[ 'description', 'ioi.', 'invoice_oi' ],
[ 'deliverydate', 'ioi.', 'invoice_oi' ],
[ 'transdate' , 'apoe.', 'apoe' ],
[ 'description', 'ioi.', 'invoice_oi' ],
[ 'deliverydate', 'ioi.', 'invoice_oi' ],
[ 'transdate' , 'apoe.', 'apoe' ],
return ($coalesce
? sprintf 'COALESCE(%s)', join ', ', @coalesce_tokens
: shift @coalesce_tokens)
return ($coalesce
? sprintf 'COALESCE(%s)', join ', ', @coalesce_tokens
: shift @coalesce_tokens)