PostGIS和ArcSDE的结合

将PostGIS的空间判断底层函数替换成ArcSDE
优点是跟ArcMap一致，缺点是慢

CREATE TEMP TABLE tbtemp (
    oldgeom geometry,
    newgeom sde.st_geometry
);
CREATE INDEX tb_temp_oldgeom_index ON tbtemp(oldgeom);
-- st_relate
-- 注意空间参考的设置
CREATE OR REPLACE FUNCTION st_relate(IN geom1 geometry, IN geom2 geometry, IN param TEXT)
RETURNS BOOLEAN AS $BODY$
DECLARE
    newgeom1 sde.st_geometry;
    newgeom2 sde.st_geometry;
    istrue BOOLEAN;
    srid integer;
BEGIN
        SELECT fvalue::integer INTO srid FROM pg_environment WHERE fkey='srid';
        SELECT newgeom INTO newgeom1 FROM tbtemp WHERE oldgeom = geom1;
        IF newgeom1 IS NULL THEN
                SELECT sde.st_geometry(st_asewkt(geom1),srid) INTO newgeom1;
                INSERT INTO tbtemp VALUES(geom1,newgeom1);
        END if;

        SELECT newgeom INTO newgeom2 FROM tbtemp WHERE oldgeom = geom2;
        IF newgeom2 IS NULL THEN
                SELECT sde.st_geometry(st_asewkt(geom2),srid) INTO newgeom2;
                INSERT INTO tbtemp VALUES(geom2,newgeom2);
        END if;
        SELECT sde.st_relate(newgeom1,newgeom2,param::cstring) INTO istrue;
    RETURN istrue;
END
$BODY$
LANGUAGE 'plpgsql' VOLATILE;

CREATE OR REPLACE FUNCTION st_crosses(IN geom1 geometry, IN geom2 geometry)
RETURNS BOOLEAN AS $BODY$
DECLARE
    newgeom1 sde.st_geometry;
    newgeom2 sde.st_geometry;
    istrue BOOLEAN;
    srid integer;
BEGIN
        SELECT fvalue::integer INTO srid FROM pg_environment WHERE fkey='srid';
        SELECT newgeom INTO newgeom1 FROM tbtemp WHERE oldgeom = geom1;
        IF newgeom1 IS NULL THEN
                SELECT sde.st_geometry(st_asewkt(geom1),srid) INTO newgeom1;
                INSERT INTO tbtemp VALUES(geom1,newgeom1);
        END if;

        SELECT newgeom INTO newgeom2 FROM tbtemp WHERE oldgeom = geom2;
        IF newgeom2 IS NULL THEN
                SELECT sde.st_geometry(st_asewkt(geom2),srid) INTO newgeom2;
                INSERT INTO tbtemp VALUES(geom2,newgeom2);
        END if;

        SELECT sde.stf_crosses(newgeom1,newgeom2) INTO istrue;
    RETURN istrue;
END
$BODY$
LANGUAGE 'plpgsql' VOLATILE;

CREATE OR REPLACE FUNCTION st_touches(IN geom1 geometry, IN geom2 geometry)
RETURNS BOOLEAN AS $BODY$
DECLARE
    newgeom1 sde.st_geometry;
    newgeom2 sde.st_geometry;
    istrue BOOLEAN;
    srid integer;
BEGIN
        SELECT fvalue::integer INTO srid FROM pg_environment WHERE fkey='srid';
        SELECT newgeom INTO newgeom1 FROM tbtemp WHERE oldgeom = geom1;
        IF newgeom1 IS NULL THEN
                SELECT sde.st_geometry(st_asewkt(geom1),srid) INTO newgeom1;
                INSERT INTO tbtemp VALUES(geom1,newgeom1);
        END if;

        SELECT newgeom INTO newgeom2 FROM tbtemp WHERE oldgeom = geom2;
        IF newgeom2 IS NULL THEN
                SELECT sde.st_geometry(st_asewkt(geom2),srid) INTO newgeom2;
                INSERT INTO tbtemp VALUES(geom2,newgeom2);
        END if;
        SELECT sde.stf_touches(newgeom1,newgeom2) INTO istrue;
    RETURN istrue;
END
$BODY$
LANGUAGE 'plpgsql' VOLATILE;

CREATE OR REPLACE FUNCTION st_contains(IN geom1 geometry, IN geom2 geometry)
RETURNS BOOLEAN AS $BODY$
DECLARE
    newgeom1 sde.st_geometry;
    newgeom2 sde.st_geometry;
    istrue BOOLEAN;
    srid integer;
BEGIN
        SELECT fvalue::integer INTO srid FROM pg_environment WHERE fkey='srid';
        SELECT newgeom INTO newgeom1 FROM tbtemp WHERE oldgeom = geom1;
        IF newgeom1 IS NULL THEN
                SELECT sde.st_geometry(st_asewkt(geom1),srid) INTO newgeom1;
                INSERT INTO tbtemp VALUES(geom1,newgeom1);
        END if;

        SELECT newgeom INTO newgeom2 FROM tbtemp WHERE oldgeom = geom2;
        IF newgeom2 IS NULL THEN
                SELECT sde.st_geometry(st_asewkt(geom2),srid) INTO newgeom2;
                INSERT INTO tbtemp VALUES(geom2,newgeom2);
        END if;
        SELECT sde.stf_contains(newgeom1,newgeom2) INTO istrue;
    RETURN istrue;
END
$BODY$
LANGUAGE 'plpgsql' VOLATILE;

