regexp support

[denghc0607]

Please answer these questions before submitting your issue. Thanks!

Which version of Sharding-Jdbc do you using?

1.5.3

Expected behavior

Actual behavior

Steps to reproduce the behavior

Please provide the reproduce example codes (such as github link) if possible.

my sql as below:
select * from resourcetable where TITLE REGEXP 'abc' order by UPDTIME desc limit 0,1
sharding-columns : UPDTIME
the question is that when i use this sql to query resourcetable ,i got two records from two different Physical tables, so limit 0,1 doesn't work

[terrymanu]

fixed at 1.5.4