support timestamp
Merge pull request #100 from qhzhou/support_timestamp

support timestamp
remove rule PushFilterPastProjectRule
fix test sql
Merge pull request #103 from qhzhou/support_timestamp

Support timestamp
Merge remote-tracking branch 'origin/master' into hll_inc_build_merge
Merge remote-tracking branch 'origin/hll_inc_build_merge' into hll_inc_build_merge