Package org.apache.flink.table.utils.print

Class TableauStyle

  • All Implemented Interfaces:
    PrintStyle
    @Internal
public final class TableauStyle
extends Object
implements PrintStyle
    Print the result and content as tableau form.

    For example: (printRowKind is true) 

     +----+-------------+---------+-------------+
 | op | boolean_col | int_col | varchar_col |
 +----+-------------+---------+-------------+
 | +I |        true |       1 |         abc |
 | -U |       false |       2 |         def |
 | +U |       false |       3 |         def |
 | -D |      <NULL> |  <NULL> |      <NULL> |
 +----+-------------+---------+-------------+
 4 rows in set

    • Method Detail

      • getColumnWidths

        @Nullable
public int[] getColumnWidths()
        Returns null if the column widths are not precomputed using the row type.

      • print

        public void print​(Iterator<RowData> it,
                  PrintWriter printWriter)
        Description copied from interface: PrintStyle
        Displays the result.
        Specified by:
        print in interface PrintStyle
        Parameters:
        it - The iterator for the data to print
        printWriter - The writer to write to

      • printTable

        public long printTable​(Iterator<RowData> it,
                       PrintWriter printWriter)
        Print table with column names and borders.
        Returns:
        the row number printed in the table

      • printFooter

        public void printFooter​(PrintWriter printWriter,
                        long numRows)

      • inferColumnWidth

        public void inferColumnWidth​(List<String[]> rowData)

      • rowFieldsToString

        public String[] rowFieldsToString​(RowData row)

      • printColumnNamesTableauRow

        public void printColumnNamesTableauRow​(PrintWriter printWriter)

      • printTableauRow

        public void printTableauRow​(String[] cols,
                            PrintWriter printWriter)

      • printBorderLine

        public void printBorderLine​(PrintWriter printWriter)