diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+# v1.0.0.0
+
+## Non-breaking
+
+- Support for the `resStatus` field of `Pqi.Adapter`
+
 # v0.2.0.5
 
 ## Fixes
diff --git a/pqi-native.cabal b/pqi-native.cabal
--- a/pqi-native.cabal
+++ b/pqi-native.cabal
@@ -1,6 +1,6 @@
 cabal-version: 3.0
 name: pqi-native
-version: 0.2.0.5
+version: 1.0.0.0
 category: Database, PostgreSQL
 synopsis: Native (pure-Haskell) adapter for pqi
 description:
@@ -139,7 +139,7 @@
     bytestring >=0.10 && <0.13,
     containers >=0.6 && <0.9,
     crypton >=0.34 && <2,
-    pqi ^>=0.1,
+    pqi ^>=1.0,
     pqi-native:transport,
     ptr-peeker ^>=0.2,
     ptr-poker ^>=0.1.3,
@@ -153,5 +153,5 @@
   build-depends:
     base >=4.11 && <5,
     hspec >=2.11 && <2.12,
-    pqi-conformance ^>=0.1.1,
+    pqi-conformance ^>=1.0,
     pqi-native,
diff --git a/src/library/Pqi/Native.hs b/src/library/Pqi/Native.hs
--- a/src/library/Pqi/Native.hs
+++ b/src/library/Pqi/Native.hs
@@ -39,8 +39,25 @@
       Pqi.connectdb = \conninfo -> mkConnection <$> Connection.establish conninfo,
       Pqi.connectStart = \conninfo -> mkConnection <$> Connection.establish conninfo,
       Pqi.newNullConnection = mkConnection <$> Connection.nullConnection,
-      Pqi.unescapeBytea = \input -> pure (Just (UnescapeBytea.unescapeBytea input))
+      Pqi.unescapeBytea = \input -> pure (Just (UnescapeBytea.unescapeBytea input)),
+      Pqi.resStatus = pure . resStatus
     }
+
+-- | The string libpq's @PQresStatus@ describes each status code with.
+resStatus :: Pqi.ExecStatus -> ByteString
+resStatus = \case
+  Pqi.EmptyQuery -> "PGRES_EMPTY_QUERY"
+  Pqi.CommandOk -> "PGRES_COMMAND_OK"
+  Pqi.TuplesOk -> "PGRES_TUPLES_OK"
+  Pqi.CopyOut -> "PGRES_COPY_OUT"
+  Pqi.CopyIn -> "PGRES_COPY_IN"
+  Pqi.CopyBoth -> "PGRES_COPY_BOTH"
+  Pqi.BadResponse -> "PGRES_BAD_RESPONSE"
+  Pqi.NonfatalError -> "PGRES_NONFATAL_ERROR"
+  Pqi.FatalError -> "PGRES_FATAL_ERROR"
+  Pqi.SingleTuple -> "PGRES_SINGLE_TUPLE"
+  Pqi.PipelineSync -> "PGRES_PIPELINE_SYNC"
+  Pqi.PipelineAbort -> "PGRES_PIPELINE_ABORTED"
 
 -- | Build a 'Pqi.Connection' whose fields close over the given native
 -- connection.