| PostgreSQL 7.4.23 Documentation | ||||
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The handle of a connection to the database in which the large object exists.
A descriptor for the large object from pg_lo_open.
The name of a buffer variable to contain the large object segment.
The maximum number of bytes to read.
The number of bytes actually read is returned; this could be less than the number requested if the end of the large object is reached first. In event of an error, the return value is negative.
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