Merge mskold@bk-internal.mysql.com:/home/bk/mysql-5.0

into  mysql.com:/usr/local/home/marty/MySQL/mysql-5.0

innobase/btr/btr0cur.c

@@ -392,11 +392,12 @@ btr_cur_search_to_nth_level(
 		page_mode = PAGE_CUR_LE;
 		break;
 	default:
-		ut_ad(mode == PAGE_CUR_L
 #ifdef PAGE_CUR_LE_OR_EXTENDS
-			|| mode == PAGE_CUR_LE_OR_EXTENDS
+		ut_ad(mode == PAGE_CUR_L || mode == PAGE_CUR_LE
+			|| mode == PAGE_CUR_LE_OR_EXTENDS);
+#else /* PAGE_CUR_LE_OR_EXTENDS */
+		ut_ad(mode == PAGE_CUR_L || mode == PAGE_CUR_LE);
 #endif /* PAGE_CUR_LE_OR_EXTENDS */
-			|| mode == PAGE_CUR_LE);
 		page_mode = mode;
 		break;
 	}

innobase/page/page0cur.c

@@ -238,14 +238,16 @@ page_cur_search_with_match(
 	      && ilow_matched_fields && ilow_matched_bytes && cursor);
 	ut_ad(dtuple_validate(tuple));
 	ut_ad(dtuple_check_typed(tuple));
+#ifdef UNIV_DEBUG
+# ifdef PAGE_CUR_DBG
+	if (mode != PAGE_CUR_DBG)
+# endif /* PAGE_CUR_DBG */
+# ifdef PAGE_CUR_LE_OR_EXTENDS
+		if (mode != PAGE_CUR_LE_OR_EXTENDS)
+# endif /* PAGE_CUR_LE_OR_EXTENDS */
 	ut_ad((mode == PAGE_CUR_L) || (mode == PAGE_CUR_LE)
-#ifdef PAGE_CUR_DBG
-	      || (mode == PAGE_CUR_DBG)
-#endif /* PAGE_CUR_DBG */
-#ifdef PAGE_CUR_LE_OR_EXTENDS
-	      || (mode == PAGE_CUR_LE_OR_EXTENDS)
-#endif /* PAGE_CUR_LE_OR_EXTENDS */
 	      || (mode == PAGE_CUR_G) || (mode == PAGE_CUR_GE));
+#endif /* UNIV_DEBUG */
 
 	page_check_dir(page);
 

mysql-test/r/query_cache.result

@@ -930,7 +930,7 @@ Variable_name	Value
 Qcache_queries_in_cache	0
 show status like "Qcache_inserts";
 Variable_name	Value
-Qcache_inserts	19
+Qcache_inserts	18
 show status like "Qcache_hits";
 Variable_name	Value
 Qcache_hits	6
@@ -943,7 +943,7 @@ Variable_name	Value
 Qcache_queries_in_cache	1
 show status like "Qcache_inserts";
 Variable_name	Value
-Qcache_inserts	20
+Qcache_inserts	19
 show status like "Qcache_hits";
 Variable_name	Value
 Qcache_hits	7
@@ -1007,6 +1007,93 @@ abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzab
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 flush query cache;
 drop table t1, t2;
+flush status;
+CREATE TABLE t1 (
+`date` datetime NOT NULL default '0000-00-00 00:00:00',
+KEY `date` (`date`)
+) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('20050326');
+INSERT INTO t1 VALUES ('20050325');
+SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050327 0:0:0';
+COUNT(*)
+0
+Warnings:
+Warning	1292	Incorrect datetime value: '20050327 0:0:0' for column 'date' at row 1
+Warning	1292	Incorrect datetime value: '20050327 0:0:0' for column 'date' at row 1
+SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050328 0:0:0';
+COUNT(*)
+0
+Warnings:
+Warning	1292	Incorrect datetime value: '20050328 0:0:0' for column 'date' at row 1
+Warning	1292	Incorrect datetime value: '20050328 0:0:0' for column 'date' at row 1
+SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050327 0:0:0';
+COUNT(*)
+0
+Warnings:
+Warning	1292	Incorrect datetime value: '20050327 0:0:0' for column 'date' at row 1
+Warning	1292	Incorrect datetime value: '20050327 0:0:0' for column 'date' at row 1
+show status like "Qcache_queries_in_cache";
+Variable_name	Value
+Qcache_queries_in_cache	0
+show status like "Qcache_inserts";
+Variable_name	Value
+Qcache_inserts	0
+show status like "Qcache_hits";
+Variable_name	Value
+Qcache_hits	0
+drop table t1;
+create table t1 (a int);
+insert into t1 values (1);
+reset query cache;
+flush status;
+select * from (select * from t1) a;
+a
+1
+show status like "Qcache_queries_in_cache";
+Variable_name	Value
+Qcache_queries_in_cache	1
+show status like "Qcache_inserts";
+Variable_name	Value
+Qcache_inserts	1
+show status like "Qcache_hits";
+Variable_name	Value
+Qcache_hits	0
+select * from (select * from t1) a;
+a
+1
+show status like "Qcache_queries_in_cache";
+Variable_name	Value
+Qcache_queries_in_cache	1
+show status like "Qcache_inserts";
+Variable_name	Value
+Qcache_inserts	1
+show status like "Qcache_hits";
+Variable_name	Value
+Qcache_hits	1
+insert into t1 values (2);
+show status like "Qcache_queries_in_cache";
+Variable_name	Value
+Qcache_queries_in_cache	0
+show status like "Qcache_inserts";
+Variable_name	Value
+Qcache_inserts	1
+show status like "Qcache_hits";
+Variable_name	Value
+Qcache_hits	1
+select * from (select * from t1) a;
+a
+1
+2
+show status like "Qcache_queries_in_cache";
+Variable_name	Value
+Qcache_queries_in_cache	1
+show status like "Qcache_inserts";
+Variable_name	Value
+Qcache_inserts	2
+show status like "Qcache_hits";
+Variable_name	Value
+Qcache_hits	1
+drop table t1;
 create table t1 (a int);
 insert into t1 values (1),(2);
 CREATE PROCEDURE `p1`()

