Github user gatorsmile commented on a diff in the pull request: https://github.com/apache/spark/pull/21741#discussion_r202423258 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala --- @@ -378,6 +378,15 @@ object SQLConf { .booleanConf .createWithDefault(true) + val PARQUET_FILTER_PUSHDOWN_TIMESTAMP_ENABLED = + buildConf("spark.sql.parquet.filterPushdown.timestamp") + .doc("If true, enables Parquet filter push-down optimization for Timestamp. " + + "This configuration only has an effect when 'spark.sql.parquet.filterPushdown' is " + + "enabled and Timestamp stored as TIMESTAMP_MICROS or TIMESTAMP_MILLIS type.") --- End diff -- You need to explain how to use `spark.sql.parquet.outputTimestampType` to control the Parquet timestamp type Spark uses to writes parquet files.
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