[
https://issues.apache.org/jira/browse/SPARK-21774?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
StanZhai updated SPARK-21774:
-----------------------------
Description:
Data
{code}
create temporary view tb as select * from values
("0", 1),
("-0.1", 2),
("1", 3)
as grouping(a, b)
{code}
SQL:
{code}
select a, b from tb where a=0
{code}
The result which is wrong:
{code}
+----+---+
| a| b|
+----+---+
| 0| 1|
|-0.1| 2|
+----+---+
{code}
Logical Plan:
{code}
== Parsed Logical Plan ==
'Project ['a]
+- 'Filter ('a = 0)
+- 'UnresolvedRelation `src`
== Analyzed Logical Plan ==
a: string
Project [a#8528]
+- Filter (cast(a#8528 as int) = 0)
+- SubqueryAlias src
+- Project [_1#8525 AS a#8528, _2#8526 AS b#8529]
+- LocalRelation [_1#8525, _2#8526]
{code}
was:
Data
{code}
create temporary view tb as select * from values
("0", 1),
("-0.1", 2),
("1", 3)
as grouping(a, b)
{code}
SQL:
{code}
select a, b from tb where a=0
{code}
The result which is wrong:
{code}
+----+---+
| a| b|
+----+---+
| 0| 1|
|-0.1| 2|
+----+---+
{code}
> The rule PromoteStrings cast string to a wrong data type
> --------------------------------------------------------
>
> Key: SPARK-21774
> URL: https://issues.apache.org/jira/browse/SPARK-21774
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.2.0
> Reporter: StanZhai
> Priority: Critical
> Labels: correctness
>
> Data
> {code}
> create temporary view tb as select * from values
> ("0", 1),
> ("-0.1", 2),
> ("1", 3)
> as grouping(a, b)
> {code}
> SQL:
> {code}
> select a, b from tb where a=0
> {code}
> The result which is wrong:
> {code}
> +----+---+
> | a| b|
> +----+---+
> | 0| 1|
> |-0.1| 2|
> +----+---+
> {code}
> Logical Plan:
> {code}
> == Parsed Logical Plan ==
> 'Project ['a]
> +- 'Filter ('a = 0)
> +- 'UnresolvedRelation `src`
> == Analyzed Logical Plan ==
> a: string
> Project [a#8528]
> +- Filter (cast(a#8528 as int) = 0)
> +- SubqueryAlias src
> +- Project [_1#8525 AS a#8528, _2#8526 AS b#8529]
> +- LocalRelation [_1#8525, _2#8526]
> {code}
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