Opened 6 years ago
Closed 4 months ago
#4343 closed enhancement (wontfix)
Support Function for Row Estimate on ST_Dump*()
Reported by: | pramsey | Owned by: | pramsey |
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Priority: | high | Milestone: | PostGIS Fund Me |
Component: | postgis | Version: | master |
Keywords: | Cc: |
Description ¶
The support function API includes the ability to hint the planner about how many rows a set-returning function might generate. For Const parameters, we can provide this for ST_Dump() variants.
Change History (4)
comment:1 by , 6 years ago
Milestone: | PostGIS 3.0.0 → PostGIS Fund Me |
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comment:2 by , 4 months ago
comment:3 by , 4 months ago
Not really something that has a huge up-side, as-far-as-I-can-tell. Would maybe affect some plans of very rare use cases.
comment:4 by , 4 months ago
Resolution: | → wontfix |
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Status: | new → closed |
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Reference about the support function APIs: https://www.postgresql.org/docs/current/xfunc-optimization.html