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bayseAB returns an empty block if input_rows_count is 0 and isDeterministic returns false

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This commit is contained in:
philip.han 2020-07-17 18:21:25 +09:00
parent d4aff270db
commit 769a6dfb08
1 changed files with 10 additions and 1 deletions
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11
src/Functions/abtesting.cpp
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@ -141,6 +141,9 @@ public:
return name;
}
bool isDeterministic() const override { return false; }
bool isDeterministicInScopeOfQuery() const override { return false; }
size_t getNumberOfArguments() const override { return 5; }
DataTypePtr getReturnTypeImpl(const DataTypes &) const override
@ -148,8 +151,14 @@ public:
return std::make_shared<DataTypeString>();
}
void executeImpl(Block & block, const ColumnNumbers & arguments, size_t result, size_t) override
void executeImpl(Block & block, const ColumnNumbers & arguments, size_t result, size_t input_rows_count) override
{
if (input_rows_count == 0)
{
block.getByPosition(result).column = std::move(ColumnString::create());
return;
}
std::vector<double> xs, ys;
std::vector<std::string> variant_names;
String dist;