informix_fdw

pig repo add pgdg -u          # 添加 PGDG 仓库并更新缓存

CREATE EXTENSION informix_fdw;

CREATE EXTENSION informix_fdw;

CREATE SERVER informix_server
  FOREIGN DATA WRAPPER informix_fdw
  OPTIONS (
    informixserver 'informix_hostname',
    informixdir '/opt/informix/csdk'
  );

CREATE USER MAPPING FOR CURRENT_USER
  SERVER informix_server
  OPTIONS (username 'informix', password 'secret');

CREATE FOREIGN TABLE remote_table (
  id bigint NOT NULL,
  name varchar(255),
  amount numeric(10,2),
  created timestamp
)
SERVER informix_server
OPTIONS (
  database 'mydb',
  table 'remote_table',
  client_locale 'en_US.utf8',
  db_locale 'en_US.819'
);

CREATE FOREIGN TABLE remote_view (
  id bigint,
  total numeric(10,2)
)
SERVER informix_server
OPTIONS (
  database 'mydb',
  query 'SELECT id, SUM(amount) AS total FROM orders GROUP BY id',
  client_locale 'en_US.utf8',
  db_locale 'en_US.819'
);

SELECT * FROM remote_table WHERE id > 100;
INSERT INTO remote_table (id, name, amount) VALUES (1, 'test', 99.99);
UPDATE remote_table SET amount = 100.00 WHERE id = 1;
DELETE FROM remote_table WHERE id = 1;