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slightly updated docs

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jsteemann 2015-12-22 20:33:50 +01:00
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Documentation/Books/Users/Aql/ArrayFunctions.mdpp
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@ -4,7 +4,8 @@ AQL supports the following functions to operate on array values:
- *LENGTH(array)*: Returns the length (number of array elements) of *array*. If
*array* is an object / document, returns the number of attribute keys of the document,
regardless of their values.
regardless of their values. If *array* is a collection, returns the number of documents
in it.
- *FLATTEN(array, depth)*: Turns an array of arrays into a flat array. All
array elements in *array* will be expanded in the result array. Non-array elements