io.questdb.cairo.frm.FrameColumn Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of questdb Show documentation
Show all versions of questdb Show documentation
QuestDB is high performance SQL time series database
/*******************************************************************************
* ___ _ ____ ____
* / _ \ _ _ ___ ___| |_| _ \| __ )
* | | | | | | |/ _ \/ __| __| | | | _ \
* | |_| | |_| | __/\__ \ |_| |_| | |_) |
* \__\_\\__,_|\___||___/\__|____/|____/
*
* Copyright (c) 2014-2019 Appsicle
* Copyright (c) 2019-2024 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.
*
******************************************************************************/
package io.questdb.cairo.frm;
import java.io.Closeable;
public interface FrameColumn extends Closeable {
int COLUMN_CONTIGUOUS_FILE = 0;
void addTop(long value);
/**
* Appends source frame to this frame starting at the specific offset in this frame.
*
* @param appendOffsetRowCount offset in number of rows after which data is appended
* @param sourceColumn the source frame
* @param sourceLo low index in the source frame
* @param sourceHi high index in the source frame, exclusive
* @param commitMode the commit mode, which drives durability of the change.
*/
void append(long appendOffsetRowCount, FrameColumn sourceColumn, long sourceLo, long sourceHi, int commitMode);
void appendNulls(long rowCount, long sourceColumnTop, int commitMode);
void close();
int getColumnIndex();
long getColumnTop();
int getColumnType();
long getPrimaryFd();
long getSecondaryFd();
int getStorageType();
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy