestamp(0) -- Timestamp of last sent notification+);++CREATE INDEX IF NOT EXISTS idx_notify_throttle_active+    ON pgmq.notify_insert_throttle (queue_name, last_notified_at)+    WHERE throttle_interval_ms > 0;++-- Topic bindings for AMQP-like routing (pgmq 1.11.0+)+CREATE TABLE IF NOT EXISTS pgmq.topic_bindings+(+    pattern        text NOT NULL,+    queue_name     text NOT NULL+        CONSTRAINT topic_bindings_meta_queue_name_fk+            REFERENCES pgmq.meta (queue_name)+            ON DELETE CASCADE,+    bound_at       TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL,+    compiled_regex text GENERATED ALWAYS AS (+        '^' ||+        replace(+                replace(+                        regexp_replace(pattern, '([.+?{}()|\[\]\\^$])', '\\\1', 'g'),+                        '*', '[^.]+'+                ),+                '#', '.*'+        ) || '$'+        ) STORED,+    CONSTRAINT topic_bindings_unique_pattern_queue UNIQUE (pattern, queue_name)+);++CREATE INDEX IF NOT EXISTS idx_topic_bindings_covering ON pgmq.topic_bindings (pattern) INCLUDE (queue_name, compiled_regex);

@@ -0,0 +1,34 @@+------------------------------------------------------------+-- Custom types: message_record, queue_record, metrics_result+------------------------------------------------------------++-- This type has the shape of a message in a queue, and is often returned by+-- pgmq functions that return messages+-- Note: last_read_at field added in pgmq 1.10.0+CREATE TYPE pgmq.message_record AS (+    msg_id BIGINT,+    read_ct INTEGER,+    enqueued_at TIMESTAMP WITH TIME ZONE,+    last_read_at TIMESTAMP WITH TIME ZONE,+    vt TIMESTAMP WITH TIME ZONE,+    message JSONB,+    headers JSONB+);++CREATE TYPE pgmq.queue_record AS (+    queue_name VARCHAR,+    is_partitioned BOOLEAN,+    is_unlogged BOOLEAN,+    created_at TIMESTAMP WITH TIME ZONE+);++-- returned by pgmq.metrics() and pgmq.metrics_all+CREATE TYPE pgmq.metrics_result AS (+    queue_name text,+    queue_length bigint,+    newest_msg_age_sec int,+    oldest_msg_age_sec int,+    total_messages bigint,+    scrape_time timestamp with time zone,+    queue_visible_length bigint+);

@@ -0,0 +1,69 @@+------------------------------------------------------------+-- Core utility functions+------------------------------------------------------------++-- prevents race conditions during queue creation by acquiring a transaction-level advisory lock+-- uses a transaction advisory lock maintain the lock until transaction commit+-- a race condition would still exist if lock was released before commit+CREATE FUNCTION pgmq.acquire_queue_lock(queue_name TEXT)+RETURNS void AS $$+BEGIN+  PERFORM pg_advisory_xact_lock(hashtext('pgmq.queue_' || queue_name));+END;+$$ LANGUAGE plpgsql;++-- a helper to format table names and check for invalid characters+CREATE FUNCTION pgmq.format_table_name(queue_name text, prefix text)+RETURNS TEXT AS $$+BEGIN+    IF queue_name ~ '\$|;|--|'''+    THEN+        RAISE EXCEPTION 'queue name contains invalid characters: $, ;, --, or \''';+    END IF;+    RETURN lower(prefix || '_' || queue_name);+END;+$$ LANGUAGE plpgsql;++CREATE FUNCTION pgmq.validate_queue_name(queue_name TEXT)+RETURNS void AS $$+BEGIN+  IF length(queue_name) > 47 THEN+    -- complete table identifier must be <= 63+    -- https://www.postgresql.org/docs/17/sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS+    -- e.g. template_pgmq_q_my_queue is an identifier for my_queue when partitioned+    -- template_pgmq_q_ (16) + <a max length queue name> (47) = 63+    RAISE EXCEPTION 'queue name is too long, maximum length is 47 characters';+  END IF;+END;+$$ LANGUAGE plpgsql;++CREATE FUNCTION pgmq._belongs_to_pgmq(table_name TEXT)+RETURNS BOOLEAN AS $$+DECLARE+    sql TEXT;+    result BOOLEAN;+BEGIN+  SELECT EXISTS (+    SELECT 1+    FROM pg_depend+    WHERE refobjid = (SELECT oid FROM pg_extension WHERE extname = 'pgmq')+    AND objid = (+        SELECT oid+        FROM pg_class+        WHERE relname = table_name+    )+  ) INTO result;+  RETURN result;+END;+$$ LANGUAGE plpgsql;++CREATE FUNCTION pgmq._extension_exists(extension_name TEXT)+    RETURNS BOOLEAN+    LANGUAGE SQL+AS $$+SELECT EXISTS (+    SELECT 1+    FROM pg_extension+    WHERE extname = extension_name+)+$$;

@@ -0,0 +1,265 @@+------------------------------------------------------------+-- Queue management functions+------------------------------------------------------------++CREATE FUNCTION pgmq.create_non_partitioned(queue_name TEXT)+RETURNS void AS $$+DECLARE+  qtable TEXT := pgmq.format_table_name(queue_name, 'q');+  qtable_seq TEXT := qtable || '_msg_id_seq';+  atable TEXT := pgmq.format_table_name(queue_name, 'a');+BEGIN+  PERFORM pgmq.validate_queue_name(queue_name);+  PERFORM pgmq.acquire_queue_lock(queue_name);++  EXECUTE FORMAT(+    $QUERY$+    CREATE TABLE IF NOT EXISTS pgmq.%I (+        msg_id BIGINT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,+        read_ct INT DEFAULT 0 NOT NULL,+        enqueued_at TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL,+        last_read_at TIMESTAMP WITH TIME ZONE,+        vt TIMESTAMP WITH TIME ZONE NOT NULL,+        message JSONB,+        headers JSONB+    )+    $QUERY$,+    qtable+  );++  EXECUTE FORMAT(+    $QUERY$+    CREATE TABLE IF NOT EXISTS pgmq.%I (+      msg_id BIGINT PRIMARY KEY,+      read_ct INT DEFAULT 0 NOT NULL,+      enqueued_at TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL,+      last_read_at TIMESTAMP WITH TIME ZONE,+      archived_at TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL,+      vt TIMESTAMP WITH TIME ZONE NOT NULL,+      message JSONB,+      headers JSONB+    );+    $QUERY$,+    atable+  );++  EXECUTE FORMAT(+    $QUERY$+    CREATE INDEX IF NOT EXISTS %I ON pgmq.%I (vt ASC);+    $QUERY$,+    qtable || '_vt_idx', qtable+  );++  EXECUTE FORMAT(+    $QUERY$+    CREATE INDEX IF NOT EXISTS %I ON pgmq.%I (archived_at);+    $QUERY$,+    'archived_at_idx_' || queue_name, atable+  );++  EXECUTE FORMAT(+    $QUERY$+    INSERT INTO pgmq.meta (queue_name, is_partitioned, is_unlogged)+    VALUES (%L, false, false)+    ON CONFLICT+    DO NOTHING;+    $QUERY$,+    queue_name+  );++END;+$$ LANGUAGE plpgsql;++CREATE FUNCTION pgmq.create_unlogged(queue_name TEXT)+RETURNS void AS $$+DECLARE+  qtable TEXT := pgmq.format_table_name(queue_name, 'q');+  qtable_seq TEXT := qtable || '_msg_id_seq';+  atable TEXT := pgmq.format_table_name(queue_name, 'a');+BEGIN+  PERFORM pgmq.validate_queue_name(queue_name);+  PERFORM pgmq.acquire_queue_lock(queue_name);++  EXECUTE FORMAT(+    $QUERY$+    CREATE UNLOGGED TABLE IF NOT EXISTS pgmq.%I (+        msg_id BIGINT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,+        read_ct INT DEFAULT 0 NOT NULL,+        enqueued_at TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL,+        last_read_at TIMESTAMP WITH TIME ZONE,+        vt TIMESTAMP WITH TIME ZONE NOT NULL,+        message JSONB,+        headers JSONB+    )+    $QUERY$,+    qtable+  );++  EXECUTE FORMAT(+    $QUERY$+    CREATE TABLE IF NOT EXISTS pgmq.%I (+      msg_id BIGINT PRIMARY KEY,+      read_ct INT DEFAULT 0 NOT NULL,+      enqueued_at TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL,+      last_read_at TIMESTAMP WITH TIME ZONE,+      archived_at TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL,+      vt TIMESTAMP WITH TIME ZONE NOT NULL,+      message JSONB,+      headers JSONB+    );+    $QUERY$,+    atable+  );++  EXECUTE FORMAT(+    $QUERY$+    CREATE INDEX IF NOT EXISTS %I ON pgmq.%I (vt ASC);+    $QUERY$,+    qtable || '_vt_idx', qtable+  );++  EXECUTE FORMAT(+    $QUERY$+    CREATE INDEX IF NOT EXISTS %I ON pgmq.%I (archived_at);+    $QUERY$,+    'archived_at_idx_' || queue_name, atable+  );++  EXECUTE FORMAT(+    $QUERY$+    INSERT INTO pgmq.meta (queue_name, is_partitioned, is_unlogged)+    VALUES (%L, false, true)+    ON CONFLICT+    DO NOTHING;+    $QUERY$,+    queue_name+  );+END;+$$ LANGUAGE plpgsql;++CREATE FUNCTION pgmq.create(queue_name TEXT)+RETURNS void AS $$+BEGIN+    PERFORM pgmq.create_non_partitioned(queue_name);+END;+$$ LANGUAGE plpgsql;++CREATE FUNCTION pgmq.drop_queue(queue_name TEXT, partitioned BOOLEAN)+RETURNS BOOLEAN AS $$+DECLARE+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+    fq_qtable TEXT := 'pgmq.' || qtable;+    atable TEXT := pgmq.format_table_name(queue_name, 'a');+    fq_atable TEXT := 'pgmq.' || atable;+BEGIN+    RAISE WARNING 'drop_queue(queue_name, partitioned) is deprecated and will be removed in PGMQ v2.0. Use drop_queue(queue_name) instead';++    PERFORM pgmq.drop_queue(queue_name);++    RETURN TRUE;+END;+$$ LANGUAGE plpgsql;++CREATE FUNCTION pgmq.drop_queue(queue_name TEXT)+RETURNS BOOLEAN AS $$+DECLARE+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+    qtable_seq TEXT := qtable || '_msg_id_seq';+    fq_qtable TEXT := 'pgmq.' || qtable;+    atable TEXT := pgmq.format_table_name(queue_name, 'a');+    fq_atable TEXT := 'pgmq.' || atable;+    partitioned BOOLEAN;+BEGIN+    PERFORM pgmq.acquire_queue_lock(queue_name);+    EXECUTE FORMAT(+        $QUERY$+        SELECT is_partitioned FROM pgmq.meta WHERE queue_name = %L+        $QUERY$,+        queue_name+    ) INTO partitioned;++    -- check if the queue exists+    IF NOT EXISTS (+        SELECT 1+        FROM information_schema.tables+        WHERE table_name = qtable and table_schema = 'pgmq'+    ) THEN+        RAISE NOTICE 'pgmq queue `%` does not exist', queue_name;+        RETURN FALSE;+    END IF;++    EXECUTE FORMAT(+        $QUERY$+        DROP TABLE IF EXISTS pgmq.%I+        $QUERY$,+        qtable+    );++    EXECUTE FORMAT(+        $QUERY$+        DROP TABLE IF EXISTS pgmq.%I+        $QUERY$,+        atable+    );++     IF EXISTS (+          SELECT 1+          FROM information_schema.tables+          WHERE table_name = 'meta' and table_schema = 'pgmq'+     ) THEN+        EXECUTE FORMAT(+            $QUERY$+            DELETE FROM pgmq.meta WHERE queue_name = %L+            $QUERY$,+            queue_name+        );+     END IF;++     IF partitioned THEN+        EXECUTE FORMAT(+          $QUERY$+          DELETE FROM %I.part_config where parent_table in (%L, %L)+          $QUERY$,+          pgmq._get_pg_partman_schema(), fq_qtable, fq_atable+        );+     END IF;++    RETURN TRUE;+END;+$$ LANGUAGE plpgsql;++-- list queues+CREATE FUNCTION pgmq."list_queues"()+RETURNS SETOF pgmq.queue_record AS $$+BEGIN+  RETURN QUERY SELECT * FROM pgmq.meta;+END+$$ LANGUAGE plpgsql;++-- purge queue, deleting all entries in it.+CREATE OR REPLACE FUNCTION pgmq."purge_queue"(queue_name TEXT)+RETURNS BIGINT AS $$+DECLARE+  deleted_count INTEGER;+  qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+  -- Get the row count before truncating+  EXECUTE format('SELECT count(*) FROM pgmq.%I', qtable) INTO deleted_count;++  -- Use TRUNCATE for better performance on large tables+  EXECUTE format('TRUNCATE TABLE pgmq.%I', qtable);++  -- Return the number of purged rows+  RETURN deleted_count;+END+$$ LANGUAGE plpgsql;++-- unassign archive, so it can be kept when a queue is deleted+CREATE FUNCTION pgmq."detach_archive"(queue_name TEXT)+RETURNS VOID AS $$+DECLARE+  atable TEXT := pgmq.format_table_name(queue_name, 'a');+BEGIN+  RAISE WARNING 'detach_archive(queue_name) is deprecated and is a no-op. It will be removed in PGMQ v2.0. Archive tables are no longer member objects.';+END+$$ LANGUAGE plpgsql;

@@ -0,0 +1,676 @@+------------------------------------------------------------+-- Message operations: send, read, delete, archive, pop, set_vt+------------------------------------------------------------++-- send: 2 args, no delay+CREATE FUNCTION pgmq.send(+    queue_name TEXT,+    msg JSONB+)+RETURNS SETOF BIGINT AS $$+BEGIN+    RETURN QUERY SELECT * FROM pgmq.send(queue_name, msg, NULL, clock_timestamp());+END;+$$ LANGUAGE plpgsql;++-- send: 3 args with headers+CREATE FUNCTION pgmq.send(+    queue_name TEXT,+    msg JSONB,+    headers JSONB+)+RETURNS SETOF BIGINT AS $$+BEGIN+    RETURN QUERY SELECT * FROM pgmq.send(queue_name, msg, headers, clock_timestamp());+END;+$$ LANGUAGE plpgsql;++-- send: 3 args with delay+CREATE FUNCTION pgmq.send(+    queue_name TEXT,+    msg JSONB,+    delay INTEGER+)+RETURNS SETOF BIGINT AS $$+BEGIN+    RETURN QUERY SELECT * FROM pgmq.send(queue_name, msg, NULL, clock_timestamp() + make_interval(secs => delay));+END;+$$ LANGUAGE plpgsql;++-- send: 4 args with headers and delay+CREATE FUNCTION pgmq.send(+    queue_name TEXT,+    msg JSONB,+    headers JSONB,+    delay INTEGER+)+RETURNS SETOF BIGINT AS $$+BEGIN+    RETURN QUERY SELECT * FROM pgmq.send(queue_name, msg, headers, clock_timestamp() + make_interval(secs => delay));+END;+$$ LANGUAGE plpgsql;++-- send: actual implementation+CREATE FUNCTION pgmq.send(+    queue_name TEXT,+    msg JSONB,+    headers JSONB,+    vt TIMESTAMP WITH TIME ZONE+)+RETURNS SETOF BIGINT AS $$+DECLARE+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    sql := FORMAT(+        $QUERY$+        INSERT INTO pgmq.%I (vt, message, headers)+        VALUES ($1, $2, $3)+        RETURNING msg_id;+        $QUERY$,+        qtable+    );+    RETURN QUERY EXECUTE sql USING vt, msg, headers;+END;+$$ LANGUAGE plpgsql;++-- send_batch: no delay+CREATE FUNCTION pgmq.send_batch(+    queue_name TEXT,+    msgs JSONB[]+)+RETURNS SETOF BIGINT AS $$+BEGIN+    RETURN QUERY SELECT * FROM pgmq.send_batch(queue_name, msgs, NULL, clock_timestamp());+END;+$$ LANGUAGE plpgsql;++-- send_batch: with delay+CREATE FUNCTION pgmq.send_batch(+    queue_name TEXT,+    msgs JSONB[],+    delay INTEGER+)+RETURNS SETOF BIGINT AS $$+BEGIN+    RETURN QUERY SELECT * FROM pgmq.send_batch(queue_name, msgs, NULL, clock_timestamp() + make_interval(secs => delay));+END;+$$ LANGUAGE plpgsql;++-- send_batch: with headers+CREATE FUNCTION pgmq.send_batch(+    queue_name TEXT,+    msgs JSONB[],+    headers JSONB[]+)+RETURNS SETOF BIGINT AS $$+BEGIN+    RETURN QUERY SELECT * FROM pgmq.send_batch(queue_name, msgs, headers, clock_timestamp());+END;+$$ LANGUAGE plpgsql;++-- send_batch: with headers and delay+CREATE FUNCTION pgmq.send_batch(+    queue_name TEXT,+    msgs JSONB[],+    headers JSONB[],+    delay INTEGER+)+RETURNS SETOF BIGINT AS $$+BEGIN+    RETURN QUERY SELECT * FROM pgmq.send_batch(queue_name, msgs, headers, clock_timestamp() + make_interval(secs => delay));+END;+$$ LANGUAGE plpgsql;++-- send_batch: actual implementation+CREATE FUNCTION pgmq.send_batch(+    queue_name TEXT,+    msgs JSONB[],+    headers JSONB[],+    vt TIMESTAMP WITH TIME ZONE+)+RETURNS SETOF BIGINT AS $$+DECLARE+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    sql := FORMAT(+        $QUERY$+        INSERT INTO pgmq.%I (vt, message, headers)+        SELECT $1, unnest($2), unnest(coalesce($3, array_fill(NULL::jsonb, array[cardinality($2)])))+        RETURNING msg_id;+        $QUERY$,+        qtable+    );+    RETURN QUERY EXECUTE sql USING vt, msgs, headers;+END;+$$ LANGUAGE plpgsql;++---- read+---- reads a number of messages from a queue, setting a visibility timeout on them+---- Note: last_read_at is set on read (pgmq 1.10.0+)+CREATE FUNCTION pgmq.read(+    queue_name TEXT,+    vt INTEGER,+    qty INTEGER+)+RETURNS SETOF pgmq.message_record AS $$+DECLARE+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    sql := FORMAT(+        $QUERY$+        WITH cte AS+        (+            SELECT msg_id+            FROM pgmq.%I+            WHERE vt <= clock_timestamp()+            ORDER BY msg_id ASC+            LIMIT $1+            FOR UPDATE SKIP LOCKED+        )+        UPDATE pgmq.%I m+        SET+            vt = clock_timestamp() + %L,+            read_ct = read_ct + 1,+            last_read_at = clock_timestamp()+        FROM cte+        WHERE m.msg_id = cte.msg_id+        RETURNING m.msg_id, m.read_ct, m.enqueued_at, m.last_read_at, m.vt, m.message, m.headers;+        $QUERY$,+        qtable, qtable, make_interval(secs => vt)+    );+    RETURN QUERY EXECUTE sql USING qty;+END;+$$ LANGUAGE plpgsql;++---- read+---- reads a number of messages from a queue, setting a visibility timeout on them+CREATE FUNCTION pgmq.read(+    queue_name TEXT,+    vt INTEGER,+    qty INTEGER,+    conditional JSONB+)+RETURNS SETOF pgmq.message_record AS $$+DECLARE+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    sql := FORMAT(+        $QUERY$+        WITH cte AS+        (+            SELECT msg_id+            FROM pgmq.%I+            WHERE vt <= clock_timestamp() AND message @> $2+            ORDER BY msg_id ASC+            LIMIT $1+            FOR UPDATE SKIP LOCKED+        )+        UPDATE pgmq.%I m+        SET+            vt = clock_timestamp() + %L,+            read_ct = read_ct + 1,+            last_read_at = clock_timestamp()+        FROM cte+        WHERE m.msg_id = cte.msg_id+        RETURNING m.msg_id, m.read_ct, m.enqueued_at, m.last_read_at, m.vt, m.message, m.headers;+        $QUERY$,+        qtable, qtable, make_interval(secs => vt)+    );+    RETURN QUERY EXECUTE sql USING qty, conditional;+END;+$$ LANGUAGE plpgsql;++---- read_with_poll+---- reads a number of messages from a queue, setting a visibility timeout on them+---- 5-arg version without conditional filter+CREATE FUNCTION pgmq.read_with_poll(+    queue_name TEXT,+    vt INTEGER,+    qty INTEGER,+    max_poll_seconds INTEGER DEFAULT 5,+    poll_interval_ms INTEGER DEFAULT 100+)+RETURNS SETOF pgmq.message_record AS $$+DECLARE+    r pgmq.message_record;+    stop_at TIMESTAMP;+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    stop_at := clock_timestamp() + make_interval(secs => max_poll_seconds);+    LOOP+      IF clock_timestamp() >= stop_at THEN+        RETURN;+      END IF;++      sql := FORMAT(+          $QUERY$+          WITH cte AS+          (+              SELECT msg_id+              FROM pgmq.%I+              WHERE vt <= clock_timestamp()+              ORDER BY msg_id ASC+              LIMIT $1+              FOR UPDATE SKIP LOCKED+          )+          UPDATE pgmq.%I m+          SET+              vt = clock_timestamp() + %L,+              read_ct = read_ct + 1,+              last_read_at = clock_timestamp()+          FROM cte+          WHERE m.msg_id = cte.msg_id+          RETURNING m.msg_id, m.read_ct, m.enqueued_at, m.last_read_at, m.vt, m.message, m.headers;+          $QUERY$,+          qtable, qtable, make_interval(secs => vt)+      );++      FOR r IN+        EXECUTE sql USING qty+      LOOP+        RETURN NEXT r;+      END LOOP;+      IF FOUND THEN+        RETURN;+      ELSE+        PERFORM pg_sleep(poll_interval_ms::numeric / 1000);+      END IF;+    END LOOP;+END;+$$ LANGUAGE plpgsql;++---- read_with_poll+---- 6-arg version with conditional as 6th parameter (matches pgmq-hasql expected order)+---- This is the overload used by pgmq-hasql: read_with_poll($1,$2,$3,$4,$5,$6)+CREATE FUNCTION pgmq.read_with_poll(+    queue_name TEXT,+    vt INTEGER,+    qty INTEGER,+    max_poll_seconds INTEGER,+    poll_interval_ms INTEGER,+    conditional JSONB+)+RETURNS SETOF pgmq.message_record AS $$+DECLARE+    r pgmq.message_record;+    stop_at TIMESTAMP;+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    stop_at := clock_timestamp() + make_interval(secs => max_poll_seconds);+    LOOP+      IF clock_timestamp() >= stop_at THEN+        RETURN;+      END IF;++      -- If conditional is NULL or empty, don't filter+      IF conditional IS NULL OR conditional = '{}'::jsonb THEN+          sql := FORMAT(+              $QUERY$+              WITH cte AS+              (+                  SELECT msg_id+                  FROM pgmq.%I+                  WHERE vt <= clock_timestamp()+                  ORDER BY msg_id ASC+                  LIMIT $1+                  FOR UPDATE SKIP LOCKED+              )+              UPDATE pgmq.