Merge magare.gmz:/home/kgeorge/mysql/work/mysql-5.0-opt

into  magare.gmz:/home/kgeorge/mysql/work/merge-5.1-opt

mysql-test/r/gis.result

@@ -958,6 +958,12 @@ COUNT(*)
 2
 DROP TABLE t1, t2;
 End of 5.0 tests
+create table `t1` (`col002` point)engine=myisam;
+insert into t1 values (),(),();
+select min(`col002`) from t1 union select `col002` from t1;
+min(`col002`)
+NULL
+drop table t1;
 End of 5.0 tests
 create table t1 (f1 tinyint(1), f2 char(1), f3 varchar(1), f4 geometry, f5 datetime);
 create view v1 as select * from t1;

mysql-test/r/outfile_loaddata.result

@@ -82,4 +82,22 @@ c1	c2
 -r-	=raker=
 DROP TABLE t2;
 DROP TABLE t1;
+#
+# Bug#32533: SELECT INTO OUTFILE never escapes multibyte character
+#
+CREATE TABLE t1 (c1 VARCHAR(256));
+INSERT INTO t1 VALUES (0xC3);
+SELECT HEX(c1) FROM t1;
+HEX(c1)
+C3
+SELECT * INTO OUTFILE 'MYSQLTEST_VARDIR/tmp/bug32533.txt' FIELDS ENCLOSED BY 0xC3 FROM t1;
+TRUNCATE t1;
+SELECT HEX(LOAD_FILE('MYSQLTEST_VARDIR/tmp/bug32533.txt'));
+HEX(LOAD_FILE('MYSQLTEST_VARDIR/tmp/bug32533.txt'))
+C35CC3C30A
+LOAD DATA INFILE 'MYSQLTEST_VARDIR/tmp/bug32533.txt' INTO TABLE t1 FIELDS ENCLOSED BY 0xC3;
+SELECT HEX(c1) FROM t1;
+HEX(c1)
+C3
+DROP TABLE t1;
 # End of 5.0 tests.

mysql-test/r/type_bit.result

@@ -672,6 +672,16 @@ COUNT(DISTINCT b,c)
 2
 2
 DROP TABLE t2;
+CREATE TABLE t1(a BIT(13), KEY(a));
+INSERT INTO t1(a) VALUES
+(65535),(65525),(65535),(65535),(65535),(65535),(65535),(65535),(65535),(65535);
+EXPLAIN SELECT 1 FROM t1 GROUP BY a;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	NULL	a	3	NULL	6	Using index for group-by
+SELECT 1 FROM t1 GROUP BY a;
+1
+1
+DROP TABLE t1;
 End of 5.0 tests
 create table t1(a bit(7));
 insert into t1 values(0x40);

mysql-test/r/type_blob.result

@@ -807,4 +807,18 @@ set @@sql_mode='TRADITIONAL';
 create table t1 (a text default '');
 ERROR 42000: BLOB/TEXT column 'a' can't have a default value
 set @@sql_mode='';
+CREATE TABLE t (c TEXT CHARSET ASCII);
+INSERT INTO t (c) VALUES (REPEAT('1',65537));
+Warnings:
+Warning	1265	Data truncated for column 'c' at row 1
+INSERT INTO t (c) VALUES (REPEAT('2',65536));
+Warnings:
+Warning	1265	Data truncated for column 'c' at row 1
+INSERT INTO t (c) VALUES (REPEAT('3',65535));
+SELECT LENGTH(c), CHAR_LENGTH(c) FROM t;
+LENGTH(c)	CHAR_LENGTH(c)
+65535	65535
+65535	65535
+65535	65535
+DROP TABLE t;
 End of 5.0 tests

mysql-test/t/gis.test

@@ -632,6 +632,15 @@ SELECT 1;
 
 -- source include/gis_keys.inc
 
+#
+# Bug #31155 gis types in union'd select cause crash
+#
+
+create table `t1` (`col002` point)engine=myisam;
+insert into t1 values (),(),();
+select min(`col002`) from t1 union select `col002` from t1;
+drop table t1;
+
 --echo End of 5.0 tests
 
 

mysql-test/t/outfile_loaddata.test

@@ -86,4 +86,28 @@ DROP TABLE t2;
 
 DROP TABLE t1;
 
