486 lines
15 KiB
PowerShell
486 lines
15 KiB
PowerShell
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# Copyright (c) Microsoft Corporation. All rights reserved.
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$InitialDatabase = '0'
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$installPath = $args[0]
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$knownExceptions = @(
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'System.Data.Entity.Migrations.Infrastructure.MigrationsException',
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'System.Data.Entity.Migrations.Infrastructure.AutomaticMigrationsDisabledException',
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'System.Data.Entity.Migrations.Infrastructure.AutomaticDataLossException'
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)
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<#
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.SYNOPSIS
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Enables Code First Migrations in a project.
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.DESCRIPTION
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Enables Migrations by scaffolding a migrations configuration class in the project. If the
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target database was created by an initializer, an initial migration will be created (unless
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automatic migrations are enabled via the EnableAutomaticMigrations parameter).
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.PARAMETER EnableAutomaticMigrations
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Specifies whether automatic migrations will be enabled in the scaffolded migrations configuration.
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If ommitted, automatic migrations will be disabled.
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.PARAMETER ProjectName
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Specifies the project that the scaffolded migrations configuration class will
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be added to. If omitted, the default project selected in package manager
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console is used.
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.PARAMETER Force
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Specifies that the migrations configuration be overwritten when running more
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than once for a given project.
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#>
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function Enable-Migrations
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{
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[CmdletBinding(DefaultParameterSetName = 'ProjectName')]
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param (
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[alias("Auto")]
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[switch] $EnableAutomaticMigrations,
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[string] $ProjectName,
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[switch] $Force
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)
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try
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{
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$commands = New-MigrationsCommandsNoConfiguration $ProjectName
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$commands.EnableMigrations($EnableAutomaticMigrations, $Force)
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}
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catch [Exception]
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{
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$exception = $_.Exception
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$exceptionType = $exception.GetType()
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if ($exceptionType.FullName -eq 'System.Data.Entity.Migrations.Design.ToolingException')
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{
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if ($knownExceptions -notcontains $exception.InnerType)
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{
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Write-Host $exception.InnerStackTrace
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}
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}
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elseif (!(Test-TypeInherits $exceptionType 'System.Data.Entity.Migrations.Infrastructure.MigrationsException'))
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{
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Write-Host $exception
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}
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throw $exception.Message
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}
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}
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<#
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.SYNOPSIS
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Scaffolds a migration script for any pending model changes.
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.DESCRIPTION
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Scaffolds a new migration script and adds it to the project.
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.PARAMETER Name
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Specifies the name of the custom script.
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.PARAMETER Force
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Specifies that the migration user code be overwritten when re-scaffolding an
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existing migration.
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.PARAMETER ProjectName
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Specifies the project that contains the migration configuration type to be
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used. If ommitted, the default project selected in package manager console
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is used.
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.PARAMETER StartUpProjectName
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Specifies the configuration file to use for named connection strings. If
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omitted, the specified project's configuration file is used.
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.PARAMETER ConfigurationTypeName
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Specifies the migrations configuration to use. If omitted, migrations will
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attempt to locate a single migrations configuration type in the target
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project.
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.PARAMETER ConnectionStringName
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Specifies the name of a connection string to use from the application's
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configuration file.
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.PARAMETER ConnectionString
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Specifies the the connection string to use. If omitted, the context's
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default connection will be used.
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.PARAMETER ConnectionProviderName
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Specifies the provider invariant name of the connection string.