%I m+              SET+                  vt = clock_timestamp() + %L,+                  read_ct = read_ct + 1,+                  last_read_at = clock_timestamp()+              FROM cte+              WHERE m.msg_id = cte.msg_id+              RETURNING m.msg_id, m.read_ct, m.enqueued_at, m.last_read_at, m.vt, m.message, m.headers;+              $QUERY$,+              qtable, qtable, make_interval(secs => vt)+          );++          FOR r IN+            EXECUTE sql USING qty+          LOOP+            RETURN NEXT r;+          END LOOP;+      ELSE+          sql := FORMAT(+              $QUERY$+              WITH cte AS+              (+                  SELECT msg_id+                  FROM pgmq.%I+                  WHERE vt <= clock_timestamp() AND message @> $2+                  ORDER BY msg_id ASC+                  LIMIT $1+                  FOR UPDATE SKIP LOCKED+              )+              UPDATE pgmq.%I m+              SET+                  vt = clock_timestamp() + %L,+                  read_ct = read_ct + 1,+                  last_read_at = clock_timestamp()+              FROM cte+              WHERE m.msg_id = cte.msg_id+              RETURNING m.msg_id, m.read_ct, m.enqueued_at, m.last_read_at, m.vt, m.message, m.headers;+              $QUERY$,+              qtable, qtable, make_interval(secs => vt)+          );++          FOR r IN+            EXECUTE sql USING qty, conditional+          LOOP+            RETURN NEXT r;+          END LOOP;+      END IF;++      IF FOUND THEN+        RETURN;+      ELSE+        PERFORM pg_sleep(poll_interval_ms::numeric / 1000);+      END IF;+    END LOOP;+END;+$$ LANGUAGE plpgsql;++---- read_with_poll+---- 6-arg version with conditional as 4th parameter (legacy order)+CREATE FUNCTION pgmq.read_with_poll(+    queue_name TEXT,+    vt INTEGER,+    qty INTEGER,+    conditional JSONB,+    max_poll_seconds INTEGER DEFAULT 5,+    poll_interval_ms INTEGER DEFAULT 100+)+RETURNS SETOF pgmq.message_record AS $$+DECLARE+    r pgmq.message_record;+    stop_at TIMESTAMP;+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    stop_at := clock_timestamp() + make_interval(secs => max_poll_seconds);+    LOOP+      IF clock_timestamp() >= stop_at THEN+        RETURN;+      END IF;++      sql := FORMAT(+          $QUERY$+          WITH cte AS+          (+              SELECT msg_id+              FROM pgmq.%I+              WHERE vt <= clock_timestamp() AND message @> $2+              ORDER BY msg_id ASC+              LIMIT $1+              FOR UPDATE SKIP LOCKED+          )+          UPDATE pgmq.%I m+          SET+              vt = clock_timestamp() + %L,+              read_ct = read_ct + 1,+              last_read_at = clock_timestamp()+          FROM cte+          WHERE m.msg_id = cte.msg_id+          RETURNING m.msg_id, m.read_ct, m.enqueued_at, m.last_read_at, m.vt, m.message, m.headers;+          $QUERY$,+          qtable, qtable, make_interval(secs => vt)+      );++      FOR r IN+        EXECUTE sql USING qty, conditional+      LOOP+        RETURN NEXT r;+      END LOOP;+      IF FOUND THEN+        RETURN;+      ELSE+        PERFORM pg_sleep(poll_interval_ms::numeric / 1000);+      END IF;+    END LOOP;+END;+$$ LANGUAGE plpgsql;++-- delete+-- deletes a message id from the queue permanently+CREATE FUNCTION pgmq.delete(+    queue_name TEXT,+    msg_id BIGINT+)+RETURNS BOOLEAN AS $$+DECLARE+    sql TEXT;+    result BIGINT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    sql := FORMAT(+        $QUERY$+        DELETE FROM pgmq.%I+        WHERE msg_id = $1+        RETURNING msg_id+        $QUERY$,+        qtable+    );+    EXECUTE sql USING msg_id INTO result;+    RETURN NOT (result IS NULL);+END;+$$ LANGUAGE plpgsql;++-- delete+-- deletes an array of message ids from the queue permanently+CREATE FUNCTION pgmq.delete(+    queue_name TEXT,+    msg_ids BIGINT[]+)+RETURNS SETOF BIGINT AS $$+DECLARE+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    sql := FORMAT(+        $QUERY$+        DELETE FROM pgmq.%I+        WHERE msg_id = ANY($1)+        RETURNING msg_id+        $QUERY$,+        qtable+    );+    RETURN QUERY EXECUTE sql USING msg_ids;+END;+$$ LANGUAGE plpgsql;++-- archive+-- removes a message from the queue, and sends it to the archive+-- Note: last_read_at is preserved during archival (pgmq 1.10.0+)+CREATE FUNCTION pgmq.archive(+    queue_name TEXT,+    msg_id BIGINT+)+RETURNS BOOLEAN AS $$+DECLARE+    sql TEXT;+    result BIGINT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+    atable TEXT := pgmq.format_table_name(queue_name, 'a');+BEGIN+    sql := FORMAT(+        $QUERY$+        WITH archived AS (+            DELETE FROM pgmq.%I+            WHERE msg_id = $1+            RETURNING msg_id, vt, read_ct, enqueued_at, last_read_at, message, headers+        )+        INSERT INTO pgmq.%I (msg_id, vt, read_ct, enqueued_at, last_read_at, message, headers)+        SELECT msg_id, vt, read_ct, enqueued_at, last_read_at, message, headers+        FROM archived+        RETURNING msg_id;+        $QUERY$,+        qtable, atable+    );+    EXECUTE sql USING msg_id INTO result;+    RETURN NOT (result IS NULL);+END;+$$ LANGUAGE plpgsql;++-- archive+-- removes an array of message ids from the queue, and sends it to the archive+CREATE FUNCTION pgmq.archive(+    queue_name TEXT,+    msg_ids BIGINT[]+)+RETURNS SETOF BIGINT AS $$+DECLARE+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+    atable TEXT := pgmq.format_table_name(queue_name, 'a');+BEGIN+    sql := FORMAT(+        $QUERY$+        WITH archived AS (+            DELETE FROM pgmq.%I+            WHERE msg_id = ANY($1)+            RETURNING msg_id, vt, read_ct, enqueued_at, last_read_at, message, headers+        )+        INSERT INTO pgmq.%I (msg_id, vt, read_ct, enqueued_at, last_read_at, message, headers)+        SELECT msg_id, vt, read_ct, enqueued_at, last_read_at, message, headers+        FROM archived+        RETURNING msg_id;+        $QUERY$,+        qtable, atable+    );+    RETURN QUERY EXECUTE sql USING msg_ids;+END;+$$ LANGUAGE plpgsql;++-- pop messages from queue (atomic read + delete)+-- qty parameter added in pgmq 1.7.0+-- Note: Returns message with last_read_at field (pgmq 1.10.0+)+CREATE FUNCTION pgmq.pop(+    queue_name TEXT,+    qty INTEGER DEFAULT 1+)+RETURNS SETOF pgmq.message_record AS $$+DECLARE+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    sql := FORMAT(+        $QUERY$+        WITH cte AS+            (+                SELECT msg_id+                FROM pgmq.%I+                WHERE vt <= clock_timestamp()+                ORDER BY msg_id ASC+                LIMIT $1+                FOR UPDATE SKIP LOCKED+            )+        DELETE from pgmq.%I+        WHERE msg_id IN (select msg_id from cte)+        RETURNING *;+        $QUERY$,+        qtable, qtable+    );+    RETURN QUERY EXECUTE sql USING qty;+END;+$$ LANGUAGE plpgsql;++-- Sets vt of a single message, returns it+-- Note: Returns message with last_read_at field (pgmq 1.10.0+)+CREATE FUNCTION pgmq.set_vt(+    queue_name TEXT,+    msg_id BIGINT,+    vt_offset INTEGER+)+RETURNS SETOF pgmq.message_record AS $$+DECLARE+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    sql := FORMAT(+        $QUERY$+        UPDATE pgmq.%I+        SET vt = (clock_timestamp() + %L)+        WHERE msg_id = %L+        RETURNING *;+        $QUERY$,+        qtable, make_interval(secs => vt_offset), msg_id+    );+    RETURN QUERY EXECUTE sql;+END;+$$ LANGUAGE plpgsql;++-- Batch set_vt for multiple messages (pgmq 1.8.0+)+CREATE FUNCTION pgmq.set_vt(+    queue_name TEXT,+    msg_ids BIGINT[],+    vt_offset INTEGER+)+RETURNS SETOF pgmq.message_record AS $$+DECLARE+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    sql := FORMAT(+        $QUERY$+        UPDATE pgmq.%I+        SET vt = (clock_timestamp() + %L)+        WHERE msg_id = ANY($1)+        RETURNING *;+        $QUERY$,+        qtable, make_interval(secs => vt_offset)+    );+    RETURN QUERY EXECUTE sql USING msg_ids;+END;+$$ LANGUAGE plpgsql;++-- Sets timestamp vt of a message, returns it (pgmq 1.10.0+)+CREATE FUNCTION pgmq.set_vt(queue_name TEXT, msg_id BIGINT, vt TIMESTAMP WITH TIME ZONE)+RETURNS SETOF pgmq.message_record AS $$+DECLARE+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    sql := FORMAT(+        $QUERY$+        UPDATE pgmq.%I+        SET vt = $1+        WHERE msg_id = $2+        RETURNING *;+        $QUERY$,+        qtable+    );+    RETURN QUERY EXECUTE sql USING vt, msg_id;+END;+$$ LANGUAGE plpgsql;++-- Sets timestamp vt of multiple messages, returns them (pgmq 1.10.0+)+CREATE FUNCTION pgmq.set_vt(+    queue_name TEXT,+    msg_ids BIGINT[],+    vt TIMESTAMP WITH TIME ZONE+)+RETURNS SETOF pgmq.message_record AS $$+DECLARE+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    sql := FORMAT(+        $QUERY$+        UPDATE pgmq.%I+        SET vt = $1+        WHERE msg_id = ANY($2)+        RETURNING *;+        $QUERY$,+        qtable+    );+    RETURN QUERY EXECUTE sql USING vt, msg_ids;+END;+$$ LANGUAGE plpgsql;

@@ -0,0 +1,83 @@+------------------------------------------------------------+-- Metrics functions+------------------------------------------------------------++CREATE FUNCTION pgmq.metrics(queue_name TEXT)+RETURNS pgmq.metrics_result AS $$+DECLARE+    result_row pgmq.metrics_result;+    query TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    query := FORMAT(+        $QUERY$+        WITH q_summary AS (+            SELECT+                count(*) as queue_length,+                EXTRACT(epoch FROM (NOW() - max(enqueued_at)))::int as newest_msg_age_sec,+                EXTRACT(epoch FROM (NOW() - min(enqueued_at)))::int as oldest_msg_age_sec,+                NOW() as scrape_time,+                count(*) FILTER (WHERE vt <= NOW()) AS queue_visible_length+            FROM pgmq.%I+        ),+        all_metrics AS (+            SELECT CASE+                WHEN is_partitioned THEN+                    %L || '_part_' || pgmq._get_partition_col(%L)+                ELSE+                    %L+            END as queue_name+            FROM pgmq.meta+            WHERE meta.queue_name = %L+        )+        SELECT+            m.queue_name,+            q_summary.queue_length,+            q_summary.newest_msg_age_sec,+            q_summary.oldest_msg_age_sec,+            pgmq._get_pg_stat_get_xact_tuples_inserted(%L)::bigint,+            q_summary.scrape_time,+            q_summary.queue_visible_length+        FROM q_summary+        CROSS JOIN all_metrics m+        $QUERY$,+        qtable, queue_name, queue_name, queue_name, queue_name, 'pgmq.' || qtable+    );+    EXECUTE query INTO result_row;+    RETURN result_row;+END;+$$ LANGUAGE plpgsql;++CREATE FUNCTION pgmq.metrics_all()+RETURNS SETOF pgmq.metrics_result AS $$+DECLARE+    row_name RECORD;+    result_row pgmq.metrics_result;+BEGIN+    FOR row_name IN SELECT queue_name FROM pgmq.meta LOOP+        result_row := pgmq.metrics(row_name.queue_name);+        RETURN NEXT result_row;+    END LOOP;+END;+$$ LANGUAGE plpgsql;++CREATE FUNCTION pgmq._get_pg_stat_get_xact_tuples_inserted(table_name TEXT)+RETURNS bigint AS $$+DECLARE+    result bigint;+BEGIN+    SELECT pg_stat_get_xact_tuples_inserted(oid)+    INTO result+    FROM pg_class+    WHERE relname = table_name;++    IF result IS NULL THEN+        SELECT pg_stat_get_xact_tuples_inserted(oid)+        INTO result+        FROM pg_class+        WHERE relname = SUBSTRING(table_name FROM 6);  -- Remove 'pgmq.' prefix (5 chars + 1 for the dot)+    END IF;++    RETURN COALESCE(result, 0);+END;+$$ LANGUAGE plpgsql;

@@ -0,0 +1,268 @@+------------------------------------------------------------+-- Partitioning support functions+------------------------------------------------------------++CREATE FUNCTION pgmq._get_pg_partman_schema()+RETURNS TEXT AS $$+    SELECT extnamespace::regnamespace::text+    FROM pg_extension+    WHERE extname = 'pg_partman';+$$ LANGUAGE sql STABLE;++CREATE FUNCTION pgmq._get_partition_col(queue_name TEXT)+RETURNS TEXT AS $$+DECLARE+    _partition_col TEXT;+    _table_name TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    SELECT part_config.partition_interval INTO _partition_col+    FROM pg_class+    JOIN pg_namespace ON pg_class.relnamespace = pg_namespace.oid+    JOIN (SELECT parent_table, partition_interval FROM pgmq._get_partman_config()) AS part_config+      ON part_config.parent_table = pg_namespace.nspname || '.' || pg_class.relname+    WHERE pg_class.relname = _table_name+      AND pg_namespace.nspname = 'pgmq';++    RETURN _partition_col;+END;+$$ LANGUAGE plpgsql;++CREATE FUNCTION pgmq._get_partman_config()+RETURNS TABLE (parent_table text, partition_interval text) AS $$+DECLARE+    schema_name TEXT;+BEGIN+    SELECT pgmq._get_pg_partman_schema() INTO schema_name;+    IF schema_name IS NULL THEN+        RETURN QUERY SELECT NULL::text, NULL::text WHERE FALSE;+        RETURN;+    END IF;+    RETURN QUERY EXECUTE FORMAT(+        $QUERY$+        SELECT parent_table, partition_interval+        FROM %I.part_config+        $QUERY$,+        schema_name+    );+END;+$$ LANGUAGE plpgsql;++-- partitioned, with partition interval+-- Note: last_read_at column added (pgmq 1.10.0+)+CREATE FUNCTION pgmq.create_partitioned(+  queue_name TEXT,+  partition_interval TEXT DEFAULT '10000',+  retention_interval TEXT DEFAULT '100000'+)+RETURNS void AS $$+DECLARE+  qtable TEXT := pgmq.format_table_name(queue_name, 'q');+  qtable_seq TEXT := qtable || '_msg_id_seq';+  atable TEXT := pgmq.format_table_name(queue_name, 'a');+  atable_seq TEXT := atable || '_msg_id_seq';+BEGIN+  PERFORM pgmq.validate_queue_name(queue_name);+  PERFORM pgmq.acquire_queue_lock(queue_name);++  EXECUTE FORMAT(+    $QUERY$+    CREATE TABLE IF NOT EXISTS pgmq.%I (+        msg_id BIGINT GENERATED ALWAYS AS IDENTITY,+        read_ct INT DEFAULT 0 NOT NULL,+        enqueued_at TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL,+        last_read_at TIMESTAMP WITH TIME ZONE,+        vt TIMESTAMP WITH TIME ZONE NOT NULL,+        message JSONB,+        headers JSONB+    ) PARTITION BY RANGE (msg_id)+    $QUERY$,+    qtable+  );++  EXECUTE FORMAT(+    $QUERY$+    CREATE TABLE IF NOT EXISTS pgmq.%I (+      msg_id BIGINT NOT NULL,+      read_ct INT DEFAULT 0 NOT NULL,+      enqueued_at TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL,+      last_read_at TIMESTAMP WITH TIME ZONE,+      archived_at TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL,+      vt TIMESTAMP WITH TIME ZONE NOT NULL,+      message JSONB,+      headers JSONB+    ) PARTITION BY RANGE (msg_id);+    $QUERY$,+    atable+  );++  IF NOT pgmq._extension_exists('pg_partman') THEN+    RAISE EXCEPTION 'pg_partman is required for partitioned queues';+  END IF;++  EXECUTE FORMAT(+    $QUERY$+    SELECT %I.create_parent(+        p_parent_table := 'pgmq.%I',+        p_control := 'msg_id',+        p_type := 'range',+        p_interval := %L,+        p_premake := 1+    )+    $QUERY$,+    pgmq._get_pg_partman_schema(), qtable, partition_interval+  );++  EXECUTE FORMAT(+    $QUERY$+    SELECT %I.create_parent(+        p_parent_table := 'pgmq.%I',+        p_control := 'msg_id',+        p_type := 'range',+        p_interval := %L,+        p_premake := 1+    )+    $QUERY$,+    pgmq._get_pg_partman_schema(), atable, partition_interval+  );++  EXECUTE FORMAT(+    $QUERY$+    UPDATE %I.part_config+    SET+        retention = %L,+        retention_keep_table = false,+        retention_keep_index = true,+        automatic_maintenance = 'on'+    WHERE parent_table = 'pgmq.%I';+    $QUERY$,+    pgmq._get_pg_partman_schema(), retention_interval, qtable+  );++  EXECUTE FORMAT(+    $QUERY$+    UPDATE %I.part_config+    SET+        retention = %L,+        retention_keep_table = false,+        retention_keep_index = true,+        automatic_maintenance = 'on'+    WHERE parent_table = 'pgmq.%I';+    $QUERY$,+    pgmq._get_pg_partman_schema(), retention_interval, atable+  );++  EXECUTE FORMAT(+    $QUERY$+    CREATE INDEX IF NOT EXISTS %I ON pgmq.%I (vt ASC);+    $QUERY$,+    qtable || '_vt_idx', qtable+  );++  EXECUTE FORMAT(+    $QUERY$+    CREATE INDEX IF NOT EXISTS %I ON pgmq.%I (archived_at);+    $QUERY$,+    'archived_at_idx_' || queue_name, atable+  );++  EXECUTE FORMAT(+    $QUERY$+    INSERT INTO pgmq.meta (queue_name, is_partitioned, is_unlogged)+    VALUES (%L, true, false)+    ON CONFLICT+    DO NOTHING;+    $QUERY$,+    queue_name+  );++END;+$$ LANGUAGE plpgsql;++-- convert_archive_partitioned+-- Note: last_read_at column added (pgmq 1.10.0+)+CREATE FUNCTION pgmq.convert_archive_partitioned(+  queue_name TEXT,+  partition_interval TEXT DEFAULT '10000',+  retention_interval TEXT DEFAULT '100000',+  leading_partition INT DEFAULT 10+)+RETURNS void AS $$+DECLARE+  atable TEXT := pgmq.format_table_name(queue_name, 'a');+BEGIN+  EXECUTE FORMAT(+    $QUERY$+    ALTER TABLE IF EXISTS pgmq.%I RENAME TO %I+    $QUERY$,+    atable, atable || '_old'+  );++  EXECUTE FORMAT(+    $QUERY$+    CREATE TABLE IF NOT EXISTS pgmq.%I (+      msg_id BIGINT NOT NULL,+      read_ct INT DEFAULT 0 NOT NULL,+      enqueued_at TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL,+      last_read_at TIMESTAMP WITH TIME ZONE,+      archived_at TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL,+      vt TIMESTAMP WITH TIME ZONE NOT NULL,+      message JSONB,+      headers JSONB+    ) PARTITION BY RANGE (msg_id);+    $QUERY$,+    atable+  );++  IF NOT pgmq._extension_exists('pg_partman') THEN+    RAISE EXCEPTION 'pg_partman is required for partitioned queues';+  END IF;++  EXECUTE FORMAT(+    $QUERY$+    SELECT %I.create_parent(+        p_parent_table := 'pgmq.%I',+        p_control := 'msg_id',+        p_type := 'range',+        p_interval := %L,+        p_premake := %L+    )+    $QUERY$,+    pgmq._get_pg_partman_schema(), atable, partition_interval, leading_partition+  );++  EXECUTE FORMAT(+    $QUERY$+    UPDATE %I.part_config+    SET+        retention = %L,+        retention_keep_table = false,+        retention_keep_index = true,+        automatic_maintenance = 'on'+    WHERE parent_table = 'pgmq.%I';+    $QUERY$,+    pgmq._get_pg_partman_schema(), retention_interval, atable+  );++  EXECUTE FORMAT(+    $QUERY$+    INSERT INTO pgmq.%I (msg_id, read_ct, enqueued_at, last_read_at, archived_at, vt, message, headers)+    SELECT msg_id, read_ct, enqueued_at, last_read_at, archived_at, vt, message, headers FROM pgmq.%I+    $QUERY$,+    atable, atable || '_old'+  );++  EXECUTE FORMAT(+    $QUERY$+    CREATE INDEX IF NOT EXISTS %I ON pgmq.%I (archived_at);+    $QUERY$,+    'archived_at_idx_' || queue_name, atable+  );++  EXECUTE FORMAT(+    $QUERY$+    DROP TABLE IF EXISTS pgmq.%I+    $QUERY$,+    atable || '_old'+  );+END;+$$ LANGUAGE plpgsql;

