guofeng created SPARK-7860:
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Summary: Spark SQL join two table with different datatype compare
condition
Key: SPARK-7860
URL: https://issues.apache.org/jira/browse/SPARK-7860
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 1.3.1
Environment: linux
Reporter: guofeng
as below,Select expression's join condition is age compare with name,but age is
Int,name is String,this codition dosen't make sense
// Apply a schema to an RDD of Java Beans and register it as a table.
DataFrame schemaPeople = sqlContext.createDataFrame(people,
Person.class);
schemaPeople.registerTempTable("people");
DataFrame schemaPeople1 = sqlContext.createDataFrame(people,
Person.class);
schemaPeople.registerTempTable("people1");
// SQL can be run over RDDs that have been registered as tables.
DataFrame teenagers = sqlContext.sql("SELECT a.name FROM people a join
people1 b on a.name = b.age");
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