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#>
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function Add-Migration
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{
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[CmdletBinding(DefaultParameterSetName = 'ConnectionStringName')]
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param (
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[parameter(Position = 0,
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Mandatory = $true)]
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[string] $Name,
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[switch] $Force,
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[string] $ProjectName,
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[string] $StartUpProjectName,
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[string] $ConfigurationTypeName,
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[parameter(ParameterSetName = 'ConnectionStringName')]
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[string] $ConnectionStringName,
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[parameter(ParameterSetName = 'ConnectionStringAndProviderName',
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Mandatory = $true)]
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[string] $ConnectionString,
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[parameter(ParameterSetName = 'ConnectionStringAndProviderName',
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Mandatory = $true)]
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[string] $ConnectionProviderName)
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try
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{
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$commands = New-MigrationsCommands $ProjectName $StartUpProjectName $ConfigurationTypeName $ConnectionStringName $ConnectionString $ConnectionProviderName
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$commands.AddMigration($Name, $Force)
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}
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catch [Exception]
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{
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$exception = $_.Exception
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$exceptionType = $exception.GetType()
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if ($exceptionType.FullName -eq 'System.Data.Entity.Migrations.Design.ToolingException')
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{
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if ($knownExceptions -notcontains $exception.InnerType)
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{
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Write-Host $exception.InnerStackTrace
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}
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}
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elseif (!(Test-TypeInherits $exceptionType 'System.Data.Entity.Migrations.Infrastructure.MigrationsException'))
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{
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Write-Host $exception
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}
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throw $exception.Message
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}
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}
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<#
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.SYNOPSIS
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Applies any pending migrations to the database.
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.DESCRIPTION
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Updates the database to the current model by applying pending migrations.
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.PARAMETER SourceMigration
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Only valid with -Script. Specifies the name of a particular migration to use
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as the update's starting point. If ommitted, the last applied migration in
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the database will be used.
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.PARAMETER TargetMigration
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Specifies the name of a particular migration to update the database to. If
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ommitted, the current model will be used.
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.PARAMETER Script
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Generate a SQL script rather than executing the pending changes directly.
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.PARAMETER Force
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Specifies that data loss is acceptable during automatic migration of the
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database.
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.PARAMETER ProjectName
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Specifies the project that contains the migration configuration type to be
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used. If ommitted, the default project selected in package manager console
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is used.
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.PARAMETER StartUpProjectName
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Specifies the configuration file to use for named connection strings. If
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omitted, the specified project's configuration file is used.
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.PARAMETER ConfigurationTypeName
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Specifies the migrations configuration to use. If omitted, migrations will
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attempt to locate a single migrations configuration type in the target
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project.
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.PARAMETER ConnectionStringName
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Specifies the name of a connection string to use from the application's
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configuration file.
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.PARAMETER ConnectionString
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Specifies the the connection string to use. If omitted, the context's
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default connection will be used.
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.PARAMETER ConnectionProviderName
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Specifies the provider invariant name of the connection string.
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#>
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function Update-Database
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{
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[CmdletBinding(DefaultParameterSetName = 'ConnectionStringName')]
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param (
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[string] $SourceMigration,
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[string] $TargetMigration,
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[switch] $Script,
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[switch] $Force,
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[string] $ProjectName,
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[string] $StartUpProjectName,
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[string] $ConfigurationTypeName,
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[parameter(ParameterSetName = 'ConnectionStringName')]
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[string] $ConnectionStringName,
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[parameter(ParameterSetName = 'ConnectionStringAndProviderName',
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Mandatory = $true)]
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[string] $ConnectionString,
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[parameter(ParameterSetName = 'ConnectionStringAndProviderName',
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Mandatory = $true)]
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[string] $ConnectionProviderName)
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# TODO: If possible, convert this to a ParameterSet
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if ($SourceMigration -and !$script)
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{
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throw '-SourceMigration can only be specified with -Script.'
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}
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try
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{
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$commands = New-MigrationsCommands $ProjectName $StartUpProjectName $ConfigurationTypeName $ConnectionStringName $ConnectionString $ConnectionProviderName
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$commands.UpdateDatabase($SourceMigration, $TargetMigration, $Script, $Force)
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}
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catch [Exception]
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{
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$exception = $_.Exception
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$exceptionType = $exception.GetType()
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if ($exceptionType.FullName -eq 'System.Data.Entity.Migrations.Design.ToolingException')
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{
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if ($knownExceptions -notcontains $exception.InnerType)
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{
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Write-Host $exception.InnerStackTrace
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}
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}
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elseif (!(Test-TypeInherits $exceptionType 'System.Data.Entity.Migrations.Infrastructure.MigrationsException'))
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{
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Write-Host $exception
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}
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throw $exception.Message
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}
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}
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<#
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.SYNOPSIS
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Displays the migrations that have been applied to the target database.
