Public/Remove-Neo4jNode.ps1
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function Remove-Neo4jNode { <# .SYNOPSIS Remove Neo4j nodes .DESCRIPTION Remove Neo4j nodes .EXAMPLE @{ComputerName = 'web01'} | Remove-Neo4jNode -Label Server # Remove a node with the label 'Server' and ComputerName 'web01' .EXAMPLE Remove-Neo4jNode -Label Server -Detach -Hash @{ ComputerName = 'web01' } # Remove a node with the label 'Server' and ComputerName 'web01', and any relationships to or from it. .PARAMETER Label Remove nodes with this label Warning: susceptible to query injection .PARAMETER Hash One or more hashtables containing properties and values corresponding to nodes we will delete Warning: susceptible to query injection (keys only. values are parameterized) .PARAMETER Detach If specified, remove any relationships to or from the nodes being deleted .PARAMETER As Parse the Neo4j response as... Parsed: We attempt to parse the output into friendlier PowerShell objects Please open an issue if you see unexpected output with this Raw: We don't touch the response ($Response) Results: We expand the 'results' property on the response ($Response.results) Row: We expand the 'row' property on the responses results ($Response.results.data.row) We default to the value specified by Set-PSNeo4jConfiguration (Initially, 'Parsed') See ConvertFrom-Neo4jResponse for implementation details .PARAMETER MetaProperties Merge zero or any combination of these corresponding meta properties in the results: 'id', 'type', 'deleted' We default to the value specified by Set-PSNeo4jConfiguration (Initially, 'type') .PARAMETER MergePrefix If any MetaProperties are specified, we add this prefix to avoid clobbering existing neo4j properties We default to the value specified by Set-PSNeo4jConfiguration (Initially, 'Neo4j') .PARAMETER BaseUri BaseUri to build REST endpoint Uris from We default to the value specified by Set-PSNeo4jConfiguration (Initially, 'http://127.0.0.1:7474') .PARAMETER Credential PSCredential to use for auth We default to the value specified by Set-PSNeo4jConfiguration (Initially, not specified) .FUNCTIONALITY Neo4j #> [cmdletbinding()] param( [string]$Label, [parameter(ValueFromPipeline=$True)] [hashtable[]]$Hash, [switch]$Detach, [validateset('Raw', 'Results', 'Row', 'Parsed')] [string]$As = $PSNeo4jConfig.As, [validateset('id', 'type', 'deleted')] [string]$MetaProperties = $PSNeo4jConfig.MetaProperties, [string]$MergePrefix = $PSNeo4jConfig.MergePrefix, [string]$BaseUri = $PSNeo4jConfig.BaseUri, [System.Management.Automation.PSCredential] [System.Management.Automation.Credential()] $Credential = $PSNeo4jConfig.Credential ) begin { $DetachString = $null if($Detach) {$DetachString = 'DETACH '} write-verbose "$Detach and [$DetachString]" $Queries = [System.Collections.ArrayList]@() $Count = 0 } process { foreach($PropHash in $Hash) { $InvokeParams = @{} $SQLParams = @{} $PropString = $null if($Hash.keys.count -gt 0) { $Props = foreach($Property in $PropHash.keys) { "$Property`: `$delete$Count$Property" $SQLParams.Add("delete$Count$Property", $PropHash[$Property]) } $PropString = $Props -join ', ' $PropString = "{$PropString}" } $Query = "MATCH (delete:$Label $PropString)" $Count++ [void]$Queries.Add("$Query $DetachString DELETE delete") } } end { if($SQLParams.Keys.count -gt 0) { $InvokeParams.add('Parameters', $SQLParams) } $InvokeParams.add('Query', $Queries) $Params = . Get-ParameterValues -Properties MetaProperties, MergePrefix, Credential, BaseUri, As Write-Verbose "$($Params | Format-List | Out-String)" Invoke-Neo4jQuery @Params @InvokeParams } } |