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Disable table function view in expression (#21465)

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Amos Bird 2021-04-06 21:08:29 +08:00 committed by GitHub
parent 3708821689
commit a89e3df40a
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2 changed files with 10 additions and 0 deletions
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8
src/Parsers/ASTFunction.cpp
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@ -15,8 +15,16 @@
namespace DB
{
namespace ErrorCodes
{
extern const int UNEXPECTED_EXPRESSION;
}
void ASTFunction::appendColumnNameImpl(WriteBuffer & ostr) const
{
if (name == "view")
throw Exception("Table function view cannot be used as an expression", ErrorCodes::UNEXPECTED_EXPRESSION);
writeString(name, ostr);
if (parameters)

2
tests/queries/0_stateless/01715_table_function_view_fix.sql
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@ -1 +1,3 @@
SELECT view(SELECT 1); -- { clientError 62 }
SELECT sumIf(dummy, dummy) FROM remote('127.0.0.{1,2}', numbers(2, 100), view(SELECT CAST(NULL, 'Nullable(UInt8)') AS dummy FROM system.one)); -- { serverError 183 }