Merge mysql.com:/Users/davi/mysql/bugs/34587-5.1

into  mysql.com:/Users/davi/mysql/mysql-5.1-runtime


sql/sql_view.cc:
  Auto merged

mysql-test/r/view.result

@@ -3720,6 +3720,16 @@ DROP VIEW v1;
 
 # -- End of test case for Bug#32538.
 
+drop view if exists a;
+drop procedure if exists p;
+create procedure p()
+begin
+declare continue handler for sqlexception begin end;
+create view a as select 1;
+end|
+call p();
+call p();
+drop procedure p;
 # -----------------------------------------------------------------
 # -- End of 5.1 tests.
 # -----------------------------------------------------------------

mysql-test/t/view.test

@@ -3601,6 +3601,26 @@ DROP VIEW v1;
 --echo # -- End of test case for Bug#32538.
 --echo
 
+#
+# Bug#34587 Creating a view inside a stored procedure leads to a server crash
+#
+
+--disable_warnings
+drop view if exists a;
+drop procedure if exists p;
+--enable_warnings
+
+delimiter |;
+create procedure p()
+begin
+  declare continue handler for sqlexception begin end;
+  create view a as select 1;
+end|
+delimiter ;|
+call p();
+call p();
+drop procedure p;
+
 ###########################################################################
 
 --echo # -----------------------------------------------------------------

sql/sql_lex.h

@@ -1513,10 +1513,8 @@ typedef struct st_lex : public Query_tables_list
   /* store original leaf_tables for INSERT SELECT and PS/SP */
   TABLE_LIST *leaf_tables_insert;
 
-  /** Start of SELECT of CREATE VIEW statement */
-  const char* create_view_select_start;
-  /** End of SELECT of CREATE VIEW statement */
-  const char* create_view_select_end;
+  /** SELECT of CREATE VIEW statement */
+  LEX_STRING create_view_select;
 
   /** Start of 'ON table', in trigger statements.  */
   const char* raw_trg_on_table_name_begin;

sql/sql_view.cc

@@ -237,7 +237,7 @@ bool mysql_create_view(THD *thd, TABLE_LIST *views,
 
   /* This is ensured in the parser. */
   DBUG_ASSERT(!lex->proc_list.first && !lex->result &&
-              !lex->param_list.elements && !lex->derived_tables);
+              !lex->param_list.elements);
 
   if (mode != VIEW_CREATE_NEW)
   {
@@ -718,11 +718,7 @@ static int mysql_register_view(THD *thd, TABLE_LIST *view,
   /* fill structure */
   view->select_stmt.str= view_query.c_ptr_safe();
   view->select_stmt.length= view_query.length();
-
-  view->source.str= (char*) thd->lex->create_view_select_start;
-  view->source.length= (thd->lex->create_view_select_end
-                        - thd->lex->create_view_select_start);
-  trim_whitespace(thd->charset(), & view->source);
+  view->source= thd->lex->create_view_select;
 
   view->file_version= 1;
   view->calc_md5(md5);

sql/sql_yacc.yy

@@ -12056,18 +12056,22 @@ view_select:
             lex->parsing_options.allows_select_into= FALSE;
             lex->parsing_options.allows_select_procedure= FALSE;
             lex->parsing_options.allows_derived= FALSE;
-            lex->create_view_select_start= lip->get_cpp_ptr();
+            lex->create_view_select.str= (char *) lip->get_cpp_ptr();
           }
           view_select_aux view_check_option
           {
             THD *thd= YYTHD;
             LEX *lex= Lex;
             Lex_input_stream *lip= thd->m_lip;
+            uint len= lip->get_cpp_ptr() - lex->create_view_select.str;
+            void *create_view_select= thd->memdup(lex->create_view_select.str, len);
+            lex->create_view_select.length= len;
+            lex->create_view_select.str= (char *) create_view_select;
+            trim_whitespace(thd->charset(), &lex->create_view_select);
             lex->parsing_options.allows_variable= TRUE;
             lex->parsing_options.allows_select_into= TRUE;
             lex->parsing_options.allows_select_procedure= TRUE;
             lex->parsing_options.allows_derived= TRUE;
-            lex->create_view_select_end= lip->get_cpp_ptr();
           }
         ;