Fix a bug of schema diff when comparing triggers with different when clauses

[huangj.f...@fujitsu.com]

Hi,



When I compare triggers with different when clauses, it shows the wrong diff 
DDL.

[cid:image001.jpg@01D70E79.180AED80]



I tried to fix the bug , as the attached patch shows.



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Thanks && regards

HuangJ

fix-bug-of-SchemaDiff.patch
Description: fix-bug-of-SchemaDiff.patch