Alexander Barkov 1427e1db99 MDEV-6661 PI() does not work well in UCS2/UTF16/UTF32 context ...

MDEV-6666 Malformed result for CONCAT(utf8_column, binary_string)

Item_static_string_func::safe_charset_converter() and 
Item_hex_string::safe_charset_converter() did not
handle character sets with mbminlen>1 properly, as well as
did not handle conversion from binary to multi-byte well.

Introducing Item::const_charset_converter(), to reuse it in a number
of Item_*::safe_charset_converter().

2014-09-01 20:57:32 +04:00

9.7 KiB

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