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Add tab completion for ALTER INDEX ALTER COLUMN in psql

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The completion here consists of attribute numbers, which is specific to
this grammar.

Author: Tatsuro Yamada
Reviewed-by: Peter Eisentraut
Discussion: https://portgr.es/m/b58a78fa-81ce-186f-f0bc-c1aa93c46cbf@lab.ntt.co.jp
This commit is contained in:
Michael Paquier 2019-01-28 15:30:14 +09:00
parent a23676503b
commit 23349b18d9
1 changed files with 17 additions and 0 deletions
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17
src/bin/psql/tab-complete.c
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@ -583,6 +583,17 @@ static const SchemaQuery Query_for_list_of_statistics = {
" OR '\"' || relname || '\"'='%s') "\
" AND pg_catalog.pg_table_is_visible(c.oid)"
#define Query_for_list_of_attribute_numbers \
"SELECT attnum "\
" FROM pg_catalog.pg_attribute a, pg_catalog.pg_class c "\
" WHERE c.oid = a.attrelid "\
" AND a.attnum > 0 "\
" AND NOT a.attisdropped "\
" AND substring(attnum::pg_catalog.text,1,%d)='%s' "\
" AND (pg_catalog.quote_ident(relname)='%s' "\
" OR '\"' || relname || '\"'='%s') "\
" AND pg_catalog.pg_table_is_visible(c.oid)"
#define Query_for_list_of_attributes_with_schema \
"SELECT pg_catalog.quote_ident(attname) "\
" FROM pg_catalog.pg_attribute a, pg_catalog.pg_class c, pg_catalog.pg_namespace n "\
@ -1604,6 +1615,12 @@ psql_completion(const char *text, int start, int end)
/* ALTER INDEX <name> ALTER */
else if (Matches("ALTER", "INDEX", MatchAny, "ALTER"))
COMPLETE_WITH("COLUMN");
/* ALTER INDEX <name> ALTER COLUMN */
else if (Matches("ALTER", "INDEX", MatchAny, "ALTER", "COLUMN"))
{
completion_info_charp = prev3_wd;
COMPLETE_WITH_QUERY(Query_for_list_of_attribute_numbers);
}
/* ALTER INDEX <name> ALTER COLUMN <colnum> */
else if (Matches("ALTER", "INDEX", MatchAny, "ALTER", "COLUMN", MatchAny))
COMPLETE_WITH("SET STATISTICS");