我创建了一个实现Microsoft.Data.Schema.ScriptDOM和Microsoft.Data.Schema.ScriptDOM.SQL接口的基本C类。这两个程序集是Visual Studio数据库版本(VSDB)的一部分,也是解析/脚本API的一部分。您可以解析SQL文本并输出格式SQL脚本。有关VSDB程序集的详细信息,请参阅
this blog post
. 因为它们是可再发行的,所以我包含了程序集和PowerShell脚本
here
:
#requires -version 2
add-type -path .\Microsoft.Data.Schema.ScriptDom.dll
add-type -path .\Microsoft.Data.Schema.ScriptDom.Sql.dll
$Source = @"
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Data.Schema.ScriptDom;
using Microsoft.Data.Schema.ScriptDom.Sql;
using System.IO;
public class SQLParser
{
private IScriptFragment fragment;
public SQLParser(SqlVersion sqlVersion, bool quotedIdentifier, string inputScript)
{
switch (sqlVersion)
{
case SqlVersion.Sql80:
SQLParser80 (quotedIdentifier, inputScript);
break;
case SqlVersion.Sql90:
SQLParser90 (quotedIdentifier, inputScript);
break;
case SqlVersion.Sql100:
SQLParser100 (quotedIdentifier, inputScript);
break;
}
}
private void SQLParser100 (bool quotedIdentifier, string inputScript)
{
TSql100Parser parser = new TSql100Parser(quotedIdentifier);
Parse(parser, inputScript);
}
private void SQLParser90 (bool quotedIdentifier, string inputScript)
{
TSql90Parser parser90 = new TSql90Parser(quotedIdentifier);
Parse(parser90, inputScript);
}
private void SQLParser80 (bool quotedIdentifier, string inputScript)
{
TSql80Parser parser80 = new TSql80Parser(quotedIdentifier);
Parse(parser80, inputScript);
}
private void Parse(TSql100Parser parser, string inputScript)
{
IList<ParseError> errors;
using (StringReader sr = new StringReader(inputScript))
{
fragment = parser.Parse(sr, out errors);
}
if (errors != null && errors.Count > 0)
{
StringBuilder sb = new StringBuilder();
foreach (var error in errors)
{
sb.AppendLine(error.Message);
sb.AppendLine("offset " + error.Offset.ToString());
}
throw new ArgumentException("InvalidSQLScript", sb.ToString());
}
}
private void Parse(TSql90Parser parser, string inputScript)
{
IList<ParseError> errors;
using (StringReader sr = new StringReader(inputScript))
{
fragment = parser.Parse(sr, out errors);
}
if (errors != null && errors.Count > 0)
{
StringBuilder sb = new StringBuilder();
foreach (var error in errors)
{
sb.AppendLine(error.Message);
sb.AppendLine("offset " + error.Offset.ToString());
}
throw new ArgumentException("InvalidSQLScript", sb.ToString());
}
}
private void Parse(TSql80Parser parser, string inputScript)
{
IList<ParseError> errors;
using (StringReader sr = new StringReader(inputScript))
{
fragment = parser.Parse(sr, out errors);
}
if (errors != null && errors.Count > 0)
{
StringBuilder sb = new StringBuilder();
foreach (var error in errors)
{
sb.AppendLine(error.Message);
sb.AppendLine("offset " + error.Offset.ToString());
}
throw new ArgumentException("InvalidSQLScript", sb.ToString());
}
}
public IScriptFragment Fragment
{
get { return fragment; }
}
}
"@
$refs = @("Microsoft.Data.Schema.ScriptDom","Microsoft.Data.Schema.ScriptDom.Sql")
add-type -ReferencedAssemblies $refs -TypeDefinition $Source -Language CSharpVersion3 -passThru
我正在使用PowerShell v2 add type创建运行时类型。我已经在3台不同的机器上测试了这个脚本。在一台计算机上,脚本在其他两台计算机上按预期工作,将产生以下错误。两个引用的程序集与PowerShell脚本位于同一文件夹中。我做错了什么有什么想法吗?
PS C:\Users\u00\bin> .\SQLParser.ps1
Add-Type : (0) : Metadata file 'Microsoft.Data.Schema.ScriptDom.dll' could not be found
(1) : using System;
At C:\Users\u00\bin\SQLParser.ps1:125 char:9
+ add-type <<<< -ReferencedAssemblies $refs -TypeDefinition $Source -Language CSharpVersion3 -passThru
+ CategoryInfo : InvalidData: (error CS0006: M...ld not be found:CompilerError) [Add-Type], Exception
+ FullyQualifiedErrorId : SOURCE_CODE_ERROR,Microsoft.PowerShell.Commands.AddTypeCommand
Add-Type : (0) : Metadata file 'Microsoft.Data.Schema.ScriptDom.Sql.dll' could not be found
(1) : using System;
At C:\Users\u00\bin\SQLParser.ps1:125 char:9
+ add-type <<<< -ReferencedAssemblies $refs -TypeDefinition $Source -Language CSharpVersion3 -passThru
+ CategoryInfo : InvalidData: (error CS0006: M...ld not be found:CompilerError) [Add-Type], Exception
+ FullyQualifiedErrorId : SOURCE_CODE_ERROR,Microsoft.PowerShell.Commands.AddTypeCommand
Add-Type : Cannot add type. There were compilation errors.
At C:\Users\u00\bin\SQLParser.ps1:125 char:9
+ add-type <<<< -ReferencedAssemblies $refs -TypeDefinition $Source -Language CSharpVersion3 -passThru
+ CategoryInfo : InvalidData: (:) [Add-Type], InvalidOperationException
+ FullyQualifiedErrorId : COMPILER_ERRORS,Microsoft.PowerShell.Commands.AddTypeCommand