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[SPARK-7266] Add ExpectsInputTypes to expressions when possible.
This should gives us better analysis time error messages (rather than runtime) and automatic type casting. Author: Reynold Xin <rxin@databricks.com> Closes #5796 from rxin/expected-input-types and squashes the following commits: c900760 [Reynold Xin] [SPARK-7266] Add ExpectsInputTypes to expressions when possible.
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- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/HiveTypeCoercion.scala 30 additions, 28 deletions...apache/spark/sql/catalyst/analysis/HiveTypeCoercion.scala
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Expression.scala 2 additions, 1 deletion...rg/apache/spark/sql/catalyst/expressions/Expression.scala
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/arithmetic.scala 1 addition, 3 deletions...rg/apache/spark/sql/catalyst/expressions/arithmetic.scala
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/predicates.scala 14 additions, 8 deletions...rg/apache/spark/sql/catalyst/expressions/predicates.scala
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringOperations.scala 24 additions, 16 deletions...che/spark/sql/catalyst/expressions/stringOperations.scala
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