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.DESCRIPTION
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Displays the migrations that have been applied to the target database.
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.PARAMETER ProjectName
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Specifies the project that contains the migration configuration type to be
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used. If ommitted, the default project selected in package manager console
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is used.
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.PARAMETER StartUpProjectName
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Specifies the configuration file to use for named connection strings. If
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omitted, the specified project's configuration file is used.
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.PARAMETER ConfigurationTypeName
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Specifies the migrations configuration to use. If omitted, migrations will
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attempt to locate a single migrations configuration type in the target
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project.
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.PARAMETER ConnectionStringName
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Specifies the name of a connection string to use from the application's
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configuration file.
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.PARAMETER ConnectionString
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Specifies the the connection string to use. If omitted, the context's
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default connection will be used.
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.PARAMETER ConnectionProviderName
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Specifies the provider invariant name of the connection string.
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#>
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function Get-Migrations
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{
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[CmdletBinding(DefaultParameterSetName = 'ConnectionStringName')]
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param (
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[string] $ProjectName,
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[string] $StartUpProjectName,
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[string] $ConfigurationTypeName,
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[parameter(ParameterSetName = 'ConnectionStringName')]
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[string] $ConnectionStringName,
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[parameter(ParameterSetName = 'ConnectionStringAndProviderName',
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Mandatory = $true)]
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[string] $ConnectionString,
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[parameter(ParameterSetName = 'ConnectionStringAndProviderName',
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Mandatory = $true)]
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[string] $ConnectionProviderName)
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try
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{
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$commands = New-MigrationsCommands $ProjectName $StartUpProjectName $ConfigurationTypeName $ConnectionStringName $ConnectionString $ConnectionProviderName
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$commands.GetMigrations()
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}
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catch [Exception]
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{
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$exception = $_.Exception
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$exceptionType = $exception.GetType()
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if ($exceptionType.FullName -eq 'System.Data.Entity.Migrations.Design.ToolingException')
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{
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if ($knownExceptions -notcontains $exception.InnerType)
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{
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Write-Host $exception.InnerStackTrace
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}
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}
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elseif (!(Test-TypeInherits $exceptionType 'System.Data.Entity.Migrations.Infrastructure.MigrationsException'))
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{
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Write-Host $exception
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}
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throw $exception.Message
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}
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}
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function New-MigrationsCommandsNoConfiguration($ProjectName)
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{
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$project = Get-MigrationsProject $ProjectName
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Build-Project $project
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Load-EntityFramework
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try
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{
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return New-Object 'System.Data.Entity.Migrations.MigrationsCommands' @(
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$project,
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$project,
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$null,
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$null,
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$null,
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$null,
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$PSCmdlet )
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}
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catch [System.Management.Automation.MethodInvocationException]
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{
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throw $_.Exception.InnerException
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}
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}
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function New-MigrationsCommands($ProjectName, $StartUpProjectName, $ConfigurationTypeName, $ConnectionStringName, $ConnectionString, $ConnectionProviderName)
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{
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$project = Get-MigrationsProject $ProjectName
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$startUpProject = Get-MigrationsStartUpProject $StartUpProjectName
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Build-Project $project
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Build-Project $startUpProject
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Load-EntityFramework
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try
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{
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return New-Object 'System.Data.Entity.Migrations.MigrationsCommands' @(
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$project,
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$startUpProject,
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$ConfigurationTypeName,
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$ConnectionStringName,
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$ConnectionString,
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$ConnectionProviderName,
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$PSCmdlet )
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}
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catch [System.Management.Automation.MethodInvocationException]
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{
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throw $_.Exception.InnerException
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}
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}
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function Get-MigrationsProject($name)
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{
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if ($name)
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{
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return Get-SingleProject $name
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}
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$project = Get-Project
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Write-Verbose ('Using NuGet project ''' + $project.Name + '''.')
