通过Powershell将文本加载到SQL Server中

Question

我正在逐行将从文件读取的字符数据加载到SQL表中.该表是:

CREATE TABLE [dbo].[PSFileOrder](
    [PSFOrder_Id] [int] IDENTITY(0,1) NOT NULL,
    [PSFile] [varchar](255) NOT NULL,
 CONSTRAINT [PK_PSFileOrder] PRIMARY KEY CLUSTERED 
(
    [PSFOrder_Id] ASC
)WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]
) ON [PRIMARY]

我正在使用的powershell代码是

#LoadPSFile
$PSFile = "d:\ps\xx.ps1"
cls
$xy = Get-content $PSFile
$xy
foreach($xy in $xy) {invoke-sqlcmd -serverInstance localhost\sqlexpress -query "Insert AA.dbo.PSFileOrder(PSFile) Values ('$xy')"}

如果我加载的文件是:

#Filename
#The first line will always be the file name
cls
$filter = "*.*"
$folder = "\\localhost\d$\Master\men and their toys"
$filecount = (Get-ChildItem -literalpath $folder -filter $filter).Countem -literalpath $folder -filter $filter).Countem -literalpath $folder -filter $filter).Countem -literalpath $folder -filter $filter).Count
If ($filecount -lt 1) {$filecount = 0}
"There are {0} files in the {1} directory" -f $filecount, $folder

文件加载没有错误.如果文中有单引号

"There are {0} files in the {1} d'irectory" -f $filecount, $folder

然后我会收到这个错误

Invoke-Sqlcmd : Incorrect syntax near 'irectory'.
Unclosed quotation mark after the character string ' -f $filecount, $folder')
;'.
At C:\Users\RC\AppData\Local\Temp\2ed13f21-5b46-4df4-a5ee-2488c3dd5ee4.ps1:6 char:35
+ foreach($xy in $xy) {invoke-sqlcmd <<<<  -serverInstance localhost\sqlexpress -query "Insert AA.dbo.PSFileOrder(PSFile) Values ('$xy')"}
    + CategoryInfo          : InvalidOperation: (:) [Invoke-Sqlcmd], SqlPowerShellSqlExecutionException
    + FullyQualifiedErrorId : SqlError,Microsoft.SqlServer.Management.PowerShell.GetScriptCommand

我确实认为错误是由我用$ xy变量使用单引号编写"-query"语句的方式引起的.
我的问题是:

1. 我是否正确制作了Invoke-sqlcmd？
2. $ xy周围的单一报价是否有替代品？
3. 有没有更好的方法来加载文本？

我想维护db中文本文件和行的一对一关系.

谢谢RC

两个答案让我在加载到SQL之前将单引号加倍的正确路径.修改后的代码是

#LoadPSFile
cls
Get-content "d:\ps\xx.ps1" | 
Foreach-Object {$_ -replace "'", "''"} |
ForEach-Object{invoke-sqlcmd -serverInstance localhost\sqlexpress -query "Insert AA.dbo.PSFileOrder(PSFile) Values ('$_')"}

Answer 1

您得到格式错误的SQL语法.我相信快速修复是用两个单引号替换任何单引号$xy:

$escaped = $xy.Replace("'", "''")
invoke-sqlcmd -serverInstance localhost\sqlexpress -query "Insert AA.dbo.PSFileOrder(PSFile) Values ('$escaped')"

# or (the same but without the intermediate variable):

invoke-sqlcmd -serverInstance localhost\sqlexpress -query @"
Insert AA.dbo.PSFileOrder(PSFile) Values ('$($xy.Replace("'", "''"))')
"@

但这可能不是最好的方式.不幸的是我不熟悉invoke-sqlcmd功能.如果它支持参数化查询,我会采用这种方式并提供$xy值作为参数值($xy在这种情况下不需要准备).