Help Center/ GaussDB/ Developer Guide(Distributed_8.x)/ SQL Reference/ SQL Syntax/ A/ ALTER GLOBAL CONFIGURATION
Updated on 2024-08-20 GMT+08:00
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ALTER GLOBAL CONFIGURATION

Description

Adds or modifies key-value of the gs_global_config system catalog. You can modify an existing parameter or add a new one.

Precautions

  • Only the initial database user can run this command.
  • The parameter name cannot be weak_password or undostoragetype.

Syntax

ALTER GLOBAL CONFIGURATION with(name=value, name=value...);

Parameters

  • name

    Parameter name, which is of the text type. The value cannot be weak_password or undostoragetype.

  • value

    Parameter value, which is of the text type.

Examples

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-- Insert.
gaussdb=# ALTER GLOBAL CONFIGURATION with(redis_is_ok = true);

-- Query.
gaussdb=# SELECT * FROM gs_global_config;
      name       | value
-----------------+-------
 buckets_len     | 16384
 undostoragetype | page
 redis_is_ok     | true
(3 rows)

-- Modify.
gaussdb=# ALTER GLOBAL CONFIGURATION with(redis_is_ok = false);

-- Query.
gaussdb=# SELECT * FROM gs_global_config;
      name       | value
-----------------+-------
 buckets_len     | 16384
 undostoragetype | page
 redis_is_ok     | false
(3 rows)

-- Delete.
gaussdb=# DROP GLOBAL CONFIGURATION redis_is_ok;

-- Query.
gaussdb=# SELECT * FROM gs_global_config;
      name       | value
-----------------+-------
 buckets_len     | 16384
 undostoragetype | page
(2 rows)

Helpful Links

DROP GLOBAL CONFIGURATION

Parent topic: A