39 lines
1.6 KiB
Plaintext
39 lines
1.6 KiB
Plaintext
# Copyright (C) 2008 Sun Microsystems, Inc. All rights reserved. Use
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# is subject to license terms.
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#
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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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#
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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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#
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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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# USA
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query_init:
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{ $global->set("count",0) } SHOW TABLES ;
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query:
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{ $global->set("count",$global->get("count")+1); $stack->push(); $stack->set("arg","LEFT"); } SELECT * from join { $stack->pop(undef) } |
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{ $global->set("count",$global->get("count")+1); $stack->push(); $stack->set("arg","RIGHT"); } SELECT * from join { $stack->pop(undef) } ;
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join:
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{ $stack->push() }
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table_or_join
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{ $stack->set("left",$stack->get("result")); }
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{ $stack->get("arg") } JOIN
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table_or_join
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ON
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{ $prng->arrayElement($stack->get("left")).".col = ".$prng->arrayElement($stack->get("result")).".col" }
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{ $stack->pop([keys %{{map {$_=>1} (@{$stack->get("left")},@{$stack->get("result")})}}]) } ;
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table_or_join:
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table | table | join ;
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table:
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{ $stack->push(); my $x = "s".$global->get("count").".t".$prng->digit(); $stack->pop([$x]); $x } ;
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