[GitHub] [spark] gengliangwang commented on a diff in pull request #36525: [SPARK-39166] Provide runtime error query context for binary arithmetic when WSCG is off

2022-05-12 Thread GitBox


gengliangwang commented on code in PR #36525:
URL: https://github.com/apache/spark/pull/36525#discussion_r871525344


##
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/arithmetic.scala:
##
@@ -418,9 +428,11 @@ case class Multiply(
 
   protected override def nullSafeEval(input1: Any, input2: Any): Any = 
dataType match {
 case _: IntegerType if failOnError =>
-  MathUtils.multiplyExact(input1.asInstanceOf[Int], 
input2.asInstanceOf[Int], origin.context)
+  MathUtils.multiplyExact(input1.asInstanceOf[Int], 
input2.asInstanceOf[Int],
+queryContext)

Review Comment:
   ```suggestion
 MathUtils.multiplyExact(input1.asInstanceOf[Int], 
input2.asInstanceOf[Int], queryContext)
   ```



##
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/arithmetic.scala:
##
@@ -418,9 +428,11 @@ case class Multiply(
 
   protected override def nullSafeEval(input1: Any, input2: Any): Any = 
dataType match {
 case _: IntegerType if failOnError =>
-  MathUtils.multiplyExact(input1.asInstanceOf[Int], 
input2.asInstanceOf[Int], origin.context)
+  MathUtils.multiplyExact(input1.asInstanceOf[Int], 
input2.asInstanceOf[Int],
+queryContext)
 case _: LongType if failOnError =>
-  MathUtils.multiplyExact(input1.asInstanceOf[Long], 
input2.asInstanceOf[Long], origin.context)
+  MathUtils.multiplyExact(input1.asInstanceOf[Long], 
input2.asInstanceOf[Long],
+queryContext)

Review Comment:
   ```suggestion
 MathUtils.multiplyExact(input1.asInstanceOf[Long], 
input2.asInstanceOf[Long], queryContext)
   ```



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[GitHub] [spark] gengliangwang commented on a diff in pull request #36525: [SPARK-39166] Provide runtime error query context for binary arithmetic when WSCG is off

2022-05-12 Thread GitBox


gengliangwang commented on code in PR #36525:
URL: https://github.com/apache/spark/pull/36525#discussion_r871524691


##
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/arithmetic.scala:
##
@@ -381,9 +389,11 @@ case class Subtract(
 case _: YearMonthIntervalType =>
   MathUtils.subtractExact(input1.asInstanceOf[Int], 
input2.asInstanceOf[Int])
 case _: IntegerType if failOnError =>
-  MathUtils.subtractExact(input1.asInstanceOf[Int], 
input2.asInstanceOf[Int], origin.context)
+  MathUtils.subtractExact(input1.asInstanceOf[Int], 
input2.asInstanceOf[Int],
+queryContext)
 case _: LongType if failOnError =>
-  MathUtils.subtractExact(input1.asInstanceOf[Long], 
input2.asInstanceOf[Long], origin.context)
+  MathUtils.subtractExact(input1.asInstanceOf[Long], 
input2.asInstanceOf[Long],
+queryContext)

Review Comment:
   ```suggestion
 MathUtils.subtractExact(input1.asInstanceOf[Long], 
input2.asInstanceOf[Long], queryContext)
   ```



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[GitHub] [spark] gengliangwang commented on a diff in pull request #36525: [SPARK-39166] Provide runtime error query context for binary arithmetic when WSCG is off

2022-05-12 Thread GitBox


gengliangwang commented on code in PR #36525:
URL: https://github.com/apache/spark/pull/36525#discussion_r871524308


##
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/arithmetic.scala:
##
@@ -381,9 +389,11 @@ case class Subtract(
 case _: YearMonthIntervalType =>
   MathUtils.subtractExact(input1.asInstanceOf[Int], 
input2.asInstanceOf[Int])
 case _: IntegerType if failOnError =>
-  MathUtils.subtractExact(input1.asInstanceOf[Int], 
input2.asInstanceOf[Int], origin.context)
+  MathUtils.subtractExact(input1.asInstanceOf[Int], 
input2.asInstanceOf[Int],
+queryContext)

Review Comment:
   ```suggestion
 MathUtils.subtractExact(input1.asInstanceOf[Int], 
input2.asInstanceOf[Int], queryContext)
   ```



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[GitHub] [spark] gengliangwang commented on a diff in pull request #36525: [SPARK-39166] Provide runtime error query context for binary arithmetic when WSCG is off

2022-05-12 Thread GitBox


gengliangwang commented on code in PR #36525:
URL: https://github.com/apache/spark/pull/36525#discussion_r871497091


##
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Expression.scala:
##
@@ -588,6 +588,28 @@ abstract class UnaryExpression extends Expression with 
UnaryLike[Expression] {
   }
 }
 
+/**
+ * An expression with SQL query context. The context string can be serialized 
from the Driver
+ * to executors. It will also be kept after rule transforms.
+ */
+trait SupportQueryContext extends Expression with Serializable {
+  protected var queryContext: String = initQueryContext()
+
+  def initQueryContext(): String
+
+  // Note: Even though query contexts are serialized to executors, it will be 
regenerated from an
+  //   empty "Origin" during rule transforms since "Origin"s are not 
serialized to executors
+  //   for better performance. Thus, we need to copy the original query 
context during
+  //   transforms. The query context string is considered as a "tag" on 
the expression here.
+  override def copyTagsFrom(other: Expression): Unit = {

Review Comment:
   @cloud-fan If you find this weird, we can consider changing the method name 
as `copyTagsAndContextFrom`



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