Takeshi Yamamuro created SPARK-20730: ----------------------------------------
Summary: Add a new Optimizer rule to combine nested Concats Key: SPARK-20730 URL: https://issues.apache.org/jira/browse/SPARK-20730 Project: Spark Issue Type: Improvement Components: SQL Affects Versions: 2.1.1 Reporter: Takeshi Yamamuro The master supports a pipeline operator '||' to concatenate strings. Since the parser generates nested Concat expressions, the optimizer needs to combine the nested expressions. -- This message was sent by Atlassian JIRA (v6.3.15#6346) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org