From a0404d9f00dd81d7626ccc0254d4fd193b88200c Mon Sep 17 00:00:00 2001 From: Atsushi Torikoshi Date: Thu, 8 May 2025 21:11:20 +0900 Subject: [PATCH] Improve tab completion for COPY options Currently, COPY FROM and TO share the same tab completion rules, even though some options are only valid for one or the other. This patch separates the tab completion rules for COPY FROM and COPY TO to provide more accurate suggestions. It also adds tab completion support for REJECT_LIMIT option, which is valid only for COPY FROM. --- src/bin/psql/tab-complete.in.c | 30 ++++++++++++++++++++++-------- 1 file changed, 22 insertions(+), 8 deletions(-) diff --git a/src/bin/psql/tab-complete.in.c b/src/bin/psql/tab-complete.in.c index ec65ab79fecb..a1707100ac92 100644 --- a/src/bin/psql/tab-complete.in.c +++ b/src/bin/psql/tab-complete.in.c @@ -1190,6 +1190,19 @@ Alter_procedure_options, "COST", "IMMUTABLE", "LEAKPROOF", "NOT LEAKPROOF", \ Alter_routine_options, "CALLED ON NULL INPUT", "RETURNS NULL ON NULL INPUT", \ "STRICT", "SUPPORT" +/* COPY options shared between FROM and TO */ +#define Copy_common_options \ +"DELIMITER", "ENCODING", "ESCAPE", "FORMAT", "HEADER", "NULL", "QUOTE" + +/* COPY FROM options */ +#define Copy_from_options \ +Copy_common_options, "DEFAULT", "FORCE_NOT_NULL", "FORCE_NULL", "FREEZE", \ +"LOG_VERBOSITY", "ON_ERROR", "REJECT_LIMIT" + +/* COPY TO options */ +#define Copy_to_options \ +Copy_common_options, "FORCE_QUOTE" + /* * These object types were introduced later than our support cutoff of * server version 9.2. We use the VersionedQuery infrastructure so that @@ -3284,23 +3297,24 @@ match_previous_words(int pattern_id, else if (Matches("COPY|\\copy", MatchAny, "FROM", MatchAny)) COMPLETE_WITH("WITH (", "WHERE"); - /* Complete COPY FROM|TO filename WITH ( */ - else if (Matches("COPY|\\copy", MatchAny, "FROM|TO", MatchAny, "WITH", "(")) - COMPLETE_WITH("FORMAT", "FREEZE", "DELIMITER", "NULL", - "HEADER", "QUOTE", "ESCAPE", "FORCE_QUOTE", - "FORCE_NOT_NULL", "FORCE_NULL", "ENCODING", "DEFAULT", - "ON_ERROR", "LOG_VERBOSITY"); + /* Complete COPY FROM filename WITH ( */ + else if (Matches("COPY|\\copy", MatchAny, "FROM", MatchAny, "WITH", "(")) + COMPLETE_WITH(Copy_from_options); + + /* Complete COPY TO filename WITH ( */ + else if (Matches("COPY|\\copy", MatchAny, "TO", MatchAny, "WITH", "(")) + COMPLETE_WITH(Copy_to_options); /* Complete COPY FROM|TO filename WITH (FORMAT */ else if (Matches("COPY|\\copy", MatchAny, "FROM|TO", MatchAny, "WITH", "(", "FORMAT")) COMPLETE_WITH("binary", "csv", "text"); /* Complete COPY FROM filename WITH (ON_ERROR */ - else if (Matches("COPY|\\copy", MatchAny, "FROM|TO", MatchAny, "WITH", "(", "ON_ERROR")) + else if (Matches("COPY|\\copy", MatchAny, "FROM", MatchAny, "WITH", "(", "ON_ERROR")) COMPLETE_WITH("stop", "ignore"); /* Complete COPY FROM filename WITH (LOG_VERBOSITY */ - else if (Matches("COPY|\\copy", MatchAny, "FROM|TO", MatchAny, "WITH", "(", "LOG_VERBOSITY")) + else if (Matches("COPY|\\copy", MatchAny, "FROM", MatchAny, "WITH", "(", "LOG_VERBOSITY")) COMPLETE_WITH("silent", "default", "verbose"); /* Complete COPY FROM WITH () */