Documentation Home
MySQL NDB Cluster API Developer Guide
Download this Manual

2.3.18.8 NdbBlob::getNull()

Description.  This method checks whether the blob's value is NULL.

Signature. 

int getNull
    (
      int& isNull
    )

Parameters.  A reference to an integer isNull. Following invocation, this parameter has one of the following values, interpreted as shown here:

  • -1: The blob is undefined. If this is a nonevent blob, this result causes a state error.

  • 0: The blob has a nonnull value.

  • 1: The blob's value is NULL.

Return value.  None.


User Comments
User comments in this section are, as the name implies, provided by MySQL users. The MySQL documentation team is not responsible for, nor do they endorse, any of the information provided here.
Sign Up Login You must be logged in to post a comment.