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dataPreview

Use this resource to preview data during mapping design. By default, the response returns up to ten rows of data for the specified object.

GET request

To request preview data, specify the connection ID or connection name and the object name in the URI. Optionally, you can include field format information in the request.

Use one of the following URIs:

To request source data, use one of the following URIs:

/api/v2/connection/source/<id>/datapreview/<objectName>

/api/v2/connection/source/name/<name>/datapreview/<objectName>

To request target data, use one of the following URIs:

/api/v2/connection/target/<id>/datapreview/<objectName>

/api/v2/connection/target/name/<name>/datapreview/<objectName>

You can receive field metadata in the response for flat file, Avro, Parquet, Orc, or JSON formats. To receive field metadata, include file format information in the request body.

For flat file format, you can include the following information in the flatFileAttrs object:

Field	Type	Required	Description
id	Long	Yes	Field ID.
delimiter	String	Yes	Character used to separate fields.
textQualifier	String	Yes	Quote character that defines the boundaries of text strings.
escapeChar	String	Yes	Character immediately preceding a field delimiter character embedded in an unquoted string, or immediately preceding the quote character in a quoted string.
headerLineNo	Int	Yes	Number of header lines.
firstDataRow	Int	Yes	The row number where the data begins in the file.
rowDelimiter	Int	--	Line break character. Enter the decimal code for an ASCII character between 1 and 32. Default is 10, which is the line feed character.
consecutiveDelimiter	Boolean	--	Indicates whether one or more consecutive delimiters are treated as one. Default is false.
multiDelimitersAsAnd	Boolean	--	If the delimiter you specify is more than one character, indicates whether the characters are treated as a single delimiter or multiple delimiters. Default is true.

For Avro, Parquet, Orc, or JSON formats, include the following information in the dataFormat object:

Field	Type	Required	Description
formatId	String	Yes	Format type, for example, Avro.
schema	String	--	Schema format.

By default, the dataPreview response returns 10 rows. For flat file connections, you can specify the number of rows using the numRows parameter as shown in the following example:

/api/v2/connection/source/<id>/datapreview/?objectName=<object name>&numRows=<number of rows to view>

You can also specify the beginning row using the startRowNum parameter as shown in the following example:

/api/v2/connection/source/<id>/datapreview/?objectName=<object name>&startRowNum=<row number of row to begin with>

If you use the connection name in the URI and the connection name includes a space, replace the space with

%20

. For example:

/api/v2/connection/target/name/my%20connection/datapreview/SF_ACCOUNT.csv

GET response

Returns the dataPreview object for the requested connection ID or connection name and object name.

The dataPreview object includes the following attributes:

Field	Type	Description
connId	String	Connection ID.
objectName	String	Name of the source or target object.
header	String	Column headers.
fieldName	String	Field name.
fieldBusinessName	String	Business field name.
data		Includes the following attribute in the dataPreviewEntry object.
values	String	Included in the dataPreviewEntry object. Field values from the source or target object.

GET request examples

The following example shows a request to preview data from the

SF_ACCOUNT.csv

object:

GET <serverUrl>/api/v2/connection/target/0000010B000000000003/datapreview/SF_ACCOUNT.csv HTTP/1.0
Accept:application/json
icSessionId: <icSessionId>

The following example shows a request to preview data from the

customer.parquet

object.

POST <serverUrl>/api/v2/connection/source/0000010B000000000009/datapreview?objectName=customer.parquet
1.0
Content-Type: application/xml
Accept: application/xml
icSessionId: <icSessionId>
{
    "@type": "dataFormat",
    "dformatId": "Parquet",
    "schema": "message AllData_root { optional int32 c_custkey; optional binary c_name (UTF8); optional binary c_address (UTF8); optional int64 c_nationkey; optional binary c_phone (UTF8); optional double c_acctbal; optional binary c_mktsegment (UTF8); required binary c_comment (UTF8);}"
}

