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New function CDB_CreateOverviewsWithToleranceInPixels

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This function allows defining the previously fixed parameter grid_px.
The lim parameter used to define the reference Z level is also
correlated to this value.

Fixes #219
This commit is contained in:
Javier Goizueta
2016-04-04 19:21:10 +02:00
parent aff7ae3e2e
commit 57c32332e2
4 changed files with 55 additions and 25 deletions
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10
test/CDB_OverviewsTest.sql
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@@ -8,7 +8,7 @@ SELECT _CDB_Aggregated_Attributes_Expression('base_bare_t'::regclass);
SELECT _CDB_Aggregated_Attributes_Expression('base_bare_t'::regclass, 'tab');
SELECT CDB_CreateOverviews('base_bare_t'::regclass);
SELECT count(*) FROM _vovw_5_base_bare_t;
SELECT count(*) FROM _vovw_2_base_bare_t;
SELECT _CDB_Aggregable_Attributes_Expression('base_t'::regclass);
@@ -16,7 +16,7 @@ SELECT _CDB_Aggregated_Attributes_Expression('base_t'::regclass);
SELECT _CDB_Aggregated_Attributes_Expression('base_t'::regclass, 'tab');
SELECT CDB_CreateOverviews('base_t'::regclass);
SELECT count(*) FROM _vovw_5_base_t;
SELECT count(*) FROM _vovw_2_base_t;
SELECT CDB_CreateOverviews('polyg_t'::regclass);
@@ -30,7 +30,11 @@ SELECT CDB_Overviews('column_types_t'::regclass);
SELECT CDB_DropOverviews('column_types_t'::regclass);
SELECT CDB_DropOverviews('base_bare_t'::regclass);
SELECT CDB_DropOverviews('base_t'::regclass);
SELECT count(*) FROM _vovw_5_base_t;
SELECT count(*) FROM _vovw_2_base_t;
SELECT CDB_CreateOverviewsWithToleranceInPixels('base_t'::regclass, 7.5);
SELECT count(*) FROM _vovw_2_base_t;
SELECT CDB_DropOverviews('base_t'::regclass);
DROP TABLE column_types_t;
DROP TABLE base_bare_t;