Created
October 10, 2019 18:45
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Example of an Empty Element Query with MarkLogic
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| (: Create sample docs :) | |
| xquery version "1.0-ml"; | |
| ( | |
| xdmp:document-insert("/test/zero.xml", <doc><a>1</a><b>1</b><c>1</c><d>1</d></doc>), | |
| xdmp:document-insert("/test/one.xml", <doc><a>1</a><b>1</b><c>1</c><d></d></doc>), | |
| xdmp:document-insert("/test/two.xml", <doc><a>1</a><b>1</b><c></c><d></d></doc>), | |
| xdmp:document-insert("/test/three.xml", <doc><a>1</a><b></b><c></c><d></d></doc>), | |
| xdmp:document-insert("/test/four.xml", <doc><a></a><b></b><c></c><d></d></doc>) | |
| ) | |
| ; | |
| (: Count empty documents for each value :) | |
| xquery version "1.0-ml"; | |
| for $x in ("a", "b", "c", "d", "e") | |
| return ($x, | |
| xdmp:estimate(cts:search(fn:doc(), cts:element-value-query(xs:QName($x), "" ) )) | |
| ) |
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