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_r278026940
########## File path: be/src/exec/es_predicate.cpp ########## @@ -0,0 +1,421 @@ +// 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_predicate.h" + +#include <stdint.h> +#include <map> +#include <sstream> +#include <boost/algorithm/string.hpp> +#include <gutil/strings/substitute.h> + +#include "common/status.h" +#include "common/logging.h" +#include "exprs/expr.h" +#include "exprs/expr_context.h" +#include "exprs/in_predicate.h" + +#include "gen_cpp/PlanNodes_types.h" +#include "olap/olap_common.h" +#include "olap/utils.h" +#include "runtime/client_cache.h" +#include "runtime/runtime_state.h" +#include "runtime/row_batch.h" +#include "runtime/datetime_value.h" +#include "runtime/large_int_value.h" +#include "runtime/string_value.h" +#include "runtime/tuple_row.h" + +#include "service/backend_options.h" +#include "util/debug_util.h" +#include "util/es_query_builder.h" +#include "util/runtime_profile.h" + +namespace doris { + +using namespace std; + +std::string ExtLiteral::value_to_string() { + std::stringstream ss; + switch (_type) { + case TYPE_TINYINT: + ss << std::to_string(get_byte()); + break; + case TYPE_SMALLINT: + ss << std::to_string(get_short()); + break; + case TYPE_INT: + ss << std::to_string(get_int()); + break; + case TYPE_BIGINT: + ss << std::to_string(get_long()); + break; + case TYPE_FLOAT: + ss << std::to_string(get_float()); + break; + case TYPE_DOUBLE: + ss << std::to_string(get_double()); + break; + case TYPE_CHAR: + case TYPE_VARCHAR: + ss << get_string(); + break; + case TYPE_DATE: + case TYPE_DATETIME: + ss << get_date_string(); + break; + case TYPE_BOOLEAN: + ss << std::to_string(get_bool()); + break; + case TYPE_DECIMAL: + ss << get_decimal_string(); + break; + case TYPE_DECIMALV2: + ss << get_decimalv2_string(); + break; + case TYPE_LARGEINT: + ss << get_largeint_string(); + break; + default: + DCHECK(false); + break; + } + return ss.str(); +} + +ExtLiteral::~ExtLiteral(){ +} + +int8_t ExtLiteral::get_byte() { + DCHECK(_type == TYPE_TINYINT); + return *(reinterpret_cast<int8_t*>(_value)); +} + +int16_t ExtLiteral::get_short() { + DCHECK(_type == TYPE_SMALLINT); + return *(reinterpret_cast<int16_t*>(_value)); +} + +int32_t ExtLiteral::get_int() { + DCHECK(_type == TYPE_INT); + return *(reinterpret_cast<int32_t*>(_value)); +} + +int64_t ExtLiteral::get_long() { + DCHECK(_type == TYPE_BIGINT); + return *(reinterpret_cast<int64_t*>(_value)); +} + +float ExtLiteral::get_float() { + DCHECK(_type == TYPE_FLOAT); + return *(reinterpret_cast<float*>(_value)); +} + +double ExtLiteral::get_double() { + DCHECK(_type == TYPE_DOUBLE); + return *(reinterpret_cast<double*>(_value)); +} + +std::string ExtLiteral::get_string() { + DCHECK(_type == TYPE_VARCHAR || _type == TYPE_CHAR); + return (reinterpret_cast<StringValue*>(_value))->to_string(); +} + +std::string ExtLiteral::get_date_string() { + DCHECK(_type == TYPE_DATE || _type == TYPE_DATETIME); + DateTimeValue date_value = *reinterpret_cast<DateTimeValue*>(_value); + if (_type == TYPE_DATE) { + date_value.cast_to_date(); + } + + char str[MAX_DTVALUE_STR_LEN]; + date_value.to_string(str); + return std::string(str, strlen(str)); +} + +bool ExtLiteral::get_bool() { + DCHECK(_type == TYPE_BOOLEAN); + return *(reinterpret_cast<bool*>(_value)); +} + +std::string ExtLiteral::get_decimal_string() { + DCHECK(_type == TYPE_DECIMAL); + return reinterpret_cast<DecimalValue*>(_value)->to_string(); +} + +std::string ExtLiteral::get_decimalv2_string() { + DCHECK(_type == TYPE_DECIMALV2); + return