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Carla Iriberri 2015-11-20 17:15:37 +01:00
parent fc0e883c20
commit 333a408199
1 changed files with 3 additions and 3 deletions
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doc/cartodbfy-requirements.rst
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@ -22,7 +22,7 @@ Valid CartoDB tables
A valid CartoDB table shall meet the following conditions:
- Have a ``cartodb_id`` column as primary key with a sequence
- Have a ``cartodb_id`` integer column as primary key with a sequence as default value
- Have a ``the_geom`` column of type ``Geometry`` with SRID 4326
- Have a ``the_geom_webmercator`` column of type ``Geometry`` with SRID 3857
- The columns ``the_geom`` and ``the_geom_webmercator`` shall be in sync
@ -49,8 +49,8 @@ Note that there should be only one feature per row in the source table. If there
Low-level requirements
======================
- If the original table contains a valid ``cartodb_id`` column, it shall be used
- If the original table contains a valid ``the_geom`` or ``the_geom_webmercator`` it shall be used.
- If the original table contains a valid (unique) ``cartodb_id`` column, it shall be used
- If the original table contains a ``the_geom`` column or a ``the_geom_webmercator`` column in the expected projection (EPSG 4326 and EPSG 3857, respectively) they shall be used.
- A modification of a cartodbfy'ed table shall insert or update a row in ``CDB_TableMetadata``
- A cartodbfy'ed table shall have a ``btree`` index on ``cartodb_id``
- A cartodbfy'ed table shall have ``gist`` indices on ``the_geom`` and ``the_geom_webmercator``