82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
// 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/table_function/vexplode_bitmap.h"
|
|
|
|
#include "util/bitmap_value.h"
|
|
#include "vec/exprs/vexpr.h"
|
|
|
|
namespace doris::vectorized {
|
|
|
|
VExplodeBitmapTableFunction::VExplodeBitmapTableFunction() {
|
|
_fn_name = "vexplode_bitmap";
|
|
}
|
|
|
|
Status VExplodeBitmapTableFunction::process_init(vectorized::Block* block) {
|
|
CHECK(_vexpr_context->root()->children().size() == 1)
|
|
<< "VExplodeNumbersTableFunction must be have 1 children but have "
|
|
<< _vexpr_context->root()->children().size();
|
|
|
|
int value_column_idx = -1;
|
|
_vexpr_context->root()->children()[0]->execute(_vexpr_context, block, &value_column_idx);
|
|
_value_column = block->get_by_position(value_column_idx).column;
|
|
|
|
return Status::OK();
|
|
}
|
|
|
|
Status VExplodeBitmapTableFunction::process_row(size_t row_idx) {
|
|
_eos = false;
|
|
_is_current_empty = false;
|
|
_cur_size = 0;
|
|
_cur_offset = 0;
|
|
|
|
StringRef value = _value_column->get_data_at(row_idx);
|
|
|
|
if (value.data == nullptr) {
|
|
_is_current_empty = true;
|
|
} else {
|
|
_cur_bitmap = reinterpret_cast<const BitmapValue*>(value.data);
|
|
_cur_bitmap_owned = false;
|
|
|
|
_cur_size = _cur_bitmap->cardinality();
|
|
if (_cur_size == 0) {
|
|
_is_current_empty = true;
|
|
} else {
|
|
_reset_iterator();
|
|
}
|
|
}
|
|
|
|
_is_current_empty = (_cur_size == 0);
|
|
return Status::OK();
|
|
}
|
|
|
|
Status VExplodeBitmapTableFunction::process_close() {
|
|
_value_column = nullptr;
|
|
return Status::OK();
|
|
}
|
|
|
|
Status VExplodeBitmapTableFunction::get_value_length(int64_t* length) {
|
|
if (_is_current_empty) {
|
|
*length = -1;
|
|
} else {
|
|
*length = sizeof(uint64_t);
|
|
}
|
|
return Status::OK();
|
|
}
|
|
|
|
} // namespace doris::vectorized
|