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(Updated May 21, 2020, 3:42 a.m.) Review request for atlas, Madhan Neethiraj, Nixon Rodrigues, and Sarath Subramanian. Bugs: ATLAS-3802 https://issues.apache.org/jira/browse/ATLAS-3802 Repository: atlas Description ------- Issue: When filter with 'attribute' != 'value' is searched, it doesn't fetch entities where attribute is not present. Workaround: In the current implementation attribute = null is ignored, So now we can allow null when Operator is NEQ. Diffs ----- repository/src/main/java/org/apache/atlas/util/SearchPredicateUtil.java 4408cd449 repository/src/test/java/org/apache/atlas/BasicTestSetup.java 7508f7855 repository/src/test/java/org/apache/atlas/discovery/BasicSearchClassificationTest.java 95f782abb repository/src/test/java/org/apache/atlas/discovery/EntitySearchProcessorTest.java 1951c3937 Diff: https://reviews.apache.org/r/72533/diff/1/ Testing ------- Added test cases and manually tested NEQ operator for below scenarios: 1) Non String Attribute -> index query 2) String Attributes -> graph query 3) pipeSeperated Attributes (classificationNames,labels) -> NOT_CONTAINS operator -> graph query 4) businessMetadata attribute Thanks, Pinal Shah