The table has 5 fields: id, userid, postid, comments, commentdate, as shown here: We will create the table in the example above. In general, it helps to make the behaviour deterministic if we try to export and import data in formats that are consistent. Consider a comments table that keeps track of the users’ comments. You can try: Remove ESCAPE if it is not really needed. If a set of options is not able to consistently copy data, then pre-process the file to make it consistent. Redshift is interpreting the backslash as an escape since you have specified ESCAPE in your COPY.The default quote character is a double quotation. Try copying the file without specifying the CSV option, and fine tuning the delimiter and escape and quoting behaviour with the corresponding copy options. If the quote character appears within a quoted string, you need to escape it by doubling the quote character.The permissions needed are similar to the COPY command. For the UNLOAD command to succeed, at least SELECT privilege on the data in the database is needed, along with permission to write to the Amazon S3 location. CSV file as the case may just be, then we have the following options. For more information and example scenarios about using the UNLOAD command, see Unloading data. If the file that we are trying to import is not a valid CSV, and is just named as a. If double-quotes are used to enclose fields, then a double-quoteĪppearing inside a field must be escaped by preceding it with Create a Lambda function to stream the data in, modify it, and push back to S3. Remember to have an S3 endpoint in your VPC. This is also as per the CSV RFC specification. Here are a few: Fire up an EC2 instance and do the download-modify-upload process to this system inside of AWS. This also assumes that all columns having the quote character in the value will have the quote character escaped by another preceding quote character. So a valid CSV can have multi-line rows, and the correct way to import it in Redshift is to specify the CSV format option. If you’ve been around the Amazon Redshift block a time or two, you’re probably familiar with Redshift’s COPY command.Well, allow us to introduce you to its partner in crime: the UNLOAD command. In my case, there was a newline in the text column value.Īs per RFC 4180 the specification of CSV says,įields containing line breaks (CRLF), double quotes, and commas The error "Delimited value missing end quote" can be reported in cases where a quoted text column is missing the end quote, or if the text column value has a new line in the value itself. Disclaimer - Even though this post does not answer the question asked here, I am posting this analysis in case it helps some one.
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