Rafa de la Torre
0c43fe2731
Define API of CDB_QueryTablesUpdatedAt
2016-02-08 19:29:14 +01:00
Alejandro Martínez
edf79d9368
Add remote cdb_tablemetadata manually from public schema
2016-02-08 15:45:58 +01:00
Rafa de la Torre
8dedd2b3f4
Fix small typos: s/name/fdw_name/
2016-02-05 13:15:20 +01:00
Rafa de la Torre
11834dfdab
Fix typo: missing semicolon
2016-02-05 10:44:55 +01:00
Alejandro Martínez
b957635e78
Add CDB_Get_Foreign_Updated_At function
2016-02-04 18:26:43 +01:00
Alejandro Martínez
a9b9f1ff6c
Rename CDB_FDW_Create to CDB_FDW_Setup, formatting fixes
2016-02-04 12:06:22 +01:00
Alejandro Martínez
d7b560324a
Add _Create_FDW function to create a FDW defined on the config by name
2016-02-03 18:07:23 +01:00
Alejandro Martínez
7b52058265
Add CDB_ForeignTable functions
2016-02-03 17:50:13 +01:00
Javier Goizueta
5285943dbf
Fix function declaration for create_from_unpackaged.sh use
...
The script create_from_unpackaged.sh does not support
function declarations where the signature (name and parameter list
of the function, including parentheses) is not on a single line.
2016-02-01 18:56:55 +01:00
Javier Goizueta
06dd31f4ad
Fix: should be floating point divistion, not integer division
2016-01-29 16:51:52 +01:00
Javier Goizueta
6a11698a16
Merge branch 'overviews' into sql_lang
2016-01-29 16:29:23 +01:00
Javier Goizueta
00bd302f01
Avoid creating GridCluster overviews for non-point datasets
2016-01-29 16:19:35 +01:00
Javier Goizueta
93d4a6ead0
Restrict SECURITY DEFINER to overview registration
...
And check it is applied only overview tables with valid names
2016-01-28 17:04:06 +01:00
Javier Goizueta
66387c2d44
Make CDB_CreateOverviews a SECURITY DEFINER function
...
So that it can change the permissions of overview tables
(by updating pg_class) even when executed by non-priviledeged users.
2016-01-28 16:32:40 +01:00
Javier Goizueta
26c95347cd
Merge branch 'master' into overviews
2016-01-27 16:56:15 +01:00
Javier Goizueta
b8d50204dd
Avoid aggregation which causes out-of-memory crashes in PostgreSQL
...
The use of multiple string_agg functions, even if applied to groups
of one single record causes out of memory crashes in PG 9.3.4 for
some (large) tables.
2016-01-27 15:24:04 +01:00
Javier Goizueta
474de01757
Change the overview table naming scheme
...
The scheme is changed from table_ovN to _vovw_N_table for
lower collision probability.
Also future naming changes will be easier by using the functions
_CDB_OverviewTableDiscriminator, _CDB_OverviewTableName,
_CDB_IsOverviewTableOf, etc.
2016-01-26 13:20:28 +01:00
Javier Goizueta
1ebaeb76ac
Overload CDB_Overviews to accept either a single table or an array
...
The result of CDB_Overviews has been expandend with a base_table column
2016-01-26 10:39:26 +01:00
Javier Goizueta
7033a8d9ac
Fixes for table names that require quotes or which include a schema name
...
Some cases left unsolved, with FIXME comments
2016-01-13 18:49:27 +01:00
Javier Goizueta
46bc774d38
Fix CDB_Overviews for the case that the table name requires quoting
2016-01-13 18:24:06 +01:00
Javier Goizueta
a9e2d19918
Document CDB_DropOverviews
2016-01-12 16:20:11 +01:00
Javier Goizueta
5b47c51221
Add function to drop overviews
2016-01-12 15:35:50 +01:00
Javier Goizueta
ccdf8de59e
Enhance documentation, update comments
2016-01-12 12:08:41 +01:00
Javier Goizueta
02f386be33
Regard the GridCluster reduction strategy as private
...
