code: public int getColumnType(int column) throws SQLException {
  
          checkColumn(column);
  
          Type type = resultMetaData.columnTypes[--column];
  
          return type.getJDBCTypeCode();
      }
docs: <!-- start generic documentation -->
  Retrieves the designated column's SQL type.
  <!-- end generic documentation -->
  
  <!-- start Release-specific documentation -->
  <div class="ReleaseSpecificDocumentation">
  <h3>HSQLDB-Specific Information:</h3> <p>
  
  This reports the SQL type code of the column. For time and timestamp
  types that are WITH TIME ZONE, the values as the SQL Standarc CLI
  codes.<p>
  
  </div>
  <!-- end release-specific documentation -->
  
  
  @param column the first column is 1, the second is 2, ...
  @return SQL type from java.sql.Types
  @exception SQLException if a database access error occurs
  @see java.sql.Types