enable_ps_parameterize

2026-02-03 08:48:38  Updated

Note

For V4.3.x, this parameter is available starting with V4.3.5 BP4.

Description

enable_ps_parameterize specifies whether to enable parameterization for prepared statements (PS) during parsing.

Privilege requirements

  • Query the parameter

    The sys tenant and all user tenants can use the SHOW PARAMETERS statement or the GV$OB_PARAMETERS view to query this parameter.

  • Modify the parameter

    The sys tenant and user tenants can use the ALTER SYSTEM SET statement to modify this parameter.

Attributes

Attribute Description
Type Bool
Default value
  • For new tenants, the default value is False.
  • For existing tenants, the default value is True.
  • Value range
    • True: Enable parameterization.
    • False: Disable parameterization.
    Modifiable Yes. You can use the ALTER SYSTEM SET statement to modify the parameter.
    Effective upon OBServer node restart No. The setting takes effect immediately.

    Examples

    Disable parameterization for prepared statements (PS).

    obclient> ALTER SYSTEM SET enable_ps_parameterize = false;
    

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