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[Improvement](topn) runtime prune for topn query (apache#15558)
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| Original file line number | Diff line number | Diff line change |
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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. | ||
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| #include "runtime/runtime_predicate.h" | ||
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| #include "olap/predicate_creator.h" | ||
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| namespace doris { | ||
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| namespace vectorized { | ||
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| Status RuntimePredicate::init(const PrimitiveType type) { | ||
| std::unique_lock<std::shared_mutex> wlock(_rwlock); | ||
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| if (_inited) { | ||
| return Status::OK(); | ||
| } | ||
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| _predicate_mem_pool.reset(new MemPool()); | ||
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| // set get value function | ||
| switch (type) { | ||
| case PrimitiveType::TYPE_BOOLEAN: { | ||
| _get_value_fn = get_bool_value; | ||
| break; | ||
| } | ||
| case PrimitiveType::TYPE_TINYINT: { | ||
| _get_value_fn = get_tinyint_value; | ||
| break; | ||
| } | ||
| case PrimitiveType::TYPE_SMALLINT: { | ||
| _get_value_fn = get_smallint_value; | ||
| break; | ||
| } | ||
| case PrimitiveType::TYPE_INT: { | ||
| _get_value_fn = get_int_value; | ||
| break; | ||
| } | ||
| case PrimitiveType::TYPE_BIGINT: { | ||
| _get_value_fn = get_bigint_value; | ||
| break; | ||
| } | ||
| case PrimitiveType::TYPE_LARGEINT: { | ||
| _get_value_fn = get_largeint_value; | ||
| break; | ||
| } | ||
| case PrimitiveType::TYPE_FLOAT: { | ||
| _get_value_fn = get_float_value; | ||
| break; | ||
| } | ||
| case PrimitiveType::TYPE_DOUBLE: { | ||
| _get_value_fn = get_double_value; | ||
| break; | ||
| } | ||
| case PrimitiveType::TYPE_STRING: { | ||
| _get_value_fn = get_string_value; | ||
| break; | ||
| } | ||
| case PrimitiveType::TYPE_DATEV2: { | ||
| _get_value_fn = get_datev2_value; | ||
| break; | ||
| } | ||
| case PrimitiveType::TYPE_DATETIMEV2: { | ||
| _get_value_fn = get_datetimev2_value; | ||
| break; | ||
| } | ||
| case PrimitiveType::TYPE_DATE: { | ||
| _get_value_fn = get_date_value; | ||
| break; | ||
| } | ||
| case PrimitiveType::TYPE_DATETIME: { | ||
| _get_value_fn = get_datetime_value; | ||
| break; | ||
| } | ||
| case PrimitiveType::TYPE_DECIMAL32: { | ||
| _get_value_fn = get_decimal32_value; | ||
| break; | ||
| } | ||
| case PrimitiveType::TYPE_DECIMAL64: { | ||
| _get_value_fn = get_decimal64_value; | ||
| break; | ||
| } | ||
| case PrimitiveType::TYPE_DECIMALV2: { | ||
| _get_value_fn = get_decimalv2_value; | ||
| break; | ||
| } | ||
| case PrimitiveType::TYPE_DECIMAL128I: { | ||
| _get_value_fn = get_decimal128_value; | ||
| break; | ||
| } | ||
| default: | ||
| return Status::InvalidArgument("unsupported runtime predicate type {}", type); | ||
| } | ||
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| _inited = true; | ||
| return Status::OK(); | ||
| } | ||
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| Status RuntimePredicate::update(const Field& value, const String& col_name, bool is_reverse) { | ||
| std::unique_lock<std::shared_mutex> wlock(_rwlock); | ||
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| bool updated = false; | ||
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| if (UNLIKELY(_orderby_extrem.is_null())) { | ||
| _orderby_extrem = value; | ||
| updated = true; | ||
| } else if (is_reverse) { | ||
| if (value > _orderby_extrem) { | ||
| _orderby_extrem = value; | ||
| updated = true; | ||
| } | ||
| } else { | ||
| if (value < _orderby_extrem) { | ||
| _orderby_extrem = value; | ||
| updated = true; | ||
| } | ||
| } | ||
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| if (!updated) { | ||
| return Status::OK(); | ||
| } | ||
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| TCondition condition; | ||
| condition.__set_column_name(col_name); | ||
| condition.__set_column_unique_id(_tablet_schema->column(col_name).unique_id()); | ||
| condition.__set_condition_op(is_reverse ? ">=" : "<="); | ||
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| // get value string from _orderby_extrem and push back to condition_values | ||
| condition.condition_values.push_back(_get_value_fn(_orderby_extrem)); | ||
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| // update _predictate | ||
| _predictate.reset( | ||
| parse_to_predicate(_tablet_schema, condition, _predicate_mem_pool.get(), false)); | ||
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| return Status::OK(); | ||
| } | ||
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| } // namespace vectorized | ||
| } // namespace doris |
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