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[SPARK-20749][SQL][FOLLOWUP] Support character_length #18330

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[SPARK-20749][SQL][FOLLOWUP] Support character_length #18330

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2fbf9e2
Add alias character_length.
wangyum Jun 16, 2017
9bb23e5
Merge branch 'master' into SPARK-20749-character_length
wangyum Jun 17, 2017
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1 change: 1 addition & 0 deletions sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/FunctionRegistry.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -307,6 +307,7 @@ object FunctionRegistry {
expression[Base64]("base64"),
expression[BitLength]("bit_length"),
expression[Length]("char_length"),
expression[Length]("character_length"),
expression[Concat]("concat"),
expression[ConcatWs]("concat_ws"),
expression[Decode]("decode"),
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4 changes: 4 additions & 0 deletions ...catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringExpressions.scala
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Expand Up @@ -1209,6 +1209,10 @@ case class Substring(str: Expression, pos: Expression, len: Expression)
Examples:
> SELECT _FUNC_('Spark SQL');
9
> SELECT CHAR_LENGTH('Spark SQL');
9
> SELECT CHARACTER_LENGTH('Spark SQL');
9
""")
// scalastyle:on line.size.limit
case class Length(child: Expression) extends UnaryExpression with ImplicitCastInputTypes {
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1 change: 1 addition & 0 deletions sql/core/src/test/resources/sql-tests/inputs/operators.sql
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Expand Up @@ -84,6 +84,7 @@ select mod(7, 2), mod(7, 0), mod(0, 2), mod(7, null), mod(null, 2), mod(null, nu
-- length
select BIT_LENGTH('abc');
select CHAR_LENGTH('abc');
select CHARACTER_LENGTH('abc');
select OCTET_LENGTH('abc');

-- abs
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18 changes: 13 additions & 5 deletions sql/core/src/test/resources/sql-tests/results/operators.sql.out
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@@ -1,5 +1,5 @@
-- Automatically generated by SQLQueryTestSuite
-- Number of queries: 55
-- Number of queries: 56


-- !query 0
Expand Down Expand Up @@ -439,16 +439,24 @@ struct<length(abc):int>


-- !query 53
select OCTET_LENGTH('abc')
select CHARACTER_LENGTH('abc')
-- !query 53 schema
struct<octetlength(abc):int>
struct<length(abc):int>
-- !query 53 output
3


-- !query 54
select abs(-3.13), abs('-2.19')
select OCTET_LENGTH('abc')
-- !query 54 schema
struct<abs(-3.13):decimal(3,2),abs(CAST(-2.19 AS DOUBLE)):double>
struct<octetlength(abc):int>
-- !query 54 output
3


-- !query 55
select abs(-3.13), abs('-2.19')
-- !query 55 schema
struct<abs(-3.13):decimal(3,2),abs(CAST(-2.19 AS DOUBLE)):double>
-- !query 55 output
3.13 2.19