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added option to handle checksum of tables with binary keys

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This commit is contained in:
Frank Cizmich
2015-02-18 14:13:09 -02:00
parent 16a7ffa6f9
commit 8d7c749e16
1 changed files with 33 additions and 0 deletions
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33
bin/pt-table-checksum
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@@ -10867,6 +10867,7 @@ sub check_repl_table {
}
}
# USE the correct db (probably the repl db, but maybe --replicate-database).
use_repl_db(%args);
@@ -10888,6 +10889,7 @@ sub check_repl_table {
. "You need to create the table.\n";
}
# We used to check the table privs here, but:
# https://bugs.launchpad.net/percona-toolkit/+bug/916168
@@ -10974,6 +10976,21 @@ sub check_repl_table {
}
}
if ( $o->get('binary-key') ) {
PTDEBUG && _d('--binary-key : checking if replicate table has binary type columns');
my $create_table = $tp->get_create_table( $dbh, $db, $tbl );
if ( $create_table !~ /lower_boundary`?\s+blob/si
|| $create_table !~ /upper_boundary`?\s+blob/si )
{
die "--binary-key was specified but current replicate table "
. "has text datatype boundary columns.\n"
. "You need to drop the current table and recreate it using "
. "both --create-replicate-table and --binary-key\n"
. "Alternatively you can manually create the replicate table "
. "as specified in the docs. See --binary-key usage\n";
}
}
return; # success, repl table is ready to go
}
@@ -11132,6 +11149,10 @@ sub create_repl_table {
my $sql = $o->read_para_after(__FILE__, qr/MAGIC_create_replicate/);
$sql =~ s/CREATE TABLE checksums/CREATE TABLE IF NOT EXISTS $repl_table/;
$sql =~ s/;$//;
if ( $o->get('binary-key') ) {
$sql =~ s/`?lower_boundary`?\s+text/`lower_boundary` blob/s;
$sql =~ s/`?upper_boundary`?\s+text/`upper_boundary` blob/s;
}
PTDEBUG && _d($dbh, $sql);
eval {
$dbh->do($sql);
@@ -11808,6 +11829,15 @@ Check that the C<binlog_format> is the same on all servers.
See "Replicas using row-based replication" under L<"LIMITATIONS">.
=item --binary-key
This option modifies the behavior of L<"--create-replicate-table"> such that the
replicate table's upper and lower boundary columns are created with binary (blob)
datatype.
This is useful in cases where you have trouble checksuming tables with keys that
include a binary datatype or that have non-standard character sets.
See L<"--replicate">.
=item --check-interval
type: time; default: 1; group: Throttle
@@ -12358,6 +12388,9 @@ structure (MAGIC_create_replicate):
INDEX ts_db_tbl (ts, db, tbl)
) ENGINE=InnoDB;
Note: lower_boundary and upper_boundary datatype can also be set to blob.
See L<"--binary-key">
By default, L<"--[no]create-replicate-table"> is true, so the database and
the table specified by this option are created automatically if they do not
exist.