@@ -0,0 +1,167 @@+------------------------------------------------------------+-- Notification functions+------------------------------------------------------------++CREATE FUNCTION pgmq._should_notify(queue_name TEXT)+RETURNS BOOLEAN AS $$+DECLARE+    should_notify BOOLEAN;+    throttle_ms INTEGER;+    last_notified TIMESTAMP WITH TIME ZONE;+BEGIN+    -- Try to get throttle settings+    SELECT throttle_interval_ms, last_notified_at+    INTO throttle_ms, last_notified+    FROM pgmq.notify_insert_throttle+    WHERE pgmq.notify_insert_throttle.queue_name = _should_notify.queue_name+    FOR UPDATE SKIP LOCKED;++    -- If no row found, assume notifications are enabled without throttling+    IF throttle_ms IS NULL THEN+        RETURN TRUE;+    END IF;++    -- Check if enough time has passed since last notification+    IF clock_timestamp() >= last_notified + make_interval(secs => throttle_ms::numeric / 1000) THEN+        -- Update the last notification time+        UPDATE pgmq.notify_insert_throttle+        SET last_notified_at = clock_timestamp()+        WHERE pgmq.notify_insert_throttle.queue_name = _should_notify.queue_name;+        RETURN TRUE;+    END IF;++    RETURN FALSE;+END;+$$ LANGUAGE plpgsql;++CREATE FUNCTION pgmq._notify_on_insert()+RETURNS TRIGGER AS $$+BEGIN+    IF pgmq._should_notify(TG_ARGV[0]) THEN+        PERFORM pg_notify(TG_ARGV[0], NEW.msg_id::text);+    END IF;+    RETURN NEW;+END;+$$ LANGUAGE plpgsql;++-- Add trigger to queue table to notify on insert+CREATE FUNCTION pgmq.enable_queue_notifications(queue_name TEXT)+RETURNS void AS $$+#variable_conflict use_column+DECLARE+    qtable TEXT := pgmq.format_table_name(enable_queue_notifications.queue_name, 'q');+    channel TEXT := enable_queue_notifications.queue_name;+    trigger_name TEXT := 'notify_insert_' || qtable;+BEGIN+    -- Create trigger on the queue table+    EXECUTE FORMAT(+        $QUERY$+        CREATE TRIGGER %I+        AFTER INSERT ON pgmq.%I+        FOR EACH ROW+        EXECUTE FUNCTION pgmq._notify_on_insert(%L)+        $QUERY$,+        trigger_name, qtable, channel+    );++    -- Insert throttle tracking row if it doesn't exist+    INSERT INTO pgmq.notify_insert_throttle (queue_name, throttle_interval_ms, last_notified_at)+    VALUES (enable_queue_notifications.queue_name, 0, to_timestamp(0))+    ON CONFLICT (queue_name) DO NOTHING;+END;+$$ LANGUAGE plpgsql;++-- Remove trigger from queue table+CREATE FUNCTION pgmq.disable_queue_notifications(queue_name TEXT)+RETURNS void AS $$+DECLARE+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+    trigger_name TEXT := 'notify_insert_' || qtable;+BEGIN+    -- Drop trigger if it exists+    EXECUTE FORMAT(+        $QUERY$+        DROP TRIGGER IF EXISTS %I ON pgmq.%I+        $QUERY$,+        trigger_name, qtable+    );++    -- Remove throttle tracking row+    DELETE FROM pgmq.notify_insert_throttle+    WHERE pgmq.notify_insert_throttle.queue_name = disable_queue_notifications.queue_name;+END;+$$ LANGUAGE plpgsql;++-- Set throttle interval for queue notifications+CREATE FUNCTION pgmq.set_notification_throttle(queue_name TEXT, throttle_interval_ms INTEGER)+RETURNS void AS $$+#variable_conflict use_column+BEGIN+    INSERT INTO pgmq.notify_insert_throttle (queue_name, throttle_interval_ms, last_notified_at)+    VALUES (set_notification_throttle.queue_name, set_notification_throttle.throttle_interval_ms, to_timestamp(0))+    ON CONFLICT (queue_name) DO UPDATE+    SET throttle_interval_ms = EXCLUDED.throttle_interval_ms;+END;+$$ LANGUAGE plpgsql;++-- Enable insert notifications (upstream-compatible name)+CREATE FUNCTION pgmq.enable_notify_insert(queue_name TEXT, throttle_interval_ms INTEGER DEFAULT NULL)+RETURNS void AS $$+BEGIN+    PERFORM pgmq.enable_queue_notifications(queue_name);+    IF throttle_interval_ms IS NOT NULL THEN+        PERFORM pgmq.set_notification_throttle(queue_name, throttle_interval_ms);+    END IF;+END;+$$ LANGUAGE plpgsql;++-- Disable insert notifications (upstream-compatible name)+CREATE FUNCTION pgmq.disable_notify_insert(queue_name TEXT)+RETURNS void AS $$+BEGIN+    PERFORM pgmq.disable_queue_notifications(queue_name);+END;+$$ LANGUAGE plpgsql;++-- List all notification insert throttle settings (pgmq 1.11.0+)+CREATE FUNCTION pgmq.list_notify_insert_throttles()+    RETURNS TABLE+            (+                queue_name           text,+                throttle_interval_ms integer,+                last_notified_at     TIMESTAMP WITH TIME ZONE+            )+    LANGUAGE sql+    STABLE+AS+$$+    SELECT queue_name, throttle_interval_ms, last_notified_at+    FROM pgmq.notify_insert_throttle+    ORDER BY queue_name;+$$;++-- Update the throttle interval for a queue's insert notifications (pgmq 1.11.0+)+CREATE FUNCTION pgmq.update_notify_insert(queue_name text, throttle_interval_ms integer)+    RETURNS void+    LANGUAGE plpgsql+AS+$$+BEGIN+    IF throttle_interval_ms < 0 THEN+        RAISE EXCEPTION 'throttle_interval_ms must be non-negative, got: %', throttle_interval_ms;+    END IF;++    IF NOT EXISTS (SELECT 1 FROM pgmq.meta WHERE meta.queue_name = update_notify_insert.queue_name) THEN+        RAISE EXCEPTION 'Queue "%" does not exist. Create the queue first using pgmq.create()', queue_name;+    END IF;++    IF NOT EXISTS (SELECT 1 FROM pgmq.notify_insert_throttle WHERE notify_insert_throttle.queue_name = update_notify_insert.queue_name) THEN+        RAISE EXCEPTION 'Queue "%" does not have notify_insert enabled. Enable it first using pgmq.enable_notify_insert()', queue_name;+    END IF;++    UPDATE pgmq.notify_insert_throttle+    SET throttle_interval_ms = update_notify_insert.throttle_interval_ms,+        last_notified_at = to_timestamp(0)+    WHERE notify_insert_throttle.queue_name = update_notify_insert.queue_name;+END;+$$;

@@ -0,0 +1,571 @@+------------------------------------------------------------+-- FIFO read functions (for pgmq 1.8.0+ and 1.9.0+)+-- Note: last_read_at handling added in pgmq 1.10.0+------------------------------------------------------------++-- read_fifo: reads messages in strict FIFO order+-- This function ensures messages are read in strict FIFO order by:+-- 1. Ordering by msg_id ASC (not just using SKIP LOCKED)+-- 2. Only returning messages that don't skip any earlier pending messages+CREATE FUNCTION pgmq.read_fifo(+    queue_name TEXT,+    vt INTEGER,+    qty INTEGER+)+RETURNS SETOF pgmq.message_record AS $$+DECLARE+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    sql := FORMAT(+        $QUERY$+        WITH cte AS+        (+            SELECT msg_id, vt AS current_vt+            FROM pgmq.%I+            ORDER BY msg_id ASC+            LIMIT $1+            FOR UPDATE SKIP LOCKED+        ),+        eligible AS (+            SELECT c.msg_id+            FROM cte c+            WHERE c.msg_id = (+                SELECT MIN(msg_id)+                FROM pgmq.%I+                WHERE vt <= clock_timestamp()+            )+            OR NOT EXISTS (+                SELECT 1+                FROM pgmq.%I q+                WHERE q.msg_id < c.msg_id+                AND q.vt <= clock_timestamp()+                AND q.msg_id NOT IN (SELECT msg_id FROM cte)+            )+        )+        UPDATE pgmq.%I m+        SET+            vt = clock_timestamp() + %L,+            read_ct = read_ct + 1,+            last_read_at = clock_timestamp()+        FROM eligible e+        WHERE m.msg_id = e.msg_id+        AND m.vt <= clock_timestamp()+        RETURNING m.msg_id, m.read_ct, m.enqueued_at, m.last_read_at, m.vt, m.message, m.headers;+        $QUERY$,+        qtable, qtable, qtable, qtable, make_interval(secs => vt)+    );+    RETURN QUERY EXECUTE sql USING qty;+END;+$$ LANGUAGE plpgsql;++-- read_fifo with conditional filter+CREATE FUNCTION pgmq.read_fifo(+    queue_name TEXT,+    vt INTEGER,+    qty INTEGER,+    conditional JSONB+)+RETURNS SETOF pgmq.message_record AS $$+DECLARE+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    sql := FORMAT(+        $QUERY$+        WITH cte AS+        (+            SELECT msg_id, vt AS current_vt+            FROM pgmq.%I+            WHERE message @> $2+            ORDER BY msg_id ASC+            LIMIT $1+            FOR UPDATE SKIP LOCKED+        ),+        eligible AS (+            SELECT c.msg_id+            FROM cte c+            WHERE c.msg_id = (+                SELECT MIN(msg_id)+                FROM pgmq.%I+                WHERE vt <= clock_timestamp()+                AND message @> $2+            )+            OR NOT EXISTS (+                SELECT 1+                FROM pgmq.%I q+                WHERE q.msg_id < c.msg_id+                AND q.vt <= clock_timestamp()+                AND q.message @> $2+                AND q.msg_id NOT IN (SELECT msg_id FROM cte)+            )+        )+        UPDATE pgmq.%I m+        SET+            vt = clock_timestamp() + %L,+            read_ct = read_ct + 1,+            last_read_at = clock_timestamp()+        FROM eligible e+        WHERE m.msg_id = e.msg_id+        AND m.vt <= clock_timestamp()+        RETURNING m.msg_id, m.read_ct, m.enqueued_at, m.last_read_at, m.vt, m.message, m.headers;+        $QUERY$,+        qtable, qtable, qtable, qtable, make_interval(secs => vt)+    );+    RETURN QUERY EXECUTE sql USING qty, conditional;+END;+$$ LANGUAGE plpgsql;++-- read_fifo_with_poll: reads messages in strict FIFO order with polling+CREATE FUNCTION pgmq.read_fifo_with_poll(+    queue_name TEXT,+    vt INTEGER,+    qty INTEGER,+    max_poll_seconds INTEGER DEFAULT 5,+    poll_interval_ms INTEGER DEFAULT 100+)+RETURNS SETOF pgmq.message_record AS $$+DECLARE+    r pgmq.message_record;+    stop_at TIMESTAMP;+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    stop_at := clock_timestamp() + make_interval(secs => max_poll_seconds);+    LOOP+      IF clock_timestamp() >= stop_at THEN+        RETURN;+      END IF;++      sql := FORMAT(+          $QUERY$+          WITH cte AS+          (+              SELECT msg_id, vt AS current_vt+              FROM pgmq.%I+              ORDER BY msg_id ASC+              LIMIT $1+              FOR UPDATE SKIP LOCKED+          ),+          eligible AS (+              SELECT c.msg_id+              FROM cte c+              WHERE c.msg_id = (+                  SELECT MIN(msg_id)+                  FROM pgmq.%I+                  WHERE vt <= clock_timestamp()+              )+              OR NOT EXISTS (+                  SELECT 1+                  FROM pgmq.%I q+                  WHERE q.msg_id < c.msg_id+                  AND q.vt <= clock_timestamp()+                  AND q.msg_id NOT IN (SELECT msg_id FROM cte)+              )+          )+          UPDATE pgmq.