Add casts between lo and oid.
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@ -1,7 +1,7 @@
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--
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-- PostgreSQL code for LargeObjects
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--
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-- $Id: lo.sql.in,v 1.8 2002/10/18 18:41:20 momjian Exp $
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-- $Id: lo.sql.in,v 1.9 2002/12/31 10:22:03 inoue Exp $
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--
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--
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-- Create the data type
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@ -17,13 +17,13 @@ SET autocommit TO 'on';
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CREATE FUNCTION lo_in(cstring)
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RETURNS lo
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C';
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LANGUAGE 'C' IMMUTABLE;
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-- used by the lo type, it returns the oid of the object
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CREATE FUNCTION lo_out(lo)
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RETURNS cstring
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C';
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LANGUAGE 'C' IMMUTABLE;
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-- finally the type itself
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CREATE TYPE lo (
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@ -37,7 +37,7 @@ CREATE TYPE lo (
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CREATE FUNCTION lo_oid(lo)
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RETURNS oid
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C';
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LANGUAGE 'C' IMMUTABLE;
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-- same function, named to allow it to be used as a type coercion, eg:
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-- CREATE TABLE a (image lo);
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@ -46,14 +46,16 @@ LANGUAGE 'C';
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CREATE FUNCTION oid(lo)
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RETURNS oid
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AS 'MODULE_PATHNAME', 'lo_oid'
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LANGUAGE 'C';
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LANGUAGE 'C' IMMUTABLE;
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CREATE CAST (lo as oid) WITH FUNCTION oid(lo) AS IMPLICIT;
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-- this allows us to convert an oid to a managed lo object
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-- ie: insert into test values (lo_import('/fullpath/file')::lo);
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CREATE FUNCTION lo(oid)
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RETURNS lo
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C';
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LANGUAGE 'C' IMMUTABLE;
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CREATE CAST (oid as lo) WITH FUNCTION lo(oid) AS IMPLICIT;
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-- This is used in triggers
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CREATE FUNCTION lo_manage()
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