Merge mysql.com:/usr/local/bk/mysql-5.0

into mysql.com:/home/pem/work/mysql-5.0


sql/sql_yacc.yy:
  Auto merged

mysql-test/r/sp-error.result

@@ -658,4 +658,17 @@ create procedure bug9529_9012345678901234567890123456789012345678901234567890123
 begin
 end|
 ERROR 42000: Identifier name 'bug9529_90123456789012345678901234567890123456789012345678901234567890' is too long
+drop procedure if exists bug10969|
+create procedure bug10969()
+begin
+declare s1 int default 0;
+select default(s1) from t30;
+end|
+ERROR 42000: Incorrect column name 's1'
+create procedure bug10969()
+begin
+declare s1 int default 0;
+select default(t30.s1) from t30;
+end|
+drop procedure bug10969|
 drop table t1|

mysql-test/r/sp.result

@@ -3109,4 +3109,33 @@ select bug9559()|
 bug9559()
 -3
 drop function bug9559|
+drop procedure if exists bug10961|
+create procedure bug10961()
+begin
+declare v char;
+declare x int;
+declare c cursor for select * from dual;
+declare continue handler for sqlexception select x;
+set x = 1;
+open c;
+set x = 2;
+fetch c into v;
+set x = 3;
+close c;
+end|
+call bug10961()|
+x
+1
+x
+2
+x
+3
+call bug10961()|
+x
+1
+x
+2
+x
+3
+drop procedure bug10961|
 drop table t1,t2;

mysql-test/t/sp-error.test

@@ -930,6 +930,29 @@ begin
 end|
 
 
+#
+# BUG#10969: Stored procedures: crash if default() function
+#
+--disable_warnings
+drop procedure if exists bug10969|
+--enable_warnings
+--error ER_WRONG_COLUMN_NAME
+create procedure bug10969()
+begin
+  declare s1 int default 0;
+  select default(s1) from t30;
+end|
+
+# This should work
+create procedure bug10969()
+begin
+  declare s1 int default 0;
+  select default(t30.s1) from t30;
+end|
+
+drop procedure bug10969|
+
+
 #
 # BUG#NNNN: New bug synopsis
 #

mysql-test/t/sp.test

@@ -3801,6 +3801,7 @@ call bug5963_2(1)|
 drop procedure bug5963_2|
 drop table t3|
 
+
 #
 # BUG#9559: Functions: Numeric Operations using -ve value gives incorrect
 #           results.
@@ -3820,6 +3821,34 @@ select bug9559()|
 drop function bug9559|
 
 
+#
+# BUG#10961: Stored procedures: crash if select * from dual
+#
+--disable_warnings
+drop procedure if exists bug10961|
+--enable_warnings
+# "select * from dual" results in an error, so the cursor will not open
+create procedure bug10961()
+begin
+  declare v char;
+  declare x int;
+  declare c cursor for select * from dual;
+  declare continue handler for sqlexception select x;
+
+  set x = 1;
+  open c;
+  set x = 2;
+  fetch c into v;
+  set x = 3;
+  close c;
+end|
+
+call bug10961()|
+call bug10961()|
+
+drop procedure bug10961|
+
+
 #
 # BUG#NNNN: New bug synopsis
 #

sql/item.h

@@ -584,6 +584,13 @@ class Item_splocal : public Item
     Item::maybe_null= TRUE;
   }
 
+  /* For error printing */
+  inline void my_name(char **strp, uint *lengthp)
+  {
+    *strp= m_name.str;
+    *lengthp= m_name.length;
+  }
+
   bool is_splocal() { return 1; } /* Needed for error checking */
 
   Item *this_item();

sql/protocol.h

@@ -159,8 +159,8 @@ class Protocol_cursor :public Protocol_simple
   MYSQL_ROWS **prev_record;
   ulong row_count;
 
-  Protocol_cursor() {}
-  Protocol_cursor(THD *thd_arg, MEM_ROOT *ini_alloc) :Protocol_simple(thd_arg), alloc(ini_alloc) {}
+  Protocol_cursor() :data(NULL) {}
+  Protocol_cursor(THD *thd_arg, MEM_ROOT *ini_alloc) :Protocol_simple(thd_arg), alloc(ini_alloc), data(NULL) {}
   bool prepare_for_send(List<Item> *item_list) 
   {
     row_count= 0;

sql/sp_head.cc

@@ -1913,7 +1913,19 @@ sp_instr_copen::execute(THD *thd, uint *nextp)
     else
       res= lex_keeper->reset_lex_and_exec_core(thd, nextp, FALSE, this);
 
-    c->post_open(thd, (lex_keeper ? TRUE : FALSE));
+    /*
+      Work around the fact that errors in selects are not returned properly
+      (but instead converted into a warning), so if a condition handler
+      caught, we have lost the result code.
+     */
+    if (!res)
+    {
+      uint dummy1, dummy2;
+
+      if (thd->spcont->found_handler(&dummy1, &dummy2))
+	res= -1;
+    }
+    c->post_open(thd, (lex_keeper && !res ? TRUE : FALSE));
   }
 
   DBUG_RETURN(res);

sql/sql_yacc.yy

@@ -4343,7 +4343,18 @@ simple_expr:
 	| CONVERT_SYM '(' expr USING charset_name ')'
 	  { $$= new Item_func_conv_charset($3,$5); }
 	| DEFAULT '(' simple_ident ')'
-	  { $$= new Item_default_value($3); }
+	  {
+	    if ($3->is_splocal())
+	    {
+	      LEX_STRING name;
+	      Item_splocal *il= static_cast<Item_splocal *>($3);
+
+	      il->my_name(&name.str, &name.length);
+	      my_error(ER_WRONG_COLUMN_NAME, MYF(0), name.str);
+	      YYABORT;
+	    }
+	    $$= new Item_default_value($3);
+	  }
 	| VALUES '(' simple_ident ')'
 	  { $$= new Item_insert_value($3); }
 	| FUNC_ARG0 '(' ')'