+--echo #
+--echo # Bug#32533: SELECT INTO OUTFILE never escapes multibyte character
+--echo #
+
+CREATE TABLE t1 (c1 VARCHAR(256));
+INSERT INTO t1 VALUES (0xC3);
+SELECT HEX(c1) FROM t1;
+
+--let $file=$MYSQLTEST_VARDIR/tmp/bug32533.txt
+
+--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
+--eval SELECT * INTO OUTFILE '$file' FIELDS ENCLOSED BY 0xC3 FROM t1
+TRUNCATE t1;
+
+--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
+--eval SELECT HEX(LOAD_FILE('$file'))
+
+--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
+--eval LOAD DATA INFILE '$file' INTO TABLE t1 FIELDS ENCLOSED BY 0xC3
+SELECT HEX(c1) FROM t1;
+
+--remove_file $file
+DROP TABLE t1;
+
 --echo # End of 5.0 tests.

mysql-test/t/subselect.test

@@ -2987,6 +2987,100 @@ SELECT (SELECT SUM(t1.a) FROM t2 WHERE a!=0) FROM t1;
 SELECT (SELECT SUM(t1.a) FROM t2 WHERE a=1) FROM t1;
 DROP TABLE t1,t2;
 
+#
+# Bug31048: Many nested subqueries may cause server crash.
+#
+create table t1(a int,b int,key(a),key(b));
+insert into t1(a,b) values (1,2),(2,1),(2,3),(3,4),(5,4),(5,5),
+  (6,7),(7,4),(5,3);
+# test for the stack overflow bug
+select sum(a),a from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1
+  )group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1) 
+group by a;
+--replace_regex /overrun.*$/overrun detected/
+--error 1436
+select sum(a),a from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1) 
+group by a;
+# test for the memory consumption & subquery slowness bug
+explain select sum(a),a from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 
+  )group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1) 
+group by a;
+--replace_regex /overrun.*$/overrun detected/
+--error 1436
+explain select sum(a),a from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 where a> ( select sum(a) from t1 where a> (
+  select sum(a) from t1 
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1
+  )group by b limit 1)group by b limit 1)group by b limit 1) 
+group by a;
+drop table t1;
+
 #
 # Bug #31884: Assertion + crash in subquery in the SELECT clause.
 #

mysql-test/t/type_bit.test

@@ -318,6 +318,21 @@ INSERT INTO t2 VALUES (3, 2, 'two'), (2, 3, 'three'), (2, 0, 'zero'),
 SELECT COUNT(DISTINCT b,c) FROM t2 GROUP BY a;
 DROP TABLE t2;
 
+#
+# BUG#32556 assert in "using index for group-by" : is_last_prefix <= 0,
+#           file .\opt_range.cc
+
+CREATE TABLE t1(a BIT(13), KEY(a));
+--disable_warnings
+INSERT INTO t1(a) VALUES
+(65535),(65525),(65535),(65535),(65535),(65535),(65535),(65535),(65535),(65535);
+--enable_warnings
+
+EXPLAIN SELECT 1 FROM t1 GROUP BY a;
+SELECT 1 FROM t1 GROUP BY a;
+
+DROP TABLE t1;
+
 --echo End of 5.0 tests
 
 #

mysql-test/t/type_blob.test

@@ -436,4 +436,15 @@ set @@sql_mode='TRADITIONAL';
 create table t1 (a text default '');
 set @@sql_mode='';
 
+#
+# Bug #32282: TEXT silently truncates when value is exactly 65536 bytes
+#
+
+CREATE TABLE t (c TEXT CHARSET ASCII);
+INSERT INTO t (c) VALUES (REPEAT('1',65537));
+INSERT INTO t (c) VALUES (REPEAT('2',65536));
+INSERT INTO t (c) VALUES (REPEAT('3',65535));
+SELECT LENGTH(c), CHAR_LENGTH(c) FROM t;
+DROP TABLE t;
+
 --echo End of 5.0 tests

sql/item_subselect.cc

@@ -1843,7 +1843,9 @@ int subselect_single_select_engine::exec()
       DBUG_RETURN(1);
     }
   }
-  if (select_lex->uncacheable && executed)
+  if (select_lex->uncacheable &&
+      select_lex->uncacheable != UNCACHEABLE_EXPLAIN
+      && executed)
   {
     if (join->reinit())
     {

sql/key.cc

@@ -127,19 +127,6 @@ void key_copy(uchar *to_key, uchar *from_record, KEY *key_info,
 		   key_part->null_bit);
       key_length--;
     }
-    if (key_part->type == HA_KEYTYPE_BIT)
-    {
-      Field_bit *field= (Field_bit *) (key_part->field);
-      if (field->bit_len)
-      {
-        uchar bits= get_rec_bits(from_record +
-                                 key_part->null_offset +
-                                 (key_part->null_bit == 128),
-                                 field->bit_ofs, field->bit_len);
-        *to_key++= bits;
-        key_length--;
-      }
-    }
     if (key_part->key_part_flag & HA_BLOB_PART ||
         key_part->key_part_flag & HA_VAR_LENGTH_PART)
     {

