postgresql 表的導出與導入數據

#!/bin/bash

set -e
set -x

# 導出數據
export PGPASSWORD='db user passwd'
psql -h host -U user -d dbname -c "\copy ( select column1, column2, column3 from table )  to export.data"

# 導入數據
export PGPASSWORD='db user passwd'
psql -h host -U user -d dbname -c "\copy table(column1, column2, column3) from  import.data"