Package org.h2.result

Class ResultRemote

java.lang.Object
org.h2.result.FetchedResult
org.h2.result.ResultRemote
All Implemented Interfaces:
AutoCloseable, ResultInterface

public final class ResultRemote extends FetchedResult
The client side part of a result set that is kept on the server. In many cases, the complete data is kept on the client side, but for large results only a subset is in-memory.
  • Field Details

    • fetchSize

      private int fetchSize
    • session

      private SessionRemote session
    • transfer

      private Transfer transfer
    • id

      private int id
    • columns

      private final ResultColumn[] columns
    • rowCount

      private long rowCount
    • rowOffset

      private long rowOffset
    • result

      private ArrayList<Value[]> result
    • trace

      private final Trace trace
  • Constructor Details

  • Method Details

    • isLazy

      public boolean isLazy()
      Description copied from interface: ResultInterface
      Check if this a lazy execution result.
      Returns:
      true if it is a lazy result
    • getAlias

      public String getAlias(int i)
      Description copied from interface: ResultInterface
      Get the column alias name for the column.
      Parameters:
      i - the column number (starting with 0)
      Returns:
      the alias name
    • getSchemaName

      public String getSchemaName(int i)
      Description copied from interface: ResultInterface
      Get the schema name for the column, if one exists.
      Parameters:
      i - the column number (starting with 0)
      Returns:
      the schema name or null
    • getTableName

      public String getTableName(int i)
      Description copied from interface: ResultInterface
      Get the table name for the column, if one exists.
      Parameters:
      i - the column number (starting with 0)
      Returns:
      the table name or null
    • getColumnName

      public String getColumnName(int i)
      Description copied from interface: ResultInterface
      Get the column name.
      Parameters:
      i - the column number (starting with 0)
      Returns:
      the column name
    • getColumnType

      public TypeInfo getColumnType(int i)
      Description copied from interface: ResultInterface
      Get the column data type.
      Parameters:
      i - the column number (starting with 0)
      Returns:
      the column data type
    • isIdentity

      public boolean isIdentity(int i)
      Description copied from interface: ResultInterface
      Check if this is an identity column.
      Parameters:
      i - the column number (starting with 0)
      Returns:
      true for identity columns
    • getNullable

      public int getNullable(int i)
      Description copied from interface: ResultInterface
      Check if this column is nullable.
      Parameters:
      i - the column number (starting with 0)
      Returns:
      Column.NULLABLE_*
    • reset

      public void reset()
      Description copied from interface: ResultInterface
      Go to the beginning of the result, that means before the first row.
    • getVisibleColumnCount

      public int getVisibleColumnCount()
      Description copied from interface: ResultInterface
      Get the number of visible columns. More columns may exist internally for sorting or grouping.
      Returns:
      the number of columns
    • getRowCount

      public long getRowCount()
      Description copied from interface: ResultInterface
      Get the number of rows in this object.
      Returns:
      the number of rows
    • hasNext

      public boolean hasNext()
      Description copied from interface: ResultInterface
      Check if this result has more rows to fetch.
      Returns:
      true if it has
    • sendClose

      private void sendClose()
    • close

      public void close()
      Description copied from interface: ResultInterface
      Close the result and delete any temporary files
    • remapIfOld

      private void remapIfOld()
    • fetchAdditionalRows

      private void fetchAdditionalRows()
    • fetchRows

      private boolean fetchRows(int fetch) throws IOException
      Throws:
      IOException
    • toString

      public String toString()
      Overrides:
      toString in class Object
    • getFetchSize

      public int getFetchSize()
      Description copied from interface: ResultInterface
      Get the current fetch size for this result set.
      Returns:
      the fetch size
    • setFetchSize

      public void setFetchSize(int fetchSize)
      Description copied from interface: ResultInterface
      Set the fetch size for this result set.
      Parameters:
      fetchSize - the new fetch size
    • isClosed

      public boolean isClosed()
      Description copied from interface: ResultInterface
      Check if this result set is closed.
      Returns:
      true if it is