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Tag: sql

Are all exceptions throw from Jdbi of type JdbiException?

It states here: https://jdbi.org/apidocs/org/jdbi/v3/core/JdbiException.html that JdbiException is the Base unchecked exception for exceptions thrown from jdbi. However, if I’m calling the withHandle method with various different callbacks: the docs state that it throws X extends Exception (rather than throwing JdbiExecption as I would have expected) and describes it as @param <X> exception type thrown by the callback, if any.: I

Connecting 3 tables with hibernate / spring-boot

I have problem understanding how to connect 3 tables with spring-boot / hibernate. Tables are: Users, Technologies, Categories Every user has all of the 10 categories but inside this categories they can save one or more technologies. Each technology can be listed in several different categories. I have a code that works partially as for now instead referencing the table

executeUpdate() returns always 1 with MERGE statement

ExecuteUpdate() is always returning 1. Pls suggest and appreciate any input. Procedure: Java code: stmt.executeUpdate() – always returns 1, even though insertion happens only once. Appreciate any inputs on this. Ideally, if there are no insertions or errors, it should return 0 or any exception trace. Pls, suggest.** Answer We can make the column a primary key. Now when multiple

How can I reference a view in the entity? (Spring Boot)

I have a question. Of course, I have previously looked on the Internet and searched for the solution. Unfortunately, I have not found a solution. I have a Spring Boot application that processes the information from customers. But this application should not point to a table as usual but to a view that requests information from two tables. How do

SQL Error Invalid column when using java servlet [closed]

Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 1 year ago. Improve this question

How to parse a Clickhouse-SQL statement using ANTRL4?

Objective : Add an additional WHERE clause to any given Clickhouse statement. I’m using the following Antlr grammars to generate Java classes for a lexer & parser. Lexer grammar https://github.com/ClickHouse/ClickHouse/blob/master/utils/antlr/ClickHouseLexer.g4 Parser grammar https://github.com/ClickHouse/ClickHouse/blob/master/utils/antlr/ClickHouseParser.g4 Problem : I cannot figure out/understand how to interact or create the appropriate POJOs for use with the generated classes that Antlr produces. Example of statement Goal

Seeding Initial Data – Spring Boot with data.sql

data.sql is executed before JPA entities are created and it creates the error that the table is not found. can anyone help me with it? I have seen the same question in this link Spring Boot – Loading Initial Data but the question is not answered. Answer This is a normal and wanted behaviour from Springboot since version 2.5 I

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