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use lib 't';
BEGIN {
# to handle systems with no installed Test module
# we include the t dir (where a copy of Test.pm is located)
# as a fallback
eval { require Test; };
use Test;
plan tests => 1;
}
use DBIx::DBIStag;
use Data::Stag;
use FileHandle;
use Parse::RecDescent;
$::RD_AUTOACTION = q { [@item] };
#$::RD_TRACE = 1;
my $parser = Parse::RecDescent->new(selectgrammar());
#my $x =
# $parser->selectstmt(q[
# SELECT DISTINCT a, b, count(c) AS nn FROM (p NATURAL JOIN q) INNER JOIN y ON (x.a=y.b AND c=d AND f like y) WHERE r>7 or a like 't%' GROUP BY uu ORDER BY q, i LIMIT 20
# ]
# );
#my $x = $parser->bool_expr("a like 'b' or !(c != d)");
my $x = $parser->selectstmt(q[
SELECT
srcseq.*,
gene.*,
transcript.*,
exon.*
FROM
seq AS srcseq INNER JOIN
seqfeature AS gene ON (gene.src_seq_id = srcseq.id) INNER JOIN
sf_produces_sf ON gene.id = produced_by_sf_id) INNER JOIN
seqfeature AS transcript ON (transcript.id = produces_sf_id)
INNER JOIN
exon_rank ON (transcript.id = transcript_sf_id) INNER JOIN
seqfeature AS exon ON (exon.id = exon_sf_id)
LIMIT 20
]);;
#my $x = $parser->selectstmt(q[SELECT seqfeature.* FROM seqfeature LIMIT 10]);
use Data::Dumper;
#print Dumper $x;
print $x->sxpr;
sub selectgrammar {
return DBIx::DBIStag->selectgrammar;
}
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