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• GuttenBase
• 2.0.0
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• SplitColumn.java

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de.akquinet.jbosscc.guttenbase.tools.SplitColumn Maven / Gradle / Ivy

package de.akquinet.jbosscc.guttenbase.tools;

import java.sql.SQLException;

import de.akquinet.jbosscc.guttenbase.meta.ColumnMetaData;
import de.akquinet.jbosscc.guttenbase.meta.TableMetaData;

/**
 * Sometimes the amount of data exceeds any buffer. In these cases we need to split the data by some given range, usually the primary key.
 * I.e., the data is read in chunks where these chunks are split using the ID column range of values.
 * 
 * 

 * © 2012-2020 akquinet tech@spree
 * 
 * 
 * @author M. Dahm
 */
public interface SplitColumn {
  /**
   * @return column of the table, i.e. in general the primary key or any other column name if no primary key column is appropriate
   */
  ColumnMetaData getSplitColumn(TableMetaData tableName) throws SQLException;
}