Alexander Lakhin <exclus...@gmail.com> writes:

> Hi Alexander,
>
> 18.04.2024 13:35, Alexander Korotkov wrote:
>>
>> The revised patchset is attached.
>> 1) I've split the fix for the CommandCounterIncrement() issue and the
>> fix for relation persistence issue into a separate patch.
>> 2) I've validated that the lock on the new partition is held in
>> createPartitionTable() after ProcessUtility() as pointed out by
>> Robert.  So, no need to place the lock again.
>> 3) Added fix for problematic error message as a separate patch [1].
>> 4) Added rename "salemans" => "salesmen" for tests as a separate patch.
>>
>> I think these fixes are reaching committable shape, but I'd like
>> someone to check it before I push.
>
> I think the feature implementation should also provide tab completion for
> SPLIT/MERGE.
> (ALTER TABLE t S<Tab>
> fills in only SET now.)

Here's a patch for that.  One thing I noticed while testing it was that
the tab completeion for partitions (Query_for_partition_of_table) shows
all the schemas in the DB, even ones that don't contain any partitions
of the table being altered.

- ilmari

>From 26db03b7a7675aa7dbff1f18ee084296caa1e181 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dagfinn=20Ilmari=20Manns=C3=A5ker?= <ilm...@ilmari.org>
Date: Thu, 18 Apr 2024 17:47:22 +0100
Subject: [PATCH] =?UTF-8?q?Add=20tab=20completion=20for=20ALTER=20TABLE=20?=
 =?UTF-8?q?=E2=80=A6=20SPLIT|MERGE=20PARTITION(S)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/bin/psql/tab-complete.c | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/bin/psql/tab-complete.c b/src/bin/psql/tab-complete.c
index 6fee3160f0..97cd5d9f62 100644
--- a/src/bin/psql/tab-complete.c
+++ b/src/bin/psql/tab-complete.c
@@ -2353,6 +2353,7 @@ psql_completion(const char *text, int start, int end)
 					  "OWNER TO", "SET", "VALIDATE CONSTRAINT",
 					  "REPLICA IDENTITY", "ATTACH PARTITION",
 					  "DETACH PARTITION", "FORCE ROW LEVEL SECURITY",
+					  "SPLIT PARTITION", "MERGE PARTITIONS (",
 					  "OF", "NOT OF");
 	/* ALTER TABLE xxx ADD */
 	else if (Matches("ALTER", "TABLE", MatchAny, "ADD"))
@@ -2609,10 +2610,10 @@ psql_completion(const char *text, int start, int end)
 		COMPLETE_WITH("FROM (", "IN (", "WITH (");
 
 	/*
-	 * If we have ALTER TABLE <foo> DETACH PARTITION, provide a list of
+	 * If we have ALTER TABLE <foo> DETACH|SPLIT PARTITION, provide a list of
 	 * partitions of <foo>.
 	 */
-	else if (Matches("ALTER", "TABLE", MatchAny, "DETACH", "PARTITION"))
+	else if (Matches("ALTER", "TABLE", MatchAny, "DETACH|SPLIT", "PARTITION"))
 	{
 		set_completion_reference(prev3_wd);
 		COMPLETE_WITH_SCHEMA_QUERY(Query_for_partition_of_table);
@@ -2620,6 +2621,19 @@ psql_completion(const char *text, int start, int end)
 	else if (Matches("ALTER", "TABLE", MatchAny, "DETACH", "PARTITION", MatchAny))
 		COMPLETE_WITH("CONCURRENTLY", "FINALIZE");
 
+	/* ALTER TABLE <name> SPLIT PARTITION <name> */
+	else if (Matches("ALTER", "TABLE", MatchAny, "SPLIT", "PARTITION", MatchAny))
+		COMPLETE_WITH("INTO ( PARTITION");
+
+	/* ALTER TABLE <name> MERGE PARTITIONS ( */
+	else if (Matches("ALTER", "TABLE", MatchAny, "MERGE", "PARTITIONS", "("))
+	{
+		set_completion_reference(prev4_wd);
+		COMPLETE_WITH_SCHEMA_QUERY(Query_for_partition_of_table);
+	}
+	else if (Matches("ALTER", "TABLE", MatchAny, "MERGE", "PARTITIONS", "(*)"))
+		COMPLETE_WITH("INTO");
+
 	/* ALTER TABLE <name> OF */
 	else if (Matches("ALTER", "TABLE", MatchAny, "OF"))
 		COMPLETE_WITH_SCHEMA_QUERY(Query_for_list_of_composite_datatypes);
-- 
2.39.2

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