62e3bd338e
In current implementation, we detect invalid slot at execute phase. At execute phase, it is hard to get useful information for further debug. This pr moves error detection ahead to prepare phase, so that we can log related tuple descriptors.
76 lines
2.7 KiB
C++
76 lines
2.7 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_id = desc.get_column_id(_slot_id);
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if (_column_id < 0) {
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LOG(INFO) << "VSlotRef - invalid slot id: " << _slot_id << " desc:" << desc.debug_string();
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return Status::InternalError("VSlotRef - invalid slot id {}", _slot_id);
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}
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_column_name = &slot_desc->col_name();
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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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