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/usr/local/lib64/python3.6/site-packages/pymysql/err.py(143) raise errorclass(errno, errval) /usr/local/lib64/python3.6/site-packages/pymysql/protocol.py(221)raise_for_error() -> err.raise_mysql_exception(self._data) /usr/local/lib64/python3.6/site-packages/pymysql/connections.py(725)_read_packet() -> packet.raise_for_error() /usr/local...

Overview Partition information was added into MySQL binary log since MySQL 8.0.16 ‘Rows_event’ class represents the information in source code. Documentation ROWS_EVENT in MySQL Documentation Rows_event class in source code Event Layout bytes before ? Log Event Header Binlog::EventHeader in MySQL Documentation Log Event Header(common header) i...

create table integer datatype CREATE TABLE `integer` ( `tinyint` tinyint DEFAULT NULL, `smallint` smallint DEFAULT NULL, `mediumint` mediumint DEFAULT NULL, `int` int DEFAULT NULL, `bigint` bigint DEFAULT NULL ); unsigned datatype CREATE TABLE `unsinged_integer` ( `tinyint` tinyint unsigned DEFAULT NULL, `smallint` smallint unsi...

create table CREATE TABLE `temporal_datatype` ( `classification` varchar(10) COLLATE utf8mb4_general_ci DEFAULT NULL, `date` date DEFAULT NULL, `datetime` datetime(6) DEFAULT NULL, `timestamp` timestamp(6) NULL DEFAULT NULL, `time` time(6) DEFAULT NULL, `year` year DEFAULT NULL ) insert values zero, min, max values for temporal data...

test same scenarios against pymysql timezone support of pymysqlreplication create documentation for numeric datatype test write a post about call stack of pymysql datatype enum test name change test_zero_date -> test_date_zero_year test_zero_month -> test_date_zero_month test_zero_day -&g...

정의 \[a_n = a_{n-1} + a_{n-2}\ (n > 1)\] \[a_1 = 1\] \[a_0 = 1\] 구현 재귀 (recursion) 시간복잡도 \[O(2^n)\] 구조도 graph BT; 0,0((a4)) 1,0((a3)) 1,1((a2)) 2,0((a2)) 2,1((a1)) 2,2((a1)) 2,3((a0)) 3,0((a1)) 3,1((a0)) 1,0-->0,0 1,1-->0,0 2,0-->1,0 2,1-->1,0 2,2-->1,1 2,3-->...