[postgis-tickets] [PostGIS] #3925: MVT simplification before gridding

[PostGIS]

#3925: MVT simplification before gridding
--------------------------+---------------------------
  Reporter:  pramsey      |      Owner:  pramsey
      Type:  enhancement  |     Status:  reopened
  Priority:  medium       |  Milestone:  PostGIS 2.5.0
 Component:  postgis      |    Version:  trunk
Resolution:               |   Keywords:
--------------------------+---------------------------
Changes (by robe):

 * status:  closed => reopened
 * resolution:  fixed =>


Comment:

 Not so fast.  I see all bots that test MVT are broken presumably because
 of this.

 Winnie's last run seems to be similar to debbie
 https://debbie.postgis.net/job/PostGIS_Regress/7775/consoleFull  and
 dronie https://drone.osgeo.org/postgis/postgis/665
 {{{
 +++ /var/lib/jenkins/workspace/postgis/tmp/2_5_pg9.6w64/test_120_out
 2017-11-09 08:51:53.456606198 +0000
 @@ -4,16 +4,15 @@
  PG4|MULTIPOLYGON(((5 4096,10 4096,10 4091,5 4096)),((0 4096,0 4101,5
 4096,0 4096)))
  PG5|
  PG6|POLYGON((600 594,894 2704,2791 594,600 594))
 -PG7|POLYGON((1251 1904,1252 1905,1253 1906,1253 1905,1252 1904,1251
 1904))
 +PG7|POLYGON((1251 1904,1253 1906,1253 1905,1252 1904,1251 1904))
  PG8|MULTIPOLYGON(((5 4096,10 4096,10 4091,5 4096)),((0 4096,0 4101,5
 4096,0 4096)))
  PG9|POLYGON((0 0,0 4096,4096 4096,4096 0,0 0))
  PG10|
  TG1|GiEKBHRlc3QSDBICAAAYASIECTLePxoCYzEiAigBKIAgeAI=
  TG2|GiMKBHRlc3QSDhICAAAYASIGETTcPwECGgJjMSICKAEogCB4Ag==
  TG3|GiYKBHRlc3QSERICAAAYAiIJCQCAQArQD88PGgJjMSICKAEogCB4Ag==
 -TG4|GioKBHRlc3QSFRICAAAYAiINCQCAQBLoB+cH6AfnBxoCYzEiAigBKIAgeAI=
 -TG5|GjgKBHRlc3QSIxICAAAYAiIbCQT8PxLoB+cH6AfnBwnRD9IPEugH5wfoB+cHGgJjMSICKAEogCB4
 -Ag==
 +TG4|GiYKBHRlc3QSERICAAAYAiIJCQCAQArQD88PGgJjMSICKAEogCB4Ag==
 +TG5|GjAKBHRlc3QSGxICAAAYAiITCQT8PwrQD88PCdEP0g8K0A/PDxoCYzEiAigBKIAgeAI=
 TG6|GjIKBHRlc3QSHRICAAAYAyIVCRTYPxoyFBRFOwoPCQoUEh4JCR4PGgJjMSICKAEogCB4Ag==
 TG7|Gj0KBHRlc3QSKBICAAAYAyIgCRTEPyIAKCgKHh0xHQ8JABQSFAoTCg8JADsSMh4JEw8aAmMxIgIo
  ASiAIHgC
 @@ -41,4 +40,4 @@
  TU2
  ERROR:  pgis_asmvt_transfn: parameter row cannot be other than a rowtype
  TU3|
 -#3922|323
 +#3922|91
 -----------------------------------------------------------------------------
 }}}

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/3925#comment:4>
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