src/Get-Single.psm1
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using namespace Dapper using namespace System.Data using module ./Mapping/ConvertFrom-Record.psm1 <# .SYNOPSIS Executes a parameterized SQL query and returns the single row. .PARAMETER Connection The connection to the data source. .PARAMETER Command The SQL query to be executed. .PARAMETER Parameters The parameters of the SQL query. .OUTPUTS The single row. If not found: throws an error if `-ErrorAction` is set to `Stop`, otherwise returns `$null`. #> function Get-Single { [CmdletBinding()] [OutputType([psobject])] param ( [Parameter(Mandatory, Position = 0)] [IDbConnection] $Connection, [Parameter(Mandatory, Position = 1)] [string] $Command, [Parameter(Position = 2)] [ValidateNotNull()] [hashtable] $Parameters = @{} ) $dynamicParameters = [DynamicParameters]::new() foreach ($key in $Parameters.Keys) { $dynamicParameters.Add($key, $Parameters.$key) } if ($ErrorActionPreference -eq "Stop") { $record = [SqlMapper]::QuerySingle($Connection, $Command, $dynamicParameters) } else { $record = [SqlMapper]::QuerySingleOrDefault($Connection, $Command, $dynamicParameters) } $record ? (ConvertFrom-Record $record) : $null } |