AWS::Glue::Classifier CsvClassifier - Amazon CloudFormation
SyntaxPropertiesExamples
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AWS::Glue::Classifier CsvClassifier

A classifier for custom CSV content.

Syntax

To declare this entity in your Amazon CloudFormation template, use the following syntax:

JSON

{
  "AllowSingleColumn" : Boolean,
  "ContainsHeader" : String,
  "Delimiter" : String,
  "DisableValueTrimming" : Boolean,
  "Header" : [ String, ... ],
  "Name" : String,
  "QuoteSymbol" : String
}

YAML

  AllowSingleColumn: Boolean
  ContainsHeader: String
  Delimiter: String
  DisableValueTrimming: Boolean
  Header: 
    - String
  Name: String
  QuoteSymbol: String

Properties

AllowSingleColumn

Enables the processing of files that contain only one column.

Required: No

Type: Boolean

Update requires: No interruption

ContainsHeader

Indicates whether the CSV file contains a header.

A value of UNKNOWN specifies that the classifier will detect whether the CSV file contains headings.

A value of PRESENT specifies that the CSV file contains headings.

A value of ABSENT specifies that the CSV file does not contain headings.

Required: No

Type: String

Allowed values: ABSENT | PRESENT | UNKNOWN

Update requires: No interruption

Delimiter

A custom symbol to denote what separates each column entry in the row.

Required: No

Type: String

Minimum: 1

Maximum: 1

Pattern: [^\r\n]

Update requires: No interruption

DisableValueTrimming

Specifies not to trim values before identifying the type of column values. The default value is true.

Required: No

Type: Boolean

Update requires: No interruption

Header

A list of strings representing column names.

Required: No

Type: List of String

Update requires: No interruption

Name

The name of the classifier.

Required: No

Type: String

Minimum: 1

Maximum: 255

Pattern: [\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\t]*

Update requires: Replacement

QuoteSymbol

A custom symbol to denote what combines content into a single column value. It must be different from the column delimiter.

Required: No

Type: String

Minimum: 1

Maximum: 1

Pattern: [^\r\n]

Update requires: No interruption

Examples

Create a custom classifier test

With AWS::Glue::Classifier you can create a custom classifier test.

JSON

{
    "Description": "Amazon Glue custom classifier test",
    "Resources": {
        "MyCSVclassifier": {
            "Type": "AWS::Glue::Classifier",
            "Properties": {
                "CsvClassifier": {
                    "AllowSingleColumn": true,
                    "ContainsHeader": "PRESENT",
                    "Delimiter": ",",
                    "Header": [
                        "id",
                        "name"
                    ],
                    "Name": "csvclassify",
                    "QuoteSymbol": "\""
                }
            }
        }
    }
}

YAML

Description: Amazon Glue custom classifier test
Resources:
  MyCSVclassifier:
    Type: 'AWS::Glue::Classifier'
    Properties:
      CsvClassifier:
        AllowSingleColumn: true
        ContainsHeader: PRESENT
        Delimiter: ','
        Header:
          - id
          - name
        Name: csvclassify
        QuoteSymbol: '"'