%I m+          SET+              vt = clock_timestamp() + %L,+              read_ct = read_ct + 1,+              last_read_at = clock_timestamp()+          FROM eligible e+          WHERE m.msg_id = e.msg_id+          AND m.vt <= clock_timestamp()+          RETURNING m.msg_id, m.read_ct, m.enqueued_at, m.last_read_at, m.vt, m.message, m.headers;+          $QUERY$,+          qtable, qtable, qtable, qtable, make_interval(secs => vt)+      );++      FOR r IN+        EXECUTE sql USING qty+      LOOP+        RETURN NEXT r;+      END LOOP;+      IF FOUND THEN+        RETURN;+      ELSE+        PERFORM pg_sleep(poll_interval_ms::numeric / 1000);+      END IF;+    END LOOP;+END;+$$ LANGUAGE plpgsql;++-- read_fifo_with_poll with conditional filter+CREATE FUNCTION pgmq.read_fifo_with_poll(+    queue_name TEXT,+    vt INTEGER,+    qty INTEGER,+    conditional JSONB,+    max_poll_seconds INTEGER DEFAULT 5,+    poll_interval_ms INTEGER DEFAULT 100+)+RETURNS SETOF pgmq.message_record AS $$+DECLARE+    r pgmq.message_record;+    stop_at TIMESTAMP;+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    stop_at := clock_timestamp() + make_interval(secs => max_poll_seconds);+    LOOP+      IF clock_timestamp() >= stop_at THEN+        RETURN;+      END IF;++      sql := FORMAT(+          $QUERY$+          WITH cte AS+          (+              SELECT msg_id, vt AS current_vt+              FROM pgmq.%I+              WHERE message @> $2+              ORDER BY msg_id ASC+              LIMIT $1+              FOR UPDATE SKIP LOCKED+          ),+          eligible AS (+              SELECT c.msg_id+              FROM cte c+              WHERE c.msg_id = (+                  SELECT MIN(msg_id)+                  FROM pgmq.%I+                  WHERE vt <= clock_timestamp()+                  AND message @> $2+              )+              OR NOT EXISTS (+                  SELECT 1+                  FROM pgmq.%I q+                  WHERE q.msg_id < c.msg_id+                  AND q.vt <= clock_timestamp()+                  AND q.message @> $2+                  AND q.msg_id NOT IN (SELECT msg_id FROM cte)+              )+          )+          UPDATE pgmq.%I m+          SET+              vt = clock_timestamp() + %L,+              read_ct = read_ct + 1,+              last_read_at = clock_timestamp()+          FROM eligible e+          WHERE m.msg_id = e.msg_id+          AND m.vt <= clock_timestamp()+          RETURNING m.msg_id, m.read_ct, m.enqueued_at, m.last_read_at, m.vt, m.message, m.headers;+          $QUERY$,+          qtable, qtable, qtable, qtable, make_interval(secs => vt)+      );++      FOR r IN+        EXECUTE sql USING qty, conditional+      LOOP+        RETURN NEXT r;+      END LOOP;+      IF FOUND THEN+        RETURN;+      ELSE+        PERFORM pg_sleep(poll_interval_ms::numeric / 1000);+      END IF;+    END LOOP;+END;+$$ LANGUAGE plpgsql;++------------------------------------------------------------+-- FIFO index functions (pgmq 1.8.0+)+------------------------------------------------------------++-- _create_fifo_index_if_not_exists+-- internal function to create GIN index on headers for better FIFO performance+CREATE OR REPLACE FUNCTION pgmq._create_fifo_index_if_not_exists(queue_name TEXT)+RETURNS void AS $$+DECLARE+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+    index_name TEXT := qtable || '_fifo_idx';+BEGIN+    -- Create GIN index on headers for efficient FIFO key lookups+    EXECUTE FORMAT(+        $QUERY$+        CREATE INDEX IF NOT EXISTS %I ON pgmq.%I USING GIN (headers);+        $QUERY$,+        index_name, qtable+    );+END;+$$ LANGUAGE plpgsql;++-- create_fifo_index+-- creates a GIN index on the headers column to improve FIFO read performance+CREATE FUNCTION pgmq.create_fifo_index(queue_name TEXT)+RETURNS void AS $$+BEGIN+    PERFORM pgmq._create_fifo_index_if_not_exists(queue_name);+END;+$$ LANGUAGE plpgsql;++-- create_fifo_indexes_all+-- creates FIFO indexes on all existing queues+CREATE FUNCTION pgmq.create_fifo_indexes_all()+RETURNS void AS $$+DECLARE+    queue_record RECORD;+BEGIN+    FOR queue_record IN SELECT queue_name FROM pgmq.meta LOOP+        PERFORM pgmq.create_fifo_index(queue_record.queue_name);+    END LOOP;+END;+$$ LANGUAGE plpgsql;++------------------------------------------------------------+-- read_grouped functions (pgmq 1.8.0+)+-- AWS SQS FIFO-style batch retrieval behavior+------------------------------------------------------------++-- read_grouped+-- reads messages with AWS SQS FIFO-style batch retrieval behavior+-- attempts to return as many messages as possible from the same message group+CREATE FUNCTION pgmq.read_grouped(+    queue_name TEXT,+    vt INTEGER,+    qty INTEGER+)+RETURNS SETOF pgmq.message_record AS $$+DECLARE+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    sql := FORMAT(+        $QUERY$+        WITH fifo_groups AS (+            -- Find the minimum msg_id for each FIFO group that's ready to be processed+            SELECT+                COALESCE(headers->>'x-pgmq-group', '_default_fifo_group') as fifo_key,+                MIN(msg_id) as min_msg_id+            FROM pgmq.%I+            WHERE vt <= clock_timestamp()+            GROUP BY COALESCE(headers->>'x-pgmq-group', '_default_fifo_group')+        ),+        locked_groups AS (+            -- Lock the first available message in each FIFO group+            SELECT+                m.msg_id,+                fg.fifo_key+            FROM pgmq.%I m+            INNER JOIN fifo_groups fg ON+                COALESCE(m.headers->>'x-pgmq-group', '_default_fifo_group') = fg.fifo_key+                AND m.msg_id = fg.min_msg_id+            WHERE m.vt <= clock_timestamp()+            ORDER BY m.msg_id ASC+            FOR UPDATE SKIP LOCKED+        ),+        group_priorities AS (+            -- Assign priority to groups based on their oldest message+            SELECT+                fifo_key,+                msg_id as min_msg_id,+                ROW_NUMBER() OVER (ORDER BY msg_id) as group_priority+            FROM locked_groups+        ),+        available_messages AS (+            -- Get messages prioritizing filling batch from earliest group first+            SELECT+                m.msg_id,+                gp.group_priority,+                ROW_NUMBER() OVER (PARTITION BY gp.fifo_key ORDER BY m.msg_id) as msg_rank_in_group+            FROM pgmq.%I m+            INNER JOIN group_priorities gp ON+                COALESCE(m.headers->>'x-pgmq-group', '_default_fifo_group') = gp.fifo_key+            WHERE m.vt <= clock_timestamp()+            AND m.msg_id >= gp.min_msg_id  -- Only messages from min_msg_id onwards in each group+            AND NOT EXISTS (+                -- Ensure no earlier message in this group is currently being processed+                SELECT 1+                FROM pgmq.%I m2+                WHERE COALESCE(m2.headers->>'x-pgmq-group', '_default_fifo_group') =+                      COALESCE(m.headers->>'x-pgmq-group', '_default_fifo_group')+                AND m2.vt > clock_timestamp()+                AND m2.msg_id < m.msg_id+            )+        ),+        batch_selection AS (+            -- Select messages to fill batch, prioritizing earliest group+            SELECT+                msg_id,+                ROW_NUMBER() OVER (ORDER BY group_priority, msg_rank_in_group) as overall_rank+            FROM available_messages+        ),+        selected_messages AS (+            -- Limit to requested quantity+            SELECT msg_id+            FROM batch_selection+            WHERE overall_rank <= $1+            ORDER BY msg_id+            FOR UPDATE SKIP LOCKED+        )+        UPDATE pgmq.%I m+        SET+            vt = clock_timestamp() + %L,+            read_ct = read_ct + 1,+            last_read_at = clock_timestamp()+        FROM selected_messages sm+        WHERE m.msg_id = sm.msg_id+        RETURNING m.msg_id, m.read_ct, m.enqueued_at, m.last_read_at, m.vt, m.message, m.headers;+        $QUERY$,+        qtable, qtable, qtable, qtable, qtable, make_interval(secs => vt)+    );+    RETURN QUERY EXECUTE sql USING qty;+END;+$$ LANGUAGE plpgsql;++-- read_grouped_with_poll+-- reads messages with AWS SQS FIFO-style batch retrieval behavior, with polling support+CREATE FUNCTION pgmq.read_grouped_with_poll(+    queue_name TEXT,+    vt INTEGER,+    qty INTEGER,+    max_poll_seconds INTEGER DEFAULT 5,+    poll_interval_ms INTEGER DEFAULT 100+)+RETURNS SETOF pgmq.message_record AS $$+DECLARE+    r pgmq.message_record;+    stop_at TIMESTAMP;+BEGIN+    stop_at := clock_timestamp() + make_interval(secs => max_poll_seconds);+    LOOP+      IF (SELECT clock_timestamp() >= stop_at) THEN+        RETURN;+      END IF;++      FOR r IN+        SELECT * FROM pgmq.read_grouped(queue_name, vt, qty)+      LOOP+        RETURN NEXT r;+      END LOOP;+      IF FOUND THEN+        RETURN;+      ELSE+        PERFORM pg_sleep(poll_interval_ms::numeric / 1000);+      END IF;+    END LOOP;+END;+$$ LANGUAGE plpgsql;++------------------------------------------------------------+-- Round-robin FIFO functions (pgmq 1.9.0+)+------------------------------------------------------------++-- read_grouped_rr (round-robin)+-- reads messages while preserving FIFO within groups and interleaving across groups (layered round-robin)+CREATE FUNCTION pgmq.read_grouped_rr(+    queue_name TEXT,+    vt INTEGER,+    qty INTEGER+)+RETURNS SETOF pgmq.message_record AS $$+DECLARE+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    sql := FORMAT(+        $QUERY$+        WITH fifo_groups AS (+            -- Determine the absolute head (oldest) message id per FIFO group, regardless of visibility+            SELECT+                COALESCE(headers->>'x-pgmq-group', '_default_fifo_group') AS fifo_key,+                MIN(msg_id) AS head_msg_id+            FROM pgmq.%1$I+            GROUP BY COALESCE(headers->>'x-pgmq-group', '_default_fifo_group')+        ),+        eligible_groups AS (+            -- Only groups whose head message is currently visible+            -- Acquire a transaction-level advisory lock per group to prevent concurrent selection+            SELECT+                g.fifo_key,+                g.head_msg_id,+                ROW_NUMBER() OVER (ORDER BY g.head_msg_id) AS group_priority+            FROM fifo_groups g+            JOIN pgmq.