[SPARK-31834][SQL]Improve error message for incompatible data types #28654
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lipzhu
changed the title
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ok to test. |
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Test build #123216 has finished for PR 28654 at commit
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retest this please |
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Test build #123218 has finished for PR 28654 at commit
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maropu
reviewed
May 28, 2020
| @@ -457,7 +457,7 @@ object DataType { | |||
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| case (w: AtomicType, r: AtomicType) if storeAssignmentPolicy == STRICT => | |||
| if (!Cast.canUpCast(w, r)) { | |||
| addError(s"Cannot safely cast '$context': $w to $r") | |||
| addError(s"Cannot safely cast '$context': ${w.simpleString} to ${r.simpleString}") | |||
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nit: simpleString -> catalogString?
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+1 for catalogString :
maropu
reviewed
May 28, 2020
| @@ -467,7 +467,7 @@ object DataType { | |||
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| case (w: AtomicType, r: AtomicType) if storeAssignmentPolicy == ANSI => | |||
| if (!Cast.canANSIStoreAssign(w, r)) { | |||
| addError(s"Cannot safely cast '$context': $w to $r") | |||
| addError(s"Cannot safely cast '$context': ${w.simpleString} to ${r.simpleString}") | |||
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Test build #123236 has finished for PR 28654 at commit
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maropu
reviewed
May 28, 2020
sql/catalyst/src/test/scala/org/apache/spark/sql/types/DataTypeWriteCompatibilitySuite.scala
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maropu
reviewed
May 28, 2020
sql/catalyst/src/test/scala/org/apache/spark/sql/types/DataTypeWriteCompatibilitySuite.scala
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maropu
approved these changes
May 28, 2020
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Test build #123415 has finished for PR 28654 at commit
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retest this please |
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Test build #123423 has finished for PR 28654 at commit
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Merged to master and branch-3.0. |
HyukjinKwon
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Jun 2, 2020
### What changes were proposed in this pull request? We should use dataType.catalogString to unified the data type mismatch message. Before: ```sql spark-sql> create table SPARK_31834(a int) using parquet; spark-sql> insert into SPARK_31834 select '1'; Error in query: Cannot write incompatible data to table '`default`.`spark_31834`': - Cannot safely cast 'a': StringType to IntegerType; ``` After: ```sql spark-sql> create table SPARK_31834(a int) using parquet; spark-sql> insert into SPARK_31834 select '1'; Error in query: Cannot write incompatible data to table '`default`.`spark_31834`': - Cannot safely cast 'a': string to int; ``` ### How was this patch tested? UT. Closes #28654 from lipzhu/SPARK-31834. Authored-by: lipzhu <lipzhu@ebay.com> Signed-off-by: HyukjinKwon <gurwls223@apache.org> (cherry picked from commit d79a8a8) Signed-off-by: HyukjinKwon <gurwls223@apache.org>
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What changes were proposed in this pull request?
We should use dataType.catalogString to unified the data type mismatch message.
Before:
After:
How was this patch tested?
UT.