6b5cf1b031
It's possible for a constant_keyword to have a 'null' value before any documents are seen that contain a value for the field. In this case, no documents have a value for the field, and 'exists' queries should return no documents. |
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main/java/org/elasticsearch/xpack/constantkeyword | ||
test/java/org/elasticsearch/xpack/constantkeyword/mapper |