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| // Copyright 2021-present StarRocks, Inc. All rights reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // https://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| #include "exec/pipeline/scan/schema_scan_operator.h" | ||
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| #include <utility> | ||
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| #include "exec/pipeline/pipeline_builder.h" | ||
| #include "exec/pipeline/scan/balanced_chunk_buffer.h" | ||
| #include "exec/pipeline/scan/scan_operator.h" | ||
| #include "exec/pipeline/scan/schema_chunk_source.h" | ||
| #include "gen_cpp/Types_types.h" | ||
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| namespace starrocks::pipeline { | ||
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| SchemaScanOperatorFactory::SchemaScanOperatorFactory(int32_t id, ScanNode* schema_scan_node, size_t dop, | ||
| const TPlanNode& t_node, ChunkBufferLimiterPtr buffer_limiter) | ||
| : ScanOperatorFactory(id, schema_scan_node), | ||
| _chunk_buffer(BalanceStrategy::kDirect, dop, std::move(buffer_limiter)) { | ||
| _ctx = std::make_shared<SchemaScanContext>(t_node, _chunk_buffer); | ||
| } | ||
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| Status SchemaScanOperatorFactory::do_prepare(RuntimeState* state) { | ||
| return _ctx->prepare(state); | ||
| } | ||
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| void SchemaScanOperatorFactory::do_close(RuntimeState* state) {} | ||
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| OperatorPtr SchemaScanOperatorFactory::do_create(int32_t dop, int32_t driver_sequence) { | ||
| return std::make_shared<SchemaScanOperator>(this, _id, driver_sequence, dop, _scan_node, _ctx); | ||
| } | ||
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| SchemaScanOperator::SchemaScanOperator(OperatorFactory* factory, int32_t id, int32_t driver_sequence, int32_t dop, | ||
| ScanNode* scan_node, SchemaScanContextPtr ctx) | ||
| : ScanOperator(factory, id, driver_sequence, dop, scan_node), _ctx(std::move(ctx)) {} | ||
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| SchemaScanOperator::~SchemaScanOperator() = default; | ||
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| Status SchemaScanOperator::do_prepare(RuntimeState* state) { | ||
| return Status::OK(); | ||
| } | ||
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| void SchemaScanOperator::do_close(RuntimeState* state) {} | ||
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| ChunkSourcePtr SchemaScanOperator::create_chunk_source(MorselPtr morsel, int32_t chunk_source_index) { | ||
| return std::make_shared<SchemaChunkSource>(this, _chunk_source_profiles[chunk_source_index].get(), | ||
| std::move(morsel), _ctx); | ||
| } | ||
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| ChunkPtr SchemaScanOperator::get_chunk_from_buffer() { | ||
| ChunkPtr chunk = nullptr; | ||
| if (_ctx->get_chunk_buffer().try_get(_driver_sequence, &chunk)) { | ||
| return chunk; | ||
| } | ||
| return nullptr; | ||
| } | ||
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| size_t SchemaScanOperator::num_buffered_chunks() const { | ||
| return _ctx->get_chunk_buffer().size(_driver_sequence); | ||
| } | ||
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| size_t SchemaScanOperator::buffer_size() const { | ||
| return _ctx->get_chunk_buffer().limiter()->size(); | ||
| } | ||
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| size_t SchemaScanOperator::buffer_capacity() const { | ||
| return _ctx->get_chunk_buffer().limiter()->capacity(); | ||
| } | ||
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| size_t SchemaScanOperator::default_buffer_capacity() const { | ||
| return _ctx->get_chunk_buffer().limiter()->default_capacity(); | ||
| } | ||
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| ChunkBufferTokenPtr SchemaScanOperator::pin_chunk(int num_chunks) { | ||
| return _ctx->get_chunk_buffer().limiter()->pin(num_chunks); | ||
| } | ||
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| bool SchemaScanOperator::is_buffer_full() const { | ||
| return _ctx->get_chunk_buffer().limiter()->is_full(); | ||
| } | ||
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| void SchemaScanOperator::set_buffer_finished() { | ||
| _ctx->get_chunk_buffer().set_finished(_driver_sequence); | ||
| } | ||
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| } // namespace starrocks::pipeline |
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