![]() ![]() Prerequisite Tasks To use these operators, you must do a few things: Create necessary resources using AWS Console or AWS CLI. ![]() You can find more information to the COPY command used here. Note If the table does not exist yet, it will be automatically created for you using the Parquet metadata to infer the columns data types. Use the S3ToRedshiftOperator transfer to copy the data from an Amazon Simple Storage Service (S3) file into an Amazon Redshift table. This operator loads data from Amazon S3 to an existing Amazon Redshift table. Thus, you need to use an IAM Role, even if the files were stored in your own AWS account. Load Parquet files from S3 to a Table on Amazon Redshift (Through COPY command). This would mean using either of: CREDENTIALS 'aws_iam_role=arn:aws:iam:::role/' With this update, Redshift now supports COPY from six file formats: AVRO, CSV, JSON, Parquet, ORC and TXT. According to COPY from columnar data formats - Amazon Redshift, it seems that loading data from Parquet format requires use of an IAM Role rather than IAM credentials:ĬOPY command credentials must be supplied using an AWS Identity and Access Management (IAM) role as an argument for the IAM_ROLE parameter or the CREDENTIALS parameter. ![]()
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