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Using unnest() to use a comma-separated string as the input to an IN query
Using unnest() to use a comma-separated string as the input to an IN query#
django-sql-dashboard lets you define a SQL query plus one or more text inputs that the user can provide in order to execute the query.
I wanted the user to provide a comma-separated list of IDs which I would then use as input to a WHERE column IN ... query.
I figured out how to do that using the unnest() function and regexp_split_to_array:
1select * from report where id in (select unnest(regexp_split_to_array(%(ids)s, ',')))The ids string passed to this query is split on commas and used for the IN clause.
Here’s a simple demo of how unnest() works:
1select unnest(regexp_split_to_array('1,2,3', ','))Output:
| unnest |
|---|
| 1 |
| 2 |
| 3 |
Using unnest() to use a comma-separated string as the input to an IN query
https://mranv.pages.dev/posts/using-unnest-to-use-a-comma-separated-string-as-the-input-to-an-in-query/ Newsletter
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