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psql: Improve tab-completion for MERGE.

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Commit 7103ebb7aa added the tab-completion for MERGE accidentally
in the middle of that for LOCK TABLE. This commit fixes this issue.

This also adds some tab-completion for MERGE.

Back-patch to v15 where MERGE was introduced.

Author: Kotaro Kawamoto, Fujii Masao
Reviewed-by: Shinya Kato, Álvaro Herrera
Discussion: https://postgr.es/m/9f1ad2a87a58cd5e7d64f3993130958d@oss.nttdata.com
This commit is contained in:
Fujii Masao
2022-09-22 09:25:29 +09:00
parent 661ee7bfc6
commit 9a6915257d
1 changed files with 67 additions and 35 deletions
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102
src/bin/psql/tab-complete.c
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@@ -1669,7 +1669,7 @@ psql_completion(const char *text, int start, int end)
"COMMENT", "COMMIT", "COPY", "CREATE", "DEALLOCATE", "DECLARE", "COMMENT", "COMMIT", "COPY", "CREATE", "DEALLOCATE", "DECLARE",
"DELETE FROM", "DISCARD", "DO", "DROP", "END", "EXECUTE", "EXPLAIN", "DELETE FROM", "DISCARD", "DO", "DROP", "END", "EXECUTE", "EXPLAIN",
"FETCH", "GRANT", "IMPORT FOREIGN SCHEMA", "INSERT INTO", "LISTEN", "LOAD", "LOCK", "FETCH", "GRANT", "IMPORT FOREIGN SCHEMA", "INSERT INTO", "LISTEN", "LOAD", "LOCK",
"MERGE", "MOVE", "NOTIFY", "PREPARE", "MERGE INTO", "MOVE", "NOTIFY", "PREPARE",
"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",
@@ -3641,7 +3641,7 @@ psql_completion(const char *text, int start, int end)
*/ */
else if (Matches("EXPLAIN")) else if (Matches("EXPLAIN"))
COMPLETE_WITH("SELECT", "INSERT INTO", "DELETE FROM", "UPDATE", "DECLARE", COMPLETE_WITH("SELECT", "INSERT INTO", "DELETE FROM", "UPDATE", "DECLARE",
"MERGE", "EXECUTE", "ANALYZE", "VERBOSE"); "MERGE INTO", "EXECUTE", "ANALYZE", "VERBOSE");
else if (HeadMatches("EXPLAIN", "(*") && else if (HeadMatches("EXPLAIN", "(*") &&
!HeadMatches("EXPLAIN", "(*)")) !HeadMatches("EXPLAIN", "(*)"))
{ {
@@ -3660,12 +3660,12 @@ psql_completion(const char *text, int start, int end)
} }
else if (Matches("EXPLAIN", "ANALYZE")) else if (Matches("EXPLAIN", "ANALYZE"))
COMPLETE_WITH("SELECT", "INSERT INTO", "DELETE FROM", "UPDATE", "DECLARE", COMPLETE_WITH("SELECT", "INSERT INTO", "DELETE FROM", "UPDATE", "DECLARE",
"MERGE", "EXECUTE", "VERBOSE"); "MERGE INTO", "EXECUTE", "VERBOSE");
else if (Matches("EXPLAIN", "(*)") || else if (Matches("EXPLAIN", "(*)") ||
Matches("EXPLAIN", "VERBOSE") || Matches("EXPLAIN", "VERBOSE") ||
Matches("EXPLAIN", "ANALYZE", "VERBOSE")) Matches("EXPLAIN", "ANALYZE", "VERBOSE"))
COMPLETE_WITH("SELECT", "INSERT INTO", "DELETE FROM", "UPDATE", "DECLARE", COMPLETE_WITH("SELECT", "INSERT INTO", "DELETE FROM", "UPDATE", "DECLARE",
"MERGE", "EXECUTE"); "MERGE INTO", "EXECUTE");
/* FETCH && MOVE */ /* FETCH && MOVE */
@@ -4065,58 +4065,90 @@ psql_completion(const char *text, int start, int end)
else if (HeadMatches("LOCK") && TailMatches("IN", "SHARE")) else if (HeadMatches("LOCK") && TailMatches("IN", "SHARE"))
COMPLETE_WITH("MODE", "ROW EXCLUSIVE MODE", COMPLETE_WITH("MODE", "ROW EXCLUSIVE MODE",
"UPDATE EXCLUSIVE MODE"); "UPDATE EXCLUSIVE MODE");
/* Complete LOCK [TABLE] [ONLY] <table> [IN lockmode MODE] with "NOWAIT" */
