sql >> Database teknologi >  >> RDS >> PostgreSQL

Sådan filtreres postgis-forespørgsler baseret på ST_GeometryType

Din forespørgsel er ret stor, og på grund af manglen på indrykning og en fungerende violin er det svært at vide, hvor problemet er. For yderligere spørgsmål kan du overveje at oprette et minimal reproducible example . Jeg har også bemærket, at du i en enkelt forespørgsel transformerer geometrier 18 gange (!) frem og tilbage mellem 31467 og 25832 . Er det virkelig nødvendigt? Husk, at transformationer kan tage tid og helt sikkert vil bremse dine forespørgsler. Foretag de nødvendige transformationer, hvis det er muligt, i oprindelsen eller i slutningen af ​​en kæde af funktioner. For eksempel i stedet for

WITH j (point) AS(
  VALUES ('POINT(1 2)'::geometry)
)  
SELECT st_astext(
ST_MakeEnvelope(
  ST_X(ST_Transform(ST_SetSRID(point,31467),25832)),
  ST_Y(ST_Transform(ST_SetSRID(point,31467),25832)),
  ST_X(ST_Transform(ST_SetSRID(point,31467),25832))+10,
  ST_Y(ST_Transform(ST_SetSRID(point,31467),25832))+10),2)
FROM j;
 

.. overvej dette:

WITH j (point) AS(
  VALUES (ST_SetSRID('POINT(1 2)'::geometry,31467))
)  
SELECT 
 ST_Transform(    
   ST_MakeEnvelope(
     ST_X(point),ST_Y(point),ST_X(point)+10,ST_Y(point)+10,31467),
  25832)
FROM j          
 

Resultaterne kan være lidt anderledes, men afhængigt af din brugssituation betyder det ikke meget. Prøv begge metoder, og hold om muligt din kode ren.

Når det er sagt, kan du bruge ST_NumGeometries for at tælle antallet af geometrier i en kolonne:

SELECT ST_NumGeometries('MULTIPOLYGON (((40 40, 20 45, 45 30, 40 40)),((20 35, 10 30, 10 10, 30 5, 45 20, 20 35)))'::geometry), ST_NumGeometries('POLYGON((40 40, 20 45, 45 30, 40 40))'::geometry); st_numgeometries | st_numgeometries ------------------+------------------ 2 | 1

Så din forespørgsel skulle se sådan ud:

