SQLHelper.psm1
|
<#
Checkout more products and samples at: - http://devscope.net/ - https://github.com/DevScope Copyright (c) 2015 DevScope 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. #> function Get-SQLConnection { <# .SYNOPSIS Gets a DBConnection object of the specified provider to a connectionstring .EXAMPLE Get-SQLConnection -providerName "System.Data.SqlClient" -connectionString "Integrated Security=SSPI;Persist Security Info=False;Initial Catalog=DomusSocialDW;Data Source=.\sql2014" -Open Gets a DBConnection of type SqlConnection and open it #> [CmdletBinding()] param( [Parameter(Mandatory=$false)] [string] $providerName = "System.Data.SqlClient", [Parameter(Mandatory=$true)] [string] $connectionString, [switch] $open = $false ) if ([string]::IsNullOrEmpty($providerName)) { throw "ProviderName cannot be null"; } $providerFactory = [System.Data.Common.DBProviderFactories]::GetFactory($providerName) $connection = $providerFactory.CreateConnection() $connection.ConnectionString = $connectionString if ($open) { Write-Verbose ("Opening Connection to: '{0}'" -f $connection.ConnectionString) $connection.Open() } Write-Output $connection } function Invoke-SQLCommand{ <# .SYNOPSIS Invokes a SQLCommand with the following execution types: "Query", "QueryAsTable", "QueryAsDataSet", "NonQuery", "Scalar", "Reader", "Schema" .EXAMPLE Invoke-SQLCommand -connectionString "<connStr>" -commandText "select * from [table]" Executes the SQL select command and returns to the pipeline a hashtable representing the row columns #> [CmdletBinding(DefaultParameterSetName = "connStr")] param( [Parameter(Mandatory=$false, ParameterSetName = "connStr")] [string] $providerName = "System.Data.SqlClient", [Parameter(Mandatory=$true, ParameterSetName = "connStr")] [string] $connectionString, [Parameter(Mandatory=$true, ParameterSetName = "conn")] [System.Data.Common.DbConnection] $connection, [Parameter(Mandatory=$false, ParameterSetName = "conn")] [System.Data.SqlClient.SqlTransaction] $transaction, [ValidateSet("Query", "QueryAsTable", "QueryAsDataSet", "NonQuery", "Scalar", "Reader", "Schema")] [string] $executeType = "Query", [Parameter(Mandatory=$true)] [string] $commandText, [Parameter(Mandatory=$false)] [System.Data.CommandType] $commandType = [System.Data.CommandType]::Text, [Parameter(Mandatory=$false)] $parameters = $null, [Parameter(Mandatory=$false)] [int] $commandTimeout = 300 ) try { if ($PsCmdlet.ParameterSetName -eq "connStr") { $connection = Get-SQLConnection -providerName $providerName -connectionString $connectionString -open } if ($executeType -eq "Schema") { $dataTable = $connection.GetSchema($commandText) Write-Output (,$dataTable) } else { $cmd = $connection.CreateCommand() $cmd.CommandText = $commandText $cmd.CommandType = $commandType $cmd.CommandTimeout = $commandTimeout $cmd.Transaction = $transaction if ($parameters -ne $null) { if ($parameters -is [hashtable]) { $parameters.GetEnumerator() |% { $paramValue = $_.Value if ($paramValue -eq $null) { $paramValue = [System.DBNull]::Value } $cmd.Parameters.AddWithValue($_.Name, $paramValue) | Out-Null } } elseif ($parameters -is [array]) { if ($parameters[0] -is [hashtable]) { $parameters |% { $paramName = $_.name $paramValue = $_.value if ($paramValue -eq $null) { $paramValue = [System.DBNull]::Value } $cmd.Parameters.AddWithValue($paramName, $paramValue) | Out-Null } } else { if ($parameters[0] -is [System.Data.IDataParameter]) { $parameters |% { $cmd.Parameters.Add($_) | Out-Null } } else { for($i = 0; $i -lt $parameters.Count; $i++) { $paramValue = $parameters[$i] if ($paramValue -eq $null) { $paramValue = [System.DBNull]::Value } $cmd.Parameters.AddWithValue("P$($i + 1)", $paramValue) | Out-Null } } } } else { throw "Invalid type for '-parameters', must be an [hashtable] or [DbParameter[]]" } } Write-Verbose ("Executing Command ($executeType): '{0}'" -f $cmd.CommandText) if ($executeType -eq "NonQuery") { $result = $cmd.ExecuteNonQuery() Write-Output $result } elseif ($executeType -eq "Scalar") { $result = $cmd.ExecuteScalar() Write-Output $result } elseif ($executeType -eq "Reader") { $reader = $cmd.ExecuteReader() Write-Output (,$reader) } elseif ($executeType -eq "Query") { $reader = $cmd.ExecuteReader() while($reader.Read()) { $hashRow = @{} for ($fieldOrdinal = 0; $fieldOrdinal -lt $reader.FieldCount; $fieldOrdinal++) { $key = $reader.GetName($fieldOrdinal) $value = $reader.GetValue($fieldOrdinal) if ($value -is [DBNull]) { $value = $null } $hashRow.Add($key, $value); } Write-Output $hashRow } $reader.Close() $reader.Dispose() } elseif ($executeType -eq "QueryAsDataSet" -or $executeType -eq "QueryAsTable") { # Já pode ter sido instanciado antes if ($providerFactory -eq $null) { $providerName = $connection.GetType().Namespace $providerFactory = [System.Data.Common.DBProviderFactories]::GetFactory($providerName) } try { $adapter = $providerFactory.CreateDataAdapter() $adapter.SelectCommand = $cmd $dataset = New-Object System.Data.DataSet $adapter.Fill($dataSet) | Out-Null if ($executeType -eq "QueryAsTable") { Write-Output (,$dataset.Tables[0]) } else { Write-Output (,$dataset) } } finally { if ($adapter) { $adapter.Dispose() } } } else { throw "Invalid executionType $executeType" } if ($cmd) { $cmd.Dispose() } } } finally { # Only Dispose the connection if its a connection string parameter set if ($PsCmdlet.ParameterSetName -eq "connStr" -and $connection -ne $null -and $executeType -ne "Reader") { Write-Verbose ("Closing Connection to: '{0}'" -f $connection.ConnectionString) $connection.Close() $connection.Dispose() $connection = $null } } } function Invoke-SQLQuery{ <# .SYNOPSIS Invokes a SQL select query .EXAMPLE Invoke-SQLQuery -connectionString "<connStr>" -commandText "select * from [table]" Executes the SQL select command and returns to the pipeline a hashtable representing the row columns #> [CmdletBinding(DefaultParameterSetName = "connStr")] param( [Parameter(Mandatory=$false, ParameterSetName = "connStr")] [string] $providerName = "System.Data.SqlClient", [Parameter(Mandatory=$true, ParameterSetName = "connStr")] [string] $connectionString, [Parameter(Mandatory=$true, ParameterSetName = "conn")] [System.Data.Common.DbConnection] $connection, [Parameter(Mandatory=$false, ParameterSetName = "conn")] [System.Data.SqlClient.SqlTransaction] $transaction, [Parameter(Mandatory=$true)] [string] $query, $parameters = $null, [int] $commandTimeout = 300 ) if ($PsCmdlet.ParameterSetName -eq "connStr") { Invoke-SQLCommand -executeType "Query" -connectionString $connectionString -providerName $providerName -commandText $query -parameters $parameters -commandTimeout $commandTimeout } else { Invoke-SQLCommand -executeType "Query" -connection $connection -transaction $transaction -commandText $query -parameters $parameters -commandTimeout $commandTimeout } } #Region Bulk Copy Function Invoke-SQLBulkCopy{ <# .SYNOPSIS Inserts data in bulk to the specified SQL Server table .EXAMPLE Invoke-SQLBulkCopy -connectionString "<connStr>" -data "<source DataTable>" -tableName "<destination table>" -batchSize 1000 -Verbose #> [CmdletBinding(DefaultParameterSetName = "connStr")] param( [Parameter(Mandatory=$true, ParameterSetName = "connStr")] [string] $connectionString, [Parameter(Mandatory=$true, ParameterSetName = "conn")] [System.Data.SqlClient.SqlConnection] $connection, [Parameter(Mandatory=$false, ParameterSetName = "conn")] [System.Data.SqlClient.SqlTransaction] $transaction, [Parameter(Mandatory=$true)] $data, [Parameter(Mandatory=$true)] [string] $tableName, [Parameter(Mandatory=$false)] [hashtable]$columnMappings = $null, [Parameter(Mandatory=$false)] [int]$batchSize = 1000, [switch] $ensureTableExists = $true ) try { # Need to do this because if a DataReader is directly passed is automaticaly readed if ($data -is [hashtable]) { if ($data["reader"] -is [System.Data.IDataReader]) { $data = $data["reader"] } else { throw "Invalid type for '-data', must be a HashTable with 'reader' property of type DbReader" } } # If is a array convert to a DataTable elseif ($data -is [array]) { $dataTable = New-Object System.Data.DataTable $firstFlag = $true foreach ($obj in $data) { $dr = $dataTable.NewRow() $obj.PsObject.get_properties() |% { if ($firstFlag) { $col = new-object Data.DataColumn $col.ColumnName = $_.Name.ToString() $dataTable.Columns.Add($col) } $dr[$_.Name] = $_.value } $dataTable.Rows.Add($dr) $firstFlag = $false } $data = $dataTable } elseif ($data -is [System.Data.DataTable]) { # TODO } else { throw "Invalid type for '-data', must be a HashTable with 'reader' property of type DbReader or a [Array] or a [DataTable]" } if ($PsCmdlet.ParameterSetName -eq "connStr") { $connection = Get-SQLConnection -connectionString $connectionString -providerName "System.Data.SqlClient" -open } $bulk = New-Object System.Data.SqlClient.SqlBulkCopy($connection, [System.Data.SqlClient.SqlBulkCopyOptions]::TableLock, $transaction) $bulk.DestinationTableName = $tableName Write-Verbose "SQLBulkCopy started for '$($bulk.DestinationTableName)'" if ($columnMappings -ne $null) { $columnMappings.GetEnumerator() |% { $bulk.ColumnMappings.Add($_.Key, $_.Value) | Out-Null } } else { # Define the columnmappings if ($data -is [System.Data.DataTable]) { $data.Columns |%{ $bulk.ColumnMappings.Add($_.ColumnName, $_.ColumnName) | Out-Null } } } if ($ensureTableExists) { if (-not (Test-SQLObjectExists -connection $connection -objectName $tableName -objectType "U")) { Write-Verbose "Creating destination table '$tableName'" $dataForNewTable = $data if ($dataForNewTable -is [System.Data.IDataReader]) { $dataForNewTable = @{reader=$dataForNewTable} } New-SQLTable -connection $connection -data $dataForNewTable -tableName $tableName -force } } $bulk.BatchSize = $batchSize $bulk.NotifyAfter = $batchSize $bulk.Add_SQlRowscopied({ Write-Verbose "$($args[1].RowsCopied) rows copied." }) $bulk.WriteToServer($data) $rowsCopied = [int]$bulk.GetType().GetField("_rowsCopied", [System.Reflection.BindingFlags]::NonPublic -bor [System.Reflection.BindingFlags]::GetField -bor [System.Reflection.BindingFlags]::Instance).GetValue($bulk); Write-Verbose "Inserted $rowsCopied rows" $bulk.Close() Write-Verbose "SQLBulkCopy finished for '$($bulk.DestinationTableName)'" return $rowsCopied } finally { if ($PsCmdlet.ParameterSetName -eq "connStr" -and $connection -ne $null) { Write-Verbose ("Closing Connection to: '{0}'" -f $connection.ConnectionString) $connection.Close() $connection.Dispose() $connection = $null } } } function New-SQLTable{ <# .SYNOPSIS Creates a new SQL Server table for the specified schema #> [CmdletBinding(DefaultParameterSetName = "connStr")] param( [Parameter(Mandatory=$true, ParameterSetName = "connStr")] [string] $connectionString, [Parameter(Mandatory=$true, ParameterSetName = "conn")] [System.Data.SqlClient.SqlConnection] $connection, [Parameter(Mandatory=$false, ParameterSetName = "conn")] [System.Data.SqlClient.SqlTransaction] $transaction, [Parameter(Mandatory=$true)] $data, [Parameter(Mandatory=$true)] [string] $tableName, [Parameter(Mandatory=$false)] [string] $customColumns, [Parameter(Mandatory=$false)] [string] $identityColumnName, [Switch] $force ) $strcolumns = ""; if ($data -is [System.Data.DataTable]) { #https://msdn.microsoft.com/en-us/library/cc716729%28v=vs.110%29.aspx foreach($obj in $data.Columns) { $sqlType = Convert-DotNetTypeToSQLType $obj.DataType.ToString() $strcolumns = $strcolumns +",[$obj] $sqlType NULL" + [System.Environment]::NewLine } } else { if ($data -is [hashtable]) { if ($data["reader"] -is [System.Data.IDataReader]) { $data = $data["reader"] $schemaTable = $data.GetSchemaTable() foreach($col in $schemaTable) { $colName = $col.ColumnName $regEx = [regex]::Match($colName, ".+\[(.