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Copy Data From Stage

Copy data from stage.

Copy into Statement​

Syntax​

copy into default.test_csv from '@s3_stage/tests/data/sample.csv' format CSV field_delimitor = ',';

COPY INTO [<db>.]<table_name> [ <schema> ]
    FROM { stage_location }
    FORMAT <format_name>
    [options]

Parameters​

  • db: database name
  • table_name: table name
  • schema: optional schema fields, eg: (a,b,c)
  • stage_location: stage location, eg: @s3_stage/tests/data/sample.csv
  • format_name: format name, supported format: CSV, Parquet
  • options: other options, supported options: field_delimitor, record_delimitor, csv_header

Examples​

COPY from csv file​

Example:

mysql> create table default.test_csv (id int,name varchar(255),rank int);

mysql> copy into default.test_csv from '@s3_stage/tests/data/sample.csv' format CSV field_delimitor = ',';
Query OK, 0 rows affected (0.17 sec)
Read 6 rows, 163 B in 0.160 sec., 37.53 rows/sec., 1.02 KB/sec.

mysql> select max(id), min(name), avg(rank)  from default.test_csv;

+---------+-----------+-------------------+
| max(id) | min(name) | avg(rank)         |
+---------+-----------+-------------------+
|       6 | 'Beijing' | 77.33333333333333 |
+---------+-----------+-------------------+
1 row in set (0.13 sec)
Read 6 rows, 163 B in 0.042 sec., 143.43 rows/sec., 3.9 KB/sec.