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Google Cloud SQL is a fully managed relational database service for MySQL, PostgreSQL, and SQL Server. With the Google Cloud SQL integration, you can connect to an existing database and bring the data directly into your Glide app. You can both read and write to your Google Cloud SQL managed databases.
Just getting started with Google Cloud SQL? You can read more about how to get set up here.
Glide apps cannot be started directly from SQL data sources. If you’re starting a new app, select Glide Tables as the source and then follow the steps below to add your SQL data.
If your credentials appear as a connection string from your hosting platform, the information above can be found in that string in this format: sql_database_type://database_user:password@host:port/database
In Glide, open the Data Editor and click the plus (+) next to Tables to add a new table.
Navigate to SQL and select Google Cloud SQL.
Choose which Google account you’d like to connect with.
Give the database connection an internal name.
Choose the database type, MySQL, PostgreSQL, or SQL Server.
Enter the instance Connection name, found in your Google Cloud Console.
Enter the database name. This must match the name in Google Cloud SQL.
Disable SSL certificate verification if desired. This is less secure.
Add the username and password of the database user that should be used for access.
Click Continue to save your configuration settings.
SQL data source integrations can also be added in App Settings, in the Integrations menu. If you have multiple databases to sync from the same source, you can add those in the Integrations menu.
Syncing Data from Google Cloud SQL
Now that you’ve connected the database to your app, you can add data from it in the data editor. You can link a full dataset to create a read and write table in Glide, or you can query your data to create a read-only table. To read and write to a table, your table must have at least one primary key. If you haven’t set a primary key in your source table, Glide will prompt you to choose one. Date or time fields cannot be the primary key at this time.
If you’d like to let users manually refresh data in your app, you can create a Reload query action.
In the Data Editor, click the plus (+) button to add a new table.
Select Google Cloud SQL.
Search or browse your datasets and select the one you want to sync with Glide.
Select Continue.
Your dataset will appear as a table in the data editor.
If your table’s schema has changed, click the ↻ icon next to the table name to update the columns of your table. This will not update automatically, so if you’ve made a change to your table in your SQL database, you must sync the table schema for that change to appear in Glide.
Creating a read-only table with a query
You can also query your data to create a read-only table in Glide. Data from SQL data sources is not mirrored. This means that Glide queries your database to retrieve the data from your SQL table. This query happens on demand when you view the data in the data editor, and when users view the data in your app. To allow users to manually refresh the data in your app, you can create a Reload query action.
In the Data Editor, click the plus (+) button to add a new table.
Select Google Cloud SQL.
Select Custom Query to open the query screen.
In the query screen, run whatever queries you like to create the dataset you want to pull into Glide.
In order to save your query as the definition of your table, you will need to select a column to use as the
id.If you already have a column in your table calledid, this will be chosen automatically.When you're ready, you can name the query by clicking on Untitled query and changing the name.
Select Save.
You can now work with this data for your Glide app.
Editing Your Queried Table
To change your table:
In the Data Editor, open the table you created with the query.
Select edit query in the upper right corner of your query table.
Make any changes to the query you'd like.
Preview your data, then save it to update your table.
Removing your SQL data source
To remove your SQL data from your Glide app:
In the Data Editor, unlink each table you synced from the database.
Once all tables are unlinked, go to the App Settings menu and select Remove from app.
Note that if you created any Reload Query actions connected to this data source, those actions will disappear from your app.
File Tracking with SQL Databases
If you use components that allow users to upload files to your app, Glide will automatically create a Big Table in your team to save both the file and several pieces of metadata. The table will be named with the convention Team Name: Uploaded Files. This new table will automatically store the following metadata:
URL of the file
Timestamp of when the file was added
AppID of the app that saved the file
Email of the user who uploaded the file
Name of the table where the file was saved
the RowID of the row the file was saved in
This table will be created the first time a user uploads a file to an app with a SQL data source, and the table cannot be deleted. The columns in the table also cannot be changed.
SQL Data Sources Audit Log
When you sync a SQL data source to Glide, an audit log is automatically generated to keep track of any new data that is written to your SQL data source. This audit log will appear as a Big Table in the Data Editor called SQL Table Audit Logs and is read-only. The table cannot be deleted. The columns in the table also cannot be changed.
The audit log table can be used in your apps if you’d like to build interfaces or other functionality for users. It will automatically capture the following information when data is written to the SQL data source:
Date and time the write started at
Date and time the write ended at
Operation (add, delete, or set)
The App ID that made the change
User email who made the change
Source of the change (Builder, Data Editor, etc.)
Screen path where the change was made
Which SQL integration was used
The name of the table that was changed in the external SQL database
The name of the Glide table that was changed
The Row ID of the row that was changed
The full data package that was sent, as JSON
The result of the change, as JSON
Any error message that may have been returned
This audit log can be useful for debugging any issues that may arise when trying to write to a SQL data source, or for administrators or IT to have a high level view of what changes are being sent to your database. If you create more than one app with a SQL data integration, each app with the integration will automatically have this Big Table. You can also link this table to other apps within the same team, enabling you to create a standalone app with this data, if desired.
Limitations of Google Cloud SQL
It is not possible to use a table from a SQL data source as your app’s Users Table.
The primary key column must be unique and stable. "Unique" means that no two rows can have the same primary key. "Stable" means that the same row must always have the same primary key, which means that it can't be an ID that's randomly generated every time the table is queried, for example
Write Limitations
The following functionality is not yet supported for SQL data sources:
Creating new columns in Glide
Offline add row
User-specific columns
We recommend structuring you app so these limitations are respected. Columns that are non-nullable will show errors when you add rows because the default value will be null. We recommend configuring the default values in your SQL database.
Columns that have constraints that are unknown to Glide might show errors when you try to add or edit them.
Query Limitations
Query-based tables cannot be written to. The following functionality is not yet supported for SQL data sources:
Common Table Expressions (i.e.,
WITHsyntax)ORDER BYwithin the sub-query will not change the ordering of the result setTo order your rows, you can use the
Sort datafeature in a collection
If you are using functions or other expressions, you should alias the result to what you want the column name to appear as in Glide
Aggregation Limitations
The following aggregation features are not currently supported for computed columns in tables from SQL data sources:
Relations based on Computed Columns—the target column cannot be a computed column if it’s in a SQL data source (but the source column can be)
Some Single Value columns that target SQL columns. Only Single Value --> First is supported
Multi Lookups into SQL sources (eg. Lookups via Multiple Relations or Lookups that target an entire SQL column)
Filtering, sorting, and search by computed columns
Joined List columns that target computed columns in SQL
Rollups that target computed columns in SQL
The Delete Rows action cannot be applied through a multi-relation in SQL
Aggregation Workaround
While computed columns like Rollups don’t currently work with SQL data sources, this can be worked around by writing a query that includes the aggregation you’d like to perform.
For a list of common SQL math functions, check out this resource.
For example, to add each row of a column and get the total column value, you can write the SUM function directly into your query, like this:
SELECT company_id, SUM(quantity) as "total_quantity", SUM(cost) as "total_cost", FROM public.orders, GROUP By compani_id
The resulting table will include the aggregation you want to perform. This table will be read-only, but it can be used in your app to display data for users. When users add or edit data in your app, it will update the database and the queried data will update as well. To do this instantly, add a Reload Query action.
Let’s look at this whole process in an example.