Functions/GenXdev.Data.SQLite/Get-SQLiteViewSchema.ps1
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Part of PowerShell module : GenXdev.Data.SQLite Original cmdlet filename : Get-SQLiteViewSchema.ps1 Original author : René Vaessen / GenXdev Version : 1.300.2025 ################################################################################ Copyright (c) René Vaessen / GenXdev Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. ################################################################################> ############################################################################### <# .SYNOPSIS Retrieves the SQL schema definition for a SQLite view. .DESCRIPTION This function queries the SQLite database's system tables to extract the SQL definition of a specified view. It supports connecting via either a connection string or direct database file path and returns the complete SQL schema that defines the requested view. .PARAMETER ConnectionString The connection string used to connect to the SQLite database. This parameter is mutually exclusive with DatabaseFilePath. .PARAMETER DatabaseFilePath The full path to the SQLite database file. This parameter is mutually exclusive with ConnectionString. .PARAMETER ViewName The name of the view whose schema definition should be retrieved. .EXAMPLE Get-SQLiteViewSchema -DatabaseFilePath "C:\Databases\MyApp.sqlite" ` -ViewName "CustomerOrders" #> function Get-SQLiteViewSchema { [CmdletBinding(DefaultParameterSetName = 'Default')] param ( ########################################################################### [Parameter( Position = 0, Mandatory = $true, ParameterSetName = 'ConnectionString', HelpMessage = 'The connection string to the SQLite database.' )] [string]$ConnectionString, ########################################################################### [Parameter( Position = 0, Mandatory = $true, ParameterSetName = 'DatabaseFilePath', HelpMessage = 'The path to the SQLite database file.' )] [ValidateNotNullOrEmpty()] [Alias('dbpath', 'indexpath')] [string]$DatabaseFilePath, ########################################################################### [Parameter( Position = 1, Mandatory = $true, HelpMessage = 'The name of the view.' )] [string]$ViewName ) begin { # log the start of view schema retrieval Microsoft.PowerShell.Utility\Write-Verbose "Retrieving schema for view: $ViewName" } process { # construct query to fetch the view definition from sqlite_master table $query = "SELECT sql FROM sqlite_master WHERE name = '$ViewName'" # log the query being executed Microsoft.PowerShell.Utility\Write-Verbose "Executing query: $query" # add the query to parameters and execute it using Invoke-SQLiteQuery $PSBoundParameters['Queries'] = $query GenXdev.Data\Invoke-SQLiteQuery @PSBoundParameters } end { } } |