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contrib/tsm_system_rows

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This commit is contained in:
Simon Riggs
2015-05-15 15:31:14 -04:00
parent 149f6f1576
commit 4d40494b11
7 changed files with 390 additions and 0 deletions
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contrib/tsm_system_rows/tsm_system_rows--1.0.sql Normal file
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/* 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');