Package org.h2.result

Class ResultWithPaddedStrings

java.lang.Object
org.h2.result.ResultWithPaddedStrings
All Implemented Interfaces:
AutoCloseable, ResultInterface
public class ResultWithPaddedStrings extends Object implements ResultInterface
Result with padded fixed length strings.

  • Method Details

    • get

      public static ResultInterface get(ResultInterface source)
      Returns wrapped result if necessary, or original result if it does not contain visible CHAR columns.
      Parameters:
      source - source result
      Returns:
      wrapped result or original result

    • reset

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

    • currentRow

      public Value[] currentRow()
      Description copied from interface: ResultInterface
      Get the current row.
      Specified by:
      currentRow in interface ResultInterface
      Returns:
      the row

    • next

      public boolean next()
      Description copied from interface: ResultInterface
      Go to the next row.
      Specified by:
      next in interface ResultInterface
      Returns:
      true if a row exists

    • getRowId

      public long getRowId()
      Description copied from interface: ResultInterface
      Get the current row id, starting with 0. -1 is returned when next() was not called yet.
      Specified by:
      getRowId in interface ResultInterface
      Returns:
      the row id

    • isAfterLast

      public boolean isAfterLast()
      Description copied from interface: ResultInterface
      Check if the current position is after last row.
      Specified by:
      isAfterLast in interface ResultInterface
      Returns:
      true if after last

    • getVisibleColumnCount

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

    • getRowCount

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

    • hasNext

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

    • needToClose

      public boolean needToClose()
      Description copied from interface: ResultInterface
      Check if this result set should be closed, for example because it is buffered using a temporary file.
      Specified by:
      needToClose in interface ResultInterface
      Returns:
      true if close should be called.

    • close

      public void close()
      Description copied from interface: ResultInterface
      Close the result and delete any temporary files
      Specified by:
      close in interface AutoCloseable
      Specified by:
      close in interface ResultInterface

    • getAlias

      public String getAlias(int i)
      Description copied from interface: ResultInterface
      Get the column alias name for the column.
      Specified by:
      getAlias in interface ResultInterface
      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.
      Specified by:
      getSchemaName in interface ResultInterface
      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.
      Specified by:
      getTableName in interface ResultInterface
      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.
      Specified by:
      getColumnName in interface ResultInterface
      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.
      Specified by:
      getColumnType in interface ResultInterface
      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.
      Specified by:
      isIdentity in interface ResultInterface
      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.
      Specified by:
      getNullable in interface ResultInterface
      Parameters:
      i - the column number (starting with 0)
      Returns:
      Column.NULLABLE_*

    • setFetchSize

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

    • getFetchSize

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

    • isLazy

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

    • isClosed

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

    • createShallowCopy

      public ResultInterface createShallowCopy(Session targetSession)
      Description copied from interface: ResultInterface
      Create a shallow copy of the result set. The data and a temporary table (if there is any) is not copied.
      Specified by:
      createShallowCopy in interface ResultInterface
      Parameters:
      targetSession - the session of the copy
      Returns:
      the copy if possible, or null if copying is not possible