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Check literal types in RewriteSumIfFunctionMatcher (#19406)

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vdimir 2021-01-22 19:21:45 +03:00 committed by GitHub
parent a3e5e4735f
commit ad73dc6c72
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1 changed files with 9 additions and 4 deletions
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13
src/Interpreters/RewriteSumIfFunctionVisitor.cpp
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@ -35,13 +35,16 @@ void RewriteSumIfFunctionMatcher::visit(const ASTFunction & func, ASTPtr & ast,
if (lower_name != "sum" && lower_name != "sumif")
return;
auto & func_arguments = func.arguments->children;
const auto & func_arguments = func.arguments->children;
if (lower_name == "sumif")
{
/// sumIf(1, cond) -> countIf(cond)
const auto * literal = func_arguments[0]->as<ASTLiteral>();
if (func_arguments.size() == 2 && literal && literal->value.get<UInt64>() == 1)
if (!literal || !DB::isInt64FieldType(literal->value.getType()))
return;
if (func_arguments.size() == 2 && literal->value.get<UInt64>() == 1)
{
auto new_func = createNewFunctionWithOneArgument("countIf", func_arguments[1]);
new_func->setAlias(func.alias);
@ -49,7 +52,6 @@ void RewriteSumIfFunctionMatcher::visit(const ASTFunction & func, ASTPtr & ast,
return;
}
}
else
{
const auto * nested_func = func_arguments[0]->as<ASTFunction>();
@ -57,13 +59,16 @@ void RewriteSumIfFunctionMatcher::visit(const ASTFunction & func, ASTPtr & ast,
if (!nested_func || Poco::toLower(nested_func->name) != "if" || nested_func->arguments->children.size() != 3)
return;
auto & if_arguments = nested_func->arguments->children;
const auto & if_arguments = nested_func->arguments->children;
const auto * first_literal = if_arguments[1]->as<ASTLiteral>();
const auto * second_literal = if_arguments[2]->as<ASTLiteral>();
if (first_literal && second_literal)
{
if (!DB::isInt64FieldType(first_literal->value.getType()) || !DB::isInt64FieldType(second_literal->value.getType()))
return;
auto first_value = first_literal->value.get<UInt64>();
auto second_value = second_literal->value.get<UInt64>();
/// sum(if(cond, 1, 0)) -> countIf(cond)