Questions tagged [postgres-16]
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postgres-16
3
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votes
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answers
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How to avoid circular relations in postgres using cycle detection
I'm trying to use CYCLE detection in PostgreSQL to avoid circular nesting of groups but cannot figure it out.
I have the following PostgreSQL 16 table:
CREATE TABLE groups (
id serial PRIMARY KEY,
...
- 158
0
votes
1
answer
38
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How can I get a duplicate key error if the row does not match the predicate of the unique index?
I'm using Postgres v16. I've got a unique index on my invoice table:
CREATE UNIQUE INDEX unq_invoice_display_id
ON invoice (tenant_id, display_id, expiry_timestamp)
WHERE id = original_invoice_id;
#...
- 1,427
1
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answer
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Copying data from one postgres db to another
I want to copy data from one PG database to another, without moving the data to my local and back to the db -
pg_dump -U postgres source_db_name | psql -U postgres target_db_name
pretty certain this ...
- 97.4k