要解决"Athena连接器在AWSCatalog下没有显示任何数据集"的问题,您可以尝试以下代码示例中的解决方法:
import boto3
iam_client = boto3.client('iam')
# 创建IAM策略
policy_document = {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"athena:GetQueryExecution",
"athena:GetQueryResults",
"athena:GetWorkGroup",
"athena:StartQueryExecution",
"athena:StopQueryExecution",
"athena:ListQueryExecutions",
"athena:ListNamedQueries",
"athena:ListWorkGroups",
"athena:CreateNamedQuery",
"athena:DeleteNamedQuery",
"athena:UpdateWorkGroup",
"athena:ListDataCatalogs",
"athena:ListDatabases",
"athena:ListTableMetadata",
"athena:GetTableMetadata",
"athena:ListTagsForResource"
],
"Resource": [
"arn:aws:athena:us-west-2:123456789012:workgroup/*",
"arn:aws:athena:us-west-2:123456789012:query/*",
"arn:aws:athena:us-west-2:123456789012:datacatalog/*"
]
},
{
"Effect": "Allow",
"Action": [
"glue:GetTable",
"glue:GetTables",
"glue:GetDatabase",
"glue:GetDatabases"
],
"Resource": "*"
}
]
}
response = iam_client.create_policy(
PolicyName='AthenaAccessPolicy',
PolicyDocument=json.dumps(policy_document)
)
policy_arn = response['Policy']['Arn']
# 将IAM策略附加到用户或角色
response = iam_client.attach_user_policy(
UserName='your_username',
PolicyArn=policy_arn
)
import boto3
athena_client = boto3.client('athena')
response = athena_client.create_data_catalog(
Name='my_data_catalog',
Type='GLUE',
Parameters={
'Catalog': 'my_glue_data_catalog'
}
)
请根据实际情况修改上述代码示例中的参数,并确保您使用的是正确的AWS区域。
import boto3
glue_client = boto3.client('glue')
response = glue_client.create_table(
DatabaseName='my_database',
TableInput={
'Name': 'my_table',
'Description': 'My table',
'TableType': 'EXTERNAL_TABLE',
'Parameters': {
'classification': 'json'
},
'StorageDescriptor': {
'Location': 's3://my-bucket/my-table',
'InputFormat': 'org.apache.hadoop.mapred.TextInputFormat',
'OutputFormat': 'org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat',
'SerdeInfo': {
'SerializationLibrary': 'org.openx.data.jsonserde.JsonSerDe'
},
'Columns': [
{
'Name': 'column1',
'Type': 'string'
},
{
'Name': 'column2',
'Type': 'int'
}
]
}
}
)
请根据实际情况修改上述代码示例中的参数,并确保您的数据集位于正确的S3位置。
通过执行上述解决方法中的代码示例,您应该能够解决"Athena连接器在AWSCatalog下没有显示任何数据集"的问题。