[jira] [Commented] (SPARK-27089) Loss of precision during decimal division
[ https://issues.apache.org/jira/browse/SPARK-27089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17192566#comment-17192566 ] Daeho Ro commented on SPARK-27089: -- It seems that the bug persists on the spark version 3.0.0 > Loss of precision during decimal division > - > > Key: SPARK-27089 > URL: https://issues.apache.org/jira/browse/SPARK-27089 > Project: Spark > Issue Type: Bug > Components: SQL >Affects Versions: 2.3.0, 2.4.0 >Reporter: ylo0ztlmtusq >Priority: Major > > Spark looses decimal places when dividing decimal numbers. > > Expected behavior (In Spark 2.2.3 or before) > > {code:java} > scala> val sql = """select cast(cast(3 as decimal(38,14)) / cast(9 as > decimal(38,14)) as decimal(38,14)) val""" > sql: String = select cast(cast(3 as decimal(38,14)) / cast(9 as > decimal(38,14)) as decimal(38,14)) val > scala> spark.sql(sql).show > 19/03/07 21:23:51 WARN ObjectStore: Failed to get database global_temp, > returning NoSuchObjectException > ++ > | val| > ++ > |0.33| > ++ > {code} > > Current behavior (In Spark 2.3.2 and later) > > {code:java} > scala> val sql = """select cast(cast(3 as decimal(38,14)) / cast(9 as > decimal(38,14)) as decimal(38,14)) val""" > sql: String = select cast(cast(3 as decimal(38,14)) / cast(9 as > decimal(38,14)) as decimal(38,14)) val > scala> spark.sql(sql).show > ++ > | val| > ++ > |0.33| > ++ > {code} > > Seems to caused by {{promote_precision(38, 6) }} > > {code:java} > scala> spark.sql(sql).explain(true) > == Parsed Logical Plan == > Project [cast((cast(3 as decimal(38,14)) / cast(9 as decimal(38,14))) as > decimal(38,14)) AS val#20] > +- OneRowRelation > == Analyzed Logical Plan == > val: decimal(38,14) > Project [cast(CheckOverflow((promote_precision(cast(cast(3 as decimal(38,14)) > as decimal(38,14))) / promote_precision(cast(cast(9 as decimal(38,14)) as > decimal(38,14, DecimalType(38,6)) as decimal(38,14)) AS val#20] > +- OneRowRelation > == Optimized Logical Plan == > Project [0.33 AS val#20] > +- OneRowRelation > == Physical Plan == > *(1) Project [0.33 AS val#20] > +- Scan OneRowRelation[] > {code} > > Source https://stackoverflow.com/q/55046492 -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Commented] (SPARK-27089) Loss of precision during decimal division
[ https://issues.apache.org/jira/browse/SPARK-27089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16797111#comment-16797111 ] Jared Leable commented on SPARK-27089: -- I validated that setting spark.sql.decimalOperations.allowPrecisionLoss=false returns the expected value. > Loss of precision during decimal division > - > > Key: SPARK-27089 > URL: https://issues.apache.org/jira/browse/SPARK-27089 > Project: Spark > Issue Type: Bug > Components: SQL >Affects Versions: 2.3.0, 2.4.0 >Reporter: ylo0ztlmtusq >Priority: Major > > Spark looses decimal places when dividing decimal numbers. > > Expected behavior (In Spark 2.2.3 or before) > > {code:java} > scala> val sql = """select cast(cast(3 as decimal(38,14)) / cast(9 as > decimal(38,14)) as decimal(38,14)) val""" > sql: String = select cast(cast(3 as decimal(38,14)) / cast(9 as > decimal(38,14)) as decimal(38,14)) val > scala> spark.sql(sql).show > 19/03/07 21:23:51 WARN ObjectStore: Failed to get database global_temp, > returning NoSuchObjectException > ++ > | val| > ++ > |0.33| > ++ > {code} > > Current behavior (In Spark 2.3.2 and later) > > {code:java} > scala> val sql = """select cast(cast(3 as decimal(38,14)) / cast(9 as > decimal(38,14)) as decimal(38,14)) val""" > sql: String = select cast(cast(3 as decimal(38,14)) / cast(9 as > decimal(38,14)) as decimal(38,14)) val > scala> spark.sql(sql).show > ++ > | val| > ++ > |0.33| > ++ > {code} > > Seems to caused by {{promote_precision(38, 6) }} > > {code:java} > scala> spark.sql(sql).explain(true) > == Parsed Logical Plan == > Project [cast((cast(3 as decimal(38,14)) / cast(9 as decimal(38,14))) as > decimal(38,14)) AS val#20] > +- OneRowRelation > == Analyzed Logical Plan == > val: decimal(38,14) > Project [cast(CheckOverflow((promote_precision(cast(cast(3 as decimal(38,14)) > as decimal(38,14))) / promote_precision(cast(cast(9 as decimal(38,14)) as > decimal(38,14, DecimalType(38,6)) as decimal(38,14)) AS val#20] > +- OneRowRelation > == Optimized Logical Plan == > Project [0.33 AS val#20] > +- OneRowRelation > == Physical Plan == > *(1) Project [0.33 AS val#20] > +- Scan OneRowRelation[] > {code} > > Source https://stackoverflow.com/q/55046492 -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Commented] (SPARK-27089) Loss of precision during decimal division
