Recent questions tagged PostgreSQL

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postgresql - How to execute a string result of a stored procedure in postgres

I have created the following stored procedure, which basically receives a name of table, and a prefix. The ... state: 42601 Character: 728 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - Select top three values in each group

following is my sample table and rows create table com (company text,val int); insert into com values ('com1',1 ... com3 555 com3 444 com3 333 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - Creating a trigger for child table insertion returns confusing error

I am trying to write a trigger function that will input values into separate child tables, however I am getting an ... why I am getting this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - What's the difference between "local" and "localhost" connection types in pg_hba.conf?

This is the relevant part of my pg_hba.conf: # TYPE DATABASE USER ADDRESS METHOD # "local" is for Unix ... , have effect on postgres user? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - Rails scope - where in exact matches

Is it possible to make scope in Rails with where IN (?) query, which will check exact matches? for example: Post.joins( ... 1, 2, 3, 4 tags. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - Relation does not exist

I have just connected Powerbuilder with PostgreSQL through ODBC, but something goes wrong when I'm trying ... .ID_CORE FROM CORE_SAM' See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - SpringBoot+Kotlin+Postgres and JSONB: "org.hibernate.MappingException: No Dialect mapping for JDBC type"

I have been consulting a number of approaches/posts/stackoverflow questions in order to deal with the following error ( ... nullable = false) @Enumerated(value = EnumType.STRING) @...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - Table with coordinates of a hexagonal grid that covers the world

Looking for an implementation in PostGIS for generating a hexagonal grid that covers the the whole planet in order ... have a fixed area See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - saving python object in postgres table with pickle

I have a python script which creates some objects. I would like to be able to save these objects into my ... in a SQL (postgres) database? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - Trigger with dynamic field name

I have a problem on creating PostgreSQL (9.3) trigger on update table. I want set new values in the loop as ... do I go about achieving that? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - Inserting DEFAULT value into a column when a parameter is NULL

I would like to write a stored procedure like this: CREATE OR REPLACE FUNCTION my_function(param_1 text, param_2 text ... for pointing it out. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql 9.3 - Laravel 5.5 why is exception not thrown by foreign key violation from delete method?

Update 3: This problem from 9 months ago persists with Laravel 5.8 and Postgresql 11 on Windows 10 in a ... size but the problem persists. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - How to annotate unique constraint with WHERE clause in JPA

I need to use these unique constraints in PostgreSQL CREATE UNIQUE INDEX favorites_3col_uni_idx ON favorites (user_id, ... unique index? Thx. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - How to test my ad-hoc SQL with parameters in Postgres query window

In Microsoft SQL Server, to test something like this in the query window: select * from Users where LastName = ... times. Is there a way? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - Why do SQL id sequences go out of sync (specifically using Postgres)?

I've seen solutions for updating a sequence when it goes out of sync with the primary key it's generating, but I ... an id for an existing row. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - Mountain Lion Postgres could not connect

After my update to mountain lion my postgres doest work. It is still running but my applications cant connect ... pointing to the right place See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - Get table and column "owning" a sequence

I can run the following line: ALTER SEQUENCE seqName OWNED BY table.id; How can I get the 'owner' set by OWNED BY ... (in this case: table.id)? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - Getting name of the current function inside of the function with plpgsql

Is there anyway from within a plpgsql function that you can get the name of the function? Or even the OID of the ... using PostgreSQL v. 9.1.5 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - Is INSERT RETURNING guaranteed to return things in the "right" order?

Example: create table foo( id serial, txt text ); insert into foo(txt) values ('a'),('b'),(' ... that may fail under odd circumstances? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - Printing to screen in .sql file postgres

This sounds like it should be a very easy thing to do, however, I cannot find ANYWHERE how to do it. I ... X Is this possible in Postgres? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - Problems while importing a txt file into postgres using php

I am trying to import a txt/csv file into my postgres database from php using "copy" command. I cannot use COPY ... ^ in script.php on line 30 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - How to interpret PosgreSQL txid_current() value

I have the below psql statements: Assumption :initial txid: a select txid_current(); -------------- ... txid without the additional increment ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - How to create GIN index in Django migration

In Django, since version 1.11 we have a class for PostgreSQL GinIndex (https://docs.djangoproject.com/en/1.11/ref/ ... ... query the best way? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - Get this week's monday's date in Postgres?

How can I get this week's monday's date in PostgreSQL? For example, today is 01/16/15 (Friday). This week's monday date is 01/12/15. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - Running sql scripts with interdependencies

I have a project utilizing a postgres database in the backend and I'm working to create a Dockerfile which ... from restructuring the scripts? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - Postgres log file contains: missing chunk number 0 for toast value 815441 in pg_toast_2619

Below log message is available in postgres log file several thousand times. How to resolve. missing chunk number 0 ... the reason behind this. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - Restore a remote dump to RDS

I know how to restore a pg dump into a RDS database if that dump is in my machine, but how could I do ... /database.dump" Thanks for your help! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - Flyway multiple metadata tables in one schema

I'm trying to use Flyway to version the database of a modular application. Each module has its own ... create the metadata table myself? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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