WITH j AS (
      SELECT DISTINCT
           ST_MakeEnvelope(
                    ST_X(ST_Transform(ST_SetSRID(point,31467),25832)),
                    ST_Y(ST_Transform(ST_SetSRID(point,31467),25832)),
                    ST_X(ST_Transform(ST_SetSRID(point,31467),25832))+10,
                    ST_Y(ST_Transform(ST_SetSRID(point,31467),25832))+10) AS geom_int1,
           ST_GeomFromText('POLYGON((6.69308799941667 51.1325687572078,6.69314216094032 51.1325286743429,6.6931829229236 51.1324827378523,6.69320873406544 51.1324326960125,6.69321861208315 51.1323804533377,6.69321218108977 51.1323279980963,6.69318968589172 51.1322773266396,6.69315198266368 51.1322303674254,6.69310050635699 51.1321889076246,6.69303721608294 51.1321545251075,6.69296452055024 51.1321285283945,6.69288518639497 51.1321119068596,6.6928022328913 51.132105293078,6.69271881704983 51.1321089387537,6.69263811347528 51.1321227051402,6.69256319355485 51.1321460683214,6.69167022350287 51.1324966230214,6.691601844655 51.1325299362666,6.69154548586769 51.1325712077134,6.6915034414949 51.1326187572348,6.69147742317882 51.1326706491231,6.69146849016453 51.1327247708897,6.69147700617074 51.1327789192613,6.69150262457336 51.1328308898743,6.69154430250688 51.1328785670135,6.6918617087031 51.1331680405352,6.69191278478678 51.1332064363834,6.69197426178939 51.1332382298226,6.69204402058778 51.1332623249167,6.69211965656854 51.1332778910942,6.69219856251863 51.133284391779,6.6922780185011 51.1332816028878,6.69235528561775 51.1332696205548,6.69281658666282 51.13316870319,6.69288972627184 51.1331476779976,6.6929553372192 51.1331184277034,6.6930111102981 51.1330819817912,6.69305508256535 51.1330396229968,6.69308570642734 51.1329928421602,6.69310190410533 51.1329432857531,6.69310310556331 51.1328926979291,6.69307771111191 51.1326908636516,6.69306446700159 51.1326424034468,6.69303745832752 51.1325962617897,6.69303600327017 51.1325947186521,6.69308799941667 51.1325687572078),(6.69243035603289 51.1325209327628,6.69265042517401 51.1327121450621,6.6926758177672 51.132913979408,6.69221451899067 51.13301489625,6.69189711157563 51.1327254236646,6.69279008443662 51.1323748672786,6.69243035603289 51.1325209327628))')  AS geom_int2 
           FROM slope inner join  (select
                    st_setsrid(st_transform(st_setsrid(ST_Buffer(ST_Transform(ST_SetSRID(ST_GeomFromText('POLYGON((6.69308799941667 51.1325687572078,6.69314216094032 51.1325286743429,6.6931829229236 51.1324827378523,6.69320873406544 51.1324326960125,6.69321861208315 51.1323804533377,6.69321218108977 51.1323279980963,6.69318968589172 51.1322773266396,6.69315198266368 51.1322303674254,6.69310050635699 51.1321889076246,6.69303721608294 51.1321545251075,6.69296452055024 51.1321285283945,6.69288518639497 51.1321119068596,6.6928022328913 51.132105293078,6.69271881704983 51.1321089387537,6.69263811347528 51.1321227051402,6.69256319355485 51.1321460683214,6.69167022350287 51.1324966230214,6.691601844655 51.1325299362666,6.69154548586769 51.1325712077134,6.6915034414949 51.1326187572348,6.69147742317882 51.1326706491231,6.69146849016453 51.1327247708897,6.69147700617074 51.1327789192613,6.69150262457336 51.1328308898743,6.69154430250688 51.1328785670135,6.6918617087031 51.1331680405352,6.69191278478678 51.1332064363834,6.69197426178939 51.1332382298226,6.69204402058778 51.1332623249167,6.69211965656854 51.1332778910942,6.69219856251863 51.133284391779,6.6922780185011 51.1332816028878,6.69235528561775 51.1332696205548,6.69281658666282 51.13316870319,6.69288972627184 51.1331476779976,6.6929553372192 51.1331184277034,6.6930111102981 51.1330819817912,6.69305508256535 51.1330396229968,6.69308570642734 51.1329928421602,6.69310190410533 51.1329432857531,6.69310310556331 51.1328926979291,6.69307771111191 51.1326908636516,6.69306446700159 51.1326424034468,6.69303745832752 51.1325962617897,6.69303600327017 51.1325947186521,6.69308799941667 51.1325687572078),(6.69243035603289 51.1325209327628,6.69265042517401 51.1327121450621,6.6926758177672 51.132913979408,6.69221451899067 51.13301489625,6.69189711157563 51.1327254236646,6.69279008443662 51.1323748672786,6.69243035603289 51.1325209327628))'),4326),25832), 30),25832),31467),25832) as geom
