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[SPARK-9208][SQL] Remove variant of DataFrame string functions that accept column names.
It can be ambiguous whether that is a string literal or a column name. cc marmbrus Author: Reynold Xin <rxin@databricks.com> Closes #7556 from rxin/str-exprs and squashes the following commits: 92afa83 [Reynold Xin] [SPARK-9208][SQL] Remove variant of DataFrame string functions that accept column names.
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- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala 1 addition, 1 deletion...a/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
- sql/core/src/main/scala/org/apache/spark/sql/functions.scala 46 additions, 413 deletionssql/core/src/main/scala/org/apache/spark/sql/functions.scala
- sql/core/src/test/scala/org/apache/spark/sql/DataFrameFunctionsSuite.scala 4 additions, 4 deletions.../scala/org/apache/spark/sql/DataFrameFunctionsSuite.scala
- sql/core/src/test/scala/org/apache/spark/sql/MathExpressionsSuite.scala 0 additions, 1 deletion...est/scala/org/apache/spark/sql/MathExpressionsSuite.scala
- sql/core/src/test/scala/org/apache/spark/sql/StringFunctionsSuite.scala 23 additions, 36 deletions...est/scala/org/apache/spark/sql/StringFunctionsSuite.scala
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