else if (HeadMatches("LOCK") && TailMatches("MODE"))
COMPLETE_WITH("NOWAIT");
/* MERGE --- can be inside EXPLAIN */ /* MERGE --- can be inside EXPLAIN */
else if (TailMatches("MERGE")) else if (TailMatches("MERGE"))
COMPLETE_WITH("INTO"); COMPLETE_WITH("INTO");
else if (TailMatches("MERGE", "INTO")) else if (TailMatches("MERGE", "INTO"))
COMPLETE_WITH_SCHEMA_QUERY(Query_for_list_of_mergetargets); COMPLETE_WITH_SCHEMA_QUERY(Query_for_list_of_mergetargets);
/* Complete MERGE INTO <table> [[AS] <alias>] with USING */
else if (TailMatches("MERGE", "INTO", MatchAny)) else if (TailMatches("MERGE", "INTO", MatchAny))
COMPLETE_WITH("USING", "AS"); COMPLETE_WITH("USING", "AS");
else if (TailMatches("MERGE", "INTO", MatchAny, "USING")) else if (TailMatches("MERGE", "INTO", MatchAny, "AS", MatchAny) ||
COMPLETE_WITH_SCHEMA_QUERY(Query_for_list_of_tables); TailMatches("MERGE", "INTO", MatchAny, MatchAnyExcept("USING|AS")))
/* with [AS] alias */
else if (TailMatches("MERGE", "INTO", MatchAny, "AS", MatchAny))
COMPLETE_WITH("USING"); COMPLETE_WITH("USING");
else if (TailMatches("MERGE", "INTO", MatchAny, MatchAny))
COMPLETE_WITH("USING"); /*
else if (TailMatches("MERGE", "INTO", MatchAny, "AS", MatchAny, "USING")) * Complete MERGE INTO ... USING with a list of relations supporting
COMPLETE_WITH_SCHEMA_QUERY(Query_for_list_of_tables); * SELECT
else if (TailMatches("MERGE", "INTO", MatchAny, MatchAny, "USING")) */
COMPLETE_WITH_SCHEMA_QUERY(Query_for_list_of_tables); else if (TailMatches("MERGE", "INTO", MatchAny, "USING") ||
/* ON */ TailMatches("MERGE", "INTO", MatchAny, "AS", MatchAny, "USING") ||
else if (TailMatches("MERGE", "INTO", MatchAny, "USING", MatchAny)) TailMatches("MERGE", "INTO", MatchAny, MatchAny, "USING"))
COMPLETE_WITH_SCHEMA_QUERY(Query_for_list_of_selectables);
/*
* Complete MERGE INTO <table> [[AS] <alias>] USING <relations> [[AS]
* alias] with ON
*/
else if (TailMatches("MERGE", "INTO", MatchAny, "USING", MatchAny) ||
TailMatches("MERGE", "INTO", MatchAny, "AS", MatchAny, "USING", MatchAny) ||
TailMatches("MERGE", "INTO", MatchAny, MatchAny, "USING", MatchAny))
COMPLETE_WITH("AS", "ON");
else if (TailMatches("MERGE", "INTO", MatchAny, "USING", MatchAny, "AS", MatchAny) ||
TailMatches("MERGE", "INTO", MatchAny, "AS", MatchAny, "USING", MatchAny, "AS", MatchAny) ||
TailMatches("MERGE", "INTO", MatchAny, MatchAny, "USING", MatchAny, "AS", MatchAny) ||
TailMatches("MERGE", "INTO", MatchAny, "USING", MatchAny, MatchAnyExcept("ON|AS")) ||
TailMatches("MERGE", "INTO", MatchAny, "AS", MatchAny, "USING", MatchAny, MatchAnyExcept("ON|AS")) ||
TailMatches("MERGE", "INTO", MatchAny, MatchAny, "USING", MatchAny, MatchAnyExcept("ON|AS")))
COMPLETE_WITH("ON"); COMPLETE_WITH("ON");
else if (TailMatches("INTO", MatchAny, "AS", MatchAny, "USING", MatchAny, "AS", MatchAny))
COMPLETE_WITH("ON"); /* Complete MERGE INTO ... ON with target table attributes */
else if (TailMatches("INTO", MatchAny, MatchAny, "USING", MatchAny, MatchAny))
COMPLETE_WITH("ON");
/* ON condition */
else if (TailMatches("INTO", MatchAny, "USING", MatchAny, "ON")) else if (TailMatches("INTO", MatchAny, "USING", MatchAny, "ON"))
COMPLETE_WITH_ATTR(prev4_wd); COMPLETE_WITH_ATTR(prev4_wd);
else if (TailMatches("INTO", MatchAny, "AS", MatchAny, "USING", MatchAny, "AS", MatchAny, "ON")) else if (TailMatches("INTO", MatchAny, "AS", MatchAny, "USING", MatchAny, "AS", MatchAny, "ON"))
COMPLETE_WITH_ATTR(prev8_wd); COMPLETE_WITH_ATTR(prev8_wd);
else if (TailMatches("INTO", MatchAny, MatchAny, "USING", MatchAny, MatchAny, "ON")) else if (TailMatches("INTO", MatchAny, MatchAny, "USING", MatchAny, MatchAny, "ON"))
COMPLETE_WITH_ATTR(prev6_wd); COMPLETE_WITH_ATTR(prev6_wd);
/* WHEN [NOT] MATCHED */
else if (TailMatches("USING", MatchAny, "ON", MatchAny)) /*
* Complete ... USING <relation> [[AS] alias] ON join condition
* (consisting of one or three words typically used) with WHEN [NOT]
* MATCHED
*/
else if (TailMatches("USING", MatchAny, "ON", MatchAny) ||
TailMatches("USING", MatchAny, "AS", MatchAny, "ON", MatchAny) ||
TailMatches("USING", MatchAny, MatchAny, "ON", MatchAny) ||
TailMatches("USING", MatchAny, "ON", MatchAny, MatchAnyExcept("WHEN"), MatchAnyExcept("WHEN")) ||
TailMatches("USING", MatchAny, "AS", MatchAny, "ON", MatchAny, MatchAnyExcept("WHEN"), MatchAnyExcept("WHEN")) ||
TailMatches("USING", MatchAny, MatchAny, "ON", MatchAny, MatchAnyExcept("WHEN"), MatchAnyExcept("WHEN")))
COMPLETE_WITH("WHEN MATCHED", "WHEN NOT MATCHED"); COMPLETE_WITH("WHEN MATCHED", "WHEN NOT MATCHED");
else if (TailMatches("USING", MatchAny, "AS", MatchAny, "ON", MatchAny)) else if (TailMatches("USING", MatchAny, "ON", MatchAny, "WHEN") ||
COMPLETE_WITH("WHEN MATCHED", "WHEN NOT MATCHED"); TailMatches("USING", MatchAny, "AS", MatchAny, "ON", MatchAny, "WHEN") ||
else if (TailMatches("USING", MatchAny, MatchAny, "ON", MatchAny)) TailMatches("USING", MatchAny, MatchAny, "ON", MatchAny, "WHEN") ||
COMPLETE_WITH("WHEN MATCHED", "WHEN NOT MATCHED"); TailMatches("USING", MatchAny, "ON", MatchAny, MatchAny, MatchAny, "WHEN") ||
else if (TailMatches("WHEN", "MATCHED")) TailMatches("USING", MatchAny, "AS", MatchAny, "ON", MatchAny, MatchAny, MatchAny, "WHEN") ||
COMPLETE_WITH("THEN", "AND"); TailMatches("USING", MatchAny, MatchAny, "ON", MatchAny, MatchAny, MatchAny, "WHEN"))
else if (TailMatches("WHEN", "NOT", "MATCHED")) COMPLETE_WITH("MATCHED", "NOT MATCHED");
/* Complete ... WHEN [NOT] MATCHED with THEN/AND */
else if (TailMatches("WHEN", "MATCHED") ||
TailMatches("WHEN", "NOT", "MATCHED"))
COMPLETE_WITH("THEN", "AND"); COMPLETE_WITH("THEN", "AND");
/* Complete ... WHEN MATCHED THEN with UPDATE SET/DELETE/DO NOTHING */
else if (TailMatches("WHEN", "MATCHED", "THEN")) else if (TailMatches("WHEN", "MATCHED", "THEN"))
COMPLETE_WITH("UPDATE", "DELETE"); COMPLETE_WITH("UPDATE SET", "DELETE", "DO NOTHING");
/* Complete ... WHEN NOT MATCHED THEN with INSERT/DO NOTHING */
else if (TailMatches("WHEN", "NOT", "MATCHED", "THEN")) else if (TailMatches("WHEN", "NOT", "MATCHED", "THEN"))
COMPLETE_WITH("INSERT", "DO NOTHING"); COMPLETE_WITH("INSERT", "DO NOTHING");
/* Complete LOCK [TABLE] [ONLY] <table> [IN lockmode MODE] with "NOWAIT" */
else if (HeadMatches("LOCK") && TailMatches("MODE"))
COMPLETE_WITH("NOWAIT");
/* NOTIFY --- can be inside EXPLAIN, RULE, etc */ /* NOTIFY --- can be inside EXPLAIN, RULE, etc */
else if (TailMatches("NOTIFY")) else if (TailMatches("NOTIFY"))
COMPLETE_WITH_QUERY(Query_for_list_of_channels); COMPLETE_WITH_QUERY(Query_for_list_of_channels);