From 3f5716b9b8b8d1a2f784ca3374254b52e8dcb466 Mon Sep 17 00:00:00 2001 From: Adrien Grand Date: Wed, 31 Jan 2018 15:04:11 +0100 Subject: [PATCH] Clarify that the `null_value` option doesn't modify the `_source` document. (#28374) Closes #15959 --- docs/reference/mapping/params/null-value.asciidoc | 3 +++ 1 file changed, 3 insertions(+) diff --git a/docs/reference/mapping/params/null-value.asciidoc b/docs/reference/mapping/params/null-value.asciidoc index f7a780d8662..f85724e66d0 100644 --- a/docs/reference/mapping/params/null-value.asciidoc +++ b/docs/reference/mapping/params/null-value.asciidoc @@ -50,3 +50,6 @@ GET my_index/_search IMPORTANT: The `null_value` needs to be the same datatype as the field. For instance, a `long` field cannot have a string `null_value`. + +NOTE: The `null_value` only influences how data is indexed, it doesn't modify +the `_source` document.