final String type = fieldDefinition.getType();
if (type == null) {
throw new RuntimeException("the type of fieldDefinitions should not be null");
}
final Mapping mapping = getJdbcTypeMapping().get(type);
if (mapping != null) {
createTableSql.append(mapping.toDataBaseSting(fieldDefinition)).append(", ");
if (fieldDefinition.getIsKey()) {
keyDefinitionList.add(fieldDefinition);
}
} else {