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Fixing arrayIndex functions when right operand is LC but left is not (#16038)
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@ -384,7 +384,7 @@ public:
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/**
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* If one or both arguments passed to this function are nullable,
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* we create a new columns that contains non-nullable arguments:
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* we create a new column that contains non-nullable arguments:
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*
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* - if the 1st argument is a non-constant array of nullable values,
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* it is turned into a non-constant array of ordinary values + a null
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@ -497,7 +497,7 @@ private:
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NullMaps maps;
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ResultColumnPtr result { ResultColumnType::create() };
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inline void move_result() { columns[result_pos].column = std::move(result); }
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inline void moveResult() { columns[result_pos].column = std::move(result); }
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};
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static inline bool allowNested(const DataTypePtr & left, const DataTypePtr & right)
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@ -524,9 +524,11 @@ private:
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const DataTypePtr array_nullable_nested =
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checkAndGetDataType<DataTypeNullable>(array_inner_type.get())->getNestedType();
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// We also allow Nullable(T) and LC(U) if the Nullable(T) and U are allowed,
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// the LC(U) will be converted to U.
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return allowNested(
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array_nullable_nested,
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arg_or_arg_nullable_nested);
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recursiveRemoveLowCardinality(arg_or_arg_nullable_nested));
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}
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else if (arg_is_nullable) // cannot compare Array(T) elem (namely, T) and Nullable(T)
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return false;
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@ -574,6 +576,9 @@ private:
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return allowNested(array_lc_nested_or_lc_nullable_nested, arg);
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}
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if (arg_is_lc) // Allow T and LC(U) if U and T are allowed (the low cardinality column will be converted).
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return allowNested(array_inner_type, arg_lc_inner_type);
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return false;
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}
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@ -644,7 +649,8 @@ private:
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if (!left)
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return false;
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const IColumn& right = *columns[arguments[1]].column.get();
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const ColumnPtr right_converted_ptr = columns[arguments[1]].column->convertToFullColumnIfLowCardinality();
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const IColumn& right = *right_converted_ptr.get();
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ExecutionData data = {
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left->getData(),
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@ -710,7 +716,7 @@ private:
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else
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return false;
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data.move_result();
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data.moveResult();
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return true;
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}
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@ -863,7 +869,7 @@ private:
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data.result->getData(),
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data.maps.first, data.maps.second);
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data.move_result();
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data.moveResult();
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return true;
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}
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@ -881,7 +887,8 @@ private:
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if (!left)
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return false;
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const IColumn & right = *columns[arguments[1]].column.get();
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const ColumnPtr right_ptr = columns[arguments[1]].column->convertToFullColumnIfLowCardinality();
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const IColumn & right = *right_ptr.get();
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ExecutionData data = {
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*left, right, array->getOffsets(),
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@ -950,7 +957,7 @@ private:
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else
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return false;
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data.move_result();
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data.moveResult();
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return true;
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}
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@ -964,7 +971,8 @@ private:
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Array arr = col_array->getValue<Array>();
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const IColumn * item_arg = columns[arguments[1]].column.get();
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const ColumnPtr right_ptr = columns[arguments[1]].column->convertToFullColumnIfLowCardinality();
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const IColumn * item_arg = right_ptr.get();
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if (isColumnConst(*item_arg))
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{
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@ -1039,7 +1047,9 @@ private:
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return false;
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const IColumn & col_nested = col->getData();
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const IColumn & item_arg = *columns[arguments[1]].column;
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const ColumnPtr right_ptr = columns[arguments[1]].column->convertToFullColumnIfLowCardinality();
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const IColumn & item_arg = *right_ptr.get();
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auto col_res = ResultColumnType::create();
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@ -13,3 +13,5 @@
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1000000
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1000000
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1000000
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1
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1
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@ -38,4 +38,10 @@ SELECT count() FROM t_01411_num WHERE has(arr, num);
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SELECT count() FROM t_01411_num WHERE indexOf(arr, num) > 0;
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SELECT count() FROM t_01411_num WHERE indexOf(arr, num % 337) > 0;
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-- Checking Arr(String) and LC(String)
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SELECT indexOf(['a', 'b', 'c'], toLowCardinality('a'));
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-- Checking Arr(Nullable(String)) and LC(String)
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SELECT indexOf(['a', 'b', NULL], toLowCardinality('a'));
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DROP TABLE IF EXISTS t_01411_num;
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