Bulk importing JSON into SQL Server - json

Question

I need to bulk import data into a SQL Server database.
My JSON looks like this:
$projectsJSON = #"
[
{
"id": 35,
"created_at": "2016-01-12T11:40:36+01:00",
"customer_id": 34,
"name": ".com",
"note": "COMXXXX-",
"updated_at": "2016-07-15T12:13:54+02:00",
"archived": false,
"customer_name": "PMName"
},
{
"id": 23,
"created_at": "2010-01-11T12:58:50+01:00",
"customer_id": 43,
"name": "PN",
"note": "{\r\n \"Billable\": 1\r\n}\r\n",
"updated_at": "2017-11-24T15:49:31+01:00",
"archived": false,
"customer_name": "MSM"
}
]
"#
$projects = $projectsJSON |ConvertFrom-Json
$dt2 = New-Object system.Data.DataTable
$dt2 = $projects|select-object id, created_at, customer_id, name, note, updated_at, archived, customer_name
$bulkCopy = New-Object Data.SqlClient.SqlBulkCopy($DestConnStr, [System.Data.SqlClient.SqlBulkCopyOptions]::KeepIdentity)
$bulkCopy.BulkCopyTimeout = 600
$bulkCopy.DestinationTableName = "project"
$bulkCopy.WriteToServer($dt2)
Unfortunatelly, I keep getting this error:
Cannot convert argument "rows", with value: "System.Object[]", for
"WriteToServer" to type "System.Data.DataRow[]": "Cannot convert the
"#{id=35; created_at=2016-01-12T11:40:36+01:00; customer_id=34;
name=.com; note=COMXXXX-; updated_at=2016-07-15T12:13:54+02:00;
archived=False; customer_name=PMName}" value of type
"Selected.System.Management.Automation.PSCustomObject" to type
"System.Data.DataRow"." At P:\PsideSync\sync.ps1:261 char:3
+ $bulkCopy.WriteToServer($dt2)
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : NotSpecified: (:) [], MethodException
+ FullyQualifiedErrorId : MethodArgumentConversionInvalidCastArgument
What would be the right way to import lots of JSON Data into SQL Server?
TIA

Answer 1

As #IRon notes you are filling $dt2 twice. I assume you want to go with the second initialization.
You could get Out-DataTable from here: https://gallery.technet.microsoft.com/scriptcenter/4208a159-a52e-4b99-83d4-8048468d29dd
Then it's just a matter of calling
$projects = $projectsJSON |ConvertFrom-Json
$dt2 = $projects|select-object id, created_at, customer_id, name, note, updated_at, archived, customer_name
$bulkCopy = New-Object Data.SqlClient.SqlBulkCopy($DestConnStr, [System.Data.SqlClient.SqlBulkCopyOptions]::KeepIdentity)
$bulkCopy.BulkCopyTimeout = 600
$bulkCopy.DestinationTableName = "project"
$bulkCopy.WriteToServer($dt2 | Out-DataTable)
Disclaimer: I haven't tried this myself.