How to find size used for the storage of BLOB or CLOB variable

By | February 14, 2017

lobsize returns the size (in bytes) used for the storage of BLOB or CLOB variable.




# How much space spent for a clob?
Local Clbfile MY_CLOB(0)
MY_SIZE=lobsize(MY_CLOB) : # Returns 1016 (stores 508 characters)
My_CLOB=string$(50,space$(10))+space$(9) : # Assign a 509 character string
MY_SIZE=lobsize(MY_CLOB) : # Returns 66550 (MY_CLOB has been automatically enlarged)

Local Clbfile MY_CLOB(1)
MY_SIZE=lobsize(MY_CLOB) : # Returns 2040

# Here I is an integer value between 0 and 10
Local Clbfile MY_CLOB(I)
MY_SIZE=lobsize(MY_CLOB) : # Returns 2^(10+I)-8

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