[SPARK-9292] Analysis should check that join conditions' data types are BooleanType #7630
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| @@ -83,6 +83,11 @@ trait CheckAnalysis { | |||
| s"filter expression '${f.condition.prettyString}' " + | |||
| s"of type ${f.condition.dataType.simpleString} is not a boolean.") | |||
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| case j @ Join(_, _, _, Some(condition)) if condition.dataType != BooleanType => | |||
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Can we also make Join's resolved only true if the condition is of the correct type?
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Test build #38288 has finished for PR 7630 at commit
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Test build #38287 has finished for PR 7630 at commit
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Thanks! Merging to master. |
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This patch adds an analysis check to ensure that join conditions' data types are BooleanType. This check is necessary in order to report proper errors for non-boolean DataFrame join conditions.