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Update ASTFunction.cpp

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alexey-milovidov 2019-02-10 22:21:08 +03:00 committed by GitHub
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dbms/src/Parsers/ASTFunction.cpp
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@ -55,7 +55,7 @@ ASTPtr ASTFunction::clone() const
/** A special hack. If it's LIKE or NOT LIKE expression and the right hand side is a string literal,
* we will highlight unescaped metacharacters % and _ in string literal for convenience.
* Motivation: most people don't aware that _ is a metacharacter and forgot to properly escape it with two backslashes.
* Motivation: most people are unaware that _ is a metacharacter and forgot to properly escape it with two backslashes.
* With highlighting we make it clearly obvious.
*
* Another case is regexp match. Suppose the user types match(URL, 'www.yandex.ru'). It often means that the user is unaware that . is a metacharacter.