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[MCOL-4786] Fix filter comparison.

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Compare ParseTree by dereferencing pointers.
This commit is contained in:
Denis Khalikov
2021-07-12 15:27:53 +03:00
parent 4069a48f42
commit dc51dbf6cf
3 changed files with 5 additions and 3 deletions
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2
dbcon/mysql/ha_mcs_execplan.cpp
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@ -4427,7 +4427,7 @@ FunctionColumn* buildCaseFunction(Item_func* item, gp_walk_info& gwi, bool& nonS
gwi.inCaseStmt = true;
sptp.reset(buildParseTree((Item_func*)(item->arguments()[i]), gwi, nonSupport));
gwi.inCaseStmt = false;
if (!gwi.ptWorkStack.empty() && gwi.ptWorkStack.top()->data() == sptp->data())
if (!gwi.ptWorkStack.empty() && *gwi.ptWorkStack.top() == *sptp.get())
{
gwi.ptWorkStack.pop();
}