%2$I h ON h.msg_id = g.head_msg_id+            WHERE h.vt <= clock_timestamp()+              AND pg_try_advisory_xact_lock(pg_catalog.hashtextextended(g.fifo_key, 0))+        ),+        available_messages AS (+            -- All currently visible messages starting at the head for each eligible group+            SELECT+                m.msg_id,+                eg.group_priority,+                ROW_NUMBER() OVER (+                    PARTITION BY eg.fifo_key+                    ORDER BY m.msg_id+                ) AS msg_rank_in_group+            FROM pgmq.%3$I m+            JOIN eligible_groups eg+              ON COALESCE(m.headers->>'x-pgmq-group', '_default_fifo_group') = eg.fifo_key+            WHERE m.vt <= clock_timestamp()+              AND m.msg_id >= eg.head_msg_id+        ),+        ordered_messages AS (+            -- Layered round-robin: take rank 1 of all groups by group_priority, then rank 2, etc.+            -- Assign selection order before locking+            SELECT msg_id, ROW_NUMBER() OVER (ORDER BY msg_rank_in_group, group_priority) as selection_order+            FROM available_messages+        ),+        selected_messages AS (+            -- Lock the messages in the correct order, preserving selection_order+            SELECT om.msg_id, om.selection_order+            FROM ordered_messages om+            JOIN pgmq.%4$I m ON m.msg_id = om.msg_id+            WHERE om.selection_order <= $1+            ORDER BY om.selection_order+            FOR UPDATE OF m SKIP LOCKED+        ),+        updated_messages AS (+            UPDATE pgmq.%5$I m+            SET+                vt = clock_timestamp() + %6$L,+                read_ct = read_ct + 1,+                last_read_at = clock_timestamp()+            FROM selected_messages sm+            WHERE m.msg_id = sm.msg_id+              AND m.vt <= clock_timestamp() -- final guard to avoid duplicate reads under races+            RETURNING m.msg_id, m.read_ct, m.enqueued_at, m.last_read_at, m.vt, m.message, m.headers, sm.selection_order+        )+        SELECT msg_id, read_ct, enqueued_at, last_read_at, vt, message, headers+        FROM updated_messages+        ORDER BY selection_order;+        $QUERY$,+        qtable, qtable, qtable, qtable, qtable, make_interval(secs => vt)+    );+    RETURN QUERY EXECUTE sql USING qty;+END;+$$ LANGUAGE plpgsql;++-- read_grouped_rr_with_poll+-- reads messages using round-robin layering across groups, with polling support+CREATE FUNCTION pgmq.read_grouped_rr_with_poll(+    queue_name TEXT,+    vt INTEGER,+    qty INTEGER,+    max_poll_seconds INTEGER DEFAULT 5,+    poll_interval_ms INTEGER DEFAULT 100+)+RETURNS SETOF pgmq.message_record AS $$+DECLARE+    r pgmq.message_record;+    stop_at TIMESTAMP;+BEGIN+    stop_at := clock_timestamp() + make_interval(secs => max_poll_seconds);+    LOOP+      IF (SELECT clock_timestamp() >= stop_at) THEN+        RETURN;+      END IF;++      FOR r IN+        SELECT * FROM pgmq.read_grouped_rr(queue_name, vt, qty)+      LOOP+        RETURN NEXT r;+      END LOOP;+      IF FOUND THEN+        RETURN;+      ELSE+        PERFORM pg_sleep(poll_interval_ms::numeric / 1000);+      END IF;+    END LOOP;+END;+$$ LANGUAGE plpgsql;

@@ -0,0 +1,395 @@+------------------------------------------------------------+-- Topic routing functions (pgmq 1.11.0+)+------------------------------------------------------------++CREATE OR REPLACE FUNCTION pgmq.validate_routing_key(routing_key text)+    RETURNS boolean+    LANGUAGE plpgsql+    IMMUTABLE+AS+$$+BEGIN+    IF routing_key IS NULL OR routing_key = '' THEN+        RAISE EXCEPTION 'routing_key cannot be NULL or empty';+    END IF;++    IF length(routing_key) > 255 THEN+        RAISE EXCEPTION 'routing_key length cannot exceed 255 characters, got % characters', length(routing_key);+    END IF;++    IF routing_key !~ '^[a-zA-Z0-9._-]+$' THEN+        RAISE EXCEPTION 'routing_key contains invalid characters. Only alphanumeric, dots, hyphens, and underscores are allowed. Got: %', routing_key;+    END IF;++    IF routing_key ~ '^\.' THEN+        RAISE EXCEPTION 'routing_key cannot start with a dot. Got: %', routing_key;+    END IF;++    IF routing_key ~ '\.$' THEN+        RAISE EXCEPTION 'routing_key cannot end with a dot. Got: %', routing_key;+    END IF;++    IF routing_key ~ '\.\.' THEN+        RAISE EXCEPTION 'routing_key cannot contain consecutive dots. Got: %', routing_key;+    END IF;++    RETURN true;+END;+$$;++CREATE OR REPLACE FUNCTION pgmq.validate_topic_pattern(pattern text)+    RETURNS boolean+    LANGUAGE plpgsql+    IMMUTABLE+AS+$$+BEGIN+    IF pattern IS NULL OR pattern = '' THEN+        RAISE EXCEPTION 'pattern cannot be NULL or empty';+    END IF;++    IF length(pattern) > 255 THEN+        RAISE EXCEPTION 'pattern length cannot exceed 255 characters, got % characters', length(pattern);+    END IF;++    IF pattern !~ '^[a-zA-Z0-9._\-*#]+$' THEN+        RAISE EXCEPTION 'pattern contains invalid characters. Only alphanumeric, dots, hyphens, underscores, *, and # are allowed. Got: %', pattern;+    END IF;++    IF pattern ~ '^\.' THEN+        RAISE EXCEPTION 'pattern cannot start with a dot. Got: %', pattern;+    END IF;++    IF pattern ~ '\.$' THEN+        RAISE EXCEPTION 'pattern cannot end with a dot. Got: %', pattern;+    END IF;++    IF pattern ~ '\.\.' THEN+        RAISE EXCEPTION 'pattern cannot contain consecutive dots. Got: %', pattern;+    END IF;++    IF pattern ~ '\*\*' THEN+        RAISE EXCEPTION 'pattern cannot contain consecutive stars (**). Use # for multi-segment matching. Got: %', pattern;+    END IF;++    IF pattern ~ '##' THEN+        RAISE EXCEPTION 'pattern cannot contain consecutive hashes (##). A single # already matches zero or more segments. Got: %', pattern;+    END IF;++    IF pattern ~ '\*#' OR pattern ~ '#\*' THEN+        RAISE EXCEPTION 'pattern cannot contain adjacent wildcards (*# or #*). Separate wildcards with dots. Got: %', pattern;+    END IF;++    RETURN true;+END;+$$;++CREATE OR REPLACE FUNCTION pgmq.bind_topic(pattern text, queue_name text)+    RETURNS void+    LANGUAGE plpgsql+AS+$$+BEGIN+    PERFORM pgmq.validate_topic_pattern(pattern);+    IF queue_name IS NULL OR queue_name = '' THEN+        RAISE EXCEPTION 'queue_name cannot be NULL or empty';+    END IF;++    IF NOT EXISTS (SELECT 1 FROM pgmq.meta WHERE meta.queue_name = bind_topic.queue_name) THEN+        RAISE EXCEPTION 'Queue "%" does not exist. Create the queue first using pgmq.create()', queue_name;+    END IF;++    INSERT INTO pgmq.topic_bindings (pattern, queue_name)+    VALUES (pattern, queue_name)+    ON CONFLICT ON CONSTRAINT topic_bindings_unique_pattern_queue DO NOTHING;+END;+$$;++CREATE OR REPLACE FUNCTION pgmq.unbind_topic(pattern text, queue_name text)+    RETURNS boolean+    LANGUAGE plpgsql+AS+$$+DECLARE+    rows_deleted integer;+BEGIN+    IF pattern IS NULL OR pattern = '' THEN+        RAISE EXCEPTION 'pattern cannot be NULL or empty';+    END IF;++    IF queue_name IS NULL OR queue_name = '' THEN+        RAISE EXCEPTION 'queue_name cannot be NULL or empty';+    END IF;++    DELETE+    FROM pgmq.topic_bindings+    WHERE topic_bindings.pattern = unbind_topic.pattern+      AND topic_bindings.queue_name = unbind_topic.queue_name;++    GET DIAGNOSTICS rows_deleted = ROW_COUNT;++    IF rows_deleted > 0 THEN+        RETURN true;+    ELSE+        RETURN false;+    END IF;+END;+$$;++CREATE OR REPLACE FUNCTION pgmq.test_routing(routing_key text)+    RETURNS TABLE+            (+                pattern        text,+                queue_name     text,+                compiled_regex text+            )+    LANGUAGE plpgsql+    STABLE+AS+$$+BEGIN+    PERFORM pgmq.validate_routing_key(routing_key);+    RETURN QUERY+        SELECT b.pattern,+               b.queue_name,+               b.compiled_regex+        FROM pgmq.topic_bindings b+        WHERE routing_key ~ b.compiled_regex+        ORDER BY b.pattern;+END;+$$;++CREATE OR REPLACE FUNCTION pgmq.send_topic(routing_key text, msg jsonb, headers jsonb, delay integer)+    RETURNS integer+    LANGUAGE plpgsql+    VOLATILE+AS+$$+DECLARE+    b             RECORD;+    matched_count integer := 0;+BEGIN+    PERFORM pgmq.validate_routing_key(routing_key);++    IF msg IS NULL THEN+        RAISE EXCEPTION 'msg cannot be NULL';+    END IF;++    IF delay < 0 THEN+        RAISE EXCEPTION 'delay cannot be negative, got: %', delay;+    END IF;++    FOR b IN+        SELECT DISTINCT tb.queue_name+        FROM pgmq.topic_bindings tb+        WHERE routing_key ~ tb.compiled_regex+        ORDER BY tb.queue_name+        LOOP+            PERFORM pgmq.send(b.queue_name, msg, headers, delay);+            matched_count := matched_count + 1;+        END LOOP;++    RETURN matched_count;+END;+$$;++CREATE OR REPLACE FUNCTION pgmq.send_topic(routing_key text, msg jsonb)+    RETURNS integer+    LANGUAGE plpgsql+    VOLATILE+AS+$$+BEGIN+    RETURN pgmq.send_topic(routing_key, msg, NULL, 0);+END;+$$;++CREATE OR REPLACE FUNCTION pgmq.send_topic(routing_key text, msg jsonb, delay integer)+    RETURNS integer+    LANGUAGE plpgsql+    VOLATILE+AS+$$+BEGIN+    RETURN pgmq.send_topic(routing_key, msg, NULL, delay);+END;+$$;++CREATE OR REPLACE FUNCTION pgmq.list_topic_bindings()+    RETURNS TABLE+            (+                pattern        text,+                queue_name     text,+                bound_at       TIMESTAMP WITH TIME ZONE,+                compiled_regex text+            )+    LANGUAGE sql+    STABLE+AS+$$+    SELECT pattern, queue_name, bound_at, compiled_regex+    FROM pgmq.topic_bindings+    ORDER BY bound_at DESC, pattern, queue_name;+$$;++CREATE OR REPLACE FUNCTION pgmq.list_topic_bindings(queue_name text)+    RETURNS TABLE+            (+                pattern        text,+                queue_name     text,+                bound_at       TIMESTAMP WITH TIME ZONE,+                compiled_regex text+            )+    LANGUAGE sql+    STABLE+AS+$$+    SELECT pattern, tb.queue_name, bound_at, compiled_regex+    FROM pgmq.topic_bindings tb+    WHERE tb.queue_name = list_topic_bindings.queue_name+    ORDER BY bound_at DESC, pattern;+$$;++-- _validate_batch_params: Private function to validate batch parameters+CREATE OR REPLACE FUNCTION pgmq._validate_batch_params(+    msgs JSONB[],+    headers JSONB[]+) RETURNS void AS $$+BEGIN+    IF msgs IS NULL OR array_length(msgs, 1) IS NULL THEN+        RAISE EXCEPTION 'msgs cannot be NULL or empty';+    END IF;++    IF headers IS NOT NULL AND COALESCE(array_length(headers, 1), 0) != COALESCE(array_length(msgs, 1), 0) THEN+        RAISE EXCEPTION 'headers array length (%) must match msgs array length (%)',+            COALESCE(array_length(headers, 1), 0), COALESCE(array_length(msgs, 1), 0);+    END IF;+END;+$$ LANGUAGE plpgsql;++-- _send_batch: Private function that performs the actual batch insert without validation+CREATE OR REPLACE FUNCTION pgmq._send_batch(+    queue_name TEXT,+    msgs JSONB[],+    headers JSONB[],+    delay TIMESTAMP WITH TIME ZONE+) RETURNS SETOF BIGINT AS $$+DECLARE+    sql TEXT;+    qtable TEXT := pgmq.format_table_name(queue_name, 'q');+BEGIN+    sql := FORMAT(+            $QUERY$+        INSERT INTO pgmq.