[postgis-tickets] [PostGIS] #5170: Make postgis raster copy rows configurable
PostGIS
trac at osgeo.org
Thu Jun 9 13:53:02 PDT 2022
#5170: Make postgis raster copy rows configurable
-------------------------+---------------------------
Reporter: robe | Owner: robe
Type: enhancement | Status: new
Priority: medium | Milestone: PostGIS 3.3.0
Component: raster | Version: master
Keywords: |
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A client asked me why does copy mode, always result in
{{{
COPY 11
}}}
11 rows per copy command.
I checked in the code, and it appears to be a hard-coded setting.
https://git.osgeo.org/gitea/postgis/postgis/src/branch/master/raster/loader/raster2pgsql.c#L1518
https://git.osgeo.org/gitea/postgis/postgis/src/branch/master/raster/loader/raster2pgsql.c#L1845
{{{
if (tileset->length > 10) {
if (!insert_records(
config->schema, ovtable,
config->raster_column,
(config->file_column ?
config->rt_filename[idx] : NULL), config->file_column_name,
config->copy_statements,
config->out_srid,
tileset, buffer
}}}
I'm assuming this was put in place to get around some copy size limit.
Can we get better load by increasing or making this configurable.
I was going to test this out to see. Given that the size of each row
would be dependent on tile size, doesn't seem right it should always be
11.
--
Ticket URL: <https://trac.osgeo.org/postgis/ticket/5170>
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