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Merged
szarnyasg merged 3 commits into from
Jan 31, 2026
Merged

Update Python-style List Comprehension Docs #6467

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d-justen Jan 30, 2026
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d-justen Jan 30, 2026
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Update docs/preview/sql/functions/list.md
d-justen Jan 31, 2026
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8 changes: 7 additions & 1 deletion docs/preview/sql/functions/list.md
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Original file line number Diff line number Diff line change
Expand Up @@ -872,7 +872,13 @@ SELECT [4, 5, 6] AS l, [x FOR x, i IN l IF i != 2] AS filtered;
|-----------|----------|
| [4, 5, 6] | [4, 6] |

Under the hood, `[f(x) FOR x IN l IF g(x)]` is translated to `list_apply(list_filter(l, lambda x: g(x)), lambda x: f(x))`.
Under the hood, `[f(x, i) FOR x IN l IF g(x, i)]` is translated to:

```text
list_apply(l, lambda x, i: {'filter': g(x, i), 'result': f(x, i)})
.list_filter(lambda x: x.filter)
.list_apply(lambda x: x.result)
```

## Range Functions

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