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Fix some compatibility issues of illegal SQL in MySQL

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This commit is contained in:
obdev
2023-08-01 16:12:42 +00:00
committed by ob-robot
parent e77e3c4c76
commit da985e136d
6 changed files with 51 additions and 4 deletions
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14
src/sql/parser/ob_fast_parser.cpp
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@ -1046,9 +1046,15 @@ int ObFastParserBase::process_hex_number(bool is_quote)
* Values written using X'val' notation must contain an even number of digits or a syntax error occurs. To correct the problem, pad the value with a leading zero.
* Values written using 0xval notation that contain an odd number of digits are treated as having an extra leading 0. For example, 0xaaa is interpreted as 0x0aaa.
*/
return OB_ERR_PARSER_SYNTAX;
LOG_WARN("parser syntax error",
K(ret), K(str_len), K(raw_sql_.to_string()), K_(raw_sql_.cur_pos));
return OB_ERR_PARSER_SYNTAX;
}
} else {
// Values written using 0xval notation NOTE: 0Xval (use upper case 'X') notation is illegal in MySQL
if (!is_oracle_mode_ && raw_sql_.char_at(cur_token_begin_pos_ + 1) == 'X') {
LOG_WARN("parser syntax error", K(ret));
return OB_ERR_PARSER_SYNTAX;
}
}
if (str_len > 0) {
@ -1126,6 +1132,12 @@ int ObFastParserBase::process_binary(bool is_quote)
int64_t dst_str_len = 0;
if ('\'' == raw_sql_.char_at(raw_sql_.cur_pos_ - 1)) {
--str_len;
} else {
// Values written using 0bval notation NOTE: 0Bval (use upper case 'B') notation is illegal in MySQL
if (!is_oracle_mode_ && raw_sql_.char_at(cur_token_begin_pos_ + 1) == 'B') {
LOG_WARN("parser syntax error", K(ret));
return OB_ERR_PARSER_SYNTAX;
}
}
if (str_len > 0) {
dst_str_len = ob_parse_bit_string_len(str_len);