1 files changed, 160 insertions, 0 deletions
diff --git a/src/test/regress/expected/expressions.out b/src/test/regress/expected/expressions.out
new file mode 100644
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+++ b/src/test/regress/expected/expressions.out
@@ -0,0 +1,160 @@
+--
+-- 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;
+ ?column? 
+----------
+ t
+(1 row)
+
+-- current_time / localtime
+SELECT now()::timetz::text = current_time::text;
+ ?column? 
+----------
+ t
+(1 row)
+
+SELECT now()::timetz(4)::text = current_time(4)::text;
+ ?column? 
+----------
+ t
+(1 row)
+
+SELECT now()::time::text = localtime::text;
+ ?column? 
+----------
+ t
+(1 row)
+
+SELECT now()::time(3)::text = localtime(3)::text;
+ ?column? 
+----------
+ t
+(1 row)
+
+-- current_timestamp / localtimestamp (always matches because of transactional behaviour)
+SELECT current_timestamp = NOW();
+ ?column? 
+----------
+ t
+(1 row)
+
+-- precision
+SELECT length(current_timestamp::text) >= length(current_timestamp(0)::text);
+ ?column? 
+----------
+ t
+(1 row)
+
+-- localtimestamp
+SELECT now()::timestamp::text = localtimestamp::text;
+ ?column? 
+----------
+ t
+(1 row)
+
+-- current_role/user/user is tested in rolnames.sql
+-- current database / catalog
+SELECT current_catalog = current_database();
+ ?column? 
+----------
+ t
+(1 row)
+
+-- current_schema
+SELECT current_schema;
+ current_schema 
+----------------
+ public
+(1 row)
+
+SET search_path = 'notme';
+SELECT current_schema;
+ current_schema 
+----------------
+ 
+(1 row)
+
+SET search_path = 'pg_catalog';
+SELECT current_schema;
+ current_schema 
+----------------
+ pg_catalog
+(1 row)
+
+RESET search_path;
+--
+-- Tests for BETWEEN
+--
+explain (costs off)
+select count(*) from date_tbl
+  where f1 between '1997-01-01' and '1998-01-01';
+                                 QUERY PLAN                                  
+-----------------------------------------------------------------------------
+ Aggregate
+   ->  Seq Scan on date_tbl
+         Filter: ((f1 >= '01-01-1997'::date) AND (f1 <= '01-01-1998'::date))
+(3 rows)
+
+select count(*) from date_tbl
+  where f1 between '1997-01-01' and '1998-01-01';
+ count 
+-------
+     3
+(1 row)
+
+explain (costs off)
+select count(*) from date_tbl
+  where f1 not between '1997-01-01' and '1998-01-01';
+                                QUERY PLAN                                
+--------------------------------------------------------------------------
+ Aggregate
+   ->  Seq Scan on date_tbl
+         Filter: ((f1 < '01-01-1997'::date) OR (f1 > '01-01-1998'::date))
+(3 rows)
+
+select count(*) from date_tbl
+  where f1 not between '1997-01-01' and '1998-01-01';
+ count 
+-------
+    12
+(1 row)
+
+explain (costs off)
+select count(*) from date_tbl
+  where f1 between symmetric '1997-01-01' and '1998-01-01';
+                                                                  QUERY PLAN                                                                  
+----------------------------------------------------------------------------------------------------------------------------------------------
+ Aggregate
+   ->  Seq Scan on date_tbl
+         Filter: (((f1 >= '01-01-1997'::date) AND (f1 <= '01-01-1998'::date)) OR ((f1 >= '01-01-1998'::date) AND (f1 <= '01-01-1997'::date)))
+(3 rows)
+
+select count(*) from date_tbl
+  where f1 between symmetric '1997-01-01' and '1998-01-01';
+ count 
+-------
+     3
+(1 row)
+
+explain (costs off)
+select count(*) from date_tbl
+  where f1 not between symmetric '1997-01-01' and '1998-01-01';
+                                                               QUERY PLAN                                                                
+-----------------------------------------------------------------------------------------------------------------------------------------
+ Aggregate
+   ->  Seq Scan on date_tbl
+         Filter: (((f1 < '01-01-1997'::date) OR (f1 > '01-01-1998'::date)) AND ((f1 < '01-01-1998'::date) OR (f1 > '01-01-1997'::date)))
+(3 rows)
+
+select count(*) from date_tbl
+  where f1 not between symmetric '1997-01-01' and '1998-01-01';
+ count 
+-------
+    12
+(1 row)
+