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Postgres FDW
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| CREATE EXTENSION IF NOT EXISTS postgres_fdw; | |
| CREATE EXTENSION IF NOT EXISTS dblink; | |
| CREATE SERVER {server_name} | |
| FOREIGN DATA WRAPPER postgres_fdw | |
| OPTIONS ( | |
| host {src_host}, | |
| port {src_port}, | |
| dbname {src_db} | |
| ) | |
| ; | |
| CREATE USER MAPPING | |
| FOR CURRENT_USER | |
| SERVER {server_name} | |
| OPTIONS ( | |
| user {src_username} | |
| password {src_password} | |
| ) | |
| ; | |
| CREATE SCHEMA IF NOT EXISTS {dst_schema}; | |
| DROP FOREIGN TABLE IF EXISTS {dst_schema}.{src_table} CASCADE; | |
| IMPORT FOREIGN SCHEMA {src_schema} | |
| LIMIT TO ({src_table}) | |
| FROM SERVER {server_name} | |
| INTO {dst_schema} | |
| ; | |
| select * | |
| from information_schema.foreign_tables | |
| ; | |
| select | |
| srvname as name, | |
| srvowner::regrole as owner, | |
| fdwname as wrapper, | |
| srvoptions as options | |
| from pg_foreign_server | |
| join pg_foreign_data_wrapper w on w.oid = srvfdw; |
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