Postgresql – JPA repository query that returns all rows with a nth-to-nth relation
I have a table that looks like this: id A B 1 A1 B1 2 A1 B2 3 A2 B2 4 A2 B3 Then I have a list of items for which I want to find the corresponding database rows.…
Postgresql – UPDATE Statement ignores INNER JOIN
I expect the SQL-Statement to update a limited amounts of rows, instead of every row: UPDATE Join_Test_1 SET ANumber = 3 FROM Join_Test_1 AS ST1 INNER JOIN Join_Test_2 AS ST2 ON ST1.PKID = ST2.PKID; I expect the statement to behave…
Postgresql – Entity Framework Core : check if comma-separated string contains any value from list
I have the following table: recipe id | ingredients ----+-------------- 1 | "1,2,3" 2 | "3,4" 3 | "2" 4 | "1,2,3,4" I want to find all recipes containing ingredient "1", "3" or "4". How can I achieve that using…
Postgresql – Searching for records that meet specific conditions
This is my database design: CREATE TABLE post ( id INT, user_id INT, type_id INT ); I want to get a list of users who wrote posts of types 1 and 2 only. This seems to be working: select distinct…
ADX plugin postgresql_request failed to load System.Security.Cryptography.Algorithms
I have an Azure Data Explorer (ADX) aka. Kusto instance in combination with a PostgreSQL Flexible Server (16.4) and want to access a the SQL table test_adx_meta from ADX. There are no firewall or IP range limitations. I followed the…
how to handle the where clause for encrypted data in postgresql?
I am working with a PostgreSQL database and need to encrypt sensitive data fields (like SSN and email) for security purposes. However, I want to be able to query these encrypted fields efficiently, especially using WHERE clauses, without decrypting each…
Postgresql – How is manual ANALYZE different from being scheduled by autovacuum
We encountered a situation where CPU usage hit 100% due to a frequently running query. The issue resolved after performing a manual ANALYZE on the table involved in the query. However, I noticed the following: Auto-analyze ran at 11:46 UTC…
Flyway Unsupported Database: PostgreSQL 17.0
Flyway does not support Postgres 17, before it was 16 and the same error message occurred, I have changed the dependencies several times and it remains the same. Finally, I installed db 17 and the latest version of the flyway…
Postgresql – Deploying Django REST API backend on AZURE
I have tried to solve how to deploy Django project on Azure, been following many tutorials but in this point i cant point whats the issue. Deploying from GitHub, deployment have been success whew times but i cant to access…
Postgresql – SQL Error [42601]: ERROR: syntax error at or near "where" Position: 234
Merge /*+ parallel (16)*/ into psx_cluster_audit_t_1 a using psx_cluster_cross_ref_t_1 b on ( a.psx_id=b.RECORD_ID and a.PSX_BATCH_ID=b.PSX_BATCH_ID and b.psx_batch_id='2411121519014999' ) when matched then update set mpc_new=b.mpc where a.mpc_new is null The above query giving: SQL Error [42601]: ERROR: syntax error at or…