.net MDX查询生成器实现
我正在使用Microsoft.AnalysisServices.AdomdClient查询多维数据集。我有一个多维表达式(MDX)查询,我将其传递给.net MDX查询生成器实现,.net,sql-server,mdx,adomd.net,.net,Sql Server,Mdx,Adomd.net,我正在使用Microsoft.AnalysisServices.AdomdClient查询多维数据集。我有一个多维表达式(MDX)查询,我将其传递给AdomdCommand对象以查询我的多维数据集。 我希望有一个MDX构建器类,可以用来传递度量、维度、级别等的列表,并生成相应MDX查询的字符串 这已经存在了吗?这是一个很好的开始: 如果您可以选择开源代码,则此库包含一个MDX生成器,包括: 可以使用Ranet Olap在模板上生成MDX查询。下面是一个简单的示例代码。它显示了典型的用例,包括过
AdomdCommand
对象以查询我的多维数据集。
我希望有一个MDX构建器类,可以用来传递度量、维度、级别等的列表,并生成相应MDX查询的字符串
这已经存在了吗?这是一个很好的开始:
如果您可以选择开源代码,则此库包含一个MDX生成器,包括:
可以使用Ranet Olap在模板上生成MDX查询。下面是一个简单的示例代码。它显示了典型的用例,包括过滤器设置和使用多种度量
using System.Collections.Generic;
using System.Windows.Forms;
using Ranet.Olap.Core.Common;
using Ranet.Olap.Core.Data;
using Ranet.Olap.Core.Managers;
using Ranet.Olap.Core.Types;
using Ranet.Olap.Core.Wrappers;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
startWork();
}
public static void startWork()
{
var mdx = new QueryBuilderParameters
{
CubeName = "[Adventure Works]",
SubCube = "",
MdxDesignerSetting = new MDXDesignerSettingWrapper(),
CalculatedMembers = new List<CalcMemberInfo>(),
CalculatedNamedSets = new List<CalculatedNamedSetInfo>(),
AreaWrappersFilter = new List<AreaItemWrapper>(),
AreaWrappersColumns = new List<AreaItemWrapper>(),
AreaWrappersRows = new List<AreaItemWrapper>(),
AreaWrappersData = new List<AreaItemWrapper>()
};
//define parameters
mdx.MdxDesignerSetting.HideEmptyColumns = false;
mdx.MdxDesignerSetting.HideEmptyRows = false;
mdx.MdxDesignerSetting.UseVisualTotals = false;
mdx.MdxDesignerSetting.SubsetCount = 0;
//columns
var itemCol1 = new Hierarchy_AreaItemWrapper
{
AreaItemType = AreaItemWrapperType.Hierarchy_AreaItemWrapper,
UniqueName = "[Date].[Calendar]"
};
mdx.AreaWrappersColumns.Add(itemCol1);
//rows
var itemRow1 = new Hierarchy_AreaItemWrapper
{
AreaItemType = AreaItemWrapperType.Hierarchy_AreaItemWrapper,
UniqueName = "[Customer].[Customer Geography]"
};
mdx.AreaWrappersRows.Add(itemRow1);
//data
var itemData1 = new Measure_AreaItemWrapper
{
AreaItemType = AreaItemWrapperType.Measure_AreaItemWrapper,
UniqueName = "[Measures].[Internet Order Count]"
};
mdx.AreaWrappersData.Add(itemData1);
var itemData2 = new Measure_AreaItemWrapper
{
AreaItemType = AreaItemWrapperType.Measure_AreaItemWrapper,
UniqueName = "[Measures].[Internet Sales Amount]"
};
mdx.AreaWrappersData.Add(itemData2);
//if Measures in Data area > 1 - add special element VALUES in COLUMNS or ROWS areas
var itemCol2 = new Values_AreaItemWrapper
{
AreaItemType = AreaItemWrapperType.NamedSet_AreaItemWrapper,
};
mdx.AreaWrappersColumns.Add(itemCol2);
//filter
var itemFilter1 = new Level_AreaItemWrapper
{
AreaItemType = AreaItemWrapperType.Level_AreaItemWrapper,
UniqueName = "[Date].[Calendar Year].[Calendar Year]",
HierarchyUniqueName = "[Date].[Calendar Year]",
CompositeFilter = new Composite_FilterWrapper()
};
itemFilter1.CompositeFilter.IsUsed = true;
itemFilter1.CompositeFilter.MembersFilter.IsUsed = true;
// two options to choose
// option 1 - simply SET
//itemFilter1.CompositeFilter.MembersFilter.FilterSet = "{[Date].[Calendar Year].&[2007], [Date].[Calendar Year].&[2008]}";
#region
// option 2 - collection Members
var mcf1 = new MemberChoiceSettings
{
SelectState = SelectStates.Selected_Self,
Info =
new MemberData
{
UniqueName = "[Date].[Calendar Year].&[2007]",
HierarchyUniqueName = "[Date].[Calendar Year]",
Caption = "2007"
}
};
itemFilter1.CompositeFilter.MembersFilter.SelectedInfo.Add(mcf1);
var mcf2 = new MemberChoiceSettings
{
SelectState = SelectStates.Selected_Self,
Info =
new MemberData
{
UniqueName = "[Date].[Calendar Year].&[2008]",
HierarchyUniqueName = "[Date].[Calendar Year]",
Caption = "2008"
}
};
itemFilter1.CompositeFilter.MembersFilter.SelectedInfo.Add(mcf2);
// build SET on collection
itemFilter1.CompositeFilter.MembersFilter.BuildFilterSet();
#endregion
mdx.AreaWrappersFilter.Add(itemFilter1);
string query = MdxQueryBuilder.Default.BuildQuery(mdx, null);
MessageBox.Show(query);
}
}
}
这个工具有一个语法分析器作为它的一部分:并不是像你所要求的那样真正用于构造MDX的类,但是其中的库可能很有用。
SELECT
HIERARCHIZE(CrossJoin(HIERARCHIZE([Date].[Calendar].Levels(0).Members), {[Measures].[Internet Order Count], [Measures].[Internet Sales Amount]})) DIMENSION PROPERTIES PARENT_UNIQUE_NAME, HIERARCHY_UNIQUE_NAME, CUSTOM_ROLLUP, UNARY_OPERATOR, KEY0 ON 0,
HIERARCHIZE(HIERARCHIZE([Customer].[Customer Geography].Levels(0).Members)) DIMENSION PROPERTIES PARENT_UNIQUE_NAME, HIERARCHY_UNIQUE_NAME, CUSTOM_ROLLUP, UNARY_OPERATOR, KEY0 ON 1
FROM
(SELECT ({{[Date].[Calendar Year].&[2007], [Date].[Calendar Year].&[2008]}}) on COLUMNS FROM [Adventure Works])
CELL PROPERTIES BACK_COLOR, CELL_ORDINAL, FORE_COLOR, FONT_NAME, FONT_SIZE, FONT_FLAGS, FORMAT_STRING, VALUE, FORMATTED_VALUE, UPDATEABLE, ACTION_TYPE