GET response example

You might receive a response similar to the following example:

{

   "@type": "dataPreview",
   "connId": "0000010B000000000003",
   "objectName": "SF_ACCOUNT.csv",
   "header":    [
      "ID",
      "ISDELETED",
      "MASTERRECORDID",
      "NAME",
      "TYPE",
      "PARENTID",
      "BILLINGSTREET",
      "BILLINGCITY",
      "BILLINGSTATE",
      "BILLINGPOSTALCODE",
      "BILLINGCOUNTRY",
      "BILLINGLATITUDE",
      "BILLINGLONGITUDE",
      "SHIPPINGSTREET",
      "SHIPPINGCITY",
      "SHIPPINGSTATE",
      "SHIPPINGPOSTALCODE",
      "SHIPPINGCOUNTRY",
      "SHIPPINGLATITUDE",
      "SHIPPINGLONGITUDE",
      "PHONE",
      "FAX",
      "ACCOUNTNUMBER",
      "WEBSITE"
   ],

   "fieldName":    [
      "ID",
      "ISDELETED",
      "MASTERRECORDID",
      "NAME",
      "TYPE",
      "PARENTID",
      "BILLINGSTREET",
      "BILLINGCITY",
      "BILLINGSTATE",
      "BILLINGPOSTALCODE",
      "BILLINGCOUNTRY",
      "BILLINGLATITUDE",
      "BILLINGLONGITUDE",
      "SHIPPINGSTREET",
      "SHIPPINGCITY",
      "SHIPPINGSTATE",
      "SHIPPINGPOSTALCODE",
      "SHIPPINGCOUNTRY",
      "SHIPPINGLATITUDE",
      "SHIPPINGLONGITUDE",
      "PHONE",
      "FAX",
      "ACCOUNTNUMBER",
      "WEBSITE"
   ],

   "fieldBusinessName":    [
      "ID",
      "ISDELETED",
      "MASTERRECORDID",
      "NAME",
      "TYPE",
      "PARENTID",
      "BILLINGSTREET",
      "BILLINGCITY",
      "BILLINGSTATE",
      "BILLINGPOSTALCODE",
      "BILLINGCOUNTRY",
      "BILLINGLATITUDE",
      "BILLINGLONGITUDE",
      "SHIPPINGSTREET",
      "SHIPPINGCITY",
      "SHIPPINGSTATE",
      "SHIPPINGPOSTALCODE",
      "SHIPPINGCOUNTRY",
      "SHIPPINGLATITUDE",
      "SHIPPINGLONGITUDE",
      "PHONE",
      "FAX",
      "ACCOUNTNUMBER",
      "WEBSITE"
   ],

   "rows":    [
            {
         "@type": "dataPreviewEntry",
         "values":          [
            "001i000000KIAQGAA5",
            "0",
            "",
            "ABCPoint",
            "Customer - Channel",
            "",
            "345 ABC Park",
            "Mountain View",
            "CA",
            "94063",
            "",
            "",
            "",
            "345 ABC Park",
            "Mountain View",
            "CA",
            "94063",
            "",
            "",
            "",
            "(650) 555-3450",
            "(650) 555-9895",
            "CC978213",
            "www.ABCpoint.com"
         ]
      },

            {
         "@type": "dataPreviewEntry",
         "values":          [
            "001i000000KIAQHAA5",
            "0",
            "",
            "123 United, UK",
            "Customer - Direct",
            "",
            "123 Estate,\nGateshead, Tyne and Wear NE26 3HS\nUnited Kingdom",
            "",
            "UK",
            "94063",
            "",
            "",
            "",
            "123 Estate,\nGateshead, Tyne and Wear NE26 3HS\nUnited Kingdom",
            "",
            "",
            "94063",
            "",
            "",
            "",
            "+44 123 4567899",
            "+44 123 4567899",
            "CD355119-A",
            "http://www.123United.com"
         ]

      }

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