mirror of
https://github.com/postgres/postgres.git
synced 2025-05-21 15:54:08 +03:00
45 lines
1.3 KiB
SQL
45 lines
1.3 KiB
SQL
/* src/test/modules/tablesample/tsm_system_rows--1.0.sql */
|
|
|
|
-- complain if script is sourced in psql, rather than via CREATE EXTENSION
|
|
\echo Use "CREATE EXTENSION tsm_system_rows" to load this file. \quit
|
|
|
|
CREATE FUNCTION tsm_system_rows_init(internal, int4, int4)
|
|
RETURNS void
|
|
AS 'MODULE_PATHNAME'
|
|
LANGUAGE C STRICT;
|
|
|
|
CREATE FUNCTION tsm_system_rows_nextblock(internal)
|
|
RETURNS int4
|
|
AS 'MODULE_PATHNAME'
|
|
LANGUAGE C STRICT;
|
|
|
|
CREATE FUNCTION tsm_system_rows_nexttuple(internal, int4, int2)
|
|
RETURNS int2
|
|
AS 'MODULE_PATHNAME'
|
|
LANGUAGE C STRICT;
|
|
|
|
CREATE FUNCTION tsm_system_rows_examinetuple(internal, int4, internal, bool)
|
|
RETURNS bool
|
|
AS 'MODULE_PATHNAME'
|
|
LANGUAGE C STRICT;
|
|
|
|
CREATE FUNCTION tsm_system_rows_end(internal)
|
|
RETURNS void
|
|
AS 'MODULE_PATHNAME'
|
|
LANGUAGE C STRICT;
|
|
|
|
CREATE FUNCTION tsm_system_rows_reset(internal)
|
|
RETURNS void
|
|
AS 'MODULE_PATHNAME'
|
|
LANGUAGE C STRICT;
|
|
|
|
CREATE FUNCTION tsm_system_rows_cost(internal, internal, internal, internal, internal, internal, internal)
|
|
RETURNS void
|
|
AS 'MODULE_PATHNAME'
|
|
LANGUAGE C STRICT;
|
|
|
|
INSERT INTO pg_tablesample_method VALUES('system_rows', false, true,
|
|
'tsm_system_rows_init', 'tsm_system_rows_nextblock',
|
|
'tsm_system_rows_nexttuple', 'tsm_system_rows_examinetuple',
|
|
'tsm_system_rows_end', 'tsm_system_rows_reset', 'tsm_system_rows_cost');
|