%I (vt, message, headers)+        SELECT $2, unnest($1), unnest(coalesce($3, ARRAY[]::jsonb[]))+        RETURNING msg_id;+        $QUERY$,+            qtable+           );+    RETURN QUERY EXECUTE sql USING msgs, delay, headers;+END;+$$ LANGUAGE plpgsql;++-- send_batch_topic: Base implementation with TIMESTAMP WITH TIME ZONE delay+CREATE OR REPLACE FUNCTION pgmq.send_batch_topic(+    routing_key text,+    msgs jsonb[],+    headers jsonb[],+    delay TIMESTAMP WITH TIME ZONE+)+    RETURNS TABLE(queue_name text, msg_id bigint)+    LANGUAGE plpgsql+    VOLATILE+AS+$$+DECLARE+    b RECORD;+BEGIN+    PERFORM pgmq.validate_routing_key(routing_key);++    PERFORM pgmq._validate_batch_params(msgs, headers);++    FOR b IN+        SELECT DISTINCT tb.queue_name+        FROM pgmq.topic_bindings tb+        WHERE routing_key ~ tb.compiled_regex+        ORDER BY tb.queue_name+        LOOP+            RETURN QUERY+            SELECT b.queue_name, batch_result.msg_id+            FROM pgmq._send_batch(b.queue_name, msgs, headers, delay) AS batch_result(msg_id);+        END LOOP;++    RETURN;+END;+$$;++-- send_batch_topic: 2 args (routing_key, msgs)+CREATE OR REPLACE FUNCTION pgmq.send_batch_topic(+    routing_key text,+    msgs jsonb[]+)+    RETURNS TABLE(queue_name text, msg_id bigint)+    LANGUAGE sql+    VOLATILE+AS+$$+    SELECT * FROM pgmq.send_batch_topic(routing_key, msgs, NULL, clock_timestamp());+$$;++-- send_batch_topic: 3 args with headers+CREATE OR REPLACE FUNCTION pgmq.send_batch_topic(+    routing_key text,+    msgs jsonb[],+    headers jsonb[]+)+    RETURNS TABLE(queue_name text, msg_id bigint)+    LANGUAGE sql+    VOLATILE+AS+$$+    SELECT * FROM pgmq.send_batch_topic(routing_key, msgs, headers, clock_timestamp());+$$;++-- send_batch_topic: 3 args with integer delay+CREATE OR REPLACE FUNCTION pgmq.send_batch_topic(+    routing_key text,+    msgs jsonb[],+    delay integer+)+    RETURNS TABLE(queue_name text, msg_id bigint)+    LANGUAGE sql+    VOLATILE+AS+$$+    SELECT * FROM pgmq.send_batch_topic(routing_key, msgs, NULL, clock_timestamp() + make_interval(secs => delay));+$$;++-- send_batch_topic: 3 args with timestamp delay+CREATE OR REPLACE FUNCTION pgmq.send_batch_topic(+    routing_key text,+    msgs jsonb[],+    delay TIMESTAMP WITH TIME ZONE+)+    RETURNS TABLE(queue_name text, msg_id bigint)+    LANGUAGE sql+    VOLATILE+AS+$$+    SELECT * FROM pgmq.send_batch_topic(routing_key, msgs, NULL, delay);+$$;++-- send_batch_topic: 4 args with integer delay+CREATE OR REPLACE FUNCTION pgmq.send_batch_topic(+    routing_key text,+    msgs jsonb[],+    headers jsonb[],+    delay integer+)+    RETURNS TABLE(queue_name text, msg_id bigint)+    LANGUAGE sql+    VOLATILE+AS+$$+    SELECT * FROM pgmq.send_batch_topic(routing_key, msgs, headers, clock_timestamp() + make_interval(secs => delay));+$$;

@@ -1,6 +1,6 @@ cabal-version:      3.4 name:               pgmq-migration-version:            0.1.0.0+version:            0.1.1.0 synopsis:           PGMQ schema migrations without PostgreSQL extension description:   Installs the PGMQ schema into PostgreSQL without requiring the pgmq extension.@@ -10,7 +10,7 @@ license:            MIT license-file:       LICENSE author:             Nadeem Bitar-maintainer:         nadeem@topagentnetwork.com+maintainer:         Nadeem Bitar category:           Database build-type:         Simple extra-doc-files:    CHANGELOG.md@@ -29,6 +29,8 @@     Pgmq.Migration     Pgmq.Migration.Migrations     Pgmq.Migration.Migrations.V1_10_0+    Pgmq.Migration.Migrations.V1_10_0_to_V1_11_0+    Pgmq.Migration.Migrations.V1_11_0     Pgmq.Migration.Migrations.V1_9_0     Pgmq.Migration.Migrations.V1_9_0_to_V1_10_0     Pgmq.Migration.Sessions

@@ -21,7 +21,7 @@ -- @ -- import Pgmq.Migration.Migrations (upgradeMigrations) ----- -- Apply only upgrade migrations (v1.9.0 -> v1.10.0, etc.)+-- -- Apply only upgrade migrations (v1.9.0 -> v1.10.0 -> v1.11.0, etc.) -- runMigrations conn upgradeMigrations -- @ --@@ -36,23 +36,24 @@ where  import Hasql.Migration (MigrationCommand (..))-import Pgmq.Migration.Migrations.V1_10_0 qualified as V1_10_0+import Pgmq.Migration.Migrations.V1_10_0_to_V1_11_0 qualified as V1_10_0_to_V1_11_0+import Pgmq.Migration.Migrations.V1_11_0 qualified as V1_11_0 import Pgmq.Migration.Migrations.V1_9_0_to_V1_10_0 qualified as V1_9_0_to_V1_10_0  -- | Current version of the PGMQ schema version :: String-version = V1_10_0.version+version = V1_11_0.version  -- | Full migration commands for the current version. ----- Use this for fresh installations. Applies the complete v1.10.0 schema.+-- Use this for fresh installations. Applies the complete v1.11.0 schema. migrations :: [MigrationCommand]-migrations = V1_10_0.migrations+migrations = V1_11_0.migrations  -- | Incremental upgrade migrations. -- -- Use this to upgrade existing installations that were set up via this package.--- Contains only the delta migrations (e.g., v1.9.0 -> v1.10.0).+-- Contains only the delta migrations (e.g., v1.9.0 -> v1.10.0 -> v1.11.0). -- -- The hasql-migration library will skip migrations that have already been applied, -- so this is safe to run on any database regardless of its current version.@@ -61,3 +62,4 @@   [ MigrationInitialization   ]     ++ V1_9_0_to_V1_10_0.migrations+    ++ V1_10_0_to_V1_11_0.migrations

@@ -0,0 +1,22 @@+{-# LANGUAGE TemplateHaskell #-}++-- | PGMQ v1.10.0 to v1.11.0 migration+-- Changes: AMQP-like topic-based routing, notification management functions,+-- batch validation helpers, read_grouped fix+module Pgmq.Migration.Migrations.V1_10_0_to_V1_11_0+  ( migrations,+  )+where++import Data.ByteString (ByteString)+import Data.FileEmbed (embedFile)+import Hasql.Migration (MigrationCommand (..))++-- | Migration commands to upgrade from v1.10.0 to v1.11.0+migrations :: [MigrationCommand]+migrations =+  [ MigrationScript "pgmq_v1.10.0_to_v1.11.0_upgrade" upgrade+  ]++upgrade :: ByteString+upgrade = $(embedFile "database/migrations/v1.10.0_to_v1.11.0.sql")

@@ -0,0 +1,67 @@+{-# LANGUAGE TemplateHaskell #-}++-- | PGMQ v1.11.0 migrations+-- Main change: AMQP-like topic-based routing, notification management functions+module Pgmq.Migration.Migrations.V1_11_0+  ( version,+    migrations,+  )+where++import Data.ByteString (ByteString)+import Data.FileEmbed (embedFile)+import Hasql.Migration (MigrationCommand (..))++-- | Version string for this migration set+version :: String+version = "v1.11.0"++-- | All migration commands for v1.11.0+migrations :: [MigrationCommand]+migrations =+  [ MigrationInitialization,+    MigrationScript "pgmq_v1.11.0_01_schema" schema,+    MigrationScript "pgmq_v1.11.0_02_tables" tables,+    MigrationScript "pgmq_v1.11.0_03_types" types,+    MigrationScript "pgmq_v1.11.0_04_core_functions" coreFunctions,+    MigrationScript "pgmq_v1.11.0_05_queue_management" queueManagement,+    MigrationScript "pgmq_v1.11.0_06_message_ops" messageOps,+    MigrationScript "pgmq_v1.11.0_07_metrics" metrics,+    MigrationScript "pgmq_v1.11.0_08_partitioning" partitioning,+    MigrationScript "pgmq_v1.11.0_09_notifications" notifications,+    MigrationScript "pgmq_v1.11.0_10_fifo" fifo,+    MigrationScript "pgmq_v1.11.0_11_topics" topics+  ]++schema :: ByteString+schema = $(embedFile "database/v1.11.0/01_schema.sql")++tables :: ByteString+tables = $(embedFile "database/v1.11.0/02_tables.sql")++types :: ByteString+types = $(embedFile "database/v1.11.0/03_types.sql")++coreFunctions :: ByteString+coreFunctions = $(embedFile "database/v1.11.0/04_core_functions.sql")++queueManagement :: ByteString+queueManagement = $(embedFile "database/v1.11.0/05_queue_management.sql")++messageOps :: ByteString+messageOps = $(embedFile "database/v1.11.0/06_message_ops.sql")++metrics :: ByteString+metrics = $(embedFile "database/v1.11.0/07_metrics.sql")++partitioning :: ByteString+partitioning = $(embedFile "database/v1.11.0/08_partitioning.sql")++notifications :: ByteString+notifications = $(embedFile "database/v1.11.0/09_notifications.sql")++fifo :: ByteString+fifo = $(embedFile "database/v1.11.0/10_fifo.sql")++topics :: ByteString+topics = $(embedFile "database/v1.11.0/11_topics.sql")

@@ -45,7 +45,7 @@         [ testCase "migrate on fresh database succeeds" (testMigrateFresh conn),           testCase "migrate is idempotent" (testMigrateIdempotent conn),           testCase "getMigrations returns applied migrations" (testGetMigrations conn),-          testCase "version is v1.10.0" testVersion+          testCase "version is v1.11.0" testVersion         ],       testGroup         "upgrade"@@ -128,7 +128,7 @@  testVersion :: IO () testVersion =-  Migration.version @?= "v1.10.0"+  Migration.version @?= "v1.11.0"  -- | Helper to run a list of migrations runMigrations :: [MigrationCommand] -> Session (Either MigrationError ())