bk commit into 4.1 tree (msvensson:1.2136) BUG#9072

[msvensson]

Below is the list of changes that have just been committed into a local
4.1 repository of msvensson. When msvensson does a push these changes will
be propagated to the main repository and, within 24 hours after the
push, to the public repository.
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see http://dev.mysql.com/doc/mysql/en/installing-source-tree.html

ChangeSet
  1.2136 05/03/21 11:07:31 msvensson@neptunus.(none) +3 -0
  BUG#9072 'Max_error_count' system variable cannot be set to zero
   - Chaned min value in mysqld.cc
   - Added testcase to warnings.test

  sql/mysqld.cc
    1.561 05/03/21 11:07:28 msvensson@neptunus.(none) +1 -1
    Change min value of max_error_count from 1 to 0

  mysql-test/t/warnings.test
    1.19 05/03/21 11:07:28 msvensson@neptunus.(none) +13 -0
    Added testcase for testing max and min value of max_error_count

  mysql-test/r/warnings.result
    1.29 05/03/21 11:07:28 msvensson@neptunus.(none) +19 -0
    Added testcase for testing max and min value of max_error_count

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	msvensson
# Host:	neptunus.(none)
# Root:	/home/msvensson/mysql/mysql-4.1

--- 1.560/sql/mysqld.cc	2005-03-09 13:41:50 +01:00
+++ 1.561/sql/mysqld.cc	2005-03-21 11:07:28 +01:00
@@ -5053,7 +5053,7 @@
    "Max number of errors/warnings to store for a statement.",
    (gptr*) &global_system_variables.max_error_count,
    (gptr*) &max_system_variables.max_error_count,
-   0, GET_ULONG, REQUIRED_ARG, DEFAULT_ERROR_COUNT, 1, 65535, 0, 1, 0},
+   0, GET_ULONG, REQUIRED_ARG, DEFAULT_ERROR_COUNT, 0, 65535, 0, 1, 0},
   {"max_heap_table_size", OPT_MAX_HEP_TABLE_SIZE,
    "Don't allow creation of heap tables bigger than this.",
    (gptr*) &global_system_variables.max_heap_table_size,

--- 1.18/mysql-test/t/warnings.test	2005-02-23 18:18:15 +01:00
+++ 1.19/mysql-test/t/warnings.test	2005-03-21 11:07:28 +01:00
@@ -97,6 +97,19 @@
 select @@warning_count;
 --enable_ps_protocol
 
+# Bug#9072
+set max_error_count=0;
+show variables like 'max_error_count';
+update t1 set b='hi';
+--disable_ps_protocol
+select @@warning_count;
+--enable_ps_protocol
+show warnings;
+set max_error_count=65535;
+show variables like 'max_error_count';
+set max_error_count=10;
+show variables like 'max_error_count';
+
 #
 # Test for handler type
 #

--- 1.28/mysql-test/r/warnings.result	2005-02-23 18:18:15 +01:00
+++ 1.29/mysql-test/r/warnings.result	2005-03-21 11:07:28 +01:00
@@ -142,6 +142,25 @@
 select @@warning_count;
 @@warning_count
 50
+set max_error_count=0;
+show variables like 'max_error_count';
+Variable_name	Value
+max_error_count	0
+update t1 set b='hi';
+Warnings:
+select @@warning_count;
+@@warning_count
+50
+show warnings;
+Level	Code	Message
+set max_error_count=65535;
+show variables like 'max_error_count';
+Variable_name	Value
+max_error_count	65535
+set max_error_count=10;
+show variables like 'max_error_count';
+Variable_name	Value
+max_error_count	10
 drop table t1;
 create table t1 (id int) engine=isam;
 Warnings: