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 : 1.264.2025 ################################################################################ MIT License Copyright 2021-2025 GenXdev Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ################################################################################> ############################################################################### <# .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 { } } |