Remove unnecessary commit (firebird-sdbc).
Remove unnecessary commit (firebird-sdbc).

Null flag has to be manually retrieved and isn't actually DDL.

Change-Id: I4ea88dcda1e4e0a2ae034572fb483415c7a5736d

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core