83 lines
2.9 KiB
C++
83 lines
2.9 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#include "vec/exprs/vslot_ref.h"
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#include <fmt/format.h>
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#include "runtime/descriptors.h"
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namespace doris::vectorized {
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VSlotRef::VSlotRef(const doris::TExprNode& node)
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: VExpr(node), _slot_id(node.slot_ref.slot_id), _column_id(-1), _column_name(nullptr) {
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if (node.__isset.is_nullable) {
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_is_nullable = node.is_nullable;
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} else {
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_is_nullable = true;
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}
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}
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VSlotRef::VSlotRef(const SlotDescriptor* desc)
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: VExpr(desc->type(), true, desc->is_nullable()),
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_slot_id(desc->id()),
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_column_id(-1),
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_is_nullable(desc->is_nullable()),
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_column_name(nullptr) {}
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Status VSlotRef::prepare(doris::RuntimeState* state, const doris::RowDescriptor& desc,
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VExprContext* context) {
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RETURN_IF_ERROR_OR_PREPARED(VExpr::prepare(state, desc, context));
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DCHECK_EQ(_children.size(), 0);
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if (_slot_id == -1) {
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return Status::OK();
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}
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const SlotDescriptor* slot_desc = state->desc_tbl().get_slot_descriptor(_slot_id);
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if (slot_desc == nullptr) {
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return Status::InternalError("couldn't resolve slot descriptor {}", _slot_id);
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}
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_column_name = &slot_desc->col_name();
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if (!slot_desc->need_materialize()) {
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// slot should be ignored manually
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_column_id = -1;
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return Status::OK();
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}
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_column_id = desc.get_column_id(_slot_id);
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if (_column_id < 0) {
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return Status::InternalError(
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"VSlotRef have invalid slot id: {}, desc: {}, slot_desc: {}, desc_tbl: {}",
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*_column_name, _slot_id, desc.debug_string(), slot_desc->debug_string(),
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state->desc_tbl().debug_string());
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}
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return Status::OK();
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}
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Status VSlotRef::execute(VExprContext* context, Block* block, int* result_column_id) {
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*result_column_id = _column_id;
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return Status::OK();
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}
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const std::string& VSlotRef::expr_name() const {
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return *_column_name;
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}
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std::string VSlotRef::debug_string() const {
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std::stringstream out;
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out << "SlotRef(slot_id=" << _slot_id << VExpr::debug_string() << ")";
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return out.str();
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}
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} // namespace doris::vectorized
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