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Tab complete "TABLE whatever DROP CONSTRAINT" with a constraint name. 

Jeff Janes
This commit is contained in:
Robert Haas 2012-08-20 16:30:08 -04:00
parent b2a01b9ad1
commit 68386fc15b
1 changed files with 16 additions and 0 deletions
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16
src/bin/psql/tab-complete.c
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@ -579,6 +579,14 @@ static const SchemaQuery Query_for_list_of_views = {
" and pg_catalog.quote_ident(c1.relname)='%s'"\
" and pg_catalog.pg_table_is_visible(c2.oid)"
/* the silly-looking length condition is just to eat up the current word */
#define Query_for_constraint_of_table \
"SELECT pg_catalog.quote_ident(conname) "\
" FROM pg_catalog.pg_class c1, pg_catalog.pg_constraint con "\
" WHERE c1.oid=conrelid and (%d = pg_catalog.length('%s'))"\
" and pg_catalog.quote_ident(c1.relname)='%s'"\
" and pg_catalog.pg_table_is_visible(c1.oid)"
/* the silly-looking length condition is just to eat up the current word */
#define Query_for_list_of_tables_for_trigger \
"SELECT pg_catalog.quote_ident(relname) "\
@ -1337,6 +1345,14 @@ psql_completion(char *text, int start, int end)
pg_strcasecmp(prev2_wd, "DROP") == 0 &&
pg_strcasecmp(prev_wd, "COLUMN") == 0)
COMPLETE_WITH_ATTR(prev3_wd, "");
/* If we have TABLE <sth> DROP CONSTRAINT, provide list of constraints */
else if (pg_strcasecmp(prev4_wd, "TABLE") == 0 &&
pg_strcasecmp(prev2_wd, "DROP") == 0 &&
pg_strcasecmp(prev_wd, "CONSTRAINT") == 0)
{
completion_info_charp = prev3_wd;
COMPLETE_WITH_QUERY(Query_for_constraint_of_table);
}
/* ALTER TABLE ALTER [COLUMN] <foo> */
else if ((pg_strcasecmp(prev3_wd, "ALTER") == 0 &&
pg_strcasecmp(prev2_wd, "COLUMN") == 0) ||