lide-reed commented on a change in pull request #925: Doris on ES by HTTP way URL: https://github.com/apache/incubator-doris/pull/925#discussion_r279175097
########## File path: be/src/exec/es/es_query_builder.cpp ########## @@ -0,0 +1,375 @@ +// 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 "exec/es/es_query_builder.h" + +#include <boost/algorithm/string/replace.hpp> +#include "rapidjson/rapidjson.h" +#include "rapidjson/stringbuffer.h" +#include "rapidjson/writer.h" +#include "common/logging.h" + +namespace doris { + +ESQueryBuilder::ESQueryBuilder(const std::string& es_query_str) : _es_query_str(es_query_str) { + +} +ESQueryBuilder::ESQueryBuilder(const ExtFunction& es_query) { + auto first = es_query.values.front(); + _es_query_str = first.to_string(); +} + +// note: call this function must invoke BooleanQueryBuilder::check_es_query to check validation +void ESQueryBuilder::to_json(rapidjson::Document* document, rapidjson::Value* query) { + rapidjson::Document scratch_document; + scratch_document.Parse(_es_query_str.c_str()); + rapidjson::Document::AllocatorType& allocator = document->GetAllocator(); + rapidjson::Value query_key; + rapidjson::Value query_value; + //{ "term": { "dv": "2" } } + rapidjson::Value::ConstMemberIterator first = scratch_document.MemberBegin(); + // deep copy, reference http://rapidjson.org/md_doc_tutorial.html#DeepCopyValue + query_key.CopyFrom(first->name, allocator); + // if we found one key, then end loop as QueryDSL only support one `query` root + query_value.CopyFrom(first->value, allocator); + // Move Semantics, reference http://rapidjson.org/md_doc_tutorial.html#MoveSemantics + query->AddMember(query_key, query_value, allocator); +} + +TermQueryBuilder::TermQueryBuilder(const std::string& field, const std::string& term) : _field(field), _term(term) { + +} + +TermQueryBuilder::TermQueryBuilder(const ExtBinaryPredicate& binary_predicate) { + _field = binary_predicate.col.name; + _term = binary_predicate.value.to_string(); +} + +void TermQueryBuilder::to_json(rapidjson::Document* document, rapidjson::Value* query) { + rapidjson::Document::AllocatorType& allocator = document->GetAllocator(); + rapidjson::Value term_node(rapidjson::kObjectType); + term_node.SetObject(); + rapidjson::Value field_value(_field.c_str(), allocator); + rapidjson::Value term_value(_term.c_str(), allocator); + term_node.AddMember(field_value, term_value, allocator); + query->AddMember("term", term_node, allocator); +} + +RangeQueryBuilder::RangeQueryBuilder(const ExtBinaryPredicate& range_predicate) { + _field = range_predicate.col.name; + _value = range_predicate.value.to_string(); + _op = range_predicate.op; +} + +void RangeQueryBuilder::to_json(rapidjson::Document* document, rapidjson::Value* query) { + rapidjson::Document::AllocatorType& allocator = document->GetAllocator(); + rapidjson::Value field_value(_field.c_str(), allocator); + rapidjson::Value value(_value.c_str(), allocator); + rapidjson::Value op_node(rapidjson::kObjectType); + op_node.SetObject(); + switch (_op) { + case TExprOpcode::LT: + op_node.AddMember("lt", value, allocator); + break; + case TExprOpcode::LE: + op_node.AddMember("le", value, allocator); + break; + case TExprOpcode::GT: + op_node.AddMember("gt", value, allocator); + break; + case TExprOpcode::GE: + op_node.AddMember("ge", value, allocator); + break; + default: + break; + } + rapidjson::Value field_node(rapidjson::kObjectType); + field_node.SetObject(); + field_node.AddMember(field_value, op_node, allocator); + query->AddMember("range", field_node, allocator); +} + +void WildCardQueryBuilder::to_json(rapidjson::Document* document, rapidjson::Value* query) { + rapidjson::Document::AllocatorType& allocator = document->GetAllocator(); + rapidjson::Value term_node(rapidjson::kObjectType); + term_node.SetObject(); + rapidjson::Value field_value(_field.c_str(), allocator); + rapidjson::Value term_value(_like_value.c_str(), allocator); + term_node.AddMember(field_value, term_value, allocator); + query->AddMember("wildcard", term_node, allocator); +} +WildCardQueryBuilder::WildCardQueryBuilder(const ExtLikePredicate& like_predicate) { + _like_value = like_predicate.value.to_string(); + std::replace(_like_value.begin(), _like_value.end(), '_', '?'); + std::replace(_like_value.begin(), _like_value.end(), '%', '*'); + _field = like_predicate.col.name; +} + +void TermsInSetQueryBuilder::to_json(rapidjson::Document* document, rapidjson::Value* query) { + rapidjson::Document::AllocatorType& allocator = document->GetAllocator(); + rapidjson::Value terms_node(rapidjson::kObjectType); + rapidjson::Value values_node(rapidjson::kArrayType); + for (auto value : _values) { + rapidjson::Value value_value(value.c_str(), allocator); + values_node.PushBack(value_value, allocator); + } + rapidjson::Value field_value(_field.c_str(), allocator); + terms_node.AddMember(field_value, values_node, allocator); + query->AddMember("terms", terms_node, allocator); +} + +TermsInSetQueryBuilder::TermsInSetQueryBuilder(const ExtInPredicate& in_predicate) { + _field = in_predicate.col.name; + for (auto value : in_predicate.values) { Review comment: Done ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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