--- /dev/null
+-- complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "CREATE EXTENSION pg_bigm" to load this file. \quit
+
+CREATE FUNCTION show_bigm(text)
+RETURNS _text
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE;
+
+-- support functions for gin
+CREATE FUNCTION gin_extract_value_bigm(text, internal)
+RETURNS internal
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT;
+
+CREATE FUNCTION gin_extract_query_bigm(text, internal, int2, internal, internal, internal, internal)
+RETURNS internal
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT;
+
+CREATE FUNCTION gin_bigm_consistent(internal, int2, text, int4, internal, internal, internal, internal)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT;
+
+CREATE FUNCTION gin_bigm_compare_partial(text, text, int2, internal)
+RETURNS bool
+AS 'MODULE_PATHNAME'
+LANGUAGE C IMMUTABLE STRICT;
+
+CREATE FUNCTION bigmtextcmp(text, text)
+RETURNS int4
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE;
+
+-- create the operator class for gin
+CREATE OPERATOR CLASS gin_bigm_ops
+FOR TYPE text USING gin
+AS
+ OPERATOR 1 pg_catalog.~~ (text, text),
+ FUNCTION 1 bigmtextcmp (text, text),
+ FUNCTION 2 gin_extract_value_bigm (text, internal),
+ FUNCTION 3 gin_extract_query_bigm (text, internal, int2, internal, internal, internal, internal),
+ FUNCTION 4 gin_bigm_consistent (internal, int2, text, int4, internal, internal, internal, internal),
+ FUNCTION 5 gin_bigm_compare_partial (text, text, int2, internal),
+ STORAGE text;
+
+CREATE FUNCTION likequery(text)
+RETURNS text
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE;
+
+CREATE FUNCTION pg_gin_pending_stats(index regclass, OUT pages int4, OUT tuples int8)
+RETURNS record
+AS 'MODULE_PATHNAME'
+LANGUAGE C STRICT IMMUTABLE;