                    ) a  on point && a.geom
            JOIN (
                WITH data AS (
                SELECT '{"type": "FeatureCollection", "features": [{"type": "Feature", "properties": {"ID": "1"}, "geometry": {"type": "Polygon", "coordinates": [[[6.69253798665417, 51.1321564140328], [6.69251962171524, 51.1321635163992], [6.69249846231729, 51.1321750605202], [6.69249925136169, 51.1321793032012], [6.69251085641084, 51.1321902349559], [6.6925202281672, 51.1321886211859], [6.6925350953045, 51.13217713273], [6.69253798665417, 51.1321564140328]]]}}, {"type": "Feature", "properties": {"ID": "2"}, "geometry": {"type": "Polygon", "coordinates": [[[6.69269313266862, 51.1321811516334], [6.69269456345932, 51.1321667897304], [6.69269648476695, 51.1321311221074], [6.69269663315549, 51.1321252790401], [6.69269334643976, 51.132113791988], [6.69268514848039, 51.1321147993719], [6.69266813655301, 51.1321177013629], [6.69265269992705, 51.1321205445076], [6.69260400160369, 51.1321339733957], [6.69259342024285, 51.1321369123716], [6.69257235999851, 51.1321436017891], [6.6925532535978, 51.1321770414777], [6.69254076871528, 51.1322152886675], [6.69253704911869, 51.1322268172979], [6.69253585685355, 51.1322306611143], [6.69253560204644, 51.1322329045446], [6.69253742373699, 51.132250838247], [6.69255296008214, 51.1322631966762], [6.69261518281268, 51.1322824125944], [6.69263790187194, 51.1322825912308], [6.69264662627284, 51.1322824936254], [6.69267258657931, 51.132229132945], [6.69269313266862, 51.1321811516334]]]}}, {"type": "Feature", "properties": {"ID": "3"}, "geometry": {"type": "Polygon", "coordinates": [[[6.69251672749726, 51.1322215594779], [6.69250460947264, 51.1322094483985], [6.6924921739216, 51.1322008386475], [6.69248182942694, 51.1322018935827], [6.69246834157673, 51.132211520553], [6.69244929502299, 51.1322351581201], [6.69245199419083, 51.1322612935409], [6.69246425167291, 51.1322677412591], [6.69248454251289, 51.1322707500203], [6.69250080856706, 51.1322713409299], [6.69251741124046, 51.1322393807793], [6.69251672749726, 51.1322215594779]]]}}, {"type": "Feature", "properties": {"ID": "4"}, "geometry": {"type": "Polygon", "coordinates": [[[6.6922825274399, 51.1323259414957], [6.69227206035333, 51.1323151221225], [6.69224485573949, 51.1322959677944], [6.69223824707324, 51.1322937687407], [6.69222068683045, 51.1322933321209], [6.69221819197358, 51.1322946319424], [6.69218894528929, 51.1323106931418], [6.69217475443148, 51.1323315485006], [6.69217341036882, 51.1323355691933], [6.69217231313262, 51.1323547044118], [6.69217324495241, 51.1323589499138], [6.69217569889977, 51.1323613367604], [6.69218142835096, 51.1323639681514], [6.6922037172841, 51.1323727724673], [6.69223780236341, 51.1323743447748], [6.69226136483905, 51.1323748099503], [6.69226799202122, 51.1323737715855], [6.69228555129034, 51.1323570299429], [6.69228519515222, 51.1323527058685], [6.6922825274399, 51.1323259414957]]]}}, {"type": "Feature", "properties": {"ID": "5"}, "geometry": {"type": "Polygon", "coordinates": [[[6.69270036788524, 51.1326380915836], [6.69270044963208, 51.1326307182485], [6.69269979440667, 51.1326266580875], [6.69265572460697, 51.1326103188106], [6.69258556546035, 51.1325983212077], [6.69257773814301, 51.1325976270713], [6.69257545328535, 51.1325975819696], [6.69254710479826, 51.1326070954851], [6.69254041373701, 51.1326151478002], [6.69256693935704, 51.1326393252039], [6.69259572746481, 51.1326639969531], [6.69261808158644, 51.1326829655137], [6.69263440827555, 51.1326938105779], [6.69266740157087, 51.1326886158279], [6.69268164386179, 51.1326781942805], [6.6926927410912, 51.1326620445339], [6.69269711646734, 51.1326516980425], [6.69270036788524, 51.1326380915836]]]}}, {"type": "Feature", "properties": {"ID": "6"}, "geometry": {"type": "Polygon", "coordinates": [[[6.69175796394166, 51.1325888173132], [6.69180793429611, 51.1324725243485], [6.69180892473724, 51.1324526675166], [6.69180413787601, 51.1324454678607], [6.6917982202076, 51.1324466101479], [6.69178087259056, 51.1324533727339], [6.69171031275604, 51.1324809395917], [6.69167093571617, 