Using the Data Spawner Component

The Data Spawner Component is a source component that is used to generate random data. Generating test data is as easy as specify column names, their spawn types, and the number of rows to generate. 

Add columns by clicking the green '+' button. To configure the column properties, select a column in the data grid view and configure the properties in the property grid to the right. To remove a column, select it in the data grid view and click the red '-' button.

Data Spawner Editor

Number of Rows to Spawn

The number of rows the Data Spawner will generate.

Spawn Type

Displays the Spawner Type selected from the Spawner Properties setting to generate random data.

Spawner Properties

The following are the Spawn Types available for selection, some Spawn Types have additional properties that can be configured:

Spawn Type Description
<Ignore> Every record will be NULL.
Bool This generates a Boolean value. E.g. True or False
City This generates a city name. E.g. Toronto, New York, etc.
CompanyCatchPhrase This generates a company catch phrase.
CompanyName This generates a company name.
Country This generates a country name. E.g. Canada, Germany, etc.

This option allows you to specify your own spawn values. Additional parameters include:

  • List Of Values: specify the available spawn values.
  • Delimiter: specify the delimiter for your list.
  • Spawn Order: specify the order of the spawn values - Random or Sequential.

This generates a date time value. Additional parameters include:

  • Minimum Year: specify the minimum year of spawn date time value.
  • Maximum Year: specify the maximum year of spawn date time value.
DomainName This generates a domain name. E.g.,, etc.
Email This generates a email address.

Use this spawn type to randomly select files from the directory defined. Additional Parameters include:

  • Path To Parent Directory: specify the path of the parent directory which contains sample files.
  • File Selector: specify wildcard characters to select files.
  • Include Subdirectories: specify whether to read files under subfolders.
FirstName This generates a first name. E.g. Bob, John, etc.
FullName This generates a full name. E.g. John Smith, Anne Kiehn, etc.
GUID This generates a GUID value.
IPv4Address This generates a IPv4 address. E.g., etc.
IPv6Address This generates a IPv6 address. E.g. a84:902f:e8ab:e255:e46c:182b:7a27:2bee, etc.

This outputs number incrementally. Additional parameters include:

  • Starting Value: specify the starting number.
  • Incremental Value: specify the value added to the last generated number.
LastName This generates a last name. E.g. Smith, Kiehn, etc.

This generates a decimal number. The number of decimal places is represented by the Decimal Places parameter. Additional parameters include:

  • Minimum Value: specify the minimum value of the spawn range.
  • Maximum Value: specify the maximum value of the spawn range.
  • Decimal Places: specify the number of decimal places. A decimal places of 0 would be an integer, a decimal places of 2 would be a decimal with 2 decimal places.
Paragraph This generates a paragraph.

This generates a random string. Additional parameters include:

  • Valid Characters: specify the valid characters.
  • Minimum Length: specify the minimum length of the random string.
  • Maximum Length: specify the maximum length of the random string.

This generates a row index. Additional Parameters include:

  • Starting Value: specify the starting row index.
  • Incremental Value: specify the value added to the last row index.
Sentence This generates a sentence.
StreetAddress This generates a street address. E.g. 3650 King St., etc.
StreetName This generates a street name. E.g. King St., etc.
URL This generates a URL. E.g.
UkCounty This generates a UK county. E.g. Durham, Avon, etc.
UkPostalCode This generates a UK postal code. E.g. ln4 3xy, fc1 4bd, etc.
UsState This generates a US state. E.g. Georgia, Louisiana, etc.
UsStateAbbreviated This generates a US state abbreviation. E.g. GA, LA, etc.

This generates a zip code. Additional parameter includes:

  • Zip Code Format: specify the format of the spawn zip code value - Random, 5 digit, and 9 digit.
Column Properties

Column properties for the generated field. These values are configurable.

  • Name: Specify the Column name.
  • Data Type: The data type can be changed according.
  • Length: If the data type specified is a string, the length specified here would be the maximum size. If the data type is not a string, the length will be ignored.
  • Precision: Specify the number of digits in a number.
  • Scale: Specify the number of digits to the right of the decimal point in a number.
  • CodePage: Specify the Code Page of the field.
Expression fx Button 

Clicking the fx button to launch SSIS Expression Editor to enable dynamic update of the property at run time.

Generate Documentation Button 

Clicking the Generate Documentation button to generate a Word document which describes the component's metadata including relevant mapping, and so on.