gengliangwang commented on issue #25693: [SPARK-28989][SQL] Add `spark.sql.ansi.enabled` URL: https://github.com/apache/spark/pull/25693#issuecomment-528696472 @dongjoon-hyun There are features specified in ANSI SQL, such as throw error on numeric value overflow. We can switch these features with the option `spark.sql.ansi.enabled`. ANSI SQL only specified high-level syntax and rules. There are "implementation-defined" behaviors, such as the result type of division of two exact number. We cant switch these detail behaviors via the option `spark.sql.dialect`.
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