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[SPARK-26450][SQL] Avoid rebuilding map of schema for every column in projection #23392

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[SPARK-26450][SQL] Avoid rebuilding map of schema for every column in projection #23392

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6b66711
Initial commit
bersprockets Dec 12, 2018
a9dbbec
Initial try at helper function
bersprockets Dec 29, 2018
67a943a
Use helper function
bersprockets Dec 31, 2018
3362744
More uses of helper function
bersprockets Dec 31, 2018
306e0a5
Even more uses of helper function
bersprockets Dec 31, 2018
a25b59c
Some clean up
bersprockets Jan 2, 2019
b977d3e
Review feedback
bersprockets Jan 2, 2019
1497d3a
Fix style issue
bersprockets Jan 2, 2019
777c5b4
Move helper function to BindReferences
bersprockets Jan 4, 2019
fbd6787
Handle cases missed before
bersprockets Jan 4, 2019
686e7b5
Review feedback
bersprockets Jan 5, 2019
b1afb3a
Close gap in ExpandExec
bersprockets Jan 13, 2019
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Even more uses of helper function
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@bersprockets
bersprockets committed Dec 31, 2018
commit 306e0a5424f3bde6b9deadd292d85a4860e66b97
2 changes: 1 addition & 1 deletion ...n/scala/org/apache/spark/sql/catalyst/expressions/codegen/GenerateMutableProjection.scala
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Expand Up @@ -35,7 +35,7 @@ object GenerateMutableProjection extends CodeGenerator[Seq[Expression], MutableP
in.map(ExpressionCanonicalizer.execute)

protected def bind(in: Seq[Expression], inputSchema: Seq[Attribute]): Seq[Expression] =
in.map(BindReferences.bindReference(_, inputSchema))
toBoundExprs(in, inputSchema)

def generate(
expressions: Seq[Expression],
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2 changes: 1 addition & 1 deletion sql/core/src/main/scala/org/apache/spark/sql/execution/aggregate/HashAggregateExec.scala
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Expand Up @@ -849,7 +849,7 @@ case class HashAggregateExec(
if (isFastHashMapEnabled) {
if (isVectorizedHashMapEnabled) {
ctx.INPUT_ROW = fastRowBuffer
val boundUpdateExpr = updateExpr.map(BindReferences.bindReference(_, inputAttr))
val boundUpdateExpr = toBoundExprs(updateExpr, inputAttr)
val subExprs = ctx.subexpressionEliminationForWholeStageCodegen(boundUpdateExpr)
val effectiveCodes = subExprs.codes.mkString("\n")
val fastRowEvals = ctx.withSubExprEliminationExprs(subExprs.states) {
Expand Down