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WriteHelpers: improvement [#CONV-3632].

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This commit is contained in:
Alexey Milovidov 2011-11-21 10:50:01 +00:00
parent b595e61c03
commit 9166338e0b
1 changed files with 5 additions and 1 deletions
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6
dbms/include/DB/IO/WriteHelpers.h
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@ -175,7 +175,11 @@ void writeAnyEscapedString(const String & s, WriteBuffer & buf)
inline void writeEscapedString(const String & s, WriteBuffer & buf)
{
writeAnyEscapedString<'\''>(s, buf);
/// strpbrk хорошо оптимизирована (этот if ускоряет код в 1.5 раза)
if (NULL == strpbrk(s.data(), "\b\f\n\r\t\'\\") && strlen(s.data()) == s.size())
writeString(s, buf);
else
writeAnyEscapedString<'\''>(s, buf);
}