and this number is referred to as the fetch size. In Oracle JDBC, the row-prefetch value is used as the default fetch size in a statement object. Setting the fetch size overrides the row-prefetch setting and af
JDBC driver sets a savepoint before each query, and rolls back to that savepoint in case of failure. Inautosave=nevermode (default), no savepoint dance is made ever. Inautosave=conservativemode, savepoint is set for each query, however the rollback is done only for rare cases like 'cached...
PropertyTypeDefaultDescription pgjdbc.config.cleanup.thread.ttl long 30000 The driver has an internal cleanup thread which monitors and cleans up unclosed connections. This property sets the duration (in milliseconds) the cleanup thread will keep running if there is nothing to clean up....
1. 获取集群访问地址:通过集群 JDBC URL 中的 IP 和端口连接数据库. 2. 连接到集群数据库:安装客户端并连接集群数据库. 前提条件 1. 已获取云数据仓库 PostgreSQL 集群的数据库管理员密码.数据库管理员密码为开始创建集群时设置的管理员账号密码. 2. 已获取创建好的云数据仓库 PostgreSQL 集群的访问 IP,端口...
chore: use Java 21 for building pgjdbc by default 1个月前 KEYS doc: add Vladimir Sitnikov's PGP key 3年前 LICENSE docs: change license to BSD-2-Clause (#660) 9年前 README.md Deprecate all PostgreSQL versions older than 9.1 (#3335) ...
("jdbc: postgresql://mygpdbpub.gpdb.rds.aliyuncs.com:3432/postgres","mygpdb"," mygpdb"); Statement st = db.createStatement(); ResultSet rs = st.executeQuery("select * from gp_segment _configuration;"); while (rs.next()) { System.out.print(rs.getString(1)); System.out.print(...
all data will be retrieved and cached on the client. TheStatementfetch size parameter described in the section called"Getting results based on a cursor"is ignored. This limitation is a deficiency of the JDBC driver, not the server, and it is technically possible to remove it, we just haven...
'jdbc:postgresql://127.0.0.1:5432/test?user=xxx&password=xxx' ); java.sql.Statementstmt=conn.createStatement(); stmt.setMaxRows(200); java.sql.ResultSetrs= stmt.executeQuery('SELECT count(*) FROM bar'); rs.next(); System.out.println(rs.getString(1)); ...
jdbc:postgresql:[//host[:port]/][database][?property1=value1[&property2=value2]...] where:jdbc:postgresql: (Required) is known as the sub-protocol and is constant. host (Optional) is the server address to connect. This could be a DNS or IP address, or it could be localhost or ...
add rename drop } } sink { jdbc { url = "jdbc:postgresql://192.168.8.101:54...