Functions/GenXdev.Data.SQLite/Get-SQLiteViewSchema.ps1
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############################################################################### <# .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. .LICENSE Copyright (C) 2026 René Vaessen / GenXdev This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. .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\Invoke-SQLiteQuery @PSBoundParameters } end { } } |