Added initial version of the CData data type.

[postrr.git] / src / postrr.sql.in

diff --git a/src/postrr.sql.in b/src/postrr.sql.in
index bc0d20af0fd810b5f659703abeac4c68786d0cba..22ce15ca3eaa2affab83f5188a30a25244fa63b2 100644 (file)
--- a/src/postrr.sql.in
+++ b/src/postrr.sql.in
@@ -198,6 +198,35 @@ CREATE OPERATOR CLASS rrtimeslice_ops
                OPERATOR 5 > ,
                FUNCTION 1 RRTimeslice_cmp(rrtimeslice, rrtimeslice);
 
+CREATE TYPE CData;
+
+CREATE OR REPLACE FUNCTION CData_validate(integer)
+       RETURNS cstring
+       AS 'postrr-@POSTRR_MAJOR_VERSION@.@POSTRR_MINOR_VERSION@', 'cdata_validate'
+       LANGUAGE 'C' IMMUTABLE STRICT;
+
+-- this will abort the transaction in case the expected internal length does
+-- not match the actual length
+SELECT CData_validate(24);
+
+CREATE OR REPLACE FUNCTION CData_in(cstring, oid, integer)
+       RETURNS CData
+       AS 'postrr-@POSTRR_MAJOR_VERSION@.@POSTRR_MINOR_VERSION@', 'cdata_in'
+       LANGUAGE 'C' IMMUTABLE STRICT;
+
+CREATE OR REPLACE FUNCTION CData_out(CData)
+       RETURNS cstring
+       AS 'postrr-@POSTRR_MAJOR_VERSION@.@POSTRR_MINOR_VERSION@', 'cdata_out'
+       LANGUAGE 'C' IMMUTABLE STRICT;
+
+CREATE TYPE CData (
+       INTERNALLENGTH = 24,
+       INPUT          = CData_in,
+       OUTPUT         = CData_out,
+       ALIGNMENT      = double,
+       STORAGE        = plain
+);
+
 COMMIT;
 
 SET client_min_messages TO DEFAULT;