Functions/Columns/New-SmallDateTimeColumn.ps1
|
function New-SmallDateTimeColumn { <# .SYNOPSIS Creates a column object representing an SmallDateTime datatype. .DESCRIPTION Use this function in the `Column` script block for `Add-Table`: Add-Table 'Orders' { SmallDateTime 'OrderedAt' } ## ALIASES * SmallDateTime .EXAMPLE Add-Table 'Orders' { New-SmallDateTimeColumn 'OrderedAt' -NotNull } Demonstrates how to create a required `smalldatetime` colum when adding a new table. .EXAMPLE Add-Table 'Orders' { SmallDateTime 'OrderedAt' -Sparse } Demonstrate show to create a nullable, sparse `smalldatetime` column when adding a new table. .EXAMPLE Add-Table 'Orders' { SmallDateTime 'OrderedAt' -NotNull -Default 'getutcdate()' } Demonstrates how to create a `smalldatetime` column with a default value. You only use UTC dates, right? .EXAMPLE Add-Table 'Orders' { SmallDateTime 'OrderedAt' -NotNull -Description 'The time the record was created.' } Demonstrates how to create a `smalldatetime` column a description. #> [CmdletBinding(DefaultParameterSetName='Nullable')] param( [Parameter(Mandatory=$true,Position=0)] [string] # The column's name. $Name, [Parameter(Mandatory=$true,ParameterSetName='NotNull')] [Switch] # Don't allow `NULL` values in this column. $NotNull, [Parameter(ParameterSetName='Nullable')] [Switch] # Store nulls as Sparse. $Sparse, [Parameter()] [string] # A SQL Server expression for the column's default value $Default, [Parameter()] [string] # A description of the column. $Description ) switch ($PSCmdlet.ParameterSetName) { 'Nullable' { $nullable = 'Null' if( $Sparse ) { $nullable = 'Sparse' } [Rivet.Column]::SmallDateTime($Name, $nullable, $Default, $Description) } 'NotNull' { [Rivet.Column]::SmallDateTime($Name,'NotNull', $Default, $Description) } } } Set-Alias -Name 'SmallDateTime' -Value 'New-SmallDateTimeColumn' |