Java Code Examples for com.google.api.services.bigquery.model.TableFieldSchema#setDescription()

The following examples show how to use com.google.api.services.bigquery.model.TableFieldSchema#setDescription() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: BigQueryUtils.java    From beam with Apache License 2.0 5 votes vote down vote up 
private static List<TableFieldSchema> toTableFieldSchema(Schema schema) {
  List<TableFieldSchema> fields = new ArrayList<>(schema.getFieldCount());
  for (Field schemaField : schema.getFields()) {
    FieldType type = schemaField.getType();

    TableFieldSchema field = new TableFieldSchema().setName(schemaField.getName());
    if (schemaField.getDescription() != null && !"".equals(schemaField.getDescription())) {
      field.setDescription(schemaField.getDescription());
    }

    if (!schemaField.getType().getNullable()) {
      field.setMode(Mode.REQUIRED.toString());
    }
    if (type.getTypeName().isCollectionType()) {
      type = type.getCollectionElementType();
      if (type.getTypeName().isCollectionType() || type.getTypeName().isMapType()) {
        throw new IllegalArgumentException("Array of collection is not supported in BigQuery.");
      }
      field.setMode(Mode.REPEATED.toString());
    }
    if (TypeName.ROW == type.getTypeName()) {
      Schema subType = type.getRowSchema();
      field.setFields(toTableFieldSchema(subType));
    }
    if (TypeName.MAP == type.getTypeName()) {
      throw new IllegalArgumentException("Maps are not supported in BigQuery.");
    }
    field.setType(toStandardSQLTypeName(type).toString());

    fields.add(field);
  }
  return fields;
}
Example 2
Source File: FieldSchemaListBuilder.java    From bigquery-etl-dataflow-sample with Apache License 2.0 3 votes vote down vote up 
/**
 * Creates a TableFieldSchema with all of the parameters
 * @param type - the datatype @see https://cloud.google.com/bigquery/data-types
 * @param name - the name of the field
 * @param mode - the mode of the field
 * @param description - a description of the field to create.
 * @see https://developers.google.com/resources/api-libraries/documentation/bigquery/v2/java/latest/com/google/api/services/bigquery/model/TableFieldSchema.html
 * @return
 */
public TableFieldSchema fieldSchema(String type, String name, String mode, String description) {
  TableFieldSchema tfs = new TableFieldSchema();
  tfs.setType(type);
  tfs.setName(name);
  tfs.setMode(mode);
  tfs.setDescription(description);
  return tfs;
}