sql/opt_range.cc

@@ -2161,12 +2161,18 @@ int SQL_SELECT::test_quick_select(THD *thd, key_map keys_to_use,
   keys_to_use.intersect(head->keys_in_use_for_query);
   if (!keys_to_use.is_clear_all())
   {
+#ifndef EMBEDDED_LIBRARY                      // Avoid compiler warning
+    char buff[STACK_BUFF_ALLOC];
+#endif
     MEM_ROOT alloc;
     SEL_TREE *tree= NULL;
     KEY_PART *key_parts;
     KEY *key_info;
     PARAM param;
 
+    if (check_stack_overrun(thd, 2*STACK_MIN_SIZE, buff))
+      DBUG_RETURN(0);                           // Fatal error flag is set
+
     /* set up parameter that is passed to all functions */
     param.thd= thd;
     param.baseflag= head->file->ha_table_flags();

sql/sql_class.cc

@@ -1579,16 +1579,18 @@ select_export::prepare(List<Item> &list, SELECT_LEX_UNIT *u)
     }
   }
   field_term_length=exchange->field_term->length();
-  field_term_char= field_term_length ? (*exchange->field_term)[0] : INT_MAX;
+  field_term_char= field_term_length ?
+                   (int) (uchar) (*exchange->field_term)[0] : INT_MAX;
   if (!exchange->line_term->length())
     exchange->line_term=exchange->field_term;	// Use this if it exists
-  field_sep_char= (exchange->enclosed->length() ? (*exchange->enclosed)[0] :
-                   field_term_char);
-  escape_char=	(exchange->escaped->length() ? (*exchange->escaped)[0] : -1);
+  field_sep_char= (exchange->enclosed->length() ?
+                  (int) (uchar) (*exchange->enclosed)[0] : field_term_char);
+  escape_char=	(exchange->escaped->length() ?
+                (int) (uchar) (*exchange->escaped)[0] : -1);
   is_ambiguous_field_sep= test(strchr(ESCAPE_CHARS, field_sep_char));
   is_unsafe_field_sep= test(strchr(NUMERIC_CHARS, field_sep_char));
   line_sep_char= (exchange->line_term->length() ?
-		  (*exchange->line_term)[0] : INT_MAX);
+                 (int) (uchar) (*exchange->line_term)[0] : INT_MAX);
   if (!field_term_length)
     exchange->opt_enclosed=0;
   if (!exchange->enclosed->length())
@@ -1745,10 +1747,11 @@ bool select_export::send_data(List<Item> &items)
                Don't escape field_term_char by doubling - doubling is only
                valid for ENCLOSED BY characters:
               */
-              (enclosed || !is_ambiguous_field_term || *pos != field_term_char))
+              (enclosed || !is_ambiguous_field_term ||
+               (int) (uchar) *pos != field_term_char))
           {
 	    char tmp_buff[2];
-            tmp_buff[0]= ((int) *pos == field_sep_char &&
+            tmp_buff[0]= ((int) (uchar) *pos == field_sep_char &&
                           is_ambiguous_field_sep) ?
                           field_sep_char : escape_char;
 	    tmp_buff[1]= *pos ? *pos : '0';

sql/sql_class.h

@@ -2157,14 +2157,13 @@ class select_insert :public select_result_interceptor {
   ulonglong autoinc_value_of_last_inserted_row; // autogenerated or not
   COPY_INFO info;
   bool insert_into_view;
-  bool is_bulk_insert_mode;
   select_insert(TABLE_LIST *table_list_par,
 		TABLE *table_par, List<Item> *fields_par,
 		List<Item> *update_fields, List<Item> *update_values,
 		enum_duplicates duplic, bool ignore);
   ~select_insert();
   int prepare(List<Item> &list, SELECT_LEX_UNIT *u);
-  int prepare2(void);
+  virtual int prepare2(void);
   bool send_data(List<Item> &items);
   virtual void store_values(List<Item> &values);
   virtual bool can_rollback_data() { return 0; }
@@ -2212,6 +2211,7 @@ class select_create: public select_insert {
   // Needed for access from local class MY_HOOKS in prepare(), since thd is proteted.
   const THD *get_thd(void) { return thd; }
   const HA_CREATE_INFO *get_create_info() { return create_info; };
+  int prepare2(void) { return 0; }
 };
 
