Commit 4c3f3bd8 authored by unknown's avatar unknown
Browse files

Fix minimum value of query_prealloc_size to be the same as its default. (Bug #13334) 


mysql-test/r/variables.result:
  Add new results
mysql-test/t/variables.test:
  Add new regression test
sql/mysqld.cc:
  Fix minimum value of query_prealloc_size to be the same as its default.
parent a043cc53

mysql-test/r/variables.result

+5 −0
Original line number Diff line number Diff line
@@ -499,3 +499,8 @@ set names latin1; 
select @@have_innodb;

@@have_innodb

#

set @test = @@query_prealloc_size;

set @@query_prealloc_size = @test;

select @@query_prealloc_size = @test;

@@query_prealloc_size = @test

1

mysql-test/t/variables.test

+9 −1
Original line number Diff line number Diff line
@@ -388,7 +388,6 @@ set character_set_results=NULL; 
select ifnull(@@character_set_results,"really null");

set names latin1;



# End of 4.1 tests



#

# Bug #9613: @@have_innodb
@@ -396,3 +395,12 @@ set names latin1; 


--replace_column 1 #

select @@have_innodb;



#

# Bug #13334: query_prealloc_size default less than minimum

#

set @test = @@query_prealloc_size;

set @@query_prealloc_size = @test;

select @@query_prealloc_size = @test;



# End of 4.1 tests

sql/mysqld.cc

+2 −1
Original line number Diff line number Diff line
@@ -5280,7 +5280,8 @@ The minimum value for this variable is 4096.", 
   "Persistent buffer for query parsing and execution",

   (gptr*) &global_system_variables.query_prealloc_size,

   (gptr*) &max_system_variables.query_prealloc_size, 0, GET_ULONG,

   REQUIRED_ARG, QUERY_ALLOC_PREALLOC_SIZE, 16384, ~0L, 0, 1024, 0},

   REQUIRED_ARG, QUERY_ALLOC_PREALLOC_SIZE, QUERY_ALLOC_PREALLOC_SIZE,

   ~0L, 0, 1024, 0},

  {"range_alloc_block_size", OPT_RANGE_ALLOC_BLOCK_SIZE,

   "Allocation block size for storing ranges during optimization",

   (gptr*) &global_system_variables.range_alloc_block_size,