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Posted to issues@spark.apache.org by "Maxim Gekk (Jira)" <ji...@apache.org> on 2020/06/01 10:46:00 UTC
[jira] [Created] (SPARK-31885) Incorrect filtering of old millis
timestamp in parquet
Maxim Gekk created SPARK-31885:
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Summary: Incorrect filtering of old millis timestamp in parquet
Key: SPARK-31885
URL: https://issues.apache.org/jira/browse/SPARK-31885
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 3.0.0, 3.1.0
Reporter: Maxim Gekk
{code:scala}
Welcome to
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/___/ .__/\_,_/_/ /_/\_\ version 3.1.0-SNAPSHOT
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Using Scala version 2.12.10 (OpenJDK 64-Bit Server VM, Java 1.8.0_242)
Type in expressions to have them evaluated.
Type :help for more information.
scala> spark.conf.set("spark.sql.parquet.outputTimestampType", "TIMESTAMP_MILLIS")
scala> spark.conf.set("spark.sql.legacy.parquet.datetimeRebaseModeInWrite", "CORRECTED")
scala> Seq(java.sql.Timestamp.valueOf("1000-06-14 08:28:53.123")).toDF("ts").write.mode("overwrite").parquet("/Users/maximgekk/tmp/ts_millis_old_filter")
scala> spark.read.parquet("/Users/maximgekk/tmp/ts_millis_old_filter").show(false)
+-----------------------+
|ts |
+-----------------------+
|1000-06-14 08:28:53.123|
+-----------------------+
scala> spark.read.parquet("/Users/maximgekk/tmp/ts_millis_old_filter").filter($"ts" === "1000-06-14 08:28:53.123")
res6: org.apache.spark.sql.Dataset[org.apache.spark.sql.Row] = [ts: timestamp]
scala> spark.read.parquet("/Users/maximgekk/tmp/ts_millis_old_filter").filter($"ts" === "1000-06-14 08:28:53.123").show(false)
+---+
|ts |
+---+
+---+
{code}
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