51.1324966207435], [6.69162081516962, 51.132521353381], [6.69161040721569, 51.1325265441535], [6.69161011264506, 51.1325267182132], [6.69159802180106, 51.1325341242118], [6.69157656681147, 51.1325487202367], [6.69155258043593, 51.1325682128804], [6.69153973458902, 51.1325792914381], [6.69150389109257, 51.1326186961186], [6.69147684379341, 51.1326766219394], [6.69147001176052, 51.1327161498552], [6.6914699304478, 51.1327206451701], [6.69147004831695, 51.1327326093068], [6.69147598409746, 51.1327712201722], [6.69149221971477, 51.1328096746915], [6.69150093658731, 51.1328240571066], [6.69151196908048, 51.1328407337113], [6.69152518846839, 51.1328565541182], [6.69154021053508, 51.1328734893842], [6.69155054373049, 51.1328841263015], [6.69158606889102, 51.132914147773], [6.69159074495821, 51.1329178376514], [6.69159617152892, 51.132917944814], [6.69160772711436, 51.132909808738], [6.69163093798561, 51.132865747583], [6.69164647462266, 51.1328351155779], [6.69171060598049, 51.1326957183096], [6.69175796394166, 51.1325888173132]]]}}, {"type": "Feature", "properties": {"ID": "7"}, "geometry": {"type": "Polygon", "coordinates": [[[6.69280944347454, 51.1327325212954], [6.69278198469405, 51.1327098544827], [6.69276787507997, 51.1327032803041], [6.69275702253061, 51.1327001880702], [6.6927110654878, 51.1327274316875], [6.69270049184791, 51.1327359470067], [6.69269795107157, 51.1327439013734], [6.69269675432507, 51.1327478350411], [6.69269555757836, 51.1327517687087], [6.69270108943557, 51.1327612314915], [6.69272374606894, 51.1327856023059], [6.69273137237766, 51.132787461664], [6.69274887457694, 51.1327890662591], [6.69278274605442, 51.1327891951749], [6.69279197959956, 51.1327874887162], [6.69280546252786, 51.1327808295785], [6.69281911568176, 51.13277075614], [6.692818514201, 51.1327656177799], [6.69280944347454, 51.1327325212954]]]}}, {"type": "Feature", "properties": {"ID": "8"}, "geometry": {"type": "Polygon", "coordinates": [[[6.69300203804217, 51.1328749175082], [6.69298489450558, 51.1328403126402], [6.69297071368933, 51.1328322980672], [6.69294514042643, 51.1328205510521], [6.69289902806839, 51.1328193711454], [6.69286658297828, 51.1328279045017], [6.69286227033698, 51.1328369930997], [6.6928613985622, 51.1328688140847], [6.69286281220306, 51.132897802148], [6.69287913508867, 51.1329058590115], [6.6928817901407, 51.1329070806127], [6.69290110745025, 51.1329152865115], [6.69291370059255, 51.1329178734543], [6.69292154588787, 51.1329182081691], [6.69294384634694, 51.1329153205768], [6.69297262282259, 51.13290869344], [6.69298582911113, 51.132901848945], [6.69300203804217, 51.1328749175082]]]}}, {"type": "Feature", "properties": {"ID": "9"}, "geometry": {"type": "Polygon", "coordinates": [[[6.69232916938592, 51.133110495585], [6.69233421078188, 51.1330953955202], [6.69235075084229, 51.1330217027418], [6.69235005039201, 51.1329984848074], [6.69233579852696, 51.1329890297401], [6.69215882485022, 51.1329777112594], [6.69215447738489, 51.1329817625941], [6.69209733560649, 51.1330555531216], [6.69209320085406, 51.1330668037259], [6.6920424322757, 51.1332449586609], [6.69204425051294, 51.1332572261821], [6.69204991732763, 51.1332611154794], [6.69208256036642, 51.1332686852289], [6.69214233141891, 51.1332797585278], [6.69218590448418, 51.1332831370578], [6.69223609649279, 51.133282778893], [6.69232916938592, 51.133110495585]]]}}, {"type": "Feature", "properties": {"ID": "10"}, "geometry": {"type": "Polygon", "coordinates": [[[6.69309575564949, 51.1329620286457], [6.69309963642392, 51.1329472653982], [6.69309881754873, 51.132935017617], [6.69307203062263, 51.1329218076648], [6.69305328289965, 51.1329222471207], [6.6930360925896, 51.1329229871251], [6.69303076850343, 51.1329236914975], [6.69298880311273, 51.1329396817633], [6.69297592220055, 51.1329486012633], [6.69296986419304, 51.1329840973053], [6.69297042430155, 51.1329958003503], [6.69297292705951, 51.1330000768489], [6.69301308177035, 51.1330261420197], [6.69301918206967, 51.133027071858], [6.69303825522546, 51.1330287074127], [6.69306059103336, 51.1330279790168], [6.69307287545165, 51.1330109532808], [6.69307979887065, 