4eb2604789
1. fix function define of `Retention` inconsist, this function return tinyint on `FE` and return uint8 on `BE` 2. make assert_cast support cast to derived 3. change some static cast to assert cast 4. support sum(bool)/avg(bool)
111 lines
4.0 KiB
C++
111 lines
4.0 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/table_function/vexplode_numbers.h"
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#include <glog/logging.h>
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#include <ostream>
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#include <vector>
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#include "common/status.h"
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#include "vec/columns/column.h"
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#include "vec/columns/column_const.h"
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#include "vec/columns/column_nullable.h"
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#include "vec/columns/columns_number.h"
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#include "vec/common/assert_cast.h"
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#include "vec/common/string_ref.h"
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#include "vec/core/block.h"
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#include "vec/core/column_with_type_and_name.h"
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#include "vec/exprs/vexpr.h"
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#include "vec/exprs/vexpr_context.h"
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namespace doris::vectorized {
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VExplodeNumbersTableFunction::VExplodeNumbersTableFunction() {
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_fn_name = "vexplode_numbers";
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}
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Status VExplodeNumbersTableFunction::process_init(Block* block) {
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CHECK(_vexpr_context->root()->children().size() == 1)
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<< "VExplodeSplitTableFunction must be have 1 children but have "
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<< _vexpr_context->root()->children().size();
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int value_column_idx = -1;
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RETURN_IF_ERROR(_vexpr_context->root()->children()[0]->execute(_vexpr_context, block,
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&value_column_idx));
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_value_column = block->get_by_position(value_column_idx).column;
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if (is_column_const(*_value_column)) {
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_cur_size = 0;
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auto& column_nested = assert_cast<const ColumnConst&>(*_value_column).get_data_column_ptr();
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if (column_nested->is_nullable()) {
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if (!column_nested->is_null_at(0)) {
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_cur_size = assert_cast<const ColumnNullable*>(column_nested.get())
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->get_nested_column()
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.get_int(0);
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}
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} else {
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_cur_size = column_nested->get_int(0);
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}
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if (_cur_size && _cur_size <= block->rows()) { // avoid elements_column too big or empty
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_is_const = true; // use const optimize
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for (int i = 0; i < _cur_size; i++) {
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((ColumnInt32*)_elements_column.get())->insert_value(i);
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}
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}
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}
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return Status::OK();
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}
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Status VExplodeNumbersTableFunction::process_row(size_t row_idx) {
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RETURN_IF_ERROR(TableFunction::process_row(row_idx));
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if (_is_const) {
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return Status::OK();
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}
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StringRef value = _value_column->get_data_at(row_idx);
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if (value.data != nullptr) {
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_cur_size = std::max(0, *reinterpret_cast<const int*>(value.data));
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}
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return Status::OK();
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}
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Status VExplodeNumbersTableFunction::process_close() {
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_value_column = nullptr;
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return Status::OK();
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}
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void VExplodeNumbersTableFunction::get_value(MutableColumnPtr& column) {
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if (current_empty()) {
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column->insert_default();
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} else {
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if (_is_nullable) {
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assert_cast<ColumnInt32*>(
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assert_cast<ColumnNullable*>(column.get())->get_nested_column_ptr().get())
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->insert_value(_cur_offset);
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assert_cast<ColumnUInt8*>(
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assert_cast<ColumnNullable*>(column.get())->get_null_map_column_ptr().get())
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->insert_default();
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} else {
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assert_cast<ColumnInt32*>(column.get())->insert_value(_cur_offset);
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}
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}
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}
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} // namespace doris::vectorized
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