postgresql使用dblink跨库增删改查的步骤

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insert into wl_model_polygon(geom,name,code) values (‘SRID=4326;POLYGON ((116.2078857421875 39.928694653732364, 116.20925903320312 39.91078961774283, 116.20651245117188 39.89393354266699, 116.23397827148436 39.86547951378614, 116.24496459960938 39.82752244475985, 116.29852294921876 39.78954439311165, 116.3397216796875 39.78532331459258, 116.3836669921875 39.78848914776114, 116.41799926757811 39.79904087286648, 116.444091796875 39.80748108746673, 116.45919799804688 39.818029898770206, 116.48117065429686 39.83490462943255, 116.50314331054688 39.86231722624386, 116.50588989257812 39.88023492849342, 116.5045166015625 39.90973623453719, 116.4935302734375 39.925535281697286, 116.5045166015625 39.94975340768179, 116.47979736328125 39.98132938627215, 116.47567749023438 39.99395569397331, 116.45507812500001 40.000267972646796, 116.43859863281249 40.000267972646796, 116.4166259765625 39.998163944585805, 116.36581420898438 40.00868343656941, 116.35208129882812 40.00447583427404, 116.30264282226562 40.01078714046552, 116.27792358398436 39.999215966720165, 116.24771118164061 39.99500778093748, 116.23260498046874 39.990799335838034, 116.21200561523438 39.95606977009003, 116.2078857421875 39.928694653732364))
‘,’产流区单元’,’1′);

insert into wl_model_polygon(geom,name) values (‘SRID=4326;POLYGON ((118.76382985390228 30.94145000894207, 118.76367454479498 30.941584547525736, 118.76350796485406 30.941783659824637, 118.76339844820404 30.941924731032316, 118.76330916107543 30.942036894992782, 118.76327040751187 30.94208876002824, 118.76320401397413 30.942103072784164, 118.76311833308432 30.942151844969032, 118.76297412628924 30.94233241273298, 118.76284033474406 30.942507490217793, 118.76274061465483 30.942508998759877, 118.76272709824036 30.942414705157432, 118.76260312963427 30.941400575247428, 118.76246246134042 30.940958834692708, 118.76241983918237 30.940824987759868, 118.76235477020532 30.94068130925791, 118.76232222882629 30.940647540114867, 118.76293788696353 30.940087796711964, 118.76307156743417 30.939971500356137, 118.76327063857775 30.93979831612114, 118.7635558539929 30.939541452438277, 118.7637265129556 30.93939848398361, 118.76377770256443 30.939355600092142, 118.76441910672565 30.9388159785355, 118.76463064154075 30.938667159236218, 118.76495341070222 30.938493604345012, 118.76523672506141 30.938409477348614, 118.7654197381786 30.9383707434975, 118.76582985307277 30.938323591604444, 118.76622053407164 30.9382963001612, 118.76643330279228 30.938318107809664, 118.7664801815057 30.938337017341382, 118.76652477352764 30.938350675989682, 118.7666582796586 30.938456597505137, 118.76673673369658 30.938603248874927, 118.76677236100761 30.938782266531803, 118.76684549711081 30.939149764149192, 118.76701632885761 30.93988929949859, 118.7670376347395 30.939981532336844, 118.7664187768753 30.94010020307178, 118.76614981686157 30.940150404326346, 118.7658940991671 30.940243370814187, 118.76569247579346 30.940342755588517, 118.76556089310861 30.940412552128976, 118.76552036966268 30.940466789099446, 118.76550573912039 30.940574355758315, 118.76551217968313 30.941150469586262, 118.76551098575817 30.941290908017095, 118.76550989936004 30.941418699044846, 118.76542260756776 30.94141695016964, 118.76499121731501 30.941408306476433, 118.76391937007008 30.94138581330907, 118.76382985390228 30.94145000894207))’,’产流区单元’);