SQL: Add support for queries with project-after-semijoin. #6756
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These didn't work before, since the top Project rel wasn't getting merged into the DruidSemiJoin rel. This patch allows that to happen.
gianm
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Dec 19, 2018
* SQL: Add support for queries with project-after-semijoin. These didn't work before, since the top Project rel wasn't getting merged into the DruidSemiJoin rel. This patch allows that to happen. * Null handling * Null handling * Null handling
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These didn't work before, since the top Project rel wasn't getting
merged into the DruidSemiJoin rel. This patch allows that to happen.