sathiyapk commented on a change in pull request #34729:
URL: https://github.com/apache/spark/pull/34729#discussion_r808321221
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/mathExpressions.scala
##########
@@ -1426,12 +1526,21 @@ abstract class RoundBase(child: Expression, scale:
Expression,
val ce = child.genCode(ctx)
val evaluationCode = dataType match {
- case DecimalType.Fixed(_, s) =>
- s"""
- |${ev.value} = ${ce.value}.toPrecision(${ce.value}.precision(), $s,
- | Decimal.$modeStr(), true);
- |${ev.isNull} = ${ev.value} == null;
- """.stripMargin
+ case DecimalType.Fixed(p, s) =>
+ if (_scale >= 0) {
+ s"""
+ ${ev.value} = ${ce.value}.toPrecision(${ce.value}.precision(), $s,
+ Decimal.$modeStr(), true);
+ ${ev.isNull} = ${ev.value} == null;"""
+ } else {
+ s"""
+ ${ev.value} = ${ce.value}.toPrecision(${ce.value}.precision(), $s,
+ Decimal.$modeStr(), true);
+ ${ev.isNull} = ${ev.value} == null;"""
+// s"""
+// ${ev.value} = new java.math.BigDecimal(${ce.value}).
+// setScale(${_scale}, java.math.BigDecimal.${modeStr});"""
Review comment:
@cloud-fan sorry, it doesn't work. I still get a similar error.
org.codehaus.commons.compiler.CompileException: File 'generated.java', Line
55, Column 11: **No applicable constructor/method found for actual parameters
"java.math.BigDecimal"; candidates are: "org.apache.spark.sql.types.Decimal()"**
Here is the code:
```
val evaluationCode = dataType match {
case DecimalType.Fixed(p, s) =>
if (_scale >= 0) {
s"""
${ev.value} = ${ce.value}.toPrecision(${ce.value}.precision(),
$s,
Decimal.$modeStr(), true);
${ev.isNull} = ${ev.value} == null;"""
} else {
s"""
${ev.value} = new Decimal(new java.math.BigDecimal(${ce.value}).
setScale(${_scale}, java.math.BigDecimal.${modeStr}));"""
}
```
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