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of the InnoDB SQL parser. pars_is_string_type(): New function. Returns TRUE iff mtype equals DATA_VARCHAR, DATA_CHAR, DATA_FIXBINARY, or DATA_BINARY. pars_resolve_func_data_type(): Replace checks for DATA_VARCHAR with pars_is_string_type(). For example, the NAME column of SYS_INDEXES, SYS_TABLES, and SYS_COLUMNS is of DATA_BINARY type, although it contains a UTF-8 character string. This affects the functions TO_NUMBER, BINARY_TO_NUMBER, LENGTH, INSTR, and SUBSTR.