Roman Nozdrin 69c1a613fa MCOL-2178 Fix distinctAggregationAndGroupBy by allowing to traverse into ...

any function in projection looking for either aggregation function or
GROUP BY key column.

MDB doesn't convert Item_equal into corresponding Item_func_eq w/o
OPTIMIZER_SWITCH_COND_PUSHDOWN_FROM_HAVING optimizer flag.
Activation of the flag fixes queries from having test scenario w
equal operator in HAVING, e.g. HAVING c1 = 50.

2019-09-19 08:06:39 +03:00

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