LOAD DATA
LOAD DATA 语句用于将数据批量加载到 TiDB 表中。
语法图
LoadDataStmt:
示例
mysql> CREATE TABLE trips (
-> trip_id bigint NOT NULL PRIMARY KEY AUTO_INCREMENT,
-> duration integer not null,
-> start_date datetime,
-> end_date datetime,
-> start_station_number integer,
-> start_station varchar(255),
-> end_station_number integer,
-> end_station varchar(255),
-> bike_number varchar(255),
-> member_type varchar(255)
-> );
Query OK, 0 rows affected (0.14 sec)
mysql> LOAD DATA LOCAL INFILE '/mnt/evo970/data-sets/bikeshare-data/2017Q4-capitalbikeshare-tripdata.csv' INTO TABLE trips FIELDS TERMINATED BY ',' ENCLOSED BY '\"' LINES TERMINATED BY '\r\n' IGNORE 1 LINES (duration, start_date, end_date, start_station_number, start_station, end_station_number, end_station, bike_number, member_type);
Query OK, 815264 rows affected (39.63 sec)
Records: 815264 Deleted: 0 Skipped: 0 Warnings: 0
MySQL 兼容性
- 默认情况下，TiDB 每 20,000 行会进行一次提交。这类似于 MySQL NDB Cluster，但并非 InnoDB 存储引擎的默认配置。