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MCOL-5328: PCRE based regexp regexp_substr regexp_instr regexp_replace [stable-23.10] (#3215)

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* MCOL-5328: PCRE based regexp regexp_substr regexp_instr regexp_replace

* Add qa test for MCOL-5328

---------

Co-authored-by: Susil Behera <susil.behera@mariadb.com>
This commit is contained in:
Leonid Fedorov
2024-06-27 14:20:08 +04:00
committed by GitHub
parent 2cd8f716c1
commit 6c6fa7d5a4
20 changed files with 6159 additions and 66 deletions
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17
utils/common/collation.h
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@ -146,6 +146,23 @@ class Charset
Charset(CHARSET_INFO* cs = nullptr) : mCharset(cs ? cs : &my_charset_bin)
{
}
bool operator==(const Charset& rhs)
{
return rhs.getCharset().cs_name.str == getCharset().cs_name.str;
}
std::string convert(const std::string& from, const datatypes::Charset& fromCs) const
{
std::string result;
uint dummy_errors;
result.resize(from.size() * getCharset().mbmaxlen);
size_t resultingSize = my_convert(const_cast<char*>(result.c_str()), result.size(), &getCharset(), from.c_str(),
from.size(), &fromCs.getCharset(), &dummy_errors);
result.resize(resultingSize);
return result;
}
Charset(uint32_t charsetNumber);
void setCharset(uint32_t charsetNumber);
CHARSET_INFO& getCharset() const