Question

我编写了这个PostgreSQL代码行，但是我遇到了以下错误：

错误：无法连接到服务器＆＃34; server \ sqlexpress＆＃34;

SQL状态：08001

我做错了什么？

我的代码：

在Windows 8.1和MS SQL Express 2012上在同一窗口上使用PostgreSQL 9.3

  CREATE EXTENSION posgres_fdw;
  Query returned successfully with no result in 11 ms. 

  CREATE SERVER "server\SQLExpress" FOREIGN DATA WRAPPER postgres_fdw 
    OPTIONS (host 'localhost', dbname 'andesmar'); 
  Query returned successfully with no result in 12 ms.

  CREATE USER MAPPING FOR public SERVER "server\sqlexpress" 
    OPTIONS (user 'sa', password '1234'); 
  Query returned successfully with no result in 12 ms.

  CREATE FOREIGN TABLE datosplataforma (
     id                 bigint NOT NULL,
     messagedate        date NOT NULL,
     receiveddate       date NOT NULL,
     latitude           real,
     longitude          real,
     GPSspeed           real,
     bearingangle       integer,
     odometer           integer,
     eventtypeid        integer,
     vehicleid          integer,
     alertid            integer
   )
   SERVER "server\sqlexpress";
   Query returned successfully with no result in 12 ms.

   select * from datosplataforma; 
     ERROR: could not connect to server "server\sqlexpress"
     SQL state: 08001

Answer 1

postgres_fdw连接到另一个PostgreSQL服务器，而不是MS SQL Server。

如果要连接到MS SQL，则需要将ODBC或JDBC FDW与MS SQL ODBC或JDBC驱动程序一起使用，或者使用专用的MS SQL FDW。

请参阅：http://wiki.postgresql.org/wiki/Foreign_data_wrappers

postgres_fdw错误无法连接服务器

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