Merge sanja.is.com.ua:/home/bell/mysql/bk/work-cond_count-4.1

into sanja.is.com.ua:/home/bell/mysql/bk/work-top2-4.1

BitKeeper/etc/logging_ok

@@ -17,6 +17,7 @@ bar@gw.udmsearch.izhnet.ru
 bell@laptop.sanja.is.com.ua
 bell@sanja.is.com.ua
 bk@admin.bk
+bk@mysql.r18.ru
 carsten@tsort.bitbybit.dk
 davida@isil.mysql.com
 gluh@gluh.(none)

mysql-test/r/func_gconcat.result

@@ -154,8 +154,26 @@ Warning	1258	1 line(s) was(were) cut by group_concat()
 show warnings;
 Level	Code	Message
 Warning	1258	1 line(s) was(were) cut by group_concat()
+set group_concat_max_len = 1024;
+drop table if exists T_URL;
+Warnings:
+Note	1051	Unknown table 'T_URL'
+create table T_URL ( URL_ID int(11), URL varchar(80));
+drop table if exists T_REQUEST;
+Warnings:
+Note	1051	Unknown table 'T_REQUEST'
+create table T_REQUEST ( REQ_ID int(11), URL_ID int(11));
+insert into T_URL values (4,'www.host.com'), (5,'www.google.com'),(5,'www.help.com');
+insert into T_REQUEST values (1,4), (5,4), (5,5);
+select REQ_ID, Group_Concat(URL) as URL from T_URL, T_REQUEST where 
+T_REQUEST.URL_ID = T_URL.URL_ID group by REQ_ID;
+REQ_ID	URL
+1	www.host.com
+5	www.host.com,www.google.com,www.help.com
+drop table T_URL;
+drop table T_REQUEST;
 select group_concat(sum(a)) from t1 group by grp;
 ERROR HY000: Invalid use of group function
 select grp,group_concat(c order by 2) from t1 group by grp;
 ERROR 42S22: Unknown column '2' in 'group statement'
-drop table if exists t1;
+drop table t1;

mysql-test/r/subselect.result

@@ -1150,3 +1150,28 @@ INSERT INTO t1 VALUES (1,0,NULL,NULL),(2,0,NULL,NULL);
 SELECT DISTINCT REF_ID FROM t1 WHERE ID= (SELECT DISTINCT REF_ID FROM t1 WHERE ID=2);
 REF_ID
 DROP TABLE t1;
+CREATE TABLE t1
+(
+FOLDERID VARCHAR(32)BINARY NOT NULL
+, FOLDERNAME VARCHAR(255)BINARY NOT NULL
+, CREATOR VARCHAR(255)BINARY
+, CREATED TIMESTAMP NOT NULL
+, DESCRIPTION VARCHAR(255)BINARY
+, FOLDERTYPE INTEGER NOT NULL
+, MODIFIED TIMESTAMP
+, MODIFIER VARCHAR(255)BINARY
+, FOLDERSIZE INTEGER NOT NULL
+, PARENTID VARCHAR(32)BINARY
+, REPID VARCHAR(32)BINARY
+, ORIGINATOR INTEGER
+, PRIMARY KEY ( FOLDERID )
+) TYPE=InnoDB;
+CREATE INDEX FFOLDERID_IDX ON t1 (FOLDERID);
+CREATE INDEX CMFLDRPARNT_IDX ON t1 (PARENTID);
+INSERT INTO t1 VALUES("0c9aab05b15048c59bc35c8461507deb", "System", "System", "2003-06-05 16:30:00", "The system content repository folder.", "3", "2003-06-05 16:30:00", "System", "0", NULL, "9c9aab05b15048c59bc35c8461507deb", "1");
+INSERT INTO t1 VALUES("2f6161e879db43c1a5b82c21ddc49089", "Default", "System", "2003-06-09 10:52:02", "The default content repository folder.", "3", "2003-06-05 16:30:00", "System", "0", NULL, "03eea05112b845949f3fd03278b5fe43", "1");
+INSERT INTO t1 VALUES("c373e9f5ad0791724315444553544200", "AddDocumentTest", "admin", "2003-06-09 10:51:25", "Movie Reviews", "0", "2003-06-09 10:51:25", "admin", "0", "2f6161e879db43c1a5b82c21ddc49089", "03eea05112b845949f3fd03278b5fe43", NULL);
+SELECT 'c373e9f5ad0791a0dab5444553544200' IN(SELECT t1.FOLDERID FROM t1 WHERE t1.PARENTID='2f6161e879db43c1a5b82c21ddc49089' AND t1.FOLDERNAME = 'Level1');
+'c373e9f5ad0791a0dab5444553544200' IN(SELECT t1.FOLDERID FROM t1 WHERE t1.PARENTID='2f6161e879db43c1a5b82c21ddc49089' AND t1.FOLDERNAME = 'Level1')
+0
+drop table t1;

