Created
November 6, 2011 00:56
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W3C XQuery 3.0 - Group By Use Cases Q1, using distinct-values
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| <sales-qty-by-product>{ | |
| for $pname in distinct-values( | |
| doc("sales-records.xml")/*/record/product-name) | |
| order by $pname | |
| return | |
| <product name="{$pname}">{ | |
| sum( | |
| doc("sales-records.xml")/*/record[ | |
| product-name eq $pname ]/qty) | |
| }</product> | |
| }</sales-qty-by-product> |
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