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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
View File

@@ -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;

25
test/CDB_OverviewsTest_expect
View File

@@ -9,45 +9,40 @@ SELECT 1114
{_vovw_5_base_bare_t,_vovw_4_base_bare_t,_vovw_3_base_bare_t,_vovw_2_base_bare_t,_vovw_1_base_bare_t,_vovw_0_base_bare_t}
125
{_vovw_3_base_bare_t,_vovw_2_base_bare_t,_vovw_1_base_bare_t,_vovw_0_base_bare_t}
113
number,int_number,name,start
AVG(number)::double precision AS number,AVG(int_number)::integer AS int_number,CASE count(*) WHEN 1 THEN MIN(name) ELSE NULL END::text AS name,CASE count(*) WHEN 1 THEN MIN(start) ELSE NULL END::date AS start
AVG(tab.number)::double precision AS number,AVG(tab.int_number)::integer AS int_number,CASE count(*) WHEN 1 THEN MIN(tab.name) ELSE NULL END::text AS name,CASE count(*) WHEN 1 THEN MIN(tab.start) ELSE NULL END::date AS start
{_vovw_5_base_t,_vovw_4_base_t,_vovw_3_base_t,_vovw_2_base_t,_vovw_1_base_t,_vovw_0_base_t}
125
{_vovw_3_base_t,_vovw_2_base_t,_vovw_1_base_t,_vovw_0_base_t}
113
{_vovw_5_column_types_t,_vovw_4_column_types_t,_vovw_3_column_types_t,_vovw_2_column_types_t,_vovw_1_column_types_t,_vovw_0_column_types_t}
{_vovw_3_column_types_t,_vovw_2_column_types_t,_vovw_1_column_types_t,_vovw_0_column_types_t}
(base_t,0,_vovw_0_base_t)
(base_t,1,_vovw_1_base_t)
(base_t,2,_vovw_2_base_t)
(base_t,3,_vovw_3_base_t)
(base_t,4,_vovw_4_base_t)
(base_t,5,_vovw_5_base_t)
(base_bare_t,0,_vovw_0_base_bare_t)
(base_bare_t,1,_vovw_1_base_bare_t)
(base_bare_t,2,_vovw_2_base_bare_t)
(base_bare_t,3,_vovw_3_base_bare_t)
(base_bare_t,4,_vovw_4_base_bare_t)
(base_bare_t,5,_vovw_5_base_bare_t)
(base_t,0,_vovw_0_base_t)
(base_t,1,_vovw_1_base_t)
(base_t,2,_vovw_2_base_t)
(base_t,3,_vovw_3_base_t)
(base_t,4,_vovw_4_base_t)
(base_t,5,_vovw_5_base_t)
(column_types_t,0,_vovw_0_column_types_t)
(column_types_t,1,_vovw_1_column_types_t)
(column_types_t,2,_vovw_2_column_types_t)
(column_types_t,3,_vovw_3_column_types_t)
(column_types_t,4,_vovw_4_column_types_t)
(column_types_t,5,_vovw_5_column_types_t)
ERROR: relation "_vovw_5_base_t" does not exist
LINE 1: SELECT count(*) FROM _vovw_5_base_t;
ERROR: relation "_vovw_2_base_t" does not exist
LINE 1: SELECT count(*) FROM _vovw_2_base_t;
^
{_vovw_5_base_t,_vovw_4_base_t,_vovw_3_base_t,_vovw_2_base_t,_vovw_1_base_t,_vovw_0_base_t}
38
DROP TABLE
DROP TABLE
DROP TABLE