Public/Add-Neo4jConstraint.ps1
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function Add-Neo4jConstraint { [cmdletbinding(DefaultParameterSetName = 'Node')] param( [parameter(ParameterSetName = 'Node')] [string]$Label, # Injection alert [parameter(ParameterSetName = 'Relationship')] [string]$Relationship, # Injection alert [string[]]$Property, # Injection alert [parameter(ParameterSetName = 'Node')] [switch]$Unique, [parameter(ParameterSetName = 'Node')] [switch]$Exists, [validateset('Raw', 'Results', 'Row', 'Parsed')] [string]$As = $PSNeo4jConfig.As, [validateset('id', 'type', 'deleted')] [string]$MetaProperties = $PSNeo4jConfig.MetaProperties, [string]$MergePrefix = $PSNeo4jConfig.MergePrefix, [string]$BaseUri = $PSNeo4jConfig.BaseUri, [ValidateNotNull()] [System.Management.Automation.PSCredential] [System.Management.Automation.Credential()] $Credential = $PSNeo4jConfig.Credential ) $Query = [System.Collections.ArrayList]@() if($PSCmdlet.ParameterSetName -eq 'Node') { write-verbose 'NODE' if($Unique) { Foreach($Prop in $Property) { write-verbose $prop [void]$Query.add("CREATE CONSTRAINT ON (l:$Label) ASSERT l.$Prop IS UNIQUE") } } If($Exists) { Foreach($Prop in $Property) { # Requires enterprise. Interesting write-verbose $prop [void]$Query.add("CREATE CONSTRAINT ON (l:$Label) ASSERT exists(l.$Prop)") } } } if($PSCmdlet.ParameterSetName -eq 'Relationship') { write-verboe 'relationship' Foreach($Prop in $Property) { # Requires enterprise. Interesting [void]$Query.add("CREATE CONSTRAINT ON ()-[l:$Relationship]-() ASSERT exists(l.$Prop)") } } # TOOO: http://neo4j.com/docs/developer-manual/current/cypher/schema/constraints/#constraints-drop-a-node-key Write-Verbose "Query: [$Query]" $Params = . Get-ParameterValues -Properties As, MetaProperties, MergePrefix, Credential, BaseUri Invoke-Neo4jQuery @Params -Query $Query } |