我正在尝试查询名为的模式DOCUMENT
在我的 postgres 数据库中使用节点 postgres https://www.npmjs.com/package/pg.
我似乎无法针对指定架构运行查询。
该查询使用 psql 直接针对 postgres 运行良好
SELECT * FROM "DOCUMENT".document_metadata m
LEFT OUTER JOIN "DOCUMENT".document_attributes a
ON a.document_id = m.id
此代码产生以下错误
const query = `SELECT * FROM "DOCUMENT".document_metadata m
LEFT OUTER JOIN "DOCUMENT".document_attributes a
ON a.document_id = m.id`
const metadata = await db.query(query)
Error
error: relation "DOCUMENT.document_metadata" does not exist
at Connection.parseE (/usr/src/app/node_modules/pg/lib/connection.js:602:11)
at Connection.parseMessage (/usr/src/app/node_modules/pg/lib/connection.js:399:19)
at Socket.<anonymous> (/usr/src/app/node_modules/pg/lib/connection.js:121:22)
at Socket.emit (events.js:189:13)
at addChunk (_stream_readable.js:284:12)
at readableAddChunk (_stream_readable.js:265:11)
at Socket.Readable.push (_stream_readable.js:220:10)
at TCP.onStreamRead [as onread] (internal/stream_base_commons.js:94:17)
我也尝试过这个
const query = `SET search_path TO 'DOCUMENT';
SELECT * FROM document_metadata m
LEFT OUTER JOIN document_attributes a
ON a.document_id = m.id;`
const metadata = await db.query(query)
这会产生错误
error: relation "document_metadata" does not exist
at Connection.parseE (/usr/src/app/node_modules/pg/lib/connection.js:602:11)
at Connection.parseMessage (/usr/src/app/node_modules/pg/lib/connection.js:399:19)
at Socket.<anonymous> (/usr/src/app/node_modules/pg/lib/connection.js:121:22)
at Socket.emit (events.js:189:13)
at addChunk (_stream_readable.js:284:12)
at readableAddChunk (_stream_readable.js:265:11)
at Socket.Readable.push (_stream_readable.js:220:10)
at TCP.onStreamRead [as onread] (internal/stream_base_commons.js:94:17)
Update当我直接在 psql 中运行这些相同的查询时,我看到大约 10 行带有表名。当我通过节点代码运行此命令时,我没有看到任何行:
const metadata4 = await db.query('SHOW search_path;')
console.log('search_path after setting = ', metadata4.rows) // prints [ { search_path: '"DOCUMENT"' } ]
const tables = await db.query(`SELECT * FROM information_schema.tables where table_schema = 'DOCUMENT';`)
console.log('tables = ', tables.rows) // prints []