pg_dump导出

导出postgresql pg_dump -U your_username -h your_host -d your_database -t your_table > dump_file.sql

• export.sh

  #!/bin/bash
  PGPASSWORD=password pg_dump -U root -h 127.0.0.1 -d db -t $1 --column-inserts > /tmp/migrate_db/$1.sql
  

• for_export.sh

  #!/bin/bash
  my_array=("table_a" "table_b")
  
  
  for item in "${my_array[@]}"; do
      ./export.sh "$item"
  done