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feat(ddl): MCOL-5744: better handling of utf8 charset aliases (#3174)

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Server expands ut8_XXX aliases to utf8mb3_XXX or utf8mb4_XXX depending
on the UTF8_IS_UTF8MB3 setting in the OLD_MODE environment variable.

Server already has the necessary code implemented in the get_utf8_flag()
method of class THD. There are several uses of this flag and all we have
to do to be in line with server is to use it.

This patch does that for DDL as work on MCOL-5705 uncovered some
problems in that area.
This commit is contained in:
Sergey Zefirov
2024-05-10 19:17:57 +03:00
committed by GitHub
parent 8204c131bf
commit 5b9ddd902e
7 changed files with 62 additions and 13 deletions
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11
dbcon/ddlpackage/sqlparser.h
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@ -29,6 +29,7 @@
#include <stdexcept>
#include "collation.h" // CHARSET_INFO
#include "ddlpkg.h"
#include "mariadb_my_sys.h" // myf, MYF()
#define EXPORT
@ -83,8 +84,14 @@ struct pass_to_bison
std::string fDBSchema;
void* scanner;
const CHARSET_INFO* default_table_charset;
myf utf8_flag;
pass_to_bison(ParseTree* pt) : fParseTree(pt), scanner(NULL), default_table_charset(NULL){};
pass_to_bison(ParseTree* pt) :
fParseTree(pt)
, scanner(NULL)
, default_table_charset(NULL)
, utf8_flag(MYF(0))
{};
};
class SqlParser
@ -94,7 +101,7 @@ class SqlParser
EXPORT virtual ~SqlParser();
EXPORT int Parse(const char* sqltext);
EXPORT int Parse(const char* sqltext, myf utf8_flag);
/** @brief Return the ParseTree if state is Good. Otherwise
* throw a logic_error.