drop_constraint_complete_v1.patch
application/octet-stream
Filename: drop_constraint_complete_v1.patch
Type: application/octet-stream
Part: 0
Message:
Tab completion for DROP CONSTRAINT
Patch
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API reference →
Format: unified
Series: patch v1
| File | + | − |
|---|---|---|
| src/bin/psql/tab-complete.c | 0 | 0 |
diff --git a/src/bin/psql/tab-complete.c b/src/bin/psql/tab-complete.c
new file mode 100644
index a1bb230..d55d8a0
*** a/src/bin/psql/tab-complete.c
--- b/src/bin/psql/tab-complete.c
*************** static const SchemaQuery Query_for_list_
*** 580,585 ****
--- 580,593 ----
" 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) "\
" FROM pg_catalog.pg_class"\
*************** psql_completion(char *text, int start, i
*** 1337,1342 ****
--- 1345,1358 ----
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) ||