QuartzMap/docs/source/createdb.rst

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Create Database
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If you do not have an existing PostGIS database, you can create one from your QGIS Project.
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You have two options for doing so.
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.. contents:: Table of Contents
Option 1: Export layers to GeoPackage
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1. Export your layer(s)
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Right click on layer > Export > Save As > GeoPackage
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.. image:: images/create-db-1.png
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2. Upload GeoPackages
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Go to Data Sources > Create and upload your GeoPackage(s).
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.. image:: images/create-db-2.png
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3. Set Layers to Data Source
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Set your map layer(s) to use your new Data Source
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.. image:: images/select-data.png
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4. Change QGIS Data Source
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Optionally, you can now also set your QGIS Project to use your new database as well.
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Just right click on the layer(s) > Change Data Source
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Select the PostGIS data source you created above.
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.. image:: images/create-db-3.png
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Option 2: Create Empty DB and Use DB Manager
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1. Create an empty database
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Go to Data Sources > QGS > Create
Be sure to select "Only Create PostGIS Database"
Give your database a name and click Create
.. image:: images/create-empty-db-1.png
2. Add pg_service.conf Entry
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Go to Data Sources and click "Show Connection Information" for your new database
.. image:: images/create-empty-db-4.png
Add the connection information to your local pg_service.conf file
.. image:: images/db-manager-3.png
Add the new connection to QGIS PostgreSQL
3. Create Tables from Layers
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In QGIS, go to DB Manager, select your database and click "Import Layer/File"
.. image:: images/create-empty-db-5.png
Select the layer to input and table name:
.. image:: images/create-empty-db-6.png
Repeat for any additional layers.