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MCOL-3239 CS pushes relevant filter predicates into derived tables.

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This change disables predicate push for function column that
    contains both derived table column and non-derived table column.
This commit is contained in:
Roman Nozdrin
2019-05-23 22:22:55 +03:00
parent 122038e36a
commit 42f29096f0
1 changed files with 10 additions and 0 deletions
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10
dbcon/execplan/functioncolumn.cpp
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@ -420,6 +420,16 @@ void FunctionColumn::setDerivedTable()
break;
}
}
// MCOL-3239 Block for func column with both
// derived table column and normal table column.
else if (derivedTableAlias == "")
{
if (sc->tableAlias().length())
{
derivedTableAlias = "";
break;
}
}
}
fDerivedTable = derivedTableAlias;