How to use

getFieldTypeByColumnName

method

in

com.j256.ormlite.table.TableInfo

/**
 * Verify the columnName is valid and return its FieldType.
 * 
 * @throws IllegalArgumentException
 *             if the column name is not valid.
 */
protected FieldType verifyColumnName(String columnName) {
  return tableInfo.getFieldTypeByColumnName(columnName);
}

/**
 * Verify the columnName is valid and return its FieldType.
 * 
 * @throws IllegalArgumentException
 *             if the column name is not valid.
 */
protected FieldType verifyColumnName(String columnName) {
  return tableInfo.getFieldTypeByColumnName(columnName);
}

private FieldType findColumnFieldType(String columnName) {
  return tableInfo.getFieldTypeByColumnName(columnName);
}

private FieldType findColumnFieldType(String columnName) {
  return tableInfo.getFieldTypeByColumnName(columnName);
}

/**
 * Match up our joined fields so we can throw a nice exception immediately if you can't join with this type.
 */
private void matchJoinedFieldsByName(JoinInfo joinInfo, String localColumnName, String joinedColumnName,
    QueryBuilder<?, ?> joinedQueryBuilder) throws SQLException {
  joinInfo.localField = tableInfo.getFieldTypeByColumnName(localColumnName);
  if (joinInfo.localField == null) {
    throw new SQLException("Could not find field in " + tableInfo.getDataClass() + " that has column-name '"
        + localColumnName + "'");
  }
  joinInfo.remoteField = joinedQueryBuilder.tableInfo.getFieldTypeByColumnName(joinedColumnName);
  if (joinInfo.remoteField == null) {
    throw new SQLException("Could not find field in " + joinedQueryBuilder.tableInfo.getDataClass()
        + " that has column-name '" + joinedColumnName + "'");
  }
}

/**
 * Match up our joined fields so we can throw a nice exception immediately if you can't join with this type.
 */
private void matchJoinedFieldsByName(JoinInfo joinInfo, String localColumnName, String joinedColumnName,
    QueryBuilder<?, ?> joinedQueryBuilder) throws SQLException {
  joinInfo.localField = tableInfo.getFieldTypeByColumnName(localColumnName);
  if (joinInfo.localField == null) {
    throw new SQLException("Could not find field in " + tableInfo.getDataClass() + " that has column-name '"
        + localColumnName + "'");
  }
  joinInfo.remoteField = joinedQueryBuilder.tableInfo.getFieldTypeByColumnName(joinedColumnName);
  if (joinInfo.remoteField == null) {
    throw new SQLException("Could not find field in " + joinedQueryBuilder.tableInfo.getDataClass()
        + " that has column-name '" + joinedColumnName + "'");
  }
}

  @Override
  public T mapRow(String[] columnNames, String[] resultColumns) throws SQLException {
    // create our object
    T rowObj = tableInfo.createObject();
    for (int i = 0; i < columnNames.length; i++) {
      // sanity check, prolly will never happen but let's be careful out there
      if (i >= resultColumns.length) {
        continue;
      }
      // run through and convert each field
      FieldType fieldType = tableInfo.getFieldTypeByColumnName(columnNames[i]);
      Object fieldObj = fieldType.convertStringToJavaField(resultColumns[i], i);
      // assign it to the row object
      fieldType.assignField(rowObj, fieldObj, false, null);
    }
    return rowObj;
  }
}

  continue;
FieldType fieldType = tableInfo.getFieldTypeByColumnName(select.getColumnName());

  continue;
FieldType fieldType = tableInfo.getFieldTypeByColumnName(select.getColumnName());

  @Override
  public T mapRow(String[] columnNames, String[] resultColumns) throws SQLException {
    // create our object
    T rowObj = dao.createObjectInstance();
    for (int i = 0; i < columnNames.length; i++) {
      // sanity check, prolly will never happen but let's be careful out there
      if (i >= resultColumns.length) {
        continue;
      }
      // run through and convert each field
      FieldType fieldType = tableInfo.getFieldTypeByColumnName(columnNames[i]);
      Object fieldObj = fieldType.convertStringToJavaField(resultColumns[i], i);
      // assign it to the row object
      fieldType.assignField(dao.getConnectionSource(), rowObj, fieldObj, false, null);
    }
    return rowObj;
  }
}

@Test
public void testUnknownForeignField() throws Exception {
  TableInfo<Foreign, Void> tableInfo = new TableInfo<Foreign, Void>(databaseType, Foreign.class);
  try {
    tableInfo.getFieldTypeByColumnName("foo");
    fail("expected exception");
  } catch (IllegalArgumentException e) {
    assertTrue(e.getMessage().contains("'" + Foreign.FOREIGN_FIELD_NAME + "'"));
    assertTrue(e.getMessage().contains("'foo'"));
  }
}

  foreignRefField = foreignIdField;
} else {
  foreignRefField = foreignTableInfo.getFieldTypeByColumnName(foreignColumnName);
  if (foreignRefField == null) {
    throw new IllegalArgumentException(

  foreignRefField = foreignIdField;
} else {
  foreignRefField = foreignTableInfo.getFieldTypeByColumnName(foreignColumnName);
  if (foreignRefField == null) {
    throw new IllegalArgumentException(

@Test
public void testBasic() throws SQLException {
  TableInfo<Foo, String> tableInfo = new TableInfo<Foo, String>(databaseType, Foo.class);
  assertEquals(Foo.class, tableInfo.getDataClass());
  assertEquals(TABLE_NAME, tableInfo.getTableName());
  assertEquals(COLUMN_NAME, tableInfo.getIdField().getColumnName());
  assertEquals(1, tableInfo.getFieldTypes().length);
  assertSame(tableInfo.getIdField(), tableInfo.getFieldTypes()[0]);
  assertEquals(COLUMN_NAME, tableInfo.getFieldTypeByColumnName(COLUMN_NAME).getColumnName());
}