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[SPARK-26979][SQL] Add missing column name support for SQL functions #23879

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asmello wants to merge 2 commits into from
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[SPARK-26979][SQL] Add missing column name support for SQL functions #23879

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8472392
Add missing column name support for SQL functions
amello-palantir Feb 23, 2019
0cdceff
fix small copy-paste mistake
amello-palantir Feb 23, 2019
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32 changes: 32 additions & 0 deletions sql/core/src/main/scala/org/apache/spark/sql/functions.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -1272,6 +1272,14 @@ object functions {
*/
def bitwiseNOT(e: Column): Column = withExpr { BitwiseNot(e.expr) }

/**
* Computes bitwise NOT (~) of a number.
*
* @group normal_funcs
* @since 1.4.0
*/
def bitwiseNOT(columnName: String): Column = bitwiseNOT(Column(columnName))

/**
* Parses the expression string into the column that it represents, similar to
* [[Dataset#selectExpr]].
Expand Down Expand Up @@ -1301,6 +1309,14 @@ object functions {
*/
def abs(e: Column): Column = withExpr { Abs(e.expr) }

/**
* Computes the absolute value of a numeric value.
*
* @group math_funcs
* @since 1.3.0
*/
def abs(columnName: String): Column = abs(Column(columnName))

/**
* @return inverse cosine of `e` in radians, as if computed by `java.lang.Math.acos`
*
Expand Down Expand Up @@ -2293,6 +2309,14 @@ object functions {
*/
def lower(e: Column): Column = withExpr { Lower(e.expr) }

/**
* Converts a string column to lower case.
*
* @group string_funcs
* @since 1.3.0
*/
def lower(columnName: String): Column = lower(Column(columnName))

/**
* Computes the Levenshtein distance of the two given string columns.
* @group string_funcs
Expand Down Expand Up @@ -2540,6 +2564,14 @@ object functions {
*/
def upper(e: Column): Column = withExpr { Upper(e.expr) }

/**
* Converts a string column to upper case.
*
* @group string_funcs
* @since 1.3.0
*/
def upper(columnName: String): Column = upper(Column(columnName))

//////////////////////////////////////////////////////////////////////////////////////////////
// DateTime functions
//////////////////////////////////////////////////////////////////////////////////////////////
Expand Down