mysql-test/t/func_gconcat.test

@@ -68,6 +68,20 @@ select grp,group_concat(c order by c) from t1 group by grp;
 set group_concat_max_len = 5;
 select grp,group_concat(c) from t1 group by grp;
 show warnings;
+set group_concat_max_len = 1024;
+
+# Test variable length
+
+drop table if exists T_URL;
+create table T_URL ( URL_ID int(11), URL varchar(80));
+drop table if exists T_REQUEST;
+create table T_REQUEST ( REQ_ID int(11), URL_ID int(11));
+insert into T_URL values (4,'www.host.com'), (5,'www.google.com'),(5,'www.help.com');
+insert into T_REQUEST values (1,4), (5,4), (5,5);
+select REQ_ID, Group_Concat(URL) as URL from T_URL, T_REQUEST where 
+T_REQUEST.URL_ID = T_URL.URL_ID group by REQ_ID;
+drop table T_URL;
+drop table T_REQUEST;
 
 # Test errors
 
@@ -76,4 +90,4 @@ select group_concat(sum(a)) from t1 group by grp;
 --error 1054
 select grp,group_concat(c order by 2) from t1 group by grp;
 
-drop table if exists t1;
+drop table t1;

mysql-test/t/subselect.test

@@ -732,3 +732,31 @@ CREATE TABLE t1 (
 INSERT INTO t1 VALUES (1,0,NULL,NULL),(2,0,NULL,NULL);
 SELECT DISTINCT REF_ID FROM t1 WHERE ID= (SELECT DISTINCT REF_ID FROM t1 WHERE ID=2);
 DROP TABLE t1;
+
+#
+# key field overflow test
+#
+CREATE TABLE t1
+(
+FOLDERID VARCHAR(32)BINARY NOT NULL
+, FOLDERNAME VARCHAR(255)BINARY NOT NULL
+, CREATOR VARCHAR(255)BINARY
+, CREATED TIMESTAMP NOT NULL
+, DESCRIPTION VARCHAR(255)BINARY
+, FOLDERTYPE INTEGER NOT NULL
+, MODIFIED TIMESTAMP
+, MODIFIER VARCHAR(255)BINARY
+, FOLDERSIZE INTEGER NOT NULL
+, PARENTID VARCHAR(32)BINARY
+, REPID VARCHAR(32)BINARY
+, ORIGINATOR INTEGER
+
+, PRIMARY KEY ( FOLDERID )
+) TYPE=InnoDB;
+CREATE INDEX FFOLDERID_IDX ON t1 (FOLDERID);
+CREATE INDEX CMFLDRPARNT_IDX ON t1 (PARENTID);
+INSERT INTO t1 VALUES("0c9aab05b15048c59bc35c8461507deb", "System", "System", "2003-06-05 16:30:00", "The system content repository folder.", "3", "2003-06-05 16:30:00", "System", "0", NULL, "9c9aab05b15048c59bc35c8461507deb", "1");
+INSERT INTO t1 VALUES("2f6161e879db43c1a5b82c21ddc49089", "Default", "System", "2003-06-09 10:52:02", "The default content repository folder.", "3", "2003-06-05 16:30:00", "System", "0", NULL, "03eea05112b845949f3fd03278b5fe43", "1");
+INSERT INTO t1 VALUES("c373e9f5ad0791724315444553544200", "AddDocumentTest", "admin", "2003-06-09 10:51:25", "Movie Reviews", "0", "2003-06-09 10:51:25", "admin", "0", "2f6161e879db43c1a5b82c21ddc49089", "03eea05112b845949f3fd03278b5fe43", NULL);
+SELECT 'c373e9f5ad0791a0dab5444553544200' IN(SELECT t1.FOLDERID FROM t1 WHERE t1.PARENTID='2f6161e879db43c1a5b82c21ddc49089' AND t1.FOLDERNAME = 'Level1');
+drop table t1;

