topic How does Spark SQL Catalyst optimizer work? in Data Engineering

topic How does Spark SQL Catalyst optimizer work? in Data Engineering https://community.databricks.com/t5/data-engineering/how-does-spark-sql-catalyst-optimizer-work/m-p/24588#M17118 <P>How does Catalyst optimizer improves the performances, what is its role?</P> Tue, 15 Jun 2021 12:03:02 GMT Srikanth_Gupta_ 2021-06-15T12:03:02Z How does Spark SQL Catalyst optimizer work? https://community.databricks.com/t5/data-engineering/how-does-spark-sql-catalyst-optimizer-work/m-p/24588#M17118 <P>How does Catalyst optimizer improves the performances, what is its role?</P> Tue, 15 Jun 2021 12:03:02 GMT https://community.databricks.com/t5/data-engineering/how-does-spark-sql-catalyst-optimizer-work/m-p/24588#M17118 Srikanth_Gupta_ 2021-06-15T12:03:02Z Re: How does Spark SQL Catalyst optimizer work? https://community.databricks.com/t5/data-engineering/how-does-spark-sql-catalyst-optimizer-work/m-p/24589#M17119 <P>Catalyst optimizer converts unresolved logical plan into executable physical plan, deep dive is available <A href="https://databricks.com/blog/2015/04/13/deep-dive-into-spark-sqls-catalyst-optimizer.html" alt="https://databricks.com/blog/2015/04/13/deep-dive-into-spark-sqls-catalyst-optimizer.html" target="_blank">here</A></P> Tue, 15 Jun 2021 12:03:55 GMT https://community.databricks.com/t5/data-engineering/how-does-spark-sql-catalyst-optimizer-work/m-p/24589#M17119 Srikanth_Gupta_ 2021-06-15T12:03:55Z