Developed UserVarEvent and Added Statement-Based Logging Test #466
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Co-authored-by: heehehe <heeseon0315@gmail.com>
Co-authored-by: sean-k1 <sean.k1@kakaoent.com>
Co-authored-by: mjs1995 <munmun2004@naver.com>
Co-authored-by: starcat37 <starcat37@korea.ac.kr>
Co-authored-by: minakiz <k515jina@gmail.com>
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Overview
This Pull Request introduces the UserVarEvent class, aimed at providing robust handling for MySQL/MariaDB binary log events related to user variables. To validate the effectiveness of this implementation, TestStatementConnectionSetting, has been added to focus on statement-based logging scenarios.
Description
UserVarEvent Class
The
UserVarEventclass has been implemented following the official documentation of MySQL and MariaDB. It supports various user variable event types, including:STRING_RESULTREAL_RESULTINT_RESULTROW_RESULT(Currently not in use)DECIMAL_RESULTType-Specific Value Parsing
STRING, REAL, INT, ROW, DECIMAL Types: Each data type has its dedicated function to parse values appropriately.
DECIMAL Type: Introduced a specialized bit-parsing function to handle decimal types.
INT Type: Utilized flags to distinguish between signed and unsigned integers.
184467440737095516159223372036854775807-9223372036854775808-1TestStatementConnectionSetting Class
A new test was added to cater specifically to the testing requirements of UserVarEvent under statement-based logging.
Additional Method
_set_value_from_temp_bufferMethodThis method serves to populate a designated class attribute with an accurately parsed value extracted from a temporary buffer. Utilizing a dictionary as a mapping mechanism, it correlates each event type code to its specific value-parsing function.
_parse_decimal_from_bytesMethodThis static method has been introduced to parse decimal numbers from bytes.
Reference