sync ss sql parser

[tuohai666]

For #168

[codecov-commenter]

Codecov Report

Merging #302 (5d14d3f) into master (3a04fb0) will not change coverage.
The diff coverage is 0.00%.

@@          Coverage Diff           @@
##           master    #302   +/-   ##
======================================
  Coverage    0.00%   0.00%           
======================================
  Files         365     365           
  Lines        6861    6861           
  Branches     1208    1208           
======================================
  Misses       6861    6861           

Impacted Files	Coverage Δ
.../shardingsphere/ShardingSphereSqlParserEngine.java	0.00% <0.00%> (ø)

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[cherrylzhao]

from the modified code, hmily will only support mysql syntax?

[tuohai666]

from the modified code, hmily will only support mysql syntax?

Do you mean PostgreSQL? I'll think about it.

[cherrylzhao]

yes it is, since shardingsphere support other rdb parsers