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Some fixes for ANSI SQL quotes

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This commit is contained in:
Baron Schwartz
2012-06-07 14:53:47 -04:00
parent db8f834164
commit 8e9dfeec68
5 changed files with 44 additions and 23 deletions
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5
lib/TableParser.pm
View File

@@ -412,7 +412,8 @@ sub get_keys {
# will report its index as USING HASH even when this is not supported.
# The true type should be BTREE. See
# http://bugs.mysql.com/bug.php?id=22632
if ( $engine !~ m/MEMORY|HEAP/ ) {
# If ANSI quoting is in effect, we may not know the engine at all.
if ( !$engine || $engine !~ m/MEMORY|HEAP/ ) {
$key =~ s/USING HASH/USING BTREE/;
}
@@ -454,7 +455,7 @@ sub get_keys {
};
# Find clustered key (issue 295).
if ( $engine =~ m/InnoDB/i && !$clustered_key ) {
if ( ($engine || '') =~ m/InnoDB/i && !$clustered_key ) {
my $this_key = $keys->{$name};
if ( $this_key->{name} eq 'PRIMARY' ) {
$clustered_key = 'PRIMARY';

2
lib/TableSyncChunk.pm
View File

@@ -182,7 +182,7 @@ sub set_checksum_queries {
sub prepare_sync_cycle {
my ( $self, $host ) = @_;
my $sql = 'SET @crc := "", @cnt := 0';
my $sql = q{SET @crc := '', @cnt := 0};
PTDEBUG && _d($sql);
$host->{dbh}->do($sql);
return;

2
lib/TableSyncNibble.pm
View File

@@ -182,7 +182,7 @@ sub set_checksum_queries {
sub prepare_sync_cycle {
my ( $self, $host ) = @_;
my $sql = 'SET @crc := "", @cnt := 0';
my $sql = q{SET @crc := '', @cnt := 0};
PTDEBUG && _d($sql);
$host->{dbh}->do($sql);
return;

22
lib/TableUsage.pm
View File

@@ -870,7 +870,27 @@ sub _explain_query {
. "Message: " . ($warning->{message} || "") . "\n";
}
return $warning->{message};
return $self->ansi_to_legacy($warning->{message});
}
# Translates ANSI quoting into legacy backtick-quoting.
# TODO: use TableParser::ansi_to_legacy instead (this code is copy/paste)
my $ansi_quote_re = qr/" [^"]* (?: "" [^"]* )* (?<=.) "/ismx;
sub ansi_to_legacy {
my ($self, $sql) = @_;
$sql =~ s/($ansi_quote_re)/ansi_quote_replace($1)/ge;
return $sql;
}
# Translates a single string from ANSI quoting into legacy quoting by
# un-doubling embedded double-double quotes, doubling backticks, and replacing
# the delimiters. TODO: this is a copy-paste of TableParser.pm's code
sub ansi_quote_replace {
my ($val) = @_;
$val =~ s/^"|"$//g;
$val =~ s/`/``/g;
$val =~ s/""/"/g;
return "`$val`";
}
sub _get_tables {

36
t/pt-table-checksum/samples/issue_602.sql
View File

@@ -7,16 +7,16 @@ create table t (
b datetime not null,
key (b)
);
insert into t VALUES (1, "2010-05-09 00:00:00");
insert into t VALUES (2, "2010-05-08 00:00:00");
insert into t VALUES (3, "2010-05-07 00:00:00");
insert into t VALUES (4, "2010-05-06 00:00:00");
insert into t VALUES (5, "2010-05-05 00:00:00");
insert into t VALUES (6, "2010-05-04 00:00:00");
insert into t VALUES (7, "2010-05-03 00:00:00");
insert into t VALUES (8, "2010-05-02 00:00:00");
insert into t VALUES (9, "2010-05-01 00:00:00");
insert into t VALUES (10, "2010-04-30 00:00:00");
insert into t VALUES (1, '2010-05-09 00:00:00');
insert into t VALUES (2, '2010-05-08 00:00:00');
insert into t VALUES (3, '2010-05-07 00:00:00');
insert into t VALUES (4, '2010-05-06 00:00:00');
insert into t VALUES (5, '2010-05-05 00:00:00');
insert into t VALUES (6, '2010-05-04 00:00:00');
insert into t VALUES (7, '2010-05-03 00:00:00');
insert into t VALUES (8, '2010-05-02 00:00:00');
insert into t VALUES (9, '2010-05-01 00:00:00');
insert into t VALUES (10, '2010-04-30 00:00:00');
-- invalid datetime
insert into t VALUES (11, '2010-00-09 00:00:00' );
@@ -29,11 +29,11 @@ create table t2 (
b datetime not null,
key (b)
);
insert into t2 VALUES (1, "2010-00-01 00:00:01");
insert into t2 VALUES (2, "2010-00-02 00:00:02");
insert into t2 VALUES (3, "2010-00-03 00:00:03");
insert into t2 VALUES (4, "2010-00-04 00:00:04");
insert into t2 VALUES (5, "2010-00-05 00:00:05");
insert into t2 VALUES (6, "2010-00-06 00:00:06");
insert into t2 VALUES (7, "2010-01-07 00:00:07");
insert into t2 VALUES (7, "2010-01-08 00:00:08");
insert into t2 VALUES (1, '2010-00-01 00:00:01');
insert into t2 VALUES (2, '2010-00-02 00:00:02');
insert into t2 VALUES (3, '2010-00-03 00:00:03');
insert into t2 VALUES (4, '2010-00-04 00:00:04');
insert into t2 VALUES (5, '2010-00-05 00:00:05');
insert into t2 VALUES (6, '2010-00-06 00:00:06');
insert into t2 VALUES (7, '2010-01-07 00:00:07');
insert into t2 VALUES (7, '2010-01-08 00:00:08');