gengliangwang commented on a change in pull request #25697: [SPARK-28997][SQL]
Add `spark.sql.dialect`
URL: https://github.com/apache/spark/pull/25697#discussion_r327569588
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
##########
@@ -1589,12 +1589,22 @@ object SQLConf {
.booleanConf
.createWithDefault(false)
- val PREFER_INTEGRAL_DIVISION =
buildConf("spark.sql.function.preferIntegralDivision")
- .internal()
- .doc("When true, will perform integral division with the / operator " +
- "if both sides are integral types. This is for PostgreSQL test cases
only.")
- .booleanConf
- .createWithDefault(false)
+ object Dialect extends Enumeration {
+ val SPARK, POSTGRESQL = Value
+ }
+
+ val DIALECT =
+ buildConf("spark.sql.dialect")
+ .doc("The specific features of the SQL language to be adopted, which are
available when " +
Review comment:
Let's have a follow-up PR to add wiki page for the PostgreSQL dialect
behaviors.
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