Merge adventure.(none):/home/thek/Development/cpp/bug27792/my51-bug27792

into  adventure.(none):/home/thek/Development/cpp/mysql-5.1-runtime


mysql-test/r/query_cache.result:
  Auto merged
sql/mysql_priv.h:
  Auto merged

2 files changed, 166 insertions, 0 deletions

diff --git a/mysql-test/r/query_cache.result b/mysql-test/r/query_cache.result
index 66283f16120..64d32ba334c 100644
--- a/mysql-test/r/query_cache.result
+++ b/mysql-test/r/query_cache.result
@@ -1343,3 +1343,97 @@ c1
 100
 drop table t1;
 set global query_cache_size=0;
+create table t1 (a int);
+insert into t1 values (1),(2),(3);
+set GLOBAL query_cache_type=1;
+set GLOBAL query_cache_limit=10000;
+set GLOBAL query_cache_min_res_unit=0;
+set GLOBAL query_cache_size= 100000;
+reset query cache;
+set LOCAL default_week_format = 0;
+select week('2007-01-04');
+week('2007-01-04')
+0
+select week('2007-01-04') from t1;
+week('2007-01-04')
+0
+0
+0
+select extract(WEEK FROM '2007-01-04') from t1;
+extract(WEEK FROM '2007-01-04')
+0
+0
+0
+set LOCAL default_week_format = 2;
+select week('2007-01-04');
+week('2007-01-04')
+53
+select week('2007-01-04') from t1;
+week('2007-01-04')
+53
+53
+53
+select extract(WEEK FROM '2007-01-04') from t1;
+extract(WEEK FROM '2007-01-04')
+53
+53
+53
+reset query cache;
+set LOCAL div_precision_increment=2;
+select 1/7;
+1/7
+0.14
+select 1/7 from t1;
+1/7
+0.14
+0.14
+0.14
+set LOCAL div_precision_increment=4;
+select 1/7;
+1/7
+0.1429
+select 1/7 from t1;
+1/7
+0.1429
+0.1429
+0.1429
+drop table t1;
+CREATE TABLE t1 (a VARCHAR(200), b TEXT, FULLTEXT (a,b));
+INSERT INTO t1 VALUES('MySQL has now support', 'for full-text search'),
+('Full-text indexes', 'are called collections'),
+('Only MyISAM tables','support collections'),
+('Function MATCH ... AGAINST()','is used to do a search'),
+('Full-text search in MySQL', 'implements vector space model');
+set GLOBAL ft_boolean_syntax='+ -><()~*:""&|';
+select *, MATCH(a,b) AGAINST("+called +collections" IN BOOLEAN MODE) as x from t1;
+a	b	x
+MySQL has now support	for full-text search	0
+Full-text indexes	are called collections	1
+Only MyISAM tables	support collections	0
+Function MATCH ... AGAINST()	is used to do a search	0
+Full-text search in MySQL	implements vector space model	0
+set GLOBAL ft_boolean_syntax='- +><()~*:""&|';
+select *, MATCH(a,b) AGAINST("+called +collections" IN BOOLEAN MODE) as x from t1;
+a	b	x
+MySQL has now support	for full-text search	0
+Full-text indexes	are called collections	0
+Only MyISAM tables	support collections	0
+Function MATCH ... AGAINST()	is used to do a search	0
+Full-text search in MySQL	implements vector space model	0
+create function change_global() returns integer deterministic
+begin
+set global ft_boolean_syntax='+ -><()~*:""&|';
+return 1;
+end|
+select *, change_global() from t1;
+a	b	change_global()
+MySQL has now support	for full-text search	1
+Full-text indexes	are called collections	1
+Only MyISAM tables	support collections	1
+Function MATCH ... AGAINST()	is used to do a search	1
+Full-text search in MySQL	implements vector space model	1
+drop function change_global;
+set GLOBAL query_cache_type=default;
+set GLOBAL query_cache_limit=default;
+set GLOBAL query_cache_min_res_unit=default;
+set GLOBAL query_cache_size= default;
diff --git a/mysql-test/t/query_cache.test b/mysql-test/t/query_cache.test
index 8920b424021..b878c141546 100644
--- a/mysql-test/t/query_cache.test
+++ b/mysql-test/t/query_cache.test
@@ -928,3 +928,75 @@ select * from t1;
 drop table t1;
 
 set global query_cache_size=0;
+
+#
+# Query cache and changes to system variables
+#
+
+create table t1 (a int);
+insert into t1 values (1),(2),(3);
+set GLOBAL query_cache_type=1;
+set GLOBAL query_cache_limit=10000;
+set GLOBAL query_cache_min_res_unit=0;
+set GLOBAL query_cache_size= 100000;
+
+# default_week_format
+reset query cache;
+set LOCAL default_week_format = 0;
+select week('2007-01-04');
+select week('2007-01-04') from t1;
+select extract(WEEK FROM '2007-01-04') from t1;
+
+set LOCAL default_week_format = 2;
+select week('2007-01-04');
+select week('2007-01-04') from t1;
+select extract(WEEK FROM '2007-01-04') from t1;
+
+# div_precision_increment
+reset query cache;
+set LOCAL div_precision_increment=2;
+select 1/7;
+select 1/7 from t1;
+
+set LOCAL div_precision_increment=4;
+select 1/7;
+select 1/7 from t1;
+
+drop table t1;
+
+CREATE TABLE t1 (a VARCHAR(200), b TEXT, FULLTEXT (a,b));
+INSERT INTO t1 VALUES('MySQL has now support', 'for full-text search'),
+                       ('Full-text indexes', 'are called collections'),
+                          ('Only MyISAM tables','support collections'),
+             ('Function MATCH ... AGAINST()','is used to do a search'),
+        ('Full-text search in MySQL', 'implements vector space model');
+
+
+set GLOBAL ft_boolean_syntax='+ -><()~*:""&|';
+
+select *, MATCH(a,b) AGAINST("+called +collections" IN BOOLEAN MODE) as x from t1;
+
+# swap +/-
+set GLOBAL ft_boolean_syntax='- +><()~*:""&|';
+
+select *, MATCH(a,b) AGAINST("+called +collections" IN BOOLEAN MODE) as x from t1;
+
+# If in the future we need to cache queries with functions
+# be sure not to cause dead lock if the query cache is flushed
+# while inserting a query in the query cache.
+delimiter |;
+create function change_global() returns integer deterministic
+begin
+  set global ft_boolean_syntax='+ -><()~*:""&|';
+  return 1;
+end|
+delimiter ;|
+select *, change_global() from t1;
+drop function change_global;
+
+set GLOBAL query_cache_type=default;
+set GLOBAL query_cache_limit=default;
+set GLOBAL query_cache_min_res_unit=default;
+set GLOBAL query_cache_size= default;
+
+# End of 5.0 tests