Umbraco helper SQL script - continue adding property to document type after the UI times out

Umbraco-SQL

/* Originally based on script from https://our.umbraco.org/projects/developer-tools/sql-scripts */
/* Use to create missing PropertyData entries if the Umbraco UI gives a timeout error when trying
 * to add a new property to an existing document type */

Declare @ContentTypeAlias nvarchar(255), @PropertyTypeAlias nvarchar(255)

Set @ContentTypeAlias = 'nodeTypeAlias'
Set @PropertyTypeAlias = 'propertyTypeAlias'

Declare @ContentTypeId int, @PropertyTypeId int
Set @ContentTypeId = (	Select top 1 nodeId
					From cmsContentType 
					Where Alias = @ContentTypeAlias )

Set @PropertyTypeId = (	Select top 1 id
					From cmsPropertyType 
					Where Alias = @PropertyTypeAlias AND contentTypeId = @ContentTypeId )

/* Uncomment the following line when ready to insert the records. */
--Insert Into cmsPropertyData (versionId, contentNodeId, propertytypeid)
Select cmsContentVersion.VersionId, cmsContentVersion.ContentId , @PropertyTypeId
From cmsContentVersion
	Inner Join cmsContent on cmsContentVersion.ContentId = cmsContent.nodeId
Where cmsContent.contentType = @ContentTypeId and 
	Not Exists (
		Select versionId, contentNodeId, propertytypeid
		From cmsPropertyData propertyData
		Where propertyData.versionId = cmsContentVersion.versionId
			and propertyData.contentNodeId = cmsContentVersion.ContentId
			and propertyData.propertytypeid = @PropertyTypeId
		)