 #include <myisam.h>

sql/sql_insert.cc

@@ -2789,8 +2789,7 @@ select_insert::select_insert(TABLE_LIST *table_list_par, TABLE *table_par,
                              bool ignore_check_option_errors)
   :table_list(table_list_par), table(table_par), fields(fields_par),
    autoinc_value_of_last_inserted_row(0),
-   insert_into_view(table_list_par && table_list_par->view != 0),
-   is_bulk_insert_mode(FALSE)
+   insert_into_view(table_list_par && table_list_par->view != 0)
 {
   bzero((char*) &info,sizeof(info));
   info.handle_duplicates= duplic;
@@ -2903,14 +2902,14 @@ select_insert::prepare(List<Item> &values, SELECT_LEX_UNIT *u)
     Is table which we are changing used somewhere in other parts of
     query
   */
-  if (!(lex->current_select->options & OPTION_BUFFER_RESULT) &&
-      unique_table(thd, table_list, table_list->next_global, 0))
+  if (unique_table(thd, table_list, table_list->next_global, 0))
   {
     /* Using same table for INSERT and SELECT */
     lex->current_select->options|= OPTION_BUFFER_RESULT;
     lex->current_select->join->select_options|= OPTION_BUFFER_RESULT;
   }
-  else if (!thd->prelocked_mode)
+  else if (!(lex->current_select->options & OPTION_BUFFER_RESULT) &&
+           !thd->prelocked_mode)
   {
     /*
       We must not yet prepare the result table if it is the same as one of the 
@@ -2976,11 +2975,8 @@ int select_insert::prepare2(void)
 {
   DBUG_ENTER("select_insert::prepare2");
   if (thd->lex->current_select->options & OPTION_BUFFER_RESULT &&
-      !thd->prelocked_mode && !is_bulk_insert_mode)
-  {
+      !thd->prelocked_mode)
     table->file->ha_start_bulk_insert((ha_rows) 0);
-    is_bulk_insert_mode= TRUE;
-  }
   DBUG_RETURN(0);
 }
 
@@ -3099,7 +3095,6 @@ bool select_insert::send_eof()
                        trans_table, table->file->table_type()));
 
   error= (!thd->prelocked_mode) ? table->file->ha_end_bulk_insert():0;
-  is_bulk_insert_mode= FALSE;
   table->file->extra(HA_EXTRA_NO_IGNORE_DUP_KEY);
   table->file->extra(HA_EXTRA_WRITE_CANNOT_REPLACE);
 
@@ -3550,10 +3545,7 @@ select_create::prepare(List<Item> &values, SELECT_LEX_UNIT *u)
   if (info.handle_duplicates == DUP_UPDATE)
     table->file->extra(HA_EXTRA_INSERT_WITH_UPDATE);
   if (!thd->prelocked_mode)
-  {
     table->file->ha_start_bulk_insert((ha_rows) 0);
-    is_bulk_insert_mode= TRUE;
-  }
   thd->abort_on_warning= (!info.ignore &&
                           (thd->variables.sql_mode &
                            (MODE_STRICT_TRANS_TABLES |

sql/sql_select.cc

@@ -2366,6 +2366,11 @@ static ha_rows get_quick_record_count(THD *thd, SQL_SELECT *select,
 {
   int error;
   DBUG_ENTER("get_quick_record_count");
+#ifndef EMBEDDED_LIBRARY                      // Avoid compiler warning
+  char buff[STACK_BUFF_ALLOC];
+#endif
+  if (check_stack_overrun(thd, STACK_MIN_SIZE, buff))
+    DBUG_RETURN(0);                           // Fatal error flag is set
   if (select)
   {
     select->head=table;

sql/sql_string.cc

@@ -846,7 +846,7 @@ copy_and_convert(char *to, uint32 to_length, CHARSET_INFO *to_cs,
   with optional left padding (for binary -> UCS2 conversion)
   
   SYNOPSIS
-    well_formed_copy_nhars()
+    well_formed_copy_nchars()
     to			     Store result here
     to_length                Maxinum length of "to" string
     to_cs		     Character set of "to" string
@@ -983,7 +983,10 @@ well_formed_copy_nchars(CHARSET_INFO *to_cs,
         goto outp;
       }
       else
+      {
+        from= from_prev;
         break;
+      }
     }
     *from_end_pos= from;
     res= to - to_start;