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[SPARK-9303] Decimal should use java.math.Decimal directly instead of using Scala wrapper #8018

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[SPARK-9303] Decimal should use java.math.Decimal directly instead of using Scala wrapper #8018

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d7a3535
[SPARK-9303] Decimal should use java.math.Decimal directly instead of…
JoshRosen Jul 24, 2015
de55951
fix tests
Aug 7, 2015
8eee859
clean up
Aug 7, 2015
7b70c28
fix build
Aug 7, 2015
c861001
fix test
Aug 7, 2015
571a8a3
Merge branch 'master' of github.com:apache/spark into remove_scala_bi…
Aug 8, 2015
56190ef
simplify Decimal
Aug 8, 2015
4c2752e
Merge branch 'master' of github.com:apache/spark into remove_scala_bi…
Aug 10, 2015
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10 changes: 5 additions & 5 deletions sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -190,7 +190,7 @@ case class Cast(child: Expression, dataType: DataType)
}

private[this] def decimalToTimestamp(d: Decimal): Long = {
(d.toBigDecimal * 1000000L).longValue()
d.toJavaBigDecimal.multiply(java.math.BigDecimal.valueOf(1000000L)).longValue()
}
private[this] def doubleToTimestamp(d: Double): Any = {
if (d.isNaN || d.isInfinite) null else (d * 1000000L).toLong
Expand Down Expand Up @@ -554,10 +554,10 @@ case class Cast(child: Expression, dataType: DataType)
(c, evPrim, evNull) =>
s"""
Decimal tmpDecimal = Decimal.apply(
scala.math.BigDecimal.valueOf(${timestampToDoubleCode(c)}));
java.math.BigDecimal.valueOf(${timestampToDoubleCode(c)}));
${changePrecision("tmpDecimal", target, evPrim, evNull)}
"""
case DecimalType() =>
case dt: DecimalType =>
(c, evPrim, evNull) =>
s"""
Decimal tmpDecimal = $c.clone();
Expand All @@ -574,7 +574,7 @@ case class Cast(child: Expression, dataType: DataType)
(c, evPrim, evNull) =>
s"""
try {
Decimal tmpDecimal = Decimal.apply(scala.math.BigDecimal.valueOf((double) $c));
Decimal tmpDecimal = Decimal.apply(java.math.BigDecimal.valueOf((double) $c));
${changePrecision("tmpDecimal", target, evPrim, evNull)}
} catch (java.lang.NumberFormatException e) {
$evNull = true;
Expand Down Expand Up @@ -634,7 +634,7 @@ case class Cast(child: Expression, dataType: DataType)
}

private[this] def decimalToTimestampCode(d: String): String =
s"($d.toBigDecimal().bigDecimal().multiply(new java.math.BigDecimal(1000000L))).longValue()"
s"($d.toJavaBigDecimal().multiply(new java.math.BigDecimal(1000000L))).longValue()"
private[this] def longToTimeStampCode(l: String): String = s"$l * 1000L"
private[this] def timestampToIntegerCode(ts: String): String =
s"java.lang.Math.floor((double) $ts / 1000000L)"
Expand Down
2 changes: 1 addition & 1 deletion sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/arithmetic.scala
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Expand Up @@ -450,7 +450,7 @@ case class Pmod(left: Expression, right: Expression) extends BinaryArithmetic {
val decimalAdd = "$plus"
s"""
${ctx.javaType(dataType)} r = $eval1.remainder($eval2);
if (r.compare(new org.apache.spark.sql.types.Decimal().set(0)) < 0) {
if (r.compare(Decimal.ZERO()) < 0) {
${ev.primitive} = (r.$decimalAdd($eval2)).remainder($eval2);
} else {
${ev.primitive} = r;
Expand Down
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