Github user sudheeshkatkam commented on a diff in the pull request:
https://github.com/apache/drill/pull/541#discussion_r69991686
--- Diff: exec/java-exec/src/main/codegen/includes/parserImpls.ftl ---
@@ -199,15 +199,17 @@ SqlNode SqlCreateOrReplaceView() :
* Parses a drop view statement.
* DROP VIEW view_name;
*/
-SqlNode SqlDropView() :
+SqlNode SqlDropViewIfExists() :
{
SqlParserPos pos;
+ boolean viewExistenceCheck = false;
}
{
<DROP> { pos = getPos(); }
<VIEW>
+ [ <IF> <EXISTS> { viewExistenceCheck = true; } ]
{
- return new SqlDropView(pos, CompoundIdentifier());
+ return new SqlDropView(pos, CompoundIdentifier(),
viewExistenceCheck);
--- End diff --
Please rename the old classes with suffix `..IfExists`.
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