Comments (1)
I'm not entirely sure how to fix this. I tried to write a function that escapes any character that isn't in the MySQL "permitted characters in unquoted identifiers" with a regex.
// Escape characters that aren't in the allowed identifiers RegEx
private static function escape_unpermitted_identifiers(string $string): string {
return preg_replace_callback(
"/[^\d,a-zA-Z\$_]/u",
function ($matches) {
// Return as @ prefixed Unicode sequence
return '@' . bin2hex(mb_convert_encoding($matches[0], 'UTF-16BE', 'UTF-8'));
},
$string
);
}
It worked well for some characters but not others, and I'm not entirely sure why. I think it might have something with multi-byte strings to do. For example my-table
becomes my@002dtable
as expected. But with another character "รค" for example, my_รค_table
becomes my_@00e4_table
which I think makes sense. But the same table gets encoded as my_@0k_table
in the foreign key table.
from php-libinnodb-fk.
Related Issues (1)
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from php-libinnodb-fk.