IS_BIT_SET

2025-11-14 07:33:32  Updated

The IS_BIT_SET function checks the setting of a specified bit in a specified RAW value.

Applicability

This topic applies only to OceanBase Database Enterprise Edition. OceanBase Database Community Edition provides only the MySQL mode.

Syntax

DBMS_UTILITY.IS_BIT_SET (
   r     IN    RAW,   
   n     IN    NUMBER)
 RETURN NUMBER;

Parameters

Parameter Description
r The RAW source.
n The bit to be checked in the RAW value specified by r.

Return values

If bit n in the RAW value specified by r is set, this function returns 1; otherwise, this function returns 0. Bits are numbered in descending order, with bit 1 as the least significant bit.

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