Split --review and --history

This commit is contained in:
Brian Fraser
2013-03-01 16:35:43 -03:00
parent 4b860cbd7b
commit 734deef881
8 changed files with 466 additions and 332 deletions

View File

@@ -107,78 +107,6 @@ sub new {
return bless $self, $class;
}
# Tell QueryReview object to also prepare to save values in the review history
# table.
sub set_history_options {
my ( $self, %args ) = @_;
foreach my $arg ( qw(table tbl_struct col_pat) ) {
die "I need a $arg argument" unless $args{$arg};
}
# Pick out columns, attributes and metrics that need to be stored in the
# table.
my @cols;
my @metrics;
foreach my $col ( @{$args{tbl_struct}->{cols}} ) {
my ( $attr, $metric ) = $col =~ m/$args{col_pat}/;
next unless $attr && $metric;
# TableParser lowercases the column names so, e.g., Query_time
# becomes query_time. We have to fix this so attribs in the event
# match keys in $self->{history_metrics}...
# If the attrib name has at least one _ then it's a multi-word
# attrib like Query_time or Lock_time, so the first letter should
# be uppercase. Else, it's a one-word attrib like ts, checksum
# or sample, so we leave it alone. Except Filesort which is yet
# another exception.
$attr = ucfirst $attr if $attr =~ m/_/;
$attr = 'Filesort' if $attr eq 'filesort';
$attr =~ s/^Qc_hit/QC_Hit/; # Qc_hit is really QC_Hit
$attr =~ s/^Innodb/InnoDB/g; # Innodb is really InnoDB
$attr =~ s/_io_/_IO_/g; # io is really IO
push @cols, $col;
push @metrics, [$attr, $metric];
}
my $sql = "REPLACE INTO $args{table}("
. join(', ',
map { $self->{quoter}->quote($_) } ('checksum', 'sample', @cols))
. ') VALUES (CONV(?, 16, 10), ?'
. (@cols ? ', ' : '') # issue 1265
. join(', ', map {
# ts_min and ts_max might be part of the PK, in which case they must
# not be NULL.
$_ eq 'ts_min' || $_ eq 'ts_max'
? "COALESCE(?, $self->{ts_default})"
: '?'
} @cols) . ')';
PTDEBUG && _d($sql);
$self->{history_sth} = $self->{dbh}->prepare($sql);
$self->{history_metrics} = \@metrics;
return;
}
# Save review history for a class of queries. The incoming data is a bunch
# of hashes. Each top-level key is an attribute name, and each second-level key
# is a metric name. Look at the test for more examples.
sub set_review_history {
my ( $self, $id, $sample, %data ) = @_;
# Need to transform ts->min/max into timestamps
foreach my $thing ( qw(min max) ) {
next unless defined $data{ts} && defined $data{ts}->{$thing};
$data{ts}->{$thing} = parse_timestamp($data{ts}->{$thing});
}
$self->{history_sth}->execute(
make_checksum($id),
$sample,
map { $data{$_->[0]}->{$_->[1]} } @{$self->{history_metrics}});
}
# Fetch information from the database about a query that's been reviewed.
sub get_review_info {
my ( $self, $id ) = @_;