Oracle.FFI.Lob

Definitions

prim__dataLob : AnyPtr -> PrimIO AnyPtr

  Retrieve the LOB handle stored inside a dpiData value.
  
  Parameters:
  - dpiData pointer
  
  Returns:
  - dpiLob pointer.
  - NULL if no LOB is present.
  
  The returned LOB handle is owned by the statement row and must not be released with `oracle_lob_release`.
  

prim__lobSize : AnyPtr -> PrimIO Int64

  Retrieve the byte size of a LOB.
  
  Returns:
  - Size of the LOB.
  - Negative value on failure.
  

prim__lobRead : AnyPtr -> Int64 -> Int64 -> PrimIO String

  Read bytes from a BLOB.
  
  Parameters:
  - LOB handle
  - offset
  - length
  
  Returns:
  - Allocated buffer containing the data.
  
  The returned buffer must be released with `oracle_lob_free_buffer`.
  

prim__clobRead : AnyPtr -> PrimIO String

  Read a CLOB as UTF-8 text.
  
  The returned string is allocated by the C layer and must be released.
  

prim__lobRelease : AnyPtr -> PrimIO ()

  Release a LOB handle.