There are two methods in which the PreparedStatement is used. The first method is called in the second method. First method: Second method: The class in which both methods are located extends the JDBCBaseManager. JDBCBaseManager: The ResultSet in the second method still contains the results from the first met…
Tag: java
Complex SQL Query For Counting and Listing
I need to write complex sql for counting distinct names popularity and sorting them with descending order. I’ll do this with hibernate @Query(“SELECT * FROM …”) parameter. First I tried to do it on SQL then implement it to my spring boot project but I’m stuck while writing it. So…
Socket closed inside XWM
I have an SQL exception inside a piece of code that works under and scheduled process every day. The patch of code is as follows: There should be no connection problems with this but today i have a socket closed exception in my log in: Here is my log: Any thoughts about why this could happen? First time this …
Schema-validation: wrong column type encountered in column
Error: Schema-validation: wrong column type encountered in column [curr_step] in table [risk_workflow]; found [varchar2 (Types#VARCHAR)], but expecting [number(19,0) (Types#BIGINT)] Please let me know how can we solve this? Column declaration in entity class “risk_workflow” WorkflowTaskRoleMapping…
JdbcTemplate SELECT query to get unique rows (each row with unique ID is present once)
Anyone willing to help me out with one jdbctemplate query? Need to get only rows with unique id’s but there are duplicates, because other columns, such as date have different values. I need to get the max date preferably and the resultset should not have any duplicates. 😡 output: This almost works, but …
Unknown column sql error while using jooq
Query: Error: Database: MYSQL, Database Name: ‘users’, JOOQ Version: 3.16.6 Answer Correlating derived tables isn’t supported in MySQL 5.7. Support has been added only in MySQL 8.0.14: https://dev.mysql.com/doc/refman/8.0/en/derived-tables.html jOOQ currently can’t work around this lim…
Invalid path in HQL and weird substitutions
I hope you can help me with this. I am working on the upgrade of a customized installation of DSpace from 5.5 to 6.3 and I am running into a weird issue with HQL. The SQL that I am trying to implement is this: and this is the HQL that I wrote in my code and it is supposed to
how do i save a new student that contains entities, but don’t create these entities because they already exist in the database?
I want to save a student and a student has a TargetAudience object as an attribute. These target audiences are allready hardcoded in my database. (targetaudience = campus + major). Now when i post like this: it doesnt work because everythime it creates a new object for the campus and because i use name as a p…
Java to SQL Server using Windows Authentication
I am trying to connect to a remote SQL Server DB from a Java application without success. I am able to successfully connect to that SQL Server instance from a SQL client for Mac called SQLPro for MSSQL However, if I try to connect from the Java application using those same credentials, I always get a Login fa…
ERREUR : Unknown column ‘Accessoires’ in ‘where clause’
My query is throwing up this error while i have column Accessoires in table categorie Can anyone see why? I FIXED IT LIKE THIS: Answer Using bound parameters with a prepared statement likely fixes your bug and also solves the severe security issue. The likely reason your code has failed is that test was ̶…