The function ora-lob-copy copies part of the LOB pointed to by src-lob-locator into the LOB pointed to by dest-lob-locator.
The details of the operation are determined by amount, src-offset and dest-offset. These numbers are in characters for CLOB/NCLOB and bytes for BLOB, and the offsets start from 1. The part of the source LOB from offset src-offset of length amount is copied into the destination LOB at offset dest-offset. The default value of dest-offset is 1 and the default value of src-offset is 1.
The destination LOB is extended if needed. If the dest-offset is beyond the end of the destination LOB, the gap between the end and dest-offset is erased, that is, filled with 0 for BLOBs or spaces for CLOBs.
Both LOBs must be internal LOBs, and they must be of the same type, that is, either both BLOB or both CLOB/NCLOB.
ora-lob-append is applicable to internal LOBs only.
If an error occurs and errorp is true, an error is signaled. If errorp is false, the function returns an object of type sql-database-error. The default value of errorp is nil.
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