PG COPY导入导出数据

导出

实例1

/home/postgres/pgsql/bin/psql -U postgres -c "copy(select datname from pg_database where datname not in ('postgres','template0','template1','zabbix') order by datname) to '/home/postgres/pgsql/databasejudgetmp.txt'" 

实例2

COPY products
TO '/path/to/output.csv'
WITH csv;

实例3

COPY (
  SELECT name, category_name
  FROM products
  LEFT JOIN categories ON categories.id = products.category_id
)
TO '/path/to/output.csv'
WITH csv;

导入

实例1

COPY products
FROM '/path/to/input.csv'
WITH csv;