mysql-test/r/view.result

@@ -1850,6 +1850,13 @@ SELECT * FROM v1;
 SUBSTRING_INDEX("dkjhgd:kjhdjh", ":", 1)
 dkjhgd
 drop view v1;
+create table t1 (s1 int);
+create view v1 as select var_samp(s1) from t1;
+show create view v1;
+View	Create View
+v1	CREATE ALGORITHM=UNDEFINED VIEW `test`.`v1` AS select var_samp(`test`.`t1`.`s1`) AS `var_samp(s1)` from `test`.`t1`
+drop view v1;
+drop table t1;
 set sql_mode='strict_all_tables';
 CREATE TABLE t1 (col1 INT NOT NULL, col2 INT NOT NULL) ENGINE = INNODB;
 CREATE VIEW v1 (vcol1) AS SELECT col1 FROM t1;

mysql-test/t/query_cache.test

@@ -756,6 +756,50 @@ flush query cache;
 
 drop table t1, t2;
 
+#
+# Query with warning prohibited to query cache (BUG#9414)
+#
+flush status;
+CREATE TABLE t1 (
+  `date` datetime NOT NULL default '0000-00-00 00:00:00',
+  KEY `date` (`date`)
+) ENGINE=MyISAM;
+
+INSERT INTO t1 VALUES ('20050326');
+INSERT INTO t1 VALUES ('20050325');
+SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050327 0:0:0';
+SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050328 0:0:0';
+SELECT COUNT(*) FROM t1 WHERE date BETWEEN '20050326' AND '20050327 0:0:0';
+show status like "Qcache_queries_in_cache";
+show status like "Qcache_inserts";
+show status like "Qcache_hits";
+drop table t1;
+
+#
+# queries with subquery in the FROM clause (BUG#11522)
+#
+create table t1 (a int);
+insert into t1 values (1);
+reset query cache;
+flush status;
+select * from (select * from t1) a;
+show status like "Qcache_queries_in_cache";
+show status like "Qcache_inserts";
+show status like "Qcache_hits";
+select * from (select * from t1) a;
+show status like "Qcache_queries_in_cache";
+show status like "Qcache_inserts";
+show status like "Qcache_hits";
+insert into t1 values (2);
+show status like "Qcache_queries_in_cache";
+show status like "Qcache_inserts";
+show status like "Qcache_hits";
+select * from (select * from t1) a;
+show status like "Qcache_queries_in_cache";
+show status like "Qcache_inserts";
+show status like "Qcache_hits";
+drop table t1;
+
 #
 # SP cursors and selects with query cache (BUG#9715)
 #

mysql-test/t/view.test

@@ -1697,6 +1697,15 @@ CREATE VIEW v1 AS SELECT SUBSTRING_INDEX("dkjhgd:kjhdjh", ":", 1);
 SELECT * FROM v1;
 drop view v1;
 
+#
+# Using var_samp with view (BUG#10651)
+#
+create table t1 (s1 int);
+create view v1 as select var_samp(s1) from t1;
+show create view v1;
+drop view v1;
+drop table t1;
+
 #
 # Correct inserting data check (absence of default value) for view
 # underlying tables (BUG#6443)

sql/item_sum.h

@@ -479,7 +479,8 @@ public:
   Item *result_item(Field *field)
   { return new Item_variance_field(this); }
   void no_rows_in_result() {}
-  const char *func_name() const { return "variance("; }
+  const char *func_name() const
+    { return sample ? "var_samp(" : "variance("; }
   Item *copy_or_same(THD* thd);
   Field *create_tmp_field(bool group, TABLE *table, uint convert_blob_length);
   enum Item_result result_type () const { return hybrid_type; }

sql/sql_cache.cc

@@ -278,7 +278,6 @@ TODO list:
   - Move MRG_MYISAM table type processing to handlers, something like:
         tables_used->table->file->register_used_filenames(callback,
                                                           first_argument);
-  - Make derived tables cachable.
   - QC improvement suggested by Monty:
     - Add a counter in open_table() for how many MERGE (ISAM or MyISAM)
       tables are cached in the table cache.
@@ -2135,6 +2134,13 @@ Query_cache::register_tables_from_list(TABLE_LIST *tables_used,
        tables_used;
        tables_used= tables_used->next_global, n++, block_table++)
   {
+    if (tables_used->derived)
+    {
+      DBUG_PRINT("qcache", ("derived table skipped"));
+      n--;
+      block_table--;
+      continue;
+    }
     block_table->n= n;
     if (tables_used->view)
     {
@@ -2778,6 +2784,12 @@ static TABLE_COUNTER_TYPE process_and_count_tables(TABLE_LIST *tables_used,
                             tables_used->table->s->table_name,
                             tables_used->table->s->table_cache_key,
                             tables_used->table->s->db_type));
+      if (tables_used->derived)
+      {
+        table_count--;
+        DBUG_PRINT("qcache", ("derived table skipped"));
+        continue;
+      }
       *tables_type|= tables_used->table->file->table_cache_type();
 
       /*

sql/sql_error.cc

@@ -146,6 +146,8 @@ MYSQL_ERROR *push_warning(THD *thd, MYSQL_ERROR::enum_warning_level level,
   {
     DBUG_RETURN(NULL);
   }
+  query_cache_abort(&thd->net);
+
 
   if (thd->warn_list.elements < thd->variables.max_error_count)
   {