pg_lo_read

PostgreSQL
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pg_lo_read

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pg_lo_read — read a large object

pg_lo_read conn fd bufVar len

conn: Specifies a valid database connection.
fd: File descriptor for the large object from pg_lo_open.
bufVar: Specifies a valid buffer variable to contain the large object segment.
len: Specifies the maximum allowable size of the large object segment.

None

pg_lo_read reads at most len bytes from a large object into a variable named bufVar.

bufVar must be a valid variable name.

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