Fixed wrong free in sql_view.cc

mysql-test-run now fails in case of warnings


mysql-test/lib/mtr_report.pl:
  Fail if find warnings
mysql-test/mysql-test-run.sh:
  Fail if find warnings
sql/sql_lex.cc:
  Initalize st_lex properly
sql/sql_view.cc:
  Fixed problem with unaligned memory (wrong free)

mysql-test/lib/mtr_report.pl

@@ -157,6 +157,7 @@ sub mtr_report_stats ($) {
   my $tot_passed= 0;
   my $tot_failed= 0;
   my $tot_tests=  0;
+  my $found_problems= 0;            # Some warnings are errors...
 
   foreach my $tinfo (@$tests)
   {
@@ -214,8 +215,6 @@ sub mtr_report_stats ($) {
     }
     else
     {
-      my $found_problems= 0;            # Some warnings are errors...
-
       # We report different types of problems in order
       foreach my $pattern ( "^Warning:", "^Error:", "^==.* at 0x" )
       {
@@ -266,6 +265,9 @@ sub mtr_report_stats ($) {
       }
     }
     print "\n";
+  }
+  if ( $tot_failed != 0 || $found_problems)
+  {
     mtr_error("there where failing test cases");
   }
 }

mysql-test/mysql-test-run.sh

@@ -199,6 +199,7 @@ TOT_SKIP=0
 TOT_PASS=0
 TOT_FAIL=0
 TOT_TEST=0
+GOT_WARNINGS=0
 USERT=0
 SYST=0
 REALT=0
@@ -1023,17 +1024,16 @@ report_stats () {
         | $SED -e 's!Warning:  Table:.* on rename!!g' \
         > $MY_LOG_DIR/warnings.tmp
 
-    found_error=0
     # Find errors
     for i in "^Warning:" "^Error:" "^==.* at 0x" "InnoDB: Warning"
     do
       if $GREP "$i" $MY_LOG_DIR/warnings.tmp >> $MY_LOG_DIR/warnings
       then
-        found_error=1
+        GOT_WARNINGS=1
       fi
     done
     $RM -f $MY_LOG_DIR/warnings.tmp
-    if [ $found_error = "1" ]
+    if [ $GOT_WARNINGS = "1" ]
     then
       echo "WARNING: Got errors/warnings while running tests. Please examine"
       echo "$MY_LOG_DIR/warnings for details."
@@ -2217,6 +2217,8 @@ if [ $TOT_FAIL -ne 0 ]; then
   $ECHO "mysql-test-run in $TEST_MODE mode: *** Failing the test(s):$FAILED_CASES"
   $ECHO
   exit 1
-else
-  exit 0
 fi
+if [ $GOT_WARNINGS -ne 0 ]; then
+  exit 1
+fi
+exit 0

sql/sql_lex.cc

@@ -191,8 +191,11 @@ void lex_start(THD *thd, uchar *buf,uint length)
 
 void lex_end(LEX *lex)
 {
+  DBUG_ENTER("lex_end");
+  DBUG_PRINT("enter", ("lex: 0x%lx", (long) lex));
   x_free(lex->yacc_yyss);
   x_free(lex->yacc_yyvs);
+  DBUG_VOID_RETURN;
 }
 
 
@@ -1626,7 +1629,8 @@ void st_select_lex::print_limit(THD *thd, String *str)
 */
 
 st_lex::st_lex()
-  :result(0), sql_command(SQLCOM_END), query_tables_own_last(0)
+  :result(0), yacc_yyss(0), yacc_yyvs(0),
+   sql_command(SQLCOM_END), query_tables_own_last(0)
 {
   hash_init(&sroutines, system_charset_info, 0, 0, 0, sp_sroutine_key, 0, 0);
   sroutines_list.empty();

sql/sql_view.cc

@@ -941,7 +941,6 @@ bool mysql_make_view(THD *thd, File_parser *parser, TABLE_LIST *table)
         goto err;
     }
 
-
     if (!(table->view_tables=
           (List<TABLE_LIST>*) new(thd->mem_root) List<TABLE_LIST>))
       goto err;
@@ -1192,14 +1191,16 @@ ok2:
     old_lex->time_zone_tables_used= thd->lex->time_zone_tables_used;
   result= !table->prelocking_placeholder && table->prepare_security(thd);
 
+  lex_end(thd->lex);
 end:
   if (arena)
     thd->restore_active_arena(arena, &backup);
-  lex_end(thd->lex);
   thd->lex= old_lex;
   DBUG_RETURN(result);
 
 err:
+  DBUG_ASSERT(thd->lex == table->view);
+  lex_end(thd->lex);
   delete table->view;
   table->view= 0;	// now it is not VIEW placeholder
   result= 1;