Quite frequently, I'd like to retrieve only the first N rows from a query, but I don't know in advance what N will be. For example: try(var stream = sql.selectFrom(JOB) .where(JOB.EXECUTE_AFTER.le(clock.instant())) .orderBy(JOB.PRIORITY.asc()) .forUpdate() .skipLocked() .fetchSize(100) .fetchLazy()) { // Now run…
I am trying to read some data from a sql view. I am pyodbc driver for that, I found out that pyodbc cannot read views. Is there is a way to read sql view in a python function? Here is…
I am currently trying to find a unique solution for running my project locally and remotely on a CI-pipeline. On git I got everything working by setting the bean dataSource url of the applicationContext.xml as shown in the following snipped:…
Update: I have removed the duplicate connections, which reduced the time down to 18 seconds. Other improvements would be appreciated as well! I feel like I have some massive oversight that is causing it to take exponentially longer than it…
Environment: Hardware: 8Core, 32GB as a guest OS in VMWare 1TB for data in VSAN Software OS: CentOS 7 64bit JDK version: 11.0.7 PostgreSQL version: 13 Timescaledb version: 2.3.0 PostgreSQL JDBC version: 42.2.18 I have already run timescaledb-tune to optimize…
I'm trying to connect to Postgres using JDBC. The database is running in the Docker container. I am using Windows Docker Desktop (Windows 10 pro) with WSL2. I launch the Docker container using docker-compose. Here is the content of docker-compose:…
I'm trying to load the Wikipedia dumps (for example, this one), which are a series of .sql scripts, into an SQLite database via the org.xerial sqlite-jdbc connector and MyBatis, but it appears to be failing on some /* ... */…
I'm really puzzled by the following query: explain analyze (with z as ( select 1 as attraction ,1 as nd_attraction , n.fc from (select pe_id,zo_id,co_id,value_num as dt from rtpezocoav x --use view?? where pe_id = 405 and ad_id = 4…
I found one article that was close to the issue I am experiencing. It is this one: SQL Server JDBC Error on Java 8: The driver could not establish a secure connection to SQL Server by using Secure Sockets Layer…
My OS = CentOS-7 Oracle 18.4 XE Java 8 JDK + Tomcat 8 I facing the following error: Exception in thread "main" java.lang.NoClassDefFoundError: oracle/dms/console/DMSConsole at oracle.jdbc.driver.DMSFactory.<clinit>(DMSFactory.java:46) at oracle.jdbc.driver.PhysicalConnection.createDMSSensors(PhysicalConnection.java:1713) at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:849) at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:443) at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:34) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:712) at java.sql.DriverManager.getConnection(DriverManager.java:664) at java.sql.DriverManager.getConnection(DriverManager.java:247)…