CREATE OR REPLACE FUNCTION st_equals(IN geom1 geometry, IN geom2 geometry)
RETURNS BOOLEAN AS $BODY$
DECLARE
    newgeom1 sde.st_geometry;
    newgeom2 sde.st_geometry;
    istrue BOOLEAN;
    srid integer;
BEGIN
        SELECT fvalue::integer INTO srid FROM pg_environment WHERE fkey='srid';
        SELECT newgeom INTO newgeom1 FROM tbtemp WHERE oldgeom = geom1;
        IF newgeom1 IS NULL THEN
                SELECT sde.st_geometry(st_asewkt(geom1),srid) INTO newgeom1;
                INSERT INTO tbtemp VALUES(geom1,newgeom1);
        END if;

        SELECT newgeom INTO newgeom2 FROM tbtemp WHERE oldgeom = geom2;
        IF newgeom2 IS NULL THEN
                SELECT sde.st_geometry(st_asewkt(geom2),srid) INTO newgeom2;
                INSERT INTO tbtemp VALUES(geom2,newgeom2);
        END if;
        SELECT sde.stf_equals(newgeom1,newgeom2) INTO istrue;
    RETURN istrue;
END
$BODY$
LANGUAGE 'plpgsql' VOLATILE;

CREATE OR REPLACE FUNCTION st_intersects(IN geom1 geometry, IN geom2 geometry)
RETURNS BOOLEAN AS $BODY$
DECLARE
    newgeom1 sde.st_geometry;
    newgeom2 sde.st_geometry;
    istrue BOOLEAN;
    srid integer;
BEGIN
        SELECT fvalue::integer INTO srid FROM pg_environment WHERE fkey='srid';
        SELECT newgeom INTO newgeom1 FROM tbtemp WHERE oldgeom = geom1;
        IF newgeom1 IS NULL THEN
                SELECT sde.st_geometry(st_asewkt(geom1),srid) INTO newgeom1;
                INSERT INTO tbtemp VALUES(geom1,newgeom1);
        END if;

        SELECT newgeom INTO newgeom2 FROM tbtemp WHERE oldgeom = geom2;
        IF newgeom2 IS NULL THEN
                SELECT sde.st_geometry(st_asewkt(geom2),srid) INTO newgeom2;
                INSERT INTO tbtemp VALUES(geom2,newgeom2);
        END if;
        SELECT sde.stf_intersects(newgeom1,newgeom2) INTO istrue;
    RETURN istrue;
END
$BODY$
LANGUAGE 'plpgsql' VOLATILE;

CREATE OR REPLACE FUNCTION st_overlaps(IN geom1 geometry, IN geom2 geometry)
RETURNS BOOLEAN AS $BODY$
DECLARE
    newgeom1 sde.st_geometry;
    newgeom2 sde.st_geometry;
    istrue BOOLEAN;
    srid integer;
BEGIN
        SELECT fvalue::integer INTO srid FROM pg_environment WHERE fkey='srid';
        SELECT newgeom INTO newgeom1 FROM tbtemp WHERE oldgeom = geom1;
        IF newgeom1 IS NULL THEN
                SELECT sde.st_geometry(st_asewkt(geom1),srid) INTO newgeom1;
                INSERT INTO tbtemp VALUES(geom1,newgeom1);
        END if;

        SELECT newgeom INTO newgeom2 FROM tbtemp WHERE oldgeom = geom2;
        IF newgeom2 IS NULL THEN
                SELECT sde.st_geometry(st_asewkt(geom2),srid) INTO newgeom2;
                INSERT INTO tbtemp VALUES(geom2,newgeom2);
        END if;
        SELECT sde.stf_overlaps(newgeom1,newgeom2) INTO istrue;
    RETURN istrue;
END
$BODY$
LANGUAGE 'plpgsql' VOLATILE;

CREATE OR REPLACE FUNCTION st_within(IN geom1 geometry, IN geom2 geometry)
RETURNS BOOLEAN AS $BODY$
DECLARE
    newgeom1 sde.st_geometry;
    newgeom2 sde.st_geometry;
    istrue BOOLEAN;
    srid integer;
BEGIN
        SELECT fvalue::integer INTO srid FROM pg_environment WHERE fkey='srid';
        SELECT newgeom INTO newgeom1 FROM tbtemp WHERE oldgeom = geom1;
        IF newgeom1 IS NULL THEN
                SELECT sde.st_geometry(st_asewkt(geom1),srid) INTO newgeom1;
                INSERT INTO tbtemp VALUES(geom1,newgeom1);
        END if;

        SELECT newgeom INTO newgeom2 FROM tbtemp WHERE oldgeom = geom2;
        IF newgeom2 IS NULL THEN
                SELECT sde.st_geometry(st_asewkt(geom2),srid) INTO newgeom2;
                INSERT INTO tbtemp VALUES(geom2,newgeom2);
        END if;
        SELECT sde.stf_within(newgeom1,newgeom2) INTO istrue;
    RETURN istrue;
END
$BODY$
LANGUAGE 'plpgsql' VOLATILE;

转载自：https://blog.csdn.net/atzhangzt/article/details/70305230