Public/Clear-Neo4j.ps1
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function Clear-Neo4j { <# .SYNOPSIS Remove all nodes, relationships, constraints, and indexes .DESCRIPTION Remove all nodes, relationships, constraints, and indexes .EXAMPLE Clear-Neo4j .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 ($Response.results.data.row) We default to the value specified by Set-PSNeo4jConfiguration (Initially, 'Parsed') See ConvertFrom-Neo4jResponse for implementation details .PARAMETER MetaProperties Merge zero or any combination of these corresponding meta properties in the results: 'id', 'type', 'deleted' We default to the value specified by Set-PSNeo4jConfiguration (Initially, 'type') .PARAMETER MergePrefix If any MetaProperties are specified, we add this prefix to avoid clobbering existing neo4j properties We default to the value specified by Set-PSNeo4jConfiguration (Initially, 'Neo4j') .PARAMETER BaseUri BaseUri to build REST endpoint Uris from We default to the value specified by Set-PSNeo4jConfiguration (Initially, 'http://127.0.0.1:7474') .PARAMETER Credential PSCredential to use for auth We default to the value specified by Set-PSNeo4jConfiguration (Initially, not specified) .FUNCTIONALITY Neo4j #> [cmdletbinding()] param( [validateset('Raw', 'Results', 'Row', 'Parsed', 'ParsedColumns')] [string]$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 ) $SchemaQuery = [System.Collections.ArrayList]@() $Constraints = @( Get-Neo4jConstraint ) foreach($Constraint in $Constraints) { $Prop = @($Constraint.psobject.properties.name) if($Prop.count -eq 1 -and $Prop-like 'd' -and $Prop.d) { [void]$SchemaQuery.add("DROP $($Constraint.$Prop)") } } $Indices = @( Get-Neo4jIndex ) foreach($Index in $Indices) { $Prop = @($Index.psobject.properties.name) if($Prop -contains 'description') { [void]$SchemaQuery.add("DROP $($Index.description)") } } Write-Verbose "SchemaQuery: [$SchemaQuery]" $Params = . Get-ParameterValues -BoundParameters $PSBoundParameters -Invocation $MyInvocation -Properties MetaProperties, MergePrefix, Credential, BaseUri, As Invoke-Neo4jQuery @Params -Query 'MATCH (n) DETACH DELETE n' Invoke-Neo4jQuery @Params -Query $SchemaQuery } |