From 5e7b2d04d99eb6e56ab219d17bb2903de81cd6e5 Mon Sep 17 00:00:00 2001
From: reshke <reshke@double.cloud>
Date: Mon, 11 Aug 2025 13:14:14 +0000
Subject: [PATCH v1] Add tab completion for ALTER TABLE xxx ALTER CONTRAINT ...
 ENFORCED/INHERIT

---
 src/bin/psql/tab-complete.in.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/bin/psql/tab-complete.in.c b/src/bin/psql/tab-complete.in.c
index 1f2ca946fc5..5cc8e73feb1 100644
--- a/src/bin/psql/tab-complete.in.c
+++ b/src/bin/psql/tab-complete.in.c
@@ -2882,6 +2882,16 @@ match_previous_words(int pattern_id,
 		set_completion_reference(prev3_wd);
 		COMPLETE_WITH_SCHEMA_QUERY(Query_for_constraint_of_table);
 	}
+	/* if we have ALTER TABLE <sth> ALTER|DROP|RENAME CONSTRAINT <constraint>, provide [NOT] ENFORCED or [NO] INHERIT  */
+	else if (Matches("ALTER", "TABLE", MatchAny, "ALTER|DROP|RENAME", "CONSTRAINT", MatchAny))
+	{
+		COMPLETE_WITH("ENFORCED", "NOT ENFORCED", "NO INHERIT", "INHERIT");
+	}
+	/* if we have ALTER TABLE <sth> ALTER|DROP|RENAME CONSTRAINT <constraint> NO, provide INHERIT  */
+	else if (Matches("ALTER", "TABLE", MatchAny, "ALTER|DROP|RENAME", "CONSTRAINT", MatchAny, "NO"))
+	{
+		COMPLETE_WITH("INHERIT");
+	}
 	/* ALTER TABLE <sth> VALIDATE CONSTRAINT <non-validated constraint> */
 	else if (Matches("ALTER", "TABLE", MatchAny, "VALIDATE", "CONSTRAINT"))
 	{
-- 
2.43.0