[ https://issues.apache.org/jira/browse/SPARK-27089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16794984#comment-16794984 ] Marco Gaido commented on SPARK-27089: - You can set: {{spark.sql.decimalOperations.allowPrecisionLoss}} to {{false}} and you will get the original behavior. Please see SPARK-22036 for more details. > Loss of precision during decimal division > - > > Key: SPARK-27089 > URL: https://issues.apache.org/jira/browse/SPARK-27089 > Project: Spark > Issue Type: Bug > Components: SQL >Affects Versions: 2.3.0, 2.4.0 >Reporter: ylo0ztlmtusq >Priority: Major > > Spark looses decimal places when dividing decimal numbers. > > Expected behavior (In Spark 2.2.3 or before) > > {code:java} > scala> val sql = """select cast(cast(3 as decimal(38,14)) / cast(9 as > decimal(38,14)) as decimal(38,14)) val""" > sql: String = select cast(cast(3 as decimal(38,14)) / cast(9 as > decimal(38,14)) as decimal(38,14)) val > scala> spark.sql(sql).show > 19/03/07 21:23:51 WARN ObjectStore: Failed to get database global_temp, > returning NoSuchObjectException > ++ > | val| > ++ > |0.33| > ++ > {code} > > Current behavior (In Spark 2.3.2 and later) > > {code:java} > scala> val sql = """select cast(cast(3 as decimal(38,14)) / cast(9 as > decimal(38,14)) as decimal(38,14)) val""" > sql: String = select cast(cast(3 as decimal(38,14)) / cast(9 as > decimal(38,14)) as decimal(38,14)) val > scala> spark.sql(sql).show > ++ > | val| > ++ > |0.33| > ++ > {code} > > Seems to caused by {{promote_precision(38, 6) }} > > {code:java} > scala> spark.sql(sql).explain(true) > == Parsed Logical Plan == > Project [cast((cast(3 as decimal(38,14)) / cast(9 as decimal(38,14))) as > decimal(38,14)) AS val#20] > +- OneRowRelation > == Analyzed Logical Plan == > val: decimal(38,14) > Project [cast(CheckOverflow((promote_precision(cast(cast(3 as decimal(38,14)) > as decimal(38,14))) / promote_precision(cast(cast(9 as decimal(38,14)) as > decimal(38,14, DecimalType(38,6)) as decimal(38,14)) AS val#20] > +- OneRowRelation > == Optimized Logical Plan == > Project [0.33 AS val#20] > +- OneRowRelation > == Physical Plan == > *(1) Project [0.33 AS val#20] > +- Scan OneRowRelation[] > {code} > > Source https://stackoverflow.com/q/55046492 -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Commented] (SPARK-27089) Loss of precision during decimal division
[ https://issues.apache.org/jira/browse/SPARK-27089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16787374#comment-16787374 ] Shivu Sondur commented on SPARK-27089: -- i am checking this issue > Loss of precision during decimal division > - > > Key: SPARK-27089 > URL: https://issues.apache.org/jira/browse/SPARK-27089 > Project: Spark > Issue Type: Bug > Components: SQL >Affects Versions: 2.3.0, 2.4.0 >Reporter: ylo0ztlmtusq >Priority: Major > > Spark looses decimal places when dividing decimal numbers. > > Expected behavior (In Spark 2.2.3 or before) > > {code:java} > scala> val sql = """select cast(cast(3 as decimal(38,14)) / cast(9 as > decimal(38,14)) as decimal(38,14)) val""" > sql: String = select cast(cast(3 as decimal(38,14)) / cast(9 as > decimal(38,14)) as decimal(38,14)) val > scala> spark.sql(sql).show > 19/03/07 21:23:51 WARN ObjectStore: Failed to get database global_temp, > returning NoSuchObjectException > ++ > | val| > ++ > |0.33| > ++ > {code} > > Current behavior (In Spark 2.3.2 and later) > > {code:java} > scala> val sql = """select cast(cast(3 as decimal(38,14)) / cast(9 as > decimal(38,14)) as decimal(38,14)) val""" > sql: String = select cast(cast(3 as decimal(38,14)) / cast(9 as > decimal(38,14)) as decimal(38,14)) val > scala> spark.sql(sql).show > ++ > | val| > ++ > |0.33| > ++ > {code} > > Seems to caused by {{promote_precision(38, 6) }} > > {code:java} > scala> spark.sql(sql).explain(true) > == Parsed Logical Plan == > Project [cast((cast(3 as decimal(38,14)) / cast(9 as decimal(38,14))) as > decimal(38,14)) AS val#20] > +- OneRowRelation > == Analyzed Logical Plan == > val: decimal(38,14) > Project [cast(CheckOverflow((promote_precision(cast(cast(3 as decimal(38,14)) > as decimal(38,14))) / promote_precision(cast(cast(9 as decimal(38,14)) as > decimal(38,14, DecimalType(38,6)) as decimal(38,14)) AS val#20] > +- OneRowRelation > == Optimized Logical Plan == > Project [0.33 AS val#20] > +- OneRowRelation > == Physical Plan == > *(1) Project [0.33 AS val#20] > +- Scan OneRowRelation[] > {code} > > Source https://stackoverflow.com/q/55046492 -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org