这种错误通常出现在尝试使用RDS与S3集成时。要解决此问题,您需要启用S3_INTEGRATION特性。您可以通过以下步骤启用S3_INTEGRATION特性:
这样,您就启用了S3_INTEGRATION特性,这种错误将不再出现。以下是示例代码,用于在存储过程中上传文件到S3:
CREATE DEFINER=user
@%
PROCEDURE upload_to_s3
(
IN file_name
VARCHAR(255)
)
BEGIN
DECLARE s3_bucket VARCHAR(64);
DECLARE s3_key VARCHAR(2000);
SET s3_bucket = 'my_bucket';
SET s3_key = CONCAT('path/to/files/', file_name);
CALL mysql.rds_set_external_master (
's3.amazonaws.com',
443,
'secure_connection_option=1&use_ssl=1&ca_cert=/rdsdbdata/rds-metadata/ca-cert.pem&auth_scheme=MYSQLAWS&master_user=user&master_password=password&aws_region=us-east-1&s3_instant_bucket_access=1&s3_use_role=1',
NULL,
NULL,
NULL,
NULL,
NULL,
NULL
);
CALL mysql.rds_import_data_from_s3 (
s3_bucket,
s3_key,
'ACCESS_KEY_ID',
'SECRET_ACCESS_KEY',
REPLACE,
'delimiter=\t',
'lines-terminated-by=\n',
NULL,
NULL,
NULL,
1