scripts/mysql_create_system_tables.sh

@@ -145,6 +145,7 @@ then
   then
     i_u="INSERT INTO user VALUES ('localhost','root','','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','','','','',0,0,0);
     INSERT INTO user VALUES ('$hostname','root','','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','','','','',0,0,0);
+    REPLACE INTO user VALUES ('127.0.0.1','root','','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','Y','','','','',0,0,0);
     INSERT INTO user (host,user) values ('localhost','');
     INSERT INTO user (host,user) values ('$hostname','');"
   else

sql/field.cc

@@ -183,7 +183,7 @@ Field::Field(char *ptr_arg,uint32 length_arg,uchar *null_ptr_arg,
    field_name(field_name_arg),
    query_id(0),key_start(0),part_of_key(0),part_of_sortkey(0),
    unireg_check(unireg_check_arg),
-   field_length(length_arg),null_bit(null_bit_arg)
+   field_length(length_arg),null_bit(null_bit_arg),abs_offset(0)
 {
   flags=null_ptr ? 0: NOT_NULL_FLAG;
   comment.str= (char*) "";

sql/field.h

@@ -66,6 +66,7 @@ public:
   uint32	field_length;		// Length of field
   uint16	flags;
   uchar		null_bit;		// Bit used to test null bit
+  uint          abs_offset;             // use only in group_concat
 
   Field(char *ptr_arg,uint32 length_arg,uchar *null_ptr_arg,uchar null_bit_arg,
 	utype unireg_check_arg, const char *field_name_arg,

sql/item_cmpfunc.cc

@@ -1644,7 +1644,7 @@ Item_cond::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref)
       maybe_null=1;
   }
   if (thd)
-    thd->cond_count+=list.elements;
+    thd->lex.current_select->cond_count+=list.elements;
   fix_length_and_dec();
   fixed= 1;
   return 0;

sql/item_subselect.cc

@@ -893,6 +893,8 @@ int subselect_single_select_engine::exec()
 {
   DBUG_ENTER("subselect_single_select_engine::exec");
   char const *save_where= join->thd->where;
+  SELECT_LEX_NODE *save_select= join->thd->lex.current_select;
+  join->thd->lex.current_select= select_lex;
   if (!optimized)
   {
     optimized=1;
@@ -900,6 +902,7 @@ int subselect_single_select_engine::exec()
     {
       join->thd->where= save_where;
       executed= 1;
+      join->thd->lex.current_select= save_select;
       DBUG_RETURN(join->error?join->error:1);
     }
   }
@@ -908,6 +911,7 @@ int subselect_single_select_engine::exec()
     if (join->reinit())
     {
       join->thd->where= save_where;
+      join->thd->lex.current_select= save_select;
       DBUG_RETURN(1);
     }
     item->reset();
@@ -915,15 +919,14 @@ int subselect_single_select_engine::exec()
   }
   if (!executed)
   {
-    SELECT_LEX_NODE *save_select= join->thd->lex.current_select;
-    join->thd->lex.current_select= select_lex;
     join->exec();
-    join->thd->lex.current_select= save_select;
     executed= 1;
     join->thd->where= save_where;
+    join->thd->lex.current_select= save_select;
     DBUG_RETURN(join->error||thd->is_fatal_error);
   }
   join->thd->where= save_where;
+  join->thd->lex.current_select= save_select;
   DBUG_RETURN(0);
 }
 

sql/item_sum.cc

@@ -1453,17 +1453,18 @@ String *Item_sum_udf_str::val_str(String *str)
   GROUP_CONCAT(DISTINCT expr,...)
 */
 
