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Proper exception message for wrong number of arguments of CAST

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This commit is contained in:
Alexey Milovidov 2020-09-19 22:34:24 +03:00
parent c185db46f9
commit 5a47e64685
3 changed files with 4 additions and 0 deletions
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3
src/Interpreters/OptimizeIfWithConstantConditionVisitor.cpp
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@ -33,6 +33,9 @@ static bool tryExtractConstValueFromCondition(const ASTPtr & condition, bool & v
{ {
if (const auto * expr_list = function->arguments->as<ASTExpressionList>()) if (const auto * expr_list = function->arguments->as<ASTExpressionList>())
{ {
if (expr_list->children.size() != 2)
throw Exception("Function CAST must have exactly two arguments", ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
const ASTPtr & type_ast = expr_list->children.at(1); const ASTPtr & type_ast = expr_list->children.at(1);
if (const auto * type_literal = type_ast->as<ASTLiteral>()) if (const auto * type_literal = type_ast->as<ASTLiteral>())
{ {

0
tests/queries/0_stateless/01503_if_const_optimization.reference Normal file
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1
tests/queries/0_stateless/01503_if_const_optimization.sql Normal file
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@ -0,0 +1 @@
SELECT if(CAST(NULL), '2.55', NULL) AS x; -- { serverError 42 }