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Removed temporary compatibility fix for Yandex.Metrika. [#CLICKHOUSE-2]

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This commit is contained in:
Alexey Milovidov 2018-11-28 13:37:08 +03:00
parent e95bf5d888
commit 0dfa73221c
1 changed files with 0 additions and 11 deletions
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11
dbms/src/Parsers/ExpressionElementParsers.cpp
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@ -238,17 +238,6 @@ bool ParserFunction::parseImpl(Pos & pos, ASTPtr & node, Expected & expected)
, ErrorCodes::SYNTAX_ERROR);
}
/// Temporary compatibility fix for Yandex.Metrika.
/// When we have a query with
/// cast(x, 'Type')
/// when cast is not in uppercase and when expression is written as a function, not as operator like cast(x AS Type)
/// and newer ClickHouse server (1.1.54388) interacts with older ClickHouse server (1.1.54381) in distributed query,
/// then exception was thrown.
auto & identifier_concrete = typeid_cast<ASTIdentifier &>(*identifier);
if (Poco::toLower(identifier_concrete.name) == "cast")
identifier_concrete.name = "CAST";
/// The parametric aggregate function has two lists (parameters and arguments) in parentheses. Example: quantile(0.9)(x).
if (pos->type == TokenType::OpeningRoundBracket)
{