You can write and edit queries for Hive-LLAP data warehouses using the query composer.
- To log in to DAS, you must set the IPA password for your Workload User Name, which is
listed in User Management in the Management Console.
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Log into the CDP web interface and navigate to the Data Warehouse service.
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In the Data Warehouse service, navigate to the Overview page.
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On the Overview page under Virtual Warehouses, click the options
menu for a Hive data warehouse and select Open DAS:
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In DAS, search for the required tables if needed. The Tables
column displays all the tables in the Database Catalog.
Click on a table name to view the columns within the table. Use the
Filter field to enter text to further refine your search for the
required column.
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Enter the query in the worksheet tab.
If your Database Catalog contains more than or equal to 10,000 columns, press
Ctrl + Spacebar on your keyboard to enable the
auto-complete pop-up while you type the query.
The auto-complete pop-up appears as you type if the number of columns in your
Database Catalog is less than 10,000. Each worksheet is identified by a unique name
and you can add worksheets using the plus icon. The worksheet tab provides auto
completion features. As you start entering the query, the worksheet suggests SQL
commands, keywords, and table columns according to the query.
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Perform the desired operation:
- Click Execute to run the query. Alternatively, you can use
the keyboard shortcut to execute the query: press Ctrl +
Enter on Windows and control +
return on XOS. Make sure that you press the keyboard shortcut
while you are in the query editor.
- Click Save As to save the worksheet with a different name.
- Click Visual Explain to view the query details in the
form of a block diagram.
- Select Show Results to download the query results.
- Select Download Results to download the query results.
- Click the Saved tab to view saved queries and edit them.
