What would be the correct syntax in Postgres to do something like: SELECT ARRAY[4,5,6] IN ARRAY[[4,5,6],[7,8,9]]; Some dbs have a list_contains or IN UNNEST(arr_expr) to do something like the above but I haven't been having luck checking in Postgres docs.
I am using Postgresql with pgvector for searching similarity between images. The vector should have up to 2000 dimensions, so that Postgres/pgvector can index it. I am creating a vector of the image with Python and VGG16/VGG19. As a result,…
I am attempting to create database in postgres docker container using createdb command. It creates database, but I also get an error message: psql: error: connection to server on socket "/tmp/.s.PGSQL.5432" failed: No such file or directory and I am…
I habe 3 tables for M2M relation class MoneyManagementsResult(Base): __tablename__ = "money_managements_results" strategies = relationship( "Strategy", secondary="strategy_mm_result", back_populates="mm_results" ) class Strategy(Base): __tablename__ = "strategies" mm_results = relationship( "MoneyManagementsResult", secondary="strategy_mm_result", back_populates="strategies" ) class StrategyMMResult(Base): __tablename__ = "strategy_mm_result" strategy_id = Column(Integer, ForeignKey("strategies.id"),…
I am designing a DB schema for a meal planning application. Each meal plan consists of blocks (2 months of diet, 2 months of bulking), each block of meals for the day, each meal of the day of foods. I…
I'm trying to set up data replication between PostgreSQL databases using Apache Age and I am getting an error message like this: "replication slot 'slot_name' does not exist". I was expecting the primary database's replication slot to be established and…
Upon trying the sample code here: https://cloud.google.com/sql/docs/postgres/connect-app-engine-standard#connect-connectors ... And here: https://cloud.google.com/sql/docs/postgres/iam-logins ... The connection times out when using the private IP (but correctly resolves the private IP using the instance name), and the same code with the public IP (by…
create table phone_log(phone_number CHAR(20) NOT NULL, area_code CHAR(10)); INSERT INTO phone_log(phone_number) VALUES ('310-430-9201'); INSERT INTO phone_log(phone_number) VALUES ('917-829-2876'); INSERT INTO phone_log(phone_number) VALUES ('424-917-1055') How do I insert the area code of each phone number using the SUBSTRING FUNCTION for each…
There is table in postgres db: event_stats_table id: pk int rank: int rank_delta: int event_id: int user_id: int Every record saves user position for every event. I am trying to write a query which would update rank_delta fields for all…
How can I add the Apache AGE extension to my PostgreSQL database hosted on Amazon RDS? I want to utilize the graph database capabilities offered by Apache AGE within my existing PostgreSQL environment. I have researched the process but couldn't…