-static int group_concat_key_cmp_with_distinct(void* arg, byte* key1,
+int group_concat_key_cmp_with_distinct(void* arg, byte* key1,
 				       byte* key2)
 {
   Item_func_group_concat* item= (Item_func_group_concat*)arg;
+
   for (uint i= 0; i < item->arg_count_field; i++)
   {
-    Item *field_item= item->expr[i];
+    Item *field_item= item->args[i];
     Field *field= field_item->tmp_table_field();
     if (field)
     {
-      uint offset= field->offset();
+      uint offset= field->abs_offset;
 
       int res= field->key_cmp(key1 + offset, key2 + offset);
       /*
@@ -1483,9 +1484,10 @@ static int group_concat_key_cmp_with_distinct(void* arg, byte* key1,
   GROUP_CONCAT(expr,... ORDER BY col,... )
 */
 
-static int group_concat_key_cmp_with_order(void* arg, byte* key1, byte* key2)
+int group_concat_key_cmp_with_order(void* arg, byte* key1, byte* key2)
 {
   Item_func_group_concat* item= (Item_func_group_concat*)arg;
+
   for (uint i=0; i < item->arg_count_order; i++)
   {
     ORDER *order_item= item->order[i];
@@ -1493,7 +1495,7 @@ static int group_concat_key_cmp_with_order(void* arg, byte* key1, byte* key2)
     Field *field= item->tmp_table_field();
     if (field)
     {
-      uint offset= field->offset();
+      uint offset= field->abs_offset;
 
       bool dir= order_item->asc;
       int res= field->key_cmp(key1 + offset, key2 + offset);
@@ -1513,8 +1515,7 @@ static int group_concat_key_cmp_with_order(void* arg, byte* key1, byte* key2)
   GROUP_CONCAT(DISTINCT expr,... ORDER BY col,... )
 */
 
-static int group_concat_key_cmp_with_distinct_and_order(void* arg,
-							byte* key1,
+int group_concat_key_cmp_with_distinct_and_order(void* arg,byte* key1,
 						 byte* key2)
 {
   if (!group_concat_key_cmp_with_distinct(arg,key1,key2))
@@ -1528,7 +1529,7 @@ static int group_concat_key_cmp_with_distinct_and_order(void* arg,
   item is pointer to Item_func_group_concat
 */
 
-static int dump_leaf_key(byte* key, uint32 count __attribute__((unused)),
+int dump_leaf_key(byte* key, uint32 count __attribute__((unused)),
                   Item_func_group_concat *group_concat_item)
 {
   char buff[MAX_FIELD_WIDTH];
@@ -1539,13 +1540,12 @@ static int dump_leaf_key(byte* key, uint32 count __attribute__((unused)),
   
