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# Copyright (C) 2008-2009 Sun Microsystems, Inc. All rights reserved.
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# Use is subject to license terms.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
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package GenTest::Transform::ExecuteAsWhereSubquery;
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@ISA = qw(GenTest GenTest::Transform);
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use GenTest::Transform;
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use GenTest::Constants;
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my ($class, $original_query, $executor, $original_result) = @_;
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return STATUS_WONT_HANDLE if $original_query !~ m{^\s*SELECT}sio
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|| $original_query =~ m{LIMIT}sio
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|| $original_query =~ m{(AVG|STD|STDDEV_POP|STDDEV_SAMP|STDDEV|SUM|VAR_POP|VAR_SAMP|VARIANCE)\s*\(}sio;
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return STATUS_WONT_HANDLE if $original_result->rows() == 0;
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# This transformation can not work if the result set contains NULLs
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foreach my $orig_row (@{$original_result->data()}) {
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foreach my $orig_col (@$orig_row) {
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return STATUS_WONT_HANDLE if $orig_col eq '';
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my $table_name = 'transforms.where_subselect_'.$$;
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"DROP TABLE IF EXISTS $table_name",
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"CREATE TABLE $table_name $original_query",
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"SELECT * FROM $table_name WHERE (".join(', ', map { "`$_`" } @{$original_result->columnNames()}).") IN ( $original_query ) /* TRANSFORM_OUTCOME_UNORDERED_MATCH */",
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"SELECT * FROM $table_name WHERE (".join(', ', map { "`$_`" } @{$original_result->columnNames()}).") NOT IN ( $original_query ) /* TRANSFORM_OUTCOME_EMPTY_RESULT */",
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"DROP TABLE $table_name",