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187 lines (154 loc) · 6.59 KB
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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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
//
// http://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.
#include "vec/exprs/vin_predicate.h"
#include <fmt/format.h>
#include <gen_cpp/Exprs_types.h>
#include <glog/logging.h>
#include <algorithm>
#include <cstddef>
#include <ostream>
#include "common/status.h"
#include "runtime/runtime_state.h"
#include "vec/core/block.h"
#include "vec/core/column_numbers.h"
#include "vec/core/column_with_type_and_name.h"
#include "vec/core/columns_with_type_and_name.h"
#include "vec/exprs/vexpr_context.h"
#include "vec/exprs/vliteral.h"
#include "vec/exprs/vslot_ref.h"
#include "vec/functions/simple_function_factory.h"
namespace doris {
class RowDescriptor;
class RuntimeState;
} // namespace doris
namespace doris::vectorized {
#include "common/compile_check_begin.h"
VInPredicate::VInPredicate(const TExprNode& node)
: VExpr(node), _is_not_in(node.in_predicate.is_not_in) {}
Status VInPredicate::prepare(RuntimeState* state, const RowDescriptor& desc,
VExprContext* context) {
RETURN_IF_ERROR_OR_PREPARED(VExpr::prepare(state, desc, context));
if (_children.empty()) {
return Status::InternalError("no Function operator in.");
}
_expr_name =
fmt::format("({} {} set)", _children[0]->expr_name(), _is_not_in ? "not_in" : "in");
ColumnsWithTypeAndName argument_template;
argument_template.reserve(get_num_children());
for (auto child : _children) {
argument_template.emplace_back(nullptr, child->data_type(), child->expr_name());
}
// construct the proper function_name
std::string head(_is_not_in ? "not_" : "");
std::string real_function_name = head + std::string(function_name);
auto arg_type = remove_nullable(argument_template[0].type);
if (is_complex_type(arg_type->get_primitive_type())) {
real_function_name = "collection_" + real_function_name;
}
_function = SimpleFunctionFactory::instance().get_function(
real_function_name, argument_template, _data_type,
{.enable_decimal256 = state->enable_decimal256()});
if (_function == nullptr) {
return Status::NotSupported("Function {} is not implemented", real_function_name);
}
VExpr::register_function_context(state, context);
_prepare_finished = true;
if (state->query_options().__isset.in_list_value_count_threshold) {
_in_list_value_count_threshold = state->query_options().in_list_value_count_threshold;
}
return Status::OK();
}
Status VInPredicate::open(RuntimeState* state, VExprContext* context,
FunctionContext::FunctionStateScope scope) {
DCHECK(_prepare_finished);
for (auto& child : _children) {
RETURN_IF_ERROR(child->open(state, context, scope));
}
RETURN_IF_ERROR(VExpr::init_function_context(state, context, scope, _function));
if (scope == FunctionContext::FRAGMENT_LOCAL) {
RETURN_IF_ERROR(VExpr::get_const_col(context, nullptr));
}
_is_args_all_constant = std::all_of(_children.begin() + 1, _children.end(),
[](const VExprSPtr& expr) { return expr->is_constant(); });
_open_finished = true;
return Status::OK();
}
void VInPredicate::close(VExprContext* context, FunctionContext::FunctionStateScope scope) {
VExpr::close_function_context(context, scope, _function);
VExpr::close(context, scope);
}
Status VInPredicate::evaluate_inverted_index(VExprContext* context, uint32_t segment_num_rows) {
DCHECK_GE(get_num_children(), 2);
return _evaluate_inverted_index(context, _function, segment_num_rows);
}
Status VInPredicate::execute(VExprContext* context, Block* block, int* result_column_id) {
if (is_const_and_have_executed()) { // const have execute in open function
return get_result_from_const(block, _expr_name, result_column_id);
}
if (fast_execute(context, block, result_column_id)) {
return Status::OK();
}
DCHECK(_open_finished || _getting_const_col);
// This is an optimization. For expressions like colA IN (1, 2, 3, 4),
// where all values inside the IN clause are constants,
// a hash set is created during open, and it will not be accessed again during execute
// Here, _children[0] is colA
const size_t args_size = _is_args_all_constant ? 1 : _children.size();
doris::vectorized::ColumnNumbers arguments(args_size);
for (int i = 0; i < args_size; ++i) {
int column_id = -1;
RETURN_IF_ERROR(_children[i]->execute(context, block, &column_id));
arguments[i] = column_id;
}
// call function
uint32_t num_columns_without_result = block->columns();
// prepare a column to save result
block->insert({nullptr, _data_type, _expr_name});
RETURN_IF_ERROR(_function->execute(context->fn_context(_fn_context_index), *block, arguments,
num_columns_without_result, block->rows(), false));
*result_column_id = num_columns_without_result;
return Status::OK();
}
size_t VInPredicate::estimate_memory(const size_t rows) {
if (is_const_and_have_executed()) {
return 0;
}
size_t estimate_size = 0;
for (int i = 0; i < _children.size(); ++i) {
estimate_size += _children[i]->estimate_memory(rows);
}
if (_data_type->is_nullable()) {
estimate_size += rows * sizeof(uint8_t);
}
estimate_size += rows * sizeof(uint8_t);
return estimate_size;
}
const std::string& VInPredicate::expr_name() const {
return _expr_name;
}
std::string VInPredicate::debug_string() const {
std::stringstream out;
out << "InPredicate(" << children()[0]->debug_string() << " " << _is_not_in << ",[";
int num_children = get_num_children();
for (int i = 1; i < num_children; ++i) {
out << (i == 1 ? "" : " ") << children()[i]->debug_string();
}
out << "])";
return out.str();
}
#include "common/compile_check_end.h"
} // namespace doris::vectorized