   for (uint i= 0; i < group_concat_item->arg_show_fields; i++)
   {
-    Item *show_item= group_concat_item->expr[i];
+    Item *show_item= group_concat_item->args[i];
     if (!show_item->const_item())
     {
       Field *f= show_item->tmp_table_field();
-      uint offset= f->offset();
       char *sv= f->ptr;
-      f->ptr= (char *)key + offset;
+      f->ptr= (char *)key + f->abs_offset;
       String *res= f->val_str(&tmp,&tmp2);
       group_concat_item->result.append(*res);
       f->ptr= sv;
@@ -1595,9 +1595,14 @@ Item_func_group_concat::Item_func_group_concat(bool is_distinct,
 					       List<Item> *is_select,
 					       SQL_LIST *is_order,
 					       String *is_separator)
-  :Item_sum(), tmp_table_param(0), warning_available(false),
+  :Item_sum(), tmp_table_param(0), max_elements_in_tree(0), warning(0),
+   warning_available(0), key_length(0), rec_offset(0),
+   tree_mode(0), distinct(is_distinct), warning_for_row(0),
    separator(is_separator), tree(&tree_base), table(0),
-   count_cut_values(0), tree_mode(0), distinct(is_distinct)
+   order(0), tables_list(0), group_concat_max_len(0),
+   show_elements(0), arg_count_order(0), arg_count_field(0),
+   arg_show_fields(0), count_cut_values(0)
+   
 {
   original= 0;
   quick_group= 0;
@@ -1613,16 +1618,12 @@ Item_func_group_concat::Item_func_group_concat(bool is_distinct,
     We need to allocate:
     args - arg_count+arg_count_order (for possible order items in temporare 
            tables)
-    expr - arg_count_field
     order - arg_count_order
   */
-  args= (Item**) sql_alloc(sizeof(Item*)*(arg_count+arg_count_order+
-					  arg_count_field)+
+  args= (Item**) sql_alloc(sizeof(Item*)*(arg_count+arg_count_order)+
 			   sizeof(ORDER*)*arg_count_order);
   if (!args)
-    return;					// thd->fatal is set
-  expr= args;
-  expr+= arg_count+arg_count_order;
+    return;
 
   /* fill args items of show and sort */
   int i= 0;
@@ -1630,12 +1631,12 @@ Item_func_group_concat::Item_func_group_concat(bool is_distinct,
   Item *item_select;
 
   for ( ; (item_select= li++) ; i++)
-    args[i]= expr[i]= item_select;
+    args[i]= item_select;
 
   if (arg_count_order) 
   {
     i= 0;
-    order= (ORDER**)(expr + arg_count_field);
+    order= (ORDER**)(args + arg_count + arg_count_order);
     for (ORDER *order_item= (ORDER*) is_order->first;
                 order_item != NULL;
                 order_item= order_item->next)
@@ -1696,13 +1697,15 @@ bool Item_func_group_concat::reset()
 
 bool Item_func_group_concat::add()
 {
+  if (always_null)
+    return 0;
   copy_fields(tmp_table_param);
   copy_funcs(tmp_table_param->items_to_copy);
 
   bool record_is_null= TRUE;
   for (uint i= 0; i < arg_show_fields; i++)
   {
-    Item *show_item= expr[i];
+    Item *show_item= args[i];
     if (!show_item->const_item())
     {
       Field *f= show_item->tmp_table_field();
@@ -1718,13 +1721,13 @@ bool Item_func_group_concat::add()
   null_value= FALSE;
   if (tree_mode)
   {
-    if (!tree_insert(tree, table->record[0], 0,tree->custom_arg))
+    if (!tree_insert(tree, table->record[0] + rec_offset, 0, tree->custom_arg))
       return 1;
   }
   else
   {
     if (result.length() <= group_concat_max_len && !warning_for_row)
-      dump_leaf_key(table->record[0],1,
+      dump_leaf_key(table->record[0] + rec_offset, 1,
                     (Item_func_group_concat*)this);
   }
   return 0;
@@ -1757,12 +1760,6 @@ Item_func_group_concat::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref)
       return 1;
     maybe_null |= args[i]->maybe_null;
   }
-  for (i= 0 ; i < arg_count_field ; i++)
-  {
-    if (expr[i]->fix_fields(thd, tables, expr + i) || expr[i]->check_cols(1))
-      return 1;
-    maybe_null |= expr[i]->maybe_null;
-  }
   /*
     Fix fields for order clause in function:
     GROUP_CONCAT(expr,... ORDER BY col,... )
@@ -1796,6 +1793,7 @@ bool Item_func_group_concat::setup(THD *thd)
   /*
     all not constant fields are push to list and create temp table
   */ 
+  always_null= 0;
   for (uint i= 0; i < arg_count; i++)
   {
     Item *item= args[i];
@@ -1808,6 +1806,8 @@ bool Item_func_group_concat::setup(THD *thd)
 	always_null= 1;
     }
   }
+  if (always_null)
+    return 0;
         
