use warnings;
use strict;
use SQL::Parser;
use Data::Dump;

my $sql = <<'END_SQL';
INSERT INTO gl_trn
( CO_CD, GL_ACCT_CD, JRNL_CD, EMP_CD_OP, POST_DT, DES,
REF, DC_CD, AMT, TRN_DT, GL_TRN_ORIGIN_CD, FINAL_DT,
CO_UNIT, TRN_TIME, CMNT, BNK_ACCT_CD, BNK_TRN_TP_CD, DOC_NUM,
POST_ID_NUM, BNK_CO_CD)
SELECT 'XXX', GL_ACCT_CD, NULL, EMP_CD_OP, to_date('&to_post_dt', 'MMD
+DRR'),
'REVERSAL'||' '||substr(des, 1, 30), 'R'||substr(REF, 1, 18),
decode(dc_cd, 'C', 'D',
'D', 'C'),
amt, TRUNC(SYSDATE), gl_trn_origin_cd,
NULL, co_unit, floor((sysdate-trunc(sysdate))*86400),
'Auto-generated by DEV using ACREV', BNK_ACCT_CD , BNK_TRN_TP_CD,
DOC_NUM, POST_ID_NUM , BNK_CO_CD
FROM gl_trn
WHERE post_dt = to_date('&from_post_dt', 'MMDDRR')
AND jrnl_cd = 'A'
AND co_cd = 'RAY'
AND NOT EXISTS (SELECT 'X'
FROM gl_reversed g
WHERE g.GL_TRN_SEQ_NUM = gl_trn.gl_trn_seq_num);
END_SQL
#$sql = q{INSERT INTO foo VALUES (1, 2, 'bar');}; # simple test

my $parser = SQL::Parser->new();
$parser->parse($sql) or die;
dd $parser->structure;

__END__

No table name specified! at sql.pl line 31.
No command found! at sql.pl line 31.
Died at sql.pl line 31.
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