mirror of https://gitee.com/bigwinds/arangodb
48 lines
1.8 KiB
C++
48 lines
1.8 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2019-2019 ArangoDB GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// 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, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Michael Hackstein
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////////////////////////////////////////////////////////////////////////////////
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#include "PruneExpressionEvaluator.h"
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#include "Aql/AqlValue.h"
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#include "Aql/Expression.h"
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#include "Transaction/Methods.h"
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using namespace arangodb;
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using namespace arangodb::aql;
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PruneExpressionEvaluator::PruneExpressionEvaluator(
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transaction::Methods* trx, Query* query,
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std::vector<Variable const*> const&& vars, std::vector<RegisterId> const&& regs,
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size_t vertexVarIdx, size_t edgeVarIdx, size_t pathVarIdx, Expression* expr)
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: _trx(trx),
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_pruneExpression(expr),
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_ctx(query, std::move(vars), std::move(regs), vertexVarIdx, edgeVarIdx, pathVarIdx) {}
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PruneExpressionEvaluator::~PruneExpressionEvaluator() = default;
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bool PruneExpressionEvaluator::evaluate() {
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bool mustDestroy = false;
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aql::AqlValue res = _pruneExpression->execute(_trx, &_ctx, mustDestroy);
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arangodb::aql::AqlValueGuard guard(res, mustDestroy);
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TRI_ASSERT(res.isBoolean());
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return res.toBoolean();
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} |