   List<Item> all_fields(list);
   if (arg_count_order) 
@@ -1827,12 +1827,25 @@ bool Item_func_group_concat::setup(THD *thd)
     return 1;
   table->file->extra(HA_EXTRA_NO_ROWS);
   table->no_rows= 1;
-  qsort_cmp2 compare_key;
 
-  tree_mode= distinct || arg_count_order;
+
+  Field** field, **field_end;
+  field_end = (field = table->field) + table->fields;
+  uint offset = 0;
+  for (key_length = 0; field < field_end; ++field)
+  {
+    uint32 length= (*field)->pack_length();
+    (*field)->abs_offset= offset;
+    offset+= length;
+    key_length += length;
+  } 
+  rec_offset = table->reclength - key_length;
+
   /*
     choise function of sort
   */  
+  tree_mode= distinct || arg_count_order; 
+  qsort_cmp2 compare_key;
   if (tree_mode)
   {
     if (arg_count_order)
@@ -1856,9 +1869,9 @@ bool Item_func_group_concat::setup(THD *thd)
     */
     init_tree(tree, min(thd->variables.max_heap_table_size,
               thd->variables.sortbuff_size/16), 0,
-              table->reclength, compare_key, 0, NULL, (void*) this);
-    max_elements_in_tree= ((table->reclength) ? 
-           thd->variables.max_heap_table_size/table->reclength : 1);
+              key_length, compare_key, 0, NULL, (void*) this);
+    max_elements_in_tree= ((key_length) ? 
+           thd->variables.max_heap_table_size/key_length : 1);
   };
   item_thd= thd;
 
@@ -1909,3 +1922,6 @@ String* Item_func_group_concat::val_str(String* str)
   }
   return &result;
 }
+
+
+

sql/item_sum.h

@@ -644,13 +644,28 @@ class Item_func_group_concat : public Item_sum
   uint max_elements_in_tree;
   MYSQL_ERROR *warning;
   bool warning_available;
+  uint key_length;
+  int rec_offset;
+  bool tree_mode;
+  bool distinct;
+  bool warning_for_row;
+  bool always_null;
+
+  friend int group_concat_key_cmp_with_distinct(void* arg, byte* key1,
+					      byte* key2);
+  friend int group_concat_key_cmp_with_order(void* arg, byte* key1, byte* key2);
+  friend int group_concat_key_cmp_with_distinct_and_order(void* arg,
+							byte* key1,
+							byte* key2);
+  friend int dump_leaf_key(byte* key, uint32 count __attribute__((unused)),
+                  Item_func_group_concat *group_concat_item);
+
  public:
   String result;
   String *separator;
   TREE tree_base;
   TREE *tree;
   TABLE *table;
-  Item **expr;
   ORDER **order;
   TABLE_LIST *tables_list;
   ulong group_concat_max_len;
@@ -659,9 +674,6 @@ class Item_func_group_concat : public Item_sum
   uint arg_count_field;
   uint arg_show_fields;
   uint count_cut_values;
-  bool tree_mode, distinct;
-  bool warning_for_row;
-  bool always_null;
   /*
     Following is 0 normal object and pointer to original one for copy 
     (to correctly free resources)
@@ -677,10 +689,14 @@ class Item_func_group_concat : public Item_sum
      max_elements_in_tree(item.max_elements_in_tree),
      warning(item.warning),
      warning_available(item.warning_available),
+     key_length(item.key_length), 
+     rec_offset(item.rec_offset), 
+     tree_mode(0),
+     distinct(item.distinct),
+     warning_for_row(item.warning_for_row),
      separator(item.separator),
      tree(item.tree),
      table(item.table),
-     expr(item.expr),
      order(item.order),
      tables_list(item.tables_list),
      group_concat_max_len(item.group_concat_max_len),
@@ -689,9 +705,6 @@ class Item_func_group_concat : public Item_sum
      arg_count_field(item.arg_count_field),
      arg_show_fields(item.arg_show_fields),
      count_cut_values(item.count_cut_values),
-     tree_mode(0),
-     distinct(item.distinct),
-     warning_for_row(item.warning_for_row),
      original(&item)
     {
      quick_group = 0;

