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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
*/
#include "presto_cpp/main/operators/BroadcastWrite.h"
#include "presto_cpp/main/operators/BroadcastFactory.h"
#include "velox/exec/OperatorUtils.h"

using namespace facebook::velox::exec;
using namespace facebook::velox;
Expand All @@ -23,22 +24,7 @@ velox::core::PlanNodeId deserializePlanNodeId(const folly::dynamic& obj) {
return obj["id"].asString();
}

// TODO: This is a copy from Exchange.cpp. We should refactor
// such that this method is globally accessible from a single location. This is
// to prevent diverges of serde options during write and read.
std::unique_ptr<VectorSerde::Options> getVectorSerdeOptions(
const core::QueryConfig& queryConfig,
VectorSerde::Kind kind) {
std::unique_ptr<VectorSerde::Options> options =
kind == VectorSerde::Kind::kPresto
? std::make_unique<serializer::presto::PrestoVectorSerde::PrestoOptions>()
: std::make_unique<VectorSerde::Options>();
options->compressionKind =
common::stringToCompressionKind(queryConfig.shuffleCompressionKind());
return options;
}

// BroadcastWriteOperator writes input RowVectors to specified file.
/// BroadcastWriteOperator writes input RowVectors to specified file.
class BroadcastWriteOperator : public Operator {
public:
BroadcastWriteOperator(
Expand All @@ -60,7 +46,10 @@ class BroadcastWriteOperator : public Operator {
fileBroadcastWriter_ = fileBroadcast.createWriter(
8 << 20,
operatorCtx_->pool(),
getVectorSerdeOptions(ctx->queryConfig(), VectorSerde::Kind::kPresto));
getVectorSerdeOptions(
common::stringToCompressionKind(
ctx->queryConfig().shuffleCompressionKind()),
VectorSerde::Kind::kPresto));
}

bool needsInput() const override {
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