('数据库连接出错', err); } // 简单输出个 Hello World client.query('SELECT $1::varchar AS OUT', ["Hello World"], function (err, result) { done();// 释放连接(将其返回给连接池) if (err) { return console.error('查询出错', err); } console.log(result.rows[0].out); //output...
可以像这样插入单行: client.query("insert into tableName (name, email) values ($1, $2) ", ['john', 'john@gmail.com'], callBack) 这种方法会自动注释掉任何特殊字符。 如何一次插入多行? 我需要实现这个: "insert into tableName (name, email) values ('john', 'john@gmail.com'), ('jane...
Extensible JS ↔ PostgreSQL data-type coercion Supported PostgreSQL features Parameterized queries Named statements with query plan caching Async notifications withLISTEN/NOTIFY Bulk import & export withCOPY TO/COPY FROM Extras node-postgres is by design pretty light on abstractions. These are some hand...
PostgreSQL interface for Node.js About Support & Sponsorship Documentation Contributing Usage Methods Query Formatting Index Variables Named Parameters Nested Named Parameters Formatting Filters SQL Names Alias Filter Raw Text Open Values JSON Filter CSV Filter Custom Type Formatting Explicit CTF...
#2. 查询pg 7.123的详细信息,在线使用查询 ceph pg 7.123 query > /export/pg-7.123-query.txt #3. 每个osd副本节点进行查询 ceph-objectstore-tool --data-path /var/lib/ceph/osd/ceph-641/ --type bluestore --pgid 7.123 --op info > /export/pg-7.123-info-osd641.txt 如 pg 7.123 OSD 1 ...
(1)利用Nodejs+pg实现数据库数据读取。 我是利用数据池的方式进行连接。 1)在sever下建立一个db.js //数据库连接配置module.exports ={ pgsql: { host:'localhost', port:5432, user:'postgres', password:'admin', database:'hello', poolSize:5} ...
result().queryWithParams("SELECT * FROM ACCOUNT WHERE ACCOUNT = ? AND PASSWORD = ?", params,resultSetFuture); }else{ msg.reply(FAILURE); } }); updateResultFuture.setHandler(asyncResult->{ if(asyncResult.succeeded()){ msg.reply(SUCCESS); }else if(asyncResult.cause().getMessage().contains...
What are the query differences between PostgreSQL and SQL Server? Compare the query in PostgreSQL vs. MSSQL 中文:两种数据库的查询语句区别 PostgreSQL PostgreSQL提供PL/pgSQL过程式编程语言。除标准SQL外,PostgreSQL还提供高级类型和用户定义类型、扩展和自定义模块、JSON支持以及触发器和其他功能的附加选项等额外...
$ node index.js Raw SQL: Average query time: 0.18 ms Parameterized Average query time: 0.18 ms 👍1 codyebberson commented on Feb 22, 2025 codyebberson on Feb 22, 2025 Sponsor The repro is very consistently in between these two steps: Final step of the send: Client.query Client....
query: "SELECT pg_database.datname, pg_database_size(pg_database.datname) as size_bytes FROM pg_database" master: true cache_seconds: 30 metrics: - datname: usage: "LABEL" description: "Name of the database" - size_bytes: