From 0ee69d7bb14d38557784e57711eb3574dbaba82f Mon Sep 17 00:00:00 2001
From: unknown <monty@mashka.mysql.fi>
Date: Thu, 21 Nov 2002 02:07:14 +0200
Subject: Automatic conversion from CHAR(length) to BLOB when length > 255 New
 operators MOD and DIV SELECT ... FROM DUAL TRUE = 1 and FALSE = 0

include/mysqld_error.h:
  New warning message
mysql-test/r/func_system.result:
  Added testing of new functions
mysql-test/r/func_test.result:
  Added testing of new functions
mysql-test/r/type_blob.result:
  Added testing of new functions
mysql-test/t/func_system.test:
  Added testing of new functions
mysql-test/t/func_test.test:
  Added testing of new functions
mysql-test/t/type_blob.test:
  Added testing of new functions
sql/item_func.cc:
  Added function DIV
sql/item_func.h:
  Added function DIV
sql/lex.h:
  New keywords
sql/share/czech/errmsg.txt:
  New warning message
sql/share/danish/errmsg.txt:
  New warning message
sql/share/dutch/errmsg.txt:
  New warning message
sql/share/english/errmsg.txt:
  New warning message
sql/share/estonian/errmsg.txt:
  New warning message
sql/share/french/errmsg.txt:
  New warning message
sql/share/german/errmsg.txt:
  New warning message
sql/share/greek/errmsg.txt:
  New warning message
sql/share/hungarian/errmsg.txt:
  New warning message
sql/share/italian/errmsg.txt:
  New warning message
sql/share/japanese/errmsg.txt:
  New warning message
sql/share/korean/errmsg.txt:
  New warning message
sql/share/norwegian-ny/errmsg.txt:
  New warning message
sql/share/norwegian/errmsg.txt:
  New warning message
sql/share/polish/errmsg.txt:
  New warning message
sql/share/portuguese/errmsg.txt:
  New warning message
sql/share/romanian/errmsg.txt:
  New warning message
sql/share/russian/errmsg.txt:
  New warning message
sql/share/serbian/errmsg.txt:
  New warning message
sql/share/slovak/errmsg.txt:
  New warning message
sql/share/spanish/errmsg.txt:
  New warning message
sql/share/swedish/errmsg.txt:
  New warning message
  Translated a lot of error messages
sql/share/ukrainian/errmsg.txt:
  New warning message
sql/sql_class.cc:
  Added support for warnings during parsing
sql/sql_class.h:
  Added support for warnings during parsing
sql/sql_error.cc:
  Added support for warnings during parsing
sql/sql_lex.cc:
  Fixed comment
sql/sql_parse.cc:
  Added automatic conversion from CHAR(length) to BLOB when length > 255
  Added support for BLOB(length)
sql/sql_yacc.yy:
  New operators MOD and DIV
  SELECT ... FROM DUAL
  TRUE = 1 and FALSE = 0
---
 sql/sql_error.cc | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

(limited to 'sql/sql_error.cc')

diff --git a/sql/sql_error.cc b/sql/sql_error.cc
index 3d6a0fa24aa..0740dc428f0 100644
--- a/sql/sql_error.cc
+++ b/sql/sql_error.cc
@@ -51,13 +51,22 @@ This file contains the implementation of error and warnings related
   SYNOPSIS
     mysql_reset_errors()
     thd			Thread handle
+
+  IMPLEMENTATION
+    Don't reset warnings if this has already been called for this query.
+    This may happen if one gets a warning during the parsing stage,
+    in which case push_warnings() has already called this function.
 */  
 
 void mysql_reset_errors(THD *thd)
 {
-  free_root(&thd->warn_root,MYF(0));
-  bzero((char*) thd->warn_count, sizeof(thd->warn_count));
-  thd->warn_list.empty();
+  if (thd->query_id != thd->warn_id)
+  {
+    thd->warn_id= thd->query_id;
+    free_root(&thd->warn_root,MYF(0));
+    bzero((char*) thd->warn_count, sizeof(thd->warn_count));
+    thd->warn_list.empty();
+  }
 }
 
 
@@ -75,6 +84,9 @@ void mysql_reset_errors(THD *thd)
 void push_warning(THD *thd, MYSQL_ERROR::enum_warning_level level, uint code,
 		  const char *msg)
 {
+  if (thd->query_id != thd->warn_id)
+    mysql_reset_errors(thd);
+
   if (thd->warn_list.elements < thd->variables.max_error_count)
   {
     /*
-- 
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