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feat: new
break statement in scripts to exit from a loop/foreach
Fixed issue #1647
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37 changes: 37 additions & 0 deletions
37
engine/src/main/java/com/arcadedb/query/sql/executor/BreakStep.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| /* | ||
| * Copyright © 2021-present Arcade Data Ltd (info@arcadedata.com) | ||
| * | ||
| * Licensed 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. | ||
| * | ||
| * SPDX-FileCopyrightText: 2021-present Arcade Data Ltd (info@arcadedata.com) | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
| package com.arcadedb.query.sql.executor; | ||
|
|
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| import com.arcadedb.exception.TimeoutException; | ||
| import com.arcadedb.query.sql.parser.BreakStatement; | ||
| import com.arcadedb.query.sql.parser.SimpleExecStatement; | ||
|
|
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| /** | ||
| * @author Luca Garulli (l.garulli@arcadedata.com) | ||
| */ | ||
| public class BreakStep extends AbstractExecutionStep { | ||
| public BreakStep(final CommandContext context) { | ||
| super(context); | ||
| } | ||
|
|
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| @Override | ||
| public ResultSet syncPull(final CommandContext context, final int nRecords) throws TimeoutException { | ||
| return BreakStatement.BREAK_RESULTSET; | ||
| } | ||
| } |
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39 changes: 39 additions & 0 deletions
39
engine/src/main/java/com/arcadedb/query/sql/parser/BreakStatement.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| /* Generated By:JJTree: Do not edit this line. BreakStatement.java Version 7.0 */ | ||
| /* JavaCCOptions:MULTI=true,NODE_USES_PARSER=false,VISITOR=false,TRACK_TOKENS=true,NODE_PREFIX=,NODE_EXTENDS=,NODE_FACTORY=,SUPPORT_CLASS_VISIBILITY_PUBLIC=true */ | ||
| package com.arcadedb.query.sql.parser; | ||
|
|
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| import com.arcadedb.query.sql.executor.CommandContext; | ||
| import com.arcadedb.query.sql.executor.InternalResultSet; | ||
| import com.arcadedb.query.sql.executor.Result; | ||
| import com.arcadedb.query.sql.executor.ResultSet; | ||
|
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| import java.util.*; | ||
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| public class BreakStatement extends SimpleExecStatement { | ||
| public static final ResultSet BREAK_RESULTSET = new ResultSet() { | ||
| @Override | ||
| public boolean hasNext() { | ||
| return false; | ||
| } | ||
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| @Override | ||
| public Result next() { | ||
| return null; | ||
| } | ||
| }; | ||
|
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| public BreakStatement(int id) { | ||
| super(id); | ||
| } | ||
|
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| @Override | ||
| public ResultSet executeSimple(final CommandContext context) { | ||
| return BREAK_RESULTSET; | ||
| } | ||
|
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| @Override | ||
| public void toString(final Map<String, Object> params, final StringBuilder builder) { | ||
| builder.append("RETURN"); | ||
| } | ||
| } | ||
| /* JavaCC - OriginalChecksum=7c151cab41b31cd675cea2f3becdc628 (do not edit this line) */ |
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