Khurram Faraaz created DRILL-4942: ------------------------------------- Summary: incorrect result - case when (not null is null) then true else false end Key: DRILL-4942 URL: https://issues.apache.org/jira/browse/DRILL-4942 Project: Apache Drill Issue Type: Bug Components: Execution - Flow Affects Versions: 1.9.0 Reporter: Khurram Faraaz
Drill's result is different from that of Calcite and Postgres result. Postgres 9.3 results {noformat} postgres=# select (case when (not null is null) then true else false end) from (values(1)) foo; case ------ f (1 row) {noformat} Calcite release 1.8.0 too returns false {noformat} 0: jdbc:calcite:model=target/test-classes/mod> select (case when (not null is null) then true else false end) from (values(1)); +--------+ | EXPR$0 | +--------+ | false | +--------+ 1 row selected (1.271 seconds) {noformat} Drill 1.9.0 git commit ID: 4edabe7a, returns true {noformat} 0: jdbc:drill:schema=dfs.tmp> select (case when (not null is null) then true else false end) from (values(1)); +---------+ | EXPR$0 | +---------+ | true | +---------+ 1 row selected (0.096 seconds) {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)