51.1330011067537], [6.69308523205943, 51.1329896119255], [6.69309575564949, 51.1329620286457]]]}}, {"type": "Feature", "properties": {"ID": "11"}, "geometry": {"type": "Polygon", "coordinates": [[[6.69264305397923, 51.1322939352281], [6.69264424175731, 51.1322901812605], [6.69264543849516, 51.132286247593], [6.69263785259199, 51.1322835795805], [6.69252746167717, 51.1322814904708], [6.6925183127842, 51.1322843677784], [6.69250842691038, 51.1322905582583], [6.69250503044308, 51.1322927396721], [6.69250412882457, 51.1322936212581], [6.69250834622358, 51.1323151098501], [6.6925161404358, 51.1323250669937], [6.69254901931236, 51.1323359689943], [6.69251034598528, 51.1323352055896], [6.69249005454883, 51.1323350748503], [6.69245693248874, 51.1324059220424], [6.69245559292849, 51.1324098528887], [6.6924544006514, 51.132413696704], [6.69247323550652, 51.1324229724131], [6.69251602483015, 51.132428196049], [6.69246937307172, 51.1324344982216], [6.69244175489256, 51.1324523004608], [6.69244041532956, 51.1324562313069], [6.6924378700452, 51.1324642755178], [6.69243748586974, 51.1324662465788], [6.69244000419296, 51.132481675759], [6.69244043552284, 51.1324828388153], [6.69242276418403, 51.1324862820424], [6.69242216608837, 51.1324868098659], [6.69240793104538, 51.132505685735], [6.69240683952442, 51.1325189750712], [6.69240749472285, 51.1325230352335], [6.69245266197307, 51.1325402956537], [6.69246074152444, 51.1325404449095], [6.69245904780327, 51.1325412311583], [6.69246089414942, 51.1325472035405], [6.69248390393314, 51.1325673542701], [6.69249665598157, 51.1325782187286], [6.692498177537, 51.1325792380866], [6.69250207298905, 51.1325813835662], [6.69250992213802, 51.1325845064756], [6.69251385399889, 51.1325830551374], [6.69253035818111, 51.1325760059787], [6.69253149503538, 51.1325589401237], [6.69253220875509, 51.1325413559783], [6.69254382431863, 51.1325410159433], [6.69256431636541, 51.1324969908775], [6.69256499007752, 51.1324748793294], [6.69255810773198, 51.132470462385], [6.69257536992313, 51.1324530493135], [6.69257749741779, 51.1324361828893], [6.69257444491701, 51.132435038046], [6.69258994872926, 51.1324330110108], [6.69259606294197, 51.1324307933024], [6.69262641162471, 51.132346760322], [6.69262231830842, 51.1323440804244], [6.69262697891405, 51.1323439834292], [6.69264305397923, 51.1322939352281]]]}}, {"type": "Feature", "properties": {"ID": "12"}, "geometry": {"type": "Polygon", "coordinates": [[[6.69242704496132, 51.132323038405], [6.69242269090442, 51.1323157573803], [6.692417553916, 51.1323184440628], [6.69241644391112, 51.1323349708171], [6.69242163295421, 51.1323398399883], [6.69242452621548, 51.1323414919739], [6.6923997028096, 51.1323668382825], [6.69237476252063, 51.1324054691417], [6.69237385584298, 51.1324093185943], [6.6923741412481, 51.1324098621282], [6.69236742132112, 51.1324064934171], [6.69230798969311, 51.1323771694288], [6.69230617358135, 51.13237632413], [6.69228802417196, 51.132376235643], [6.69228559204211, 51.1323762775666], [6.69224488018429, 51.1323957999097], [6.6922422099899, 51.1324034818971], [6.69224101769533, 51.13240732571], [6.69224077631505, 51.1324092995895], [6.69223922596153, 51.1324403876708], [6.69234968554863, 51.1325471667089], [6.69237904767688, 51.1325345254075], [6.69238858528683, 51.1325295872009], [6.69241875730355, 51.1324835047915], [6.692423113175, 51.1324592174721], [6.69242348057106, 51.1324518497756], [6.69242282089158, 51.1324478794633], [6.69242216121221, 51.132443909151], [6.69242027569293, 51.1324329893825], [6.69241230485538, 51.1324289935948], [6.69243827735106, 51.1324131086063], [6.69245242722499, 51.132395939882], [6.69245495010085, 51.1323883449204], [6.69247131545421, 51.1323382125338], [6.69247250772775, 51.1323343687182], [6.69246979340118, 51.1323171369011], [6.69246938291431, 51.1323167690444], [6.69244774801696, 51.1323177809765], [6.69242811022654, 51.132337832463], [6.69242940760109, 51.1323358562987], [6.69242910521451, 51.1323304540251], [6.69242704496132, 51.132323038405]]]}}]}'::json AS featuresCollection
                )
                SELECT
                LIDARDataPolygonsAsGeometry
                