+)\]") if ($regEx.Success) { $colName = $regEx.Groups[1].Value } $sqlType = Convert-DotNetTypeToSQLType $col.DataType.ToString() $col.ColumnSize $col.NumericPrecision $col.NumericScale $col.DataTypeName $strcolumns = $strcolumns +",[$colName] $sqlType NULL" + [System.Environment]::NewLine } } else { throw "Invalid type for '-data', must be a HashTable with 'reader' property of type DbReader" } } else { throw "Invalid type for '-data', must be an [System.Data.DataTable] or [HashTable] (with a DBDataReader)" } } $strcolumns = $strcolumns.TrimStart(",") if (-not [string]::IsNullOrEmpty($identityColumnName)) { $strcolumns += ", [$identityColumnName] [int] IDENTITY(1,1) NOT NULL" } if (-not [string]::IsNullOrEmpty($customColumns)) { $strcolumns += ", " + $customColumns } $commandText = " declare @sqlCmd nvarchar(max) IF @force = 1 AND object_id(@tableName, 'U') is not null BEGIN raiserror('Droping Table ""%s""', 1, 1, @tableName) set @sqlCmd = 'drop table ' + @tableName + char(13) exec sp_executesql @sqlCmd END IF object_id(@tableName, 'U') is null BEGIN declare @schemaName varchar(20) set @sqlCmd = '' set @schemaName = parsename(@tableName,2) IF NOT EXISTS (SELECT * FROM sys.schemas WHERE name = @schemaName) BEGIN set @sqlCmd = 'CREATE SCHEMA ' + @schemaName + char(13) END set @sqlCmd = @sqlCmd + 'CREATE TABLE ' + @tableName + '(' + @columns + ');' raiserror('Creating Table ""%s""', 1, 1, @tableName) exec sp_executesql @sqlCmd END ELSE BEGIN raiserror('Table ""%s"" already exists', 1, 1, @tableName) END " $parameters = @{tableName = $tableName; columns = $strcolumns; force = [bool]$force} if ($PsCmdlet.ParameterSetName -eq "connStr") { Invoke-SQLCommand -connectionString $connectionString -providerName "System.Data.SqlClient" -commandText $commandText -executeType "NonQuery" -parameters $parameters | Out-Null } else { Invoke-SQLCommand -connection $connection -transaction $transaction -commandText $commandText -executeType "NonQuery" -parameters $parameters | Out-Null } } function Test-SQLObjectExists{ <# .SYNOPSIS Tests if the SQL Object Exists #> [CmdletBinding(DefaultParameterSetName = "connStr")] param( [Parameter(Mandatory=$true, ParameterSetName = "connStr")] [string] $connectionString, [Parameter(Mandatory=$true, ParameterSetName = "conn")] [System.Data.SqlClient.SqlConnection] $connection, [Parameter(Mandatory=$false, ParameterSetName = "conn")] [System.Data.SqlClient.SqlTransaction] $transaction, [Parameter(Mandatory=$true)] [string] $objectName, [Parameter(Mandatory=$false)] [string] $objectType ) if (-not [string]::IsNullOrEmpty($objectType)) { $commandText = "if object_id(@objectName, @objectType) is not null" } else { $commandText = "if object_id(@objectName) is not null" } $commandText += " begin select cast(1 as bit) end else begin select cast(0 as bit) end " $parameters = @{objectName=$objectName; objectType=$objectType} if ($PsCmdlet.ParameterSetName -eq "connStr") { $result = Invoke-SQLCommand -connectionString $connectionString -providerName "System.Data.SqlClient" -commandText $commandText -executeType "Scalar" -parameters $parameters } else { $result = Invoke-SQLCommand -connection $connection -transaction $transaction -commandText $commandText -executeType "Scalar" -parameters $parameters } Write-Output $result } #endregion #region Private Methods function Convert-DotNetTypeToSQLType ($typeStr, $size, $numericPrecision, $numericScale, $dataTypeName){ switch ($typeStr) { "System.Double" { return "float" } "System.Boolean" { return "bit" } "System.String"{ if ([string]::IsNullOrEmpty($dataTypeName)) { $dataTypeName = "nvarchar" } if ($size -eq $null -or ($dataTypeName -eq "varchar" -and $size -ge 8000) -or ($dataTypeName -eq "nvarchar" -and $size -ge 4000)) { $size = "MAX" } return "$dataTypeName($size)" } "System.Decimal"{ # Scale zero default to int if ($numericScale -eq 0) { if ($numericPrecision -lt 10) { return "int" } else { return "bigint" } } if ($dataTypeName -like "*money") { return $dataTypeName } if ($numericScale -ne $null -and $numericScale -ne 255) { return "decimal($numericPrecision, $numericScale)" } return "decimal(38,4)" } "System.Byte"{ return "tinyint" } "System.Int16"{ return "smallint" } "System.Int32"{ return "int" } "System.Int64"{ return "bigint" } "System.DateTime"{ return "datetime2(0)" } "System.Byte[]"{ return "varbinary(max)" } "System.Xml.XmlDocument"{ return "xml" } default{ return "nvarchar(MAX)" } } } #endregion |