Bug #28846 Use of undocumented Prepared Statements crashes server

- Manual merge patch.

Bug #28846 Use of undocumented Prepared Statements crashes server
- Manual merge patch.
0edfc739 · thek@adventure.(none) · 3d7bc219 · 0edfc739
Commit 0edfc739 authored Jun 22, 2007 by thek@adventure.(none)
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sql/sql_yacc.yy sql/sql_yacc.yy +6 -0

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--- a/sql/sql_yacc.yy
+++ b/sql/sql_yacc.yy
@@ -5187,6 +5187,12 @@ alter:
          */
          {
            LEX *lex= Lex;
+            if (lex->sphead)
+            {
+              my_error(ER_SP_BADSTATEMENT, MYF(0), "ALTER VIEW");
+              MYSQL_YYABORT;
+            }
            lex->create_view_algorithm= VIEW_ALGORITHM_UNDEFINED;
 	    lex->create_view_mode= VIEW_ALTER;
 	  }