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return $project
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}
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function Get-MigrationsStartUpProject($name)
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{
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if ($name)
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{
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return Get-SingleProject $name
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}
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$startupProjectPaths = $DTE.Solution.SolutionBuild.StartupProjects
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if (!$startupProjectPaths)
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{
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||
|
|
throw 'No start-up project found. Please use the -StartupProject parameter.'
|
||
|
|
}
|
||
|
|
if ($startupProjectPaths.Length -gt 1)
|
||
|
|
{
|
||
|
|
throw 'More than one start-up project found. Please use the -StartUpProject parameter.'
|
||
|
|
}
|
||
|
|
|
||
|
|
$startupProjectPath = $startupProjectPaths[0]
|
||
|
|
|
||
|
|
if (!(Split-Path -IsAbsolute $startupProjectPath))
|
||
|
|
{
|
||
|
|
$solutionPath = Split-Path $DTE.Solution.Properties.Item('Path').Value
|
||
|
|
$startupProjectPath = Join-Path $solutionPath $startupProjectPath -Resolve
|
||
|
|
}
|
||
|
|
|
||
|
|
$startupProject = $DTE.Solution.Projects | ?{
|
||
|
|
$fullName = $_.FullName
|
||
|
|
|
||
|
|
if ($fullName -and $fullName.EndsWith('\'))
|
||
|
|
{
|
||
|
|
$fullName = $fullName.Substring(0, $fullName.Length - 1)
|
||
|
|
}
|
||
|
|
|
||
|
|
return $fullName -eq $startupProjectPath
|
||
|
|
}
|
||
|
|
|
||
|
|
Write-Verbose ('Using StartUp project ''' + $startupProject.Name + '''.')
|
||
|
|
|
||
|
|
return $startupProject
|
||
|
|
}
|
||
|
|
|
||
|
|
function Get-SingleProject($name)
|
||
|
|
{
|
||
|
|
$project = Get-Project $name
|
||
|
|
|
||
|
|
if ($project -is [array])
|
||
|
|
{
|
||
|
|
throw "More than one project '$name' was found. Specify the full name of the one to use."
|
||
|
|
}
|
||
|
|
|
||
|
|
return $project
|
||
|
|
}
|
||
|
|
|
||
|
|
function Load-EntityFramework()
|
||
|
|
{
|
||
|
|
[System.AppDomain]::CurrentDomain.SetShadowCopyFiles()
|
||
|
|
[System.Reflection.Assembly]::LoadFrom((Join-Path $installPath 'lib\net40\EntityFramework.dll')) | Out-Null
|
||
|
|
[System.Reflection.Assembly]::LoadFrom((Join-Path $installPath 'tools\EntityFramework.PowerShell.dll')) | Out-Null
|
||
|
|
}
|
||
|
|
|
||
|
|
function Build-Project($project)
|
||
|
|
{
|
||
|
|
$configuration = $DTE.Solution.SolutionBuild.ActiveConfiguration.Name
|
||
|
|
|
||
|
|
$DTE.Solution.SolutionBuild.BuildProject($configuration, $project.UniqueName, $true)
|
||
|
|
|
||
|
|
if ($DTE.Solution.SolutionBuild.LastBuildInfo)
|
||
|
|
{
|
||
|
|
throw 'The project ''' + $project.Name + ''' failed to build.'
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function Test-TypeInherits($type, $baseTypeName)
|
||
|
|
{
|
||
|
|
if ($type.FullName -eq $baseTypeName)
|
||
|
|
{
|
||
|
|
return $true
|
||
|
|
}
|
||
|
|
|
||
|
|
$baseType = $type.BaseType
|
||
|
|
|
||
|
|
if ($baseType)
|
||
|
|
{
|
||
|
|
return Test-TypeInherits $baseType $baseTypeName
|
||
|
|
}
|
||
|
|
|
||
|
|
return $false
|
||
|
|
}
|
||
|
|
|
||
|
|
Export-ModuleMember @( 'Enable-Migrations', 'Add-Migration', 'Update-Database', 'Get-Migrations' ) -Variable 'InitialDatabase'
|