Github user adrian-wang commented on a diff in the pull request: https://github.com/apache/spark/pull/4930#discussion_r26731166 --- Diff: sql/hive/src/main/scala/org/apache/spark/sql/hive/test/TestHive.scala --- @@ -151,7 +152,15 @@ class TestHiveContext(sc: SparkContext) extends HiveContext(sc) { val describedTable = "DESCRIBE (\\w+)".r + val vs = new VariableSubstitution() + protected[hive] class HiveQLQueryExecution(hql: String) + extends this.SubstitutedHiveQLQueryExecution(vs.substitute(hiveconf, hql)) + + // we should substitute variables in hql to pass the text to parseSql() as a parameter. + // Hive parser need substituted text. HiveContext.sql() does this but return a DataFrame, + // while we need a logicalPlan so we cannot reuse that. + protected[hive] class SubstitutedHiveQLQueryExecution(hql: String) extends this.QueryExecution(HiveQl.parseSql(hql)) { def hiveExec() = runSqlHive(hql) --- End diff -- @yhuai `runSqlHive` calls Driver.run directly without do substitution, so we have to substitute for this and `QueryExecution` both.
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