reinterpret_cast<DecimalV2Value*>(_value)->to_string(); +} + +std::string ExtLiteral::get_largeint_string() { + DCHECK(_type == TYPE_LARGEINT); + return LargeIntValue::to_string(*reinterpret_cast<__int128*>(_value)); +} + +EsPredicate::EsPredicate(ExprContext* context, + const TupleDescriptor* tuple_desc) : + _context(context), + _disjuncts_num(0), + _tuple_desc(tuple_desc), + _es_query_status(Status::OK) { +} + +EsPredicate::~EsPredicate() { + for(int i=0; i < _disjuncts.size(); i++) { + delete _disjuncts[i]; + } + _disjuncts.clear(); +} + +bool EsPredicate::build_disjuncts_list() { + return build_disjuncts_list(_context->root()); +} + +// make sure to build by build_disjuncts_list +const vector<ExtPredicate*>& EsPredicate::get_predicate_list(){ + return _disjuncts; +} + +static bool ignore_cast(const SlotDescriptor* slot, const Expr* expr) { + if (slot->type().is_date_type() && expr->type().is_date_type()) { + return true; + } + if (slot->type().is_string_type() && expr->type().is_string_type()) { + return true; + } + return false; +} + +static bool is_literal_node(const Expr* expr) { + switch (expr->node_type()) { + case TExprNodeType::BOOL_LITERAL: + case TExprNodeType::INT_LITERAL: + case TExprNodeType::LARGE_INT_LITERAL: + case TExprNodeType::FLOAT_LITERAL: + case TExprNodeType::DECIMAL_LITERAL: + case TExprNodeType::STRING_LITERAL: + case TExprNodeType::DATE_LITERAL: + return true; + default: + return false; + } +} + +bool EsPredicate::build_disjuncts_list(const Expr* conjunct) { + if (TExprNodeType::BINARY_PRED == conjunct->node_type()) { + if (conjunct->children().size() != 2) { + VLOG(1) << "get disjuncts fail: number of childs is not 2"; + return false; + } + + SlotRef* slotRef = nullptr; + TExprOpcode::type op; + Expr* expr = nullptr; + if (TExprNodeType::SLOT_REF == conjunct->get_child(0)->node_type()) { + expr = conjunct->get_child(1); + slotRef = (SlotRef*)(conjunct->get_child(0)); + op = conjunct->op(); + } else if (TExprNodeType::SLOT_REF == conjunct->get_child(1)->node_type()) { + expr = conjunct->get_child(0); + slotRef = (SlotRef*)(conjunct->get_child(1)); + op = conjunct->op(); + } else { + VLOG(1) << "get disjuncts fail: no SLOT_REF child"; + return false; + } + + const SlotDescriptor* slot_desc = get_slot_desc(slotRef); + if (slot_desc == nullptr) { + VLOG(1) << "get disjuncts fail: slot_desc is null"; + return false; + } + + if (!is_literal_node(expr)) { + VLOG(1) << "get disjuncts fail: expr is not literal type"; + return false; + } + + ExtLiteral literal(expr->type().type, _context->get_value(expr, NULL)); + ExtPredicate* predicate = new ExtBinaryPredicate( + TExprNodeType::BINARY_PRED, + slot_desc->col_name(), + slot_desc->type(), + op, + literal); + + _disjuncts.push_back(predicate); + return true; + } + + if (is_match_func(conjunct)) { + + Expr* expr = conjunct->get_child(1); + ExtLiteral literal(expr->type().type, _context->get_value(expr, NULL)); + vector<ExtLiteral> query_conditions; + query_conditions.emplace_back(literal); + vector<ExtColumnDesc> cols; //TODO + ExtPredicate* predicate = new ExtFunction( + TExprNodeType::FUNCTION_CALL, + conjunct->fn().name.function_name, + cols, + query_conditions); + if (_es_query_status.ok()) { + _es_query_status + = BooleanQueryBuilder::check_es_query(*(ExtFunction *)predicate); + if (!