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。

另请参阅

• INSERT
• Transaction Model
• Import Example Database