Adding upstream version 13.4.upstream/13.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 67 insertions, 0 deletions

diff --git a/src/test/regress/sql/expressions.sql b/src/test/regress/sql/expressions.sql
new file mode 100644
index 0000000..1ca8bb1
--- /dev/null
+++ b/src/test/regress/sql/expressions.sql
@@ -0,0 +1,67 @@
+--
+-- expression evaluation tests that don't fit into a more specific file
+--
+
+--
+-- Tests for SQLVAlueFunction
+--
+
+
+-- current_date  (always matches because of transactional behaviour)
+SELECT date(now())::text = current_date::text;
+
+
+-- current_time / localtime
+SELECT now()::timetz::text = current_time::text;
+SELECT now()::timetz(4)::text = current_time(4)::text;
+SELECT now()::time::text = localtime::text;
+SELECT now()::time(3)::text = localtime(3)::text;
+
+-- current_timestamp / localtimestamp (always matches because of transactional behaviour)
+SELECT current_timestamp = NOW();
+-- precision
+SELECT length(current_timestamp::text) >= length(current_timestamp(0)::text);
+-- localtimestamp
+SELECT now()::timestamp::text = localtimestamp::text;
+
+-- current_role/user/user is tested in rolnames.sql
+
+-- current database / catalog
+SELECT current_catalog = current_database();
+
+-- current_schema
+SELECT current_schema;
+SET search_path = 'notme';
+SELECT current_schema;
+SET search_path = 'pg_catalog';
+SELECT current_schema;
+RESET search_path;
+
+
+--
+-- Tests for BETWEEN
+--
+
+explain (costs off)
+select count(*) from date_tbl
+  where f1 between '1997-01-01' and '1998-01-01';
+select count(*) from date_tbl
+  where f1 between '1997-01-01' and '1998-01-01';
+
+explain (costs off)
+select count(*) from date_tbl
+  where f1 not between '1997-01-01' and '1998-01-01';
+select count(*) from date_tbl
+  where f1 not between '1997-01-01' and '1998-01-01';
+
+explain (costs off)
+select count(*) from date_tbl
+  where f1 between symmetric '1997-01-01' and '1998-01-01';
+select count(*) from date_tbl
+  where f1 between symmetric '1997-01-01' and '1998-01-01';
+
+explain (costs off)
+select count(*) from date_tbl
+  where f1 not between symmetric '1997-01-01' and '1998-01-01';
+select count(*) from date_tbl
+  where f1 not between symmetric '1997-01-01' and '1998-01-01';