                FROM (
                SELECT
                    ST_Transform(ST_SetSRID(ST_GeomFromGeoJSON(feature->>'geometry'),4326),25832) AS LIDARDataPolygonsAsGeometry

                FROM (SELECT json_array_elements(featuresCollection->'features') AS feature
                        FROM data) AS f) j
                GROUP BY
                LIDARDataPolygonsAsGeometry
                ) j ON
    

                NOT ST_Contains('0103000020E864000001000000070000002CC1936439AA1441C2E17F35419E554194D77D6744A91441B8177F714B9E554159A47F43A1A914411A88C850539E5541FCEF81F020AA1441326CDC41509E5541EBFA8E0417AA14415F982DA94A9E554157E297C4D6A91441686B6D77459E55412CC1936439AA1441C2E17F35419E5541',ST_Centroid(ST_SetSRID(ST_MakeEnvelope(
                    ST_X(ST_Transform(ST_SetSRID(point,31467),25832)),
                    ST_Y(ST_Transform(ST_SetSRID(point,31467),25832)),
                    ST_X(ST_Transform(ST_SetSRID(point,31467),25832))+10,
                    ST_Y(ST_Transform(ST_SetSRID(point,31467),25832))+10),25832)))
                AND
                    ST_Contains(ST_Transform(ST_SetSRID(ST_GeomFromText('POLYGON((6.69308799941667 51.1325687572078,6.69314216094032 51.1325286743429,6.6931829229236 51.1324827378523,6.69320873406544 51.1324326960125,6.69321861208315 51.1323804533377,6.69321218108977 51.1323279980963,6.69318968589172 51.1322773266396,6.69315198266368 51.1322303674254,6.69310050635699 51.1321889076246,6.69303721608294 51.1321545251075,6.69296452055024 51.1321285283945,6.69288518639497 51.1321119068596,6.6928022328913 51.132105293078,6.69271881704983 51.1321089387537,6.69263811347528 51.1321227051402,6.69256319355485 51.1321460683214,6.69167022350287 51.1324966230214,6.691601844655 51.1325299362666,6.69154548586769 51.1325712077134,6.6915034414949 51.1326187572348,6.69147742317882 51.1326706491231,6.69146849016453 51.1327247708897,6.69147700617074 51.1327789192613,6.69150262457336 51.1328308898743,6.69154430250688 51.1328785670135,6.6918617087031 51.1331680405352,6.69191278478678 51.1332064363834,6.69197426178939 51.1332382298226,6.69204402058778 51.1332623249167,6.69211965656854 51.1332778910942,6.69219856251863 51.133284391779,6.6922780185011 51.1332816028878,6.69235528561775 51.1332696205548,6.69281658666282 51.13316870319,6.69288972627184 51.1331476779976,6.6929553372192 51.1331184277034,6.6930111102981 51.1330819817912,6.69305508256535 51.1330396229968,6.69308570642734 51.1329928421602,6.69310190410533 51.1329432857531,6.69310310556331 51.1328926979291,6.69307771111191 51.1326908636516,6.69306446700159 51.1326424034468,6.69303745832752 51.1325962617897,6.69303600327017 51.1325947186521,6.69308799941667 51.1325687572078),(6.69243035603289 51.1325209327628,6.69265042517401 51.1327121450621,6.6926758177672 51.132913979408,6.69221451899067 51.13301489625,6.69189711157563 51.1327254236646,6.69279008443662 51.1323748672786,6.69243035603289 51.1325209327628))'),4326),25832), ST_Centroid(ST_SetSRID(ST_MakeEnvelope(
                    ST_X(ST_Transform(ST_SetSRID(point,31467),25832)),
                    ST_Y(ST_Transform(ST_SetSRID(point,31467),25832)),
                    ST_X(ST_Transform(ST_SetSRID(point,31467),25832))+10,
                    ST_Y(ST_Transform(ST_SetSRID(point,31467),25832))+10),25832)))

)
SELECT * 
FROM j
WHERE 
  ST_NumGeometries(
    ST_Intersection(geom_int1,geom_int2)) > 1
 



  1. Forespørgselstabel med forskellig liste over variabler ved hjælp af lignende

  2. Problemer med int(11) datatype i MYSQL

  3. PostgreSQL:FOREIGN KEY/ON SLET CASCADE

  4. Hvordan forbinder man mysql-database med Dart?