vibhatha commented on a change in pull request #12267:
URL: https://github.com/apache/arrow/pull/12267#discussion_r806541037
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File path: cpp/src/arrow/compute/exec/source_node.cc
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@@ -174,12 +177,82 @@ struct SourceNode : ExecNode {
AsyncGenerator<util::optional<ExecBatch>> generator_;
};
+struct TableSourceNode : public SourceNode {
+ TableSourceNode(ExecPlan* plan, std::shared_ptr<Table> table, int64_t
batch_size)
+ : SourceNode(plan, table->schema(), TableGenerator(*table.get(),
batch_size)) {}
+
+ static Result<ExecNode*> Make(ExecPlan* plan, std::vector<ExecNode*> inputs,
+ const ExecNodeOptions& options) {
+ RETURN_NOT_OK(ValidateExecNodeInputs(plan, inputs, 0, "TableSourceNode"));
+ const auto& table_options = checked_cast<const
TableSourceNodeOptions&>(options);
+ const auto table = table_options.table;
+ const int64_t batch_size = table_options.batch_size;
+
+ RETURN_NOT_OK(ValidateTableSourceNodeInpute(table, batch_size,
"TableSourceNode"));
+
+ return plan->EmplaceNode<TableSourceNode>(plan, table, batch_size);
+ }
+
+ const char* kind_name() const override { return "TableSourceNode"; }
+
+ static arrow::Status ValidateTableSourceNodeInpute(const
std::shared_ptr<Table> table,
Review comment:
👍
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