sql/sql_base.cc

@@ -2151,7 +2151,7 @@ int setup_conds(THD *thd,TABLE_LIST *tables,COND **conds)
   DBUG_ENTER("setup_conds");
   thd->set_query_id=1;
   
-  thd->cond_count= 0;
+  thd->lex.current_select->cond_count= 0;
   if (*conds)
   {
     thd->where="where clause";
@@ -2169,7 +2169,7 @@ int setup_conds(THD *thd,TABLE_LIST *tables,COND **conds)
       if (table->on_expr->fix_fields(thd, tables, &table->on_expr) ||
 	  table->on_expr->check_cols(1))
 	DBUG_RETURN(1);
-      thd->cond_count++;
+      thd->lex.current_select->cond_count++;
 
       /* If it's a normal join, add the ON/USING expression to the WHERE */
       if (!table->outer_join)
@@ -2215,7 +2215,7 @@ int setup_conds(THD *thd,TABLE_LIST *tables,COND **conds)
 	}
       }
       cond_and->used_tables_cache= t1->map | t2->map;
-      thd->cond_count+=cond_and->list.elements;
+      thd->lex.current_select->cond_count+=cond_and->list.elements;
       if (!table->outer_join)			// Not left join
       {
 	if (!(*conds=and_conds(*conds, cond_and)))

sql/sql_class.cc

@@ -107,7 +107,6 @@ THD::THD():user_time(0), is_fatal_error(0),
   slave_thread = 0;
   variables.pseudo_thread_id= 0;
   file_id = 0;
-  cond_count=0;
   warn_id= 0;
   db_charset= global_system_variables.character_set_database;
   mysys_var=0;

sql/sql_class.h

@@ -520,7 +520,7 @@ public:
   ulong      row_count;  // Row counter, mainly for errors and warnings
   long	     dbug_thread_id;
   pthread_t  real_id;
-  uint	     current_tablenr,tmp_table,cond_count;
+  uint	     current_tablenr,tmp_table;
   uint	     server_status,open_options;
   uint32     query_length;
   uint32     db_length;

sql/sql_lex.cc

@@ -967,6 +967,7 @@ void st_select_lex_node::init_query()
   linkage= UNSPECIFIED_TYPE;
   no_table_names_allowed= uncacheable= dependent= 0;
   ref_pointer_array= 0;
+  cond_count= 0;
 }
 
 void st_select_lex_node::init_select()

sql/sql_lex.h

@@ -207,6 +207,7 @@ public:
   Item **ref_pointer_array;
 
   uint select_items;    /* number of items in select_list */
+  uint cond_count;      /* number of arguments of and/or/xor in where/having */
   enum_parsing_place parsing_place; /* where we are parsing expression */
   bool with_sum_func;   /* sum function indicator */
   bool dependent;	/* dependent from outer select subselect */

sql/sql_select.cc

@@ -2170,7 +2170,8 @@ update_ref_and_keys(THD *thd, DYNAMIC_ARRAY *keyuse,JOIN_TAB *join_tab,
     KEY_FIELD *key_fields,*end;
 
     if (!(key_fields=(KEY_FIELD*)
-	  thd->alloc(sizeof(key_fields[0])*(thd->cond_count+1)*2)))
+	  thd->alloc(sizeof(key_fields[0])*
+		     (thd->lex.current_select->cond_count+1)*2)))
       return TRUE; /* purecov: inspected */
     and_level=0; end=key_fields;
     if (cond)