diff options
Diffstat (limited to 'src/backend/tcop/postgres.c')
| -rw-r--r-- | src/backend/tcop/postgres.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/src/backend/tcop/postgres.c b/src/backend/tcop/postgres.c index eeec7b02259..f50dfee7d67 100644 --- a/src/backend/tcop/postgres.c +++ b/src/backend/tcop/postgres.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.96 1999/01/17 06:18:42 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.97 1999/01/18 00:09:56 momjian Exp $ * * NOTES * this is the "main" module of the postgres backend and @@ -448,12 +448,20 @@ pg_parse_and_plan(char *query_string, /* string to execute */ querytree = querytree_list->qtrees[i]; + /***S*I***/ + /* Rewrite Union, Intersect and Except Queries + * to normal Union Queries using IN and NOT IN subselects */ + if(querytree->intersectClause != NIL) + { + querytree = Except_Intersect_Rewrite(querytree); + } + if (DebugPrintQuery) { if (DebugPrintQuery > 3) - { - /* Print the query string as is if query debug level > 3 */ - TPRINTF(TRACE_QUERY, "query: %s", query_string); + { + /* Print the query string as is if query debug level > 3 */ + TPRINTF(TRACE_QUERY, "query: %s", query_string); } else { @@ -1527,7 +1535,7 @@ PostgresMain(int argc, char *argv[], int real_argc, char *real_argv[]) if (!IsUnderPostmaster) { puts("\nPOSTGRES backend interactive interface "); - puts("$Revision: 1.96 $ $Date: 1999/01/17 06:18:42 $\n"); + puts("$Revision: 1.97 $ $Date: 1999/01/18 00:09:56 $\n"); } /* ---------------- |