_es_query_status.ok()) { + return false; + } + } + _disjuncts.push_back(predicate); + + return true; + } + + if (TExprNodeType::FUNCTION_CALL == conjunct->node_type()) { + std::string fname = conjunct->fn().name.function_name; + if (fname != "like") { + return false; + } + + SlotRef* slotRef = nullptr; + Expr* expr = nullptr; + if (TExprNodeType::SLOT_REF == conjunct->get_child(0)->node_type()) { + expr = conjunct->get_child(1); + slotRef = (SlotRef*)(conjunct->get_child(0)); + } else if (TExprNodeType::SLOT_REF == conjunct->get_child(1)->node_type()) { + expr = conjunct->get_child(0); + slotRef = (SlotRef*)(conjunct->get_child(1)); + } else { + VLOG(1) << "get disjuncts fail: no SLOT_REF child"; + return false; + } + + const SlotDescriptor* slot_desc = get_slot_desc(slotRef); + if (slot_desc == nullptr) { + VLOG(1) << "get disjuncts fail: slot_desc is null"; + return false; + } + + PrimitiveType type = expr->type().type; + if (type != TYPE_VARCHAR && type != TYPE_CHAR) { + VLOG(1) << "get disjuncts fail: like value is not a string"; + return false; + } + + ExtLiteral literal(type, _context->get_value(expr, NULL)); + ExtPredicate* predicate = new ExtLikePredicate( + TExprNodeType::LIKE_PRED, + slot_desc->col_name(), + slot_desc->type(), + literal); + + _disjuncts.push_back(predicate); + return true; + } + + if (TExprNodeType::IN_PRED == conjunct->node_type()) { + // the op code maybe FILTER_NEW_IN, it means there is function in list + // like col_a in (abs(1)) + if (TExprOpcode::FILTER_IN != conjunct->op() + && TExprOpcode::FILTER_NOT_IN != conjunct->op()) { + return false; + } + + vector<ExtLiteral> in_pred_values; + const InPredicate* pred = dynamic_cast<const InPredicate*>(conjunct); + if (Expr::type_without_cast(pred->get_child(0)) != TExprNodeType::SLOT_REF) { + return false; + } + + SlotRef* slot_ref = (SlotRef*)(conjunct->get_child(0)); + const SlotDescriptor* slot_desc = get_slot_desc(slot_ref); + if (slot_desc == nullptr) { + return false; + } + + if (pred->get_child(0)->type().type != slot_desc->type().type) { + if (!ignore_cast(slot_desc, pred->get_child(0))) { + return false; + } + } + + HybirdSetBase::IteratorBase* iter = pred->hybird_set()->begin(); + while (iter->has_next()) { + if (nullptr == iter->get_value()) { + return false; + } + + ExtLiteral literal(slot_desc->type().type, const_cast<void *>(iter->get_value())); + in_pred_values.emplace_back(literal); + iter->next(); + } + + ExtPredicate* predicate = new ExtInPredicate( + TExprNodeType::IN_PRED, + pred->is_not_in(), + slot_desc->col_name(), + slot_desc->type(), + in_pred_values); + _disjuncts.push_back(predicate); + + return true; + } + + if (TExprNodeType::COMPOUND_PRED == conjunct->node_type()) { + if (TExprOpcode::COMPOUND_OR != conjunct->op()) { + VLOG(1) << "get disjuncts fail: op is not COMPOUND_OR"; + return false; + } + if (!build_disjuncts_list(conjunct->get_child(0))) { + return false; + } + if (!build_disjuncts_list(conjunct->get_child(1))) { + return false; + } + + return true; + } + + // if go to here, report error + VLOG(1) << "get disjuncts fail: node type is " << conjunct->node_type() + << ", should be BINARY_PRED or COMPOUND_PRED"; + return false; +} + +bool EsPredicate::is_match_func(const Expr* conjunct) { + if (TExprNodeType::FUNCTION_CALL == conjunct->node_type() + && conjunct->fn().name.function_name == "esquery") { + return true; + } + return false; +} + +const SlotDescriptor* EsPredicate::get_slot_desc(const SlotRef* slotRef) { + std::vector<SlotId> slot_ids; + slotRef->get_slot_ids(&slot_ids); + const SlotDescriptor* slot_desc = nullptr; + for (SlotDescriptor* slot : _tuple_desc->slots()) { + if (slot->id() == slot_ids[0]) { Review comment: Done ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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