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Fix ColumnConst comparison.

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This commit is contained in:
Amos Bird 2020-11-17 22:14:31 +08:00
parent c2205498b2
commit f24cf46db5
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4 changed files with 10 additions and 5 deletions
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8
src/Columns/ColumnConst.cpp
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@ -138,4 +138,12 @@ void ColumnConst::updateWeakHash32(WeakHash32 & hash) const
value = intHashCRC32(data_hash, value); value = intHashCRC32(data_hash, value);
} }
void ColumnConst::compareColumn(
const IColumn & rhs, size_t, PaddedPODArray<UInt64> *, PaddedPODArray<Int8> & compare_results, int, int nan_direction_hint)
const
{
Int8 res = compareAt(1, 1, rhs, nan_direction_hint);
std::fill(compare_results.begin(), compare_results.end(), res);
}
} }

6
src/Columns/ColumnConst.h
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@ -199,11 +199,7 @@ public:
void compareColumn(const IColumn & rhs, size_t rhs_row_num, void compareColumn(const IColumn & rhs, size_t rhs_row_num,
PaddedPODArray<UInt64> * row_indexes, PaddedPODArray<Int8> & compare_results, PaddedPODArray<UInt64> * row_indexes, PaddedPODArray<Int8> & compare_results,
int direction, int nan_direction_hint) const override int direction, int nan_direction_hint) const;
{
return data->compareColumn(rhs, rhs_row_num, row_indexes,
compare_results, direction, nan_direction_hint);
}
MutableColumns scatter(ColumnIndex num_columns, const Selector & selector) const override; MutableColumns scatter(ColumnIndex num_columns, const Selector & selector) const override;

0
tests/queries/0_stateless/01580_column_const_comparision.reference Normal file
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1
tests/queries/0_stateless/01580_column_const_comparision.sql Normal file
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@ -0,0 +1 @@
select '1111' as name from system.numbers_mt order by name limit 10000 format Null;