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\echo Use "CREATE EXTENSION pair" to load this file. \quit
CREATE OR REPLACE FUNCTION q3c_sindist_pm(
ra1 double precision, dec1 double precision,
pmra1 double precision, pmdec1 double precision,
epoch1 double precision, ra2 double precision, dec2 double precision,
epoch2 double precision)
RETURNS double precision
AS 'MODULE_PATHNAME', 'pgq3c_sindist_pm'
LANGUAGE C IMMUTABLE COST 100;
-- Importantly this is not strict
CREATE OR REPLACE FUNCTION q3c_dist_pm(
ra1 double precision, dec1 double precision,
pmra1 double precision, pmdec1 double precision,
epoch1 double precision, ra2 double precision, dec2 double precision,
epoch2 double precision)
RETURNS double precision
AS 'MODULE_PATHNAME', 'pgq3c_dist_pm'
LANGUAGE C IMMUTABLE COST 100;
-- Importantly this is not strict
CREATE OR REPLACE FUNCTION q3c_nearby_pm_it(
ra1 double precision, dec1 double precision,
pmra1 double precision, pmdec1 double precision,
maxepoch_delta double precision, rad double precision, flag integer)
RETURNS bigint
AS 'MODULE_PATHNAME', 'pgq3c_nearby_pm_it'
LANGUAGE C IMMUTABLE COST 100;
-- Importantly this is NOT as strict function because we accept nulls as pms
CREATE OR REPLACE FUNCTION q3c_join_pm(
left_ra double precision, -- 1
left_dec double precision, -- 2
left_pmra double precision, -- 3
left_pmdec double precision, -- 4
left_epoch double precision, -- 5
right_ra double precision, -- 6
right_dec double precision, -- 7
right_epoch double precision, -- 8
max_epoch_delta double precision, --9
radius double precision -- 10
)
RETURNS boolean AS
'
SELECT (
((q3c_ang2ipix($6,$7) >= q3c_nearby_pm_it($1,$2,$3,$4,$9,$10,0)) AND
(q3c_ang2ipix($6,$7) <= q3c_nearby_pm_it($1,$2,$3,$4,$9,$10,1)))
OR
((q3c_ang2ipix($6,$7) >= q3c_nearby_pm_it($1,$2,$3,$4,$9,$10,2)) AND
(q3c_ang2ipix($6,$7) <= q3c_nearby_pm_it($1,$2,$3,$4,$9,$10,3)))
OR
((q3c_ang2ipix($6,$7) >= q3c_nearby_pm_it($1,$2,$3,$4,$9,$10,4)) AND
(q3c_ang2ipix($6,$7) <= q3c_nearby_pm_it($1,$2,$3,$4,$9,$10,5)))
OR
((q3c_ang2ipix($6,$7) >= q3c_nearby_pm_it($1,$2,$3,$4,$9,$10,6)) AND
(q3c_ang2ipix($6,$7) <= q3c_nearby_pm_it($1,$2,$3,$4,$9,$10,7))))
AND q3c_sindist_pm($1,$2,$3,$4,$5,$6,$7,$8)<POW(SIN(RADIANS($10)/2),2)
' LANGUAGE SQL IMMUTABLE;
-- not strict
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