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How to import MSSQL spatial layer into PostGIS?
Using QGIS, load your MSSQL spatial layer into your map canvas. Using the QGIS DB Manager, simply connect to your PostGIS database and use the Import Vector Layer tool to import the QGIS layer – the MSSQL spatial layer – into your PostGIS database.
How to get a geometry object in SQL Server?
I had this same need. We have a large database containing tables with GEOMETRY columns in SQL Server. I felt that it would be more desirable to be able to get a single string object as a result from a stored proceedure that would contain the GeoJson. I wrote a function that takes a geometry instance as an object and returns a GeoJson string.
Which is the default format for PostGIS geometry?
The default format for PostGIS geometry is hex-encoded WKB (Well-Known Binary). Shapely has the ability to convert this format into shapely geometry object with its wkb module:
Is there a tool to import shapefiles to PostGIS?
Additionally, there’s the shp2pgsql-utility, which is a small GUI to import shapefiles to PostGIS. The tool I use most often for loading data to PostGIS is probably ogr2ogr. It is a very powerful tool to convert data into and from PostGIS to almost all possible vector data formats.
How to import a database file into PostGIS?
You can open the plugin from Database in the top navigation: You’d select PostGIS and then the database connection you want to use, and click “Import Layer/File” in the DB Manager window:
What’s the best way to import spatial data?
For better performance, you should use COPY statements instead of INSERT, as it results in much better performance. The most common data format for spatial data has traditionally been the ESRI shapefile. shp2pgsql is a command line tool to import ESRI shapefiles to the database.
How to join spatial data with PostgreSQL / PostGIS?
The following map displays the Statistical area polygons visualized with PgAdmin4 Geometry Viewer. Before, we move to carry out the spatial join, make sure to check out if the Coordinate Reference System (CRS) of both datasets match.
How to get msspatial to list all tables?
Note by default MSSPatial driver will only list tables with geometry (and I think geography type). You have to set an environment variable: MSSQLSPATIAL_LIST_ALL_TABLES=yes for it to list all tables. — replace localhost with the sql server name if it’s not on same server.