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truncating, inserting the same set of rows. When a table is re-created with the same set of rows, the data file size must not grow. rb:968 Approved by Marko.
52 lines
1.0 KiB
Plaintext
52 lines
1.0 KiB
Plaintext
# Bug 11766634 59783: InnoDB data grows unexpectedly when inserting,
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# truncating, inserting the same set of rows.
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#
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# Scenario:
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# create table t1. Insert $recs records. check size of ibdata1.
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# drop table t1. create table t1. Insert the same set of $recs
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# records. The size of ibdata1 must not increase.
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#
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-- source include/not_embedded.inc
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-- source include/have_innodb_plugin.inc
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create table t1 (f1 char(255)) engine innodb;
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let $MYSQLD_DATADIR=`select @@datadir`;
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let IBDATA1=$MYSQLD_DATADIR/ibdata1;
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let $recs = 36262;
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--disable_query_log
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let $c = $recs;
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while ($c)
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{
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insert into t1 values ('Hello World');
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dec $c;
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}
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--enable_query_log
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perl;
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my $filesize = -s $ENV{'IBDATA1'};
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print "ibdata1 size: $filesize bytes\n";
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EOF
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drop table t1;
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create table t1 (f1 char(255)) engine innodb;
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--disable_query_log
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let $c = $recs;
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while ($c)
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{
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insert into t1 values ('Hello World');
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dec $c;
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}
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--enable_query_log
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perl;
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my $filesize = -s $ENV{'IBDATA1'};
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print "ibdata1 size: $filesize bytes\n";
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EOF
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drop table t1;
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