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psql: Tab completion for JOIN ... ON/USING

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Offer ON/USING clauses for join types that require join conditions (i.e.
anything except for NATURAL/CROSS joins).

Author: Andreas Karlsson
Reviewed-By: Tomas Vondra
Discussion: https://postgr.es/m/3a7e27bc-d6ed-4cb0-9b21-f21143fc1b37@proxel.se
This commit is contained in:
Tomas Vondra 2024-12-16 18:08:30 +01:00
parent 5dd5786b94
commit a01f6fa6ad
1 changed files with 12 additions and 0 deletions
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12
src/bin/psql/tab-complete.in.c
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@ -5167,6 +5167,18 @@ match_previous_words(int pattern_id,
/* ... JOIN ... */
else if (TailMatches("JOIN"))
COMPLETE_WITH_SCHEMA_QUERY_PLUS(Query_for_list_of_selectables, "LATERAL");
else if (TailMatches("JOIN", MatchAny) && !TailMatches("CROSS|NATURAL", "JOIN", MatchAny))
COMPLETE_WITH("ON", "USING (");
else if (TailMatches("JOIN", MatchAny, MatchAny) &&
!TailMatches("CROSS|NATURAL", "JOIN", MatchAny, MatchAny) && !TailMatches("ON|USING"))
COMPLETE_WITH("ON", "USING (");
else if (TailMatches("JOIN", "LATERAL", MatchAny, MatchAny) &&
!TailMatches("CROSS|NATURAL", "JOIN", "LATERAL", MatchAny, MatchAny) && !TailMatches("ON|USING"))
COMPLETE_WITH("ON", "USING (");
else if (TailMatches("JOIN", MatchAny, "USING") ||
TailMatches("JOIN", MatchAny, MatchAny, "USING") ||
TailMatches("JOIN", "LATERAL", MatchAny, MatchAny, "USING"))
COMPLETE_WITH("(");
/* ... AT [ LOCAL | TIME ZONE ] ... */
else if (TailMatches("AT"))