vibhatha commented on a change in pull request #12267:
URL: https://github.com/apache/arrow/pull/12267#discussion_r796268181
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File path: cpp/src/arrow/compute/exec/source_node.cc
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@@ -169,12 +172,83 @@ struct SourceNode : ExecNode {
AsyncGenerator<util::optional<ExecBatch>> generator_;
};
+struct TableSourceNode : public SourceNode {
+ TableSourceNode(ExecPlan* plan, std::shared_ptr<Schema> output_schema,
+ std::shared_ptr<Table> table, int64_t batch_size)
+ : SourceNode(plan, output_schema,
+
generator(ConvertTableToExecBatches(*table.get()).ValueOrDie())),
+ batch_size(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);
+ return plan->EmplaceNode<TableSourceNode>(plan,
table_options.table->schema(),
Review comment:
Added validation and a test case to verify it.
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