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Add tab completion support for the WAIT FOR command

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This commit implements tab completion for the WAIT FOR LSN command in psql.

Discussion: https://postgr.es/m/CABPTF7WnLPKcoTGCGge1dDpOieZ2HGF7OVqhNXDcRLPPdSw%3DxA%40mail.gmail.com
Author: Xuneng Zhou <xunengzhou@gmail.com>
Reviewed-by: Alexander Korotkov <aekorotkov@gmail.com>
This commit is contained in:
Alexander Korotkov
2025-11-12 16:11:14 +02:00
parent b4e32a076c
commit a1f7f91be2
1 changed files with 36 additions and 1 deletions
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37
src/bin/psql/tab-complete.in.c
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@@ -1270,7 +1270,8 @@ static const char *const sql_commands[] = {
"REASSIGN", "REFRESH MATERIALIZED VIEW", "REINDEX", "RELEASE", "REASSIGN", "REFRESH MATERIALIZED VIEW", "REINDEX", "RELEASE",
"RESET", "REVOKE", "ROLLBACK", "RESET", "REVOKE", "ROLLBACK",
"SAVEPOINT", "SECURITY LABEL", "SELECT", "SET", "SHOW", "START", "SAVEPOINT", "SECURITY LABEL", "SELECT", "SET", "SHOW", "START",
"TABLE", "TRUNCATE", "UNLISTEN", "UPDATE", "VACUUM", "VALUES", "WITH", "TABLE", "TRUNCATE", "UNLISTEN", "UPDATE", "VACUUM", "VALUES",
"WAIT FOR", "WITH",
NULL NULL
}; };
@@ -5310,6 +5311,40 @@ match_previous_words(int pattern_id,
else if (HeadMatches("VACUUM")) else if (HeadMatches("VACUUM"))
COMPLETE_WITH_SCHEMA_QUERY(Query_for_list_of_vacuumables); COMPLETE_WITH_SCHEMA_QUERY(Query_for_list_of_vacuumables);
/*
* WAIT FOR LSN '<lsn>' [ WITH ( option [, ...] ) ]
* where option can be:
* TIMEOUT '<timeout>'
* NO_THROW
*/
else if (Matches("WAIT"))
COMPLETE_WITH("FOR");
else if (Matches("WAIT", "FOR"))
COMPLETE_WITH("LSN");
else if (Matches("WAIT", "FOR", "LSN"))
/* No completion for LSN value - user must provide manually */
;
else if (Matches("WAIT", "FOR", "LSN", MatchAny))
COMPLETE_WITH("WITH");
else if (Matches("WAIT", "FOR", "LSN", MatchAny, "WITH"))
COMPLETE_WITH("(");
else if (HeadMatches("WAIT", "FOR", "LSN", MatchAny, "WITH", "(*") &&
!HeadMatches("WAIT", "FOR", "LSN", MatchAny, "WITH", "(*)"))
{
/*
* This fires if we're in an unfinished parenthesized option list.
* get_previous_words treats a completed parenthesized option list as
* one word, so the above test is correct.
*/
if (ends_with(prev_wd, '(') || ends_with(prev_wd, ','))
COMPLETE_WITH("timeout", "no_throw");
/*
* timeout takes a string value, no_throw takes no value. We don't
* offer completions for these values.
*/
}
/* WITH [RECURSIVE] */ /* WITH [RECURSIVE] */
/* /*