From d5ed89b946297270ec28abf44bef2371a06f1f4f Mon Sep 17 00:00:00 2001 From: Hilko Bengen Date: Sat, 7 Jun 2014 12:02:12 +0200 Subject: Imported Upstream version 1.0.3 --- docs/reference/mapping/fields/uid-field.asciidoc | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100644 docs/reference/mapping/fields/uid-field.asciidoc (limited to 'docs/reference/mapping/fields/uid-field.asciidoc') diff --git a/docs/reference/mapping/fields/uid-field.asciidoc b/docs/reference/mapping/fields/uid-field.asciidoc new file mode 100644 index 0000000..f9ce245 --- /dev/null +++ b/docs/reference/mapping/fields/uid-field.asciidoc @@ -0,0 +1,11 @@ +[[mapping-uid-field]] +=== `_uid` + +Each document indexed is associated with an id and a type, the internal +`_uid` field is the unique identifier of a document within an index and +is composed of the type and the id (meaning that different types can +have the same id and still maintain uniqueness). + +The `_uid` field is automatically used when `_type` is not indexed to +perform type based filtering, and does not require the `_id` to be +indexed. -- cgit v1.2.3