The *strategy* parameteriation will be considered an
implementation detail for the time being.
2016-01-12 11:59:42 +01:00
Javier Goizueta
a7c70fe497
Fix: CDB_ZoomFromScale deviation for lowest zoom levels
2016-01-12 11:46:47 +01:00
Javier Goizueta
0a066e0126
Change the default overview reduction strategy to GridCluster
2016-01-11 15:35:04 +01:00
Javier Goizueta
913640e2dc
Preserve the column ordering of the base table in overviews
2016-01-11 15:34:10 +01:00
Javier Goizueta
ef7e613d41
Change CDB_ColumnNames to order columns names as in table
2016-01-11 15:28:27 +01:00
Javier Goizueta
fd7a8cff71
Change regular expression for consistency
2016-01-11 15:27:05 +01:00
Javier Goizueta
6ea63af974
Add function to obtain existing overviews of a table
2016-01-11 14:50:10 +01:00
Javier Goizueta
496f079b1c
Copy dataset privileges to overview tables
2016-01-04 18:06:56 +01:00
Javier Goizueta
4580c9cd5c
Change the cartodb_ids of aggregated overviews
...
Instead of arbitrary ids, the id of one of the aggregated records
is used, so that if it is used in the UI to query point
the information of one of the records grouped at the point will be
retrieved.
2016-01-04 10:33:39 +01:00
Javier Goizueta
08828b8b7d
Set owner of overlays to the owner of the base table
2015-12-29 15:22:12 +01:00
Javier Goizueta
cecba655eb
Preserve aggregated attributes of singleton groups
2015-12-29 14:56:47 +01:00
Javier Goizueta
b34a752172
Generate overviews for all Z levels
...
Skipping levels produces visually inferior results
2015-12-29 14:56:04 +01:00
Javier Goizueta
8ba9e74c4a
Order columns of aggregated overlays as in the base table
2015-12-29 13:38:07 +01:00
Javier Goizueta
6a6a5bc96a
Fix Sampling reduction to avoid RandomTids problems
...
The fixed cases will not be common but do occur in tests.
This is an interim fix which should be reverted if CDB_randomTids changes.
2015-12-28 19:41:14 +01:00
Javier Goizueta
2ff686de27
Clean up: remove spurious comment
2015-12-28 19:30:20 +01:00
Javier Goizueta
07326626b7
More efficient sampling strategy
...
It is also renamed properly.
2015-12-28 19:28:20 +01:00
Javier Goizueta
4afc427008
Rename Ref. Z strategy function
...
It's not that *dummy* anymore, so choose a more descriptive name
2015-12-28 17:47:57 +01:00
Alejandro Martínez
2a2a7d534a
Merge remote-tracking branch 'origin/master' into remove_schema_triggers
2015-12-23 17:09:41 +01:00
Javier Goizueta
a8a2c04d71
Remove invalid comment
2015-12-23 14:20:57 +01:00
Javier Goizueta
a5bca7d715
Add function for post-processing new overview tables
2015-12-23 14:17:50 +01:00
Javier Goizueta
552206464e
Make strategy function public
2015-12-23 12:50:04 +01:00
Javier Goizueta
2af0b9a57f
Add function comments
2015-12-23 12:42:40 +01:00
Javier Goizueta
1b5de84c9a
Add missing attribute-aggregationto the point reduction strategy
2015-12-23 12:17:37 +01:00
Javier Goizueta
5a78ee2896
Optimize the gridded clustering strategy
...
The internal grid_px parameter is adjusted for best results with default symbol size
2015-12-22 17:59:49 +01:00
Javier Goizueta
c8a1ef6f68
Slight optimization of gridded clustering
2015-12-22 15:25:21 +01:00
Paul Norman
ea7c16fbaf
Convert some simple functions from plpgsql to sql
...
SQL is a faster language to call, and these are very simple functions.
2015-12-21 23:59:26 -08:00
Rafa de la Torre
564ab75d2d
Use _cdb_estimated_extent instead of ST_Extent
...
With a 3.8M points table, this was a ~30% gain in my local env.
2015-12-21 18:41:50 +01:00