io.questdb.griffin.SqlExecutionContext Maven / Gradle / Ivy
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*
* Copyright (c) 2014-2019 Appsicle
* Copyright (c) 2019-2020 QuestDB
*
* 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.
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package io.questdb.griffin;
import io.questdb.MessageBus;
import io.questdb.cairo.CairoEngine;
import io.questdb.cairo.CairoSecurityContext;
import io.questdb.cairo.ColumnTypes;
import io.questdb.cairo.RecordSink;
import io.questdb.cairo.sql.BindVariableService;
import io.questdb.cairo.sql.VirtualRecord;
import io.questdb.griffin.engine.analytic.AnalyticContext;
import io.questdb.std.Misc;
import io.questdb.std.Rnd;
import io.questdb.std.Transient;
import org.jetbrains.annotations.Nullable;
import java.io.Closeable;
public interface SqlExecutionContext extends Closeable {
BindVariableService getBindVariableService();
CairoSecurityContext getCairoSecurityContext();
@Nullable MessageBus getMessageBus();
boolean isTimestampRequired();
void popTimestampRequiredFlag();
void pushTimestampRequiredFlag(boolean flag);
int getWorkerCount();
Rnd getRandom();
void setRandom(Rnd rnd);
CairoEngine getCairoEngine();
long getRequestFd();
SqlExecutionInterruptor getSqlExecutionInterruptor();
void storeTelemetry(short event, short origin);
AnalyticContext getAnalyticContext();
void configureAnalyticContext(
@Nullable VirtualRecord partitionByRecord,
@Nullable RecordSink partitionBySink,
@Transient @Nullable ColumnTypes keyTypes,
boolean isOrdered,
boolean baseSupportsRandomAccess
);
void initNow();
long getNow();
@Override
default void close(){
Misc.free(getMessageBus());
}
}