روش تبدیل Microsoft SQL Server 2017 Evaluation به سایر نگارشها: sql-2017.7z
نظرات اشتراکها
CREATE TABLE xmlTest ( id INT IDENTITY PRIMARY KEY, doc XML ) GO INSERT xmlTest VALUES('<Person name="Vahid" />') INSERT xmlTest VALUES('<Person name="Farid" />') INSERT xmlTest VALUES('<Person name="Mehdi" /><Person name="Hamid" />') GO
SELECT doc.query(' for $p in //Person where $p/@name="Vahid" return <li>{data($p/@name)} has id = {sql:column("xmlTest.id")}</li> ') FROM xmlTest
<li>Vahid has id = 1</li>
SELECT doc.query(' for $p in //Person where $p/@name="Vahid" return <li>{data($p/@name)} has id = {sql:column("xmlTest.id")}</li> ') FROM xmlTest WHERE doc.exist(' for $p in //Person where $p/@name="Vahid" return <li>{data($p/@name)} has id = {sql:column("xmlTest.id")}</li> ')=1
SELECT * FROM ( (SELECT doc.query(' for $p in //Person where $p/@name="Vahid" return <li>{data($p/@name)} has id = {sql:column("xmlTest.id")}</li> ') AS col1 FROM xmlTest) ) A WHERE CONVERT(VARCHAR(8000), col1)<>''
DECLARE @number INT = 1 SELECT doc.query(' for $p in //Person where $p/@name="Vahid" return <li>{data($p/@name)} has number = {sql:variable("@number")}</li> ') FROM xmlTest
SELECT doc.query('/Person') FROM xmlTest
DECLARE @doc XML SET @doc = (SELECT * FROM xmlTest FOR XML AUTO, ELEMENTS) SELECT @doc.query('/xmlTest/doc/Person')
DECLARE @doc XML =' <people> <person><name>Vahid</name></person> <person><name id="2">Farid</name></person> <person><name>Mehdi</name></person> <person><name>Hooshang</name><name id="1">Hooshi</name></person> <person></person> </people> '
SELECT @doc.value('/people/person/name', 'varchar(50)')
SELECT @doc.value('(/people/person/name)[1]', 'varchar(50)')
SELECT @doc.query('/people/person/name')
<name>Vahid</name> <name id="2">Farid</name> <name>Mehdi</name> <name>Hooshang</name> <name id="1">Hooshi</name>
SELECT tab.col.value('text()[1]', 'varchar(50)') AS name, tab.col.query('.'), tab.col.query('..') from @doc.nodes('/people/person/name') AS tab(col)
tab.col.query('.'),
SELECT tab.col.value('.', 'varchar(50)') AS name, tab.col.query('data(.)'), tab.col.query('.'), tab.col.query('..') from @doc.nodes('/people/person/name') AS tab(col)
SELECT tab.col.value('name[.="Farid"][1