Clean up CREATE FUNCTION syntax usage in contrib and elsewhere, in

particular get rid of single quotes around language names and old WITH ()
construct.

Author: petere

contrib/btree_gist/btree_gist.sql.in

@@ -7,12 +7,12 @@ SET search_path = public;
 CREATE OR REPLACE FUNCTION cube_in(cstring)
 RETURNS cube
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 CREATE OR REPLACE FUNCTION cube_out(cube)
 RETURNS cstring
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 CREATE TYPE cube (
 	INTERNALLENGTH = variable,
@@ -27,7 +27,7 @@ COMMENT ON TYPE cube IS 'multi-dimensional cube ''(FLOAT-1, FLOAT-2, ..., FLOAT-
 
 CREATE OR REPLACE FUNCTION cube(text) RETURNS cube
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 COMMENT ON FUNCTION cube(text) IS 'convert text to cube';
 
@@ -42,70 +42,70 @@ CREATE CAST (text AS cube) WITH FUNCTION cube(text) AS ASSIGNMENT;
 CREATE OR REPLACE FUNCTION cube_eq(cube, cube)
 RETURNS bool
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 COMMENT ON FUNCTION cube_eq(cube, cube) IS 'same as';
 
 CREATE OR REPLACE FUNCTION cube_ne(cube, cube)
 RETURNS bool
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 COMMENT ON FUNCTION cube_ne(cube, cube) IS 'different';
 
 CREATE OR REPLACE FUNCTION cube_lt(cube, cube)
 RETURNS bool
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 COMMENT ON FUNCTION cube_lt(cube, cube) IS 'lower than';
 
 CREATE OR REPLACE FUNCTION cube_gt(cube, cube)
 RETURNS bool
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 COMMENT ON FUNCTION cube_gt(cube, cube) IS 'greater than';
 
 CREATE OR REPLACE FUNCTION cube_le(cube, cube)
 RETURNS bool
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 COMMENT ON FUNCTION cube_le(cube, cube) IS 'lower than or equal to';
 
 CREATE OR REPLACE FUNCTION cube_ge(cube, cube)
 RETURNS bool
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 COMMENT ON FUNCTION cube_ge(cube, cube) IS 'greater than or equal to';
 
 CREATE OR REPLACE FUNCTION cube_cmp(cube, cube)
 RETURNS int4
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 COMMENT ON FUNCTION cube_cmp(cube, cube) IS 'btree comparison function';
 
 CREATE OR REPLACE FUNCTION cube_contains(cube, cube)
 RETURNS bool
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 COMMENT ON FUNCTION cube_contains(cube, cube) IS 'contains';
 
 CREATE OR REPLACE FUNCTION cube_contained(cube, cube)
 RETURNS bool
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 COMMENT ON FUNCTION cube_contained(cube, cube) IS 'contained in';
 
 CREATE OR REPLACE FUNCTION cube_overlap(cube, cube)
 RETURNS bool
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 COMMENT ON FUNCTION cube_overlap(cube, cube) IS 'overlaps';
 
@@ -114,17 +114,17 @@ COMMENT ON FUNCTION cube_overlap(cube, cube) IS 'overlaps';
 CREATE OR REPLACE FUNCTION cube_union(cube, cube)
 RETURNS cube
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 CREATE OR REPLACE FUNCTION cube_inter(cube, cube)
 RETURNS cube
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 CREATE OR REPLACE FUNCTION cube_size(cube)
 RETURNS float8
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 
 -- Misc N-dimensional functions
@@ -134,54 +134,54 @@ LANGUAGE 'C' IMMUTABLE STRICT;
 CREATE OR REPLACE FUNCTION cube_distance(cube, cube)
 RETURNS float8
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 -- Extracting elements functions
 
 CREATE OR REPLACE FUNCTION cube_dim(cube)
 RETURNS int4
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 CREATE OR REPLACE FUNCTION cube_ll_coord(cube, int4)
 RETURNS float8
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 CREATE OR REPLACE FUNCTION cube_ur_coord(cube, int4)
 RETURNS float8
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 CREATE OR REPLACE FUNCTION cube(float8) RETURNS cube
 AS 'MODULE_PATHNAME', 'cube_f8'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 CREATE OR REPLACE FUNCTION cube(float8, float8) RETURNS cube
 AS 'MODULE_PATHNAME', 'cube_f8_f8'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 CREATE OR REPLACE FUNCTION cube(cube, float8) RETURNS cube
 AS 'MODULE_PATHNAME', 'cube_c_f8'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 CREATE OR REPLACE FUNCTION cube(cube, float8, float8) RETURNS cube
 AS 'MODULE_PATHNAME', 'cube_c_f8_f8'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 -- Test if cube is also a point
 
 CREATE OR REPLACE FUNCTION cube_is_point(cube)
 RETURNS bool
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 -- Increasing the size of a cube by a radius in at least n dimensions
 
 CREATE OR REPLACE FUNCTION cube_enlarge(cube, float8, int4)
 RETURNS cube
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 --
 -- OPERATORS
@@ -247,37 +247,37 @@ CREATE OPERATOR ~ (
 CREATE OR REPLACE FUNCTION g_cube_consistent(internal,cube,int4)
 RETURNS bool
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C';
+LANGUAGE C;
 
 CREATE OR REPLACE FUNCTION g_cube_compress(internal)
 RETURNS internal 
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C';
+LANGUAGE C;
 
 CREATE OR REPLACE FUNCTION g_cube_decompress(internal)
 RETURNS internal 
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C';
+LANGUAGE C;
 
 CREATE OR REPLACE FUNCTION g_cube_penalty(internal,internal,internal)
 RETURNS internal
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' STRICT;
+LANGUAGE C STRICT;
 
 CREATE OR REPLACE FUNCTION g_cube_picksplit(internal, internal)
 RETURNS internal
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C';
+LANGUAGE C;
 
 CREATE OR REPLACE FUNCTION g_cube_union(internal, internal)
 RETURNS cube 
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C';
+LANGUAGE C;
 
 CREATE OR REPLACE FUNCTION g_cube_same(cube, cube, internal)
 RETURNS internal 
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C';
+LANGUAGE C;
 
 
 -- Create the operator classes for indexing