DataCatalog
Contains information about a data catalog in an AWS account.
Note
In the Athena console, data catalogs are listed as "data sources" on the Data sources page under the Data source name column.
Contents
- Name
-
The name of the data catalog. The catalog name must be unique for the AWS account and can use a maximum of 127 alphanumeric, underscore, at sign, or hyphen characters. The remainder of the length constraint of 256 is reserved for use by Athena.
Type: String
Length Constraints: Minimum length of 1. Maximum length of 256.
Pattern:
[\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\t]*
Required: Yes
- Type
-
The type of data catalog to create:
LAMBDA
for a federated catalog,HIVE
for an external hive metastore, orGLUE
for an AWS Glue Data Catalog.Type: String
Valid Values:
LAMBDA | GLUE | HIVE
Required: Yes
- Description
-
An optional description of the data catalog.
Type: String
Length Constraints: Minimum length of 1. Maximum length of 1024.
Required: No
- Parameters
-
Specifies the Lambda function or functions to use for the data catalog. This is a mapping whose values depend on the catalog type.
-
For the
HIVE
data catalog type, use the following syntax. Themetadata-function
parameter is required.The sdk-version
parameter is optional and defaults to the currently supported version.metadata-function=lambda_arn, sdk-version=version_number
-
For the
LAMBDA
data catalog type, use one of the following sets of required parameters, but not both.-
If you have one Lambda function that processes metadata and another for reading the actual data, use the following syntax. Both parameters are required.
metadata-function=lambda_arn, record-function=lambda_arn
-
If you have a composite Lambda function that processes both metadata and data, use the following syntax to specify your Lambda function.
function=lambda_arn
-
-
The
GLUE
type takes a catalog ID parameter and is required. Thecatalog_id
is the account ID of the AWS account to which the AWS Glue catalog belongs.catalog-id=catalog_id
-
The
GLUE
data catalog type also applies to the defaultAwsDataCatalog
that already exists in your account, of which you can have only one and cannot modify.
-
Type: String to string map
Key Length Constraints: Minimum length of 1. Maximum length of 255.
Key Pattern:
[\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\t]*
Value Length Constraints: Maximum length of 51200.
Required: No
-
See Also
For more information about using this API in one of the language-specific AWS SDKs, see the following: