Merge #150593

150593: sql: remove citext from versions previous to 25.3 r=paulniziolek a=paulniziolek

### sql: remove citext from versions previous to 25.3

This PR adds CITEXT as an unsupported type for older versions. CITEXT is only supported on versions 25.3 and up.

Fixes: None
Epic: None
Release note: None

Co-authored-by: Paul Niziolek <[email protected]>

Author: craig[bot]

pkg/sql/logictest/testdata/logic_test/citext

@@ -1,3 +1,5 @@
+# LogicTest: !local-mixed-25.2
+
 query T
 SELECT pg_typeof(CITEXT 'Foo')
 ----

pkg/sql/logictest/tests/local-mixed-25.2/generated_test.go

@@ -52,5 +52,11 @@ func (tc *unsupportedTypeChecker) CheckType(ctx context.Context, typ *types.T) e
 			"%s not supported until version 25.2", typ.String(),
 		)
 	}
+	if (typ.Oid() == oidext.T_citext || typ.Oid() == oidext.T__citext) &&
+		!tc.version.IsActive(ctx, clusterversion.V25_3) {
+		return pgerror.Newf(pgcode.FeatureNotSupported,
+			"%s not supported until version 25.3", typ.String(),
+		)
+	}
 	return nil
 }