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Description

This error indicates that the current user or role attempting an operation does not possess the necessary permissions to perform it. It typically occurs when trying to access, modify, or create database objects without the required grants.

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Error Message

insufficient privilege

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Known Causes

4 known causes

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Missing Object Privileges

The connected user lacks specific `SELECT`, `INSERT`, `UPDATE`, `DELETE`, or other DDL/DML privileges on the target table, view, or sequence.

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Role Not Granted

The current user is not a member of a role that holds the necessary permissions for the requested operation.

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Revoked or Restrictive Default Permissions

Permissions on an object or schema were explicitly revoked from `PUBLIC` or default grants for new objects are too restrictive.

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Incorrect Connection User

The application or client is connecting to PostgreSQL using a user account that is different from the one expected to have the required permissions.

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Solutions

5 solutions available

1. Grant Required Privilege easy

Give user permission for the operation

1

Connect as superuser

psql -U postgres

2

Grant SELECT privilege

GRANT SELECT ON TABLE users TO your_user;

3

Grant multiple privileges

GRANT SELECT, INSERT, UPDATE, DELETE ON TABLE users TO your_user;

4

Grant on all tables in schema

GRANT SELECT, INSERT, UPDATE, DELETE ON ALL TABLES IN SCHEMA public TO your_user;

2. Grant Schema Usage easy

Allow user to access schema

1

Grant USAGE on schema

GRANT USAGE ON SCHEMA public TO your_user;

2

Grant CREATE for adding objects

GRANT CREATE ON SCHEMA myschema TO your_user;

3. Grant Sequence Permissions medium

Allow user to use SERIAL/sequences

1

Grant on specific sequence

GRANT USAGE, SELECT ON SEQUENCE users_id_seq TO your_user;

2

Grant on all sequences

GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA public TO your_user;

4. Set Default Privileges medium

Auto-grant on future tables

1

Set default for future tables

ALTER DEFAULT PRIVILEGES IN SCHEMA public
GRANT SELECT, INSERT, UPDATE, DELETE ON TABLES TO your_user;

2

Set default for sequences

ALTER DEFAULT PRIVILEGES IN SCHEMA public
GRANT USAGE, SELECT ON SEQUENCES TO your_user;

5. Check and Fix Ownership medium

Transfer table ownership if needed

1

Check table owner

SELECT tableowner FROM pg_tables WHERE tablename = 'users';

2

Change owner

ALTER TABLE users OWNER TO your_user;

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Related Errors

5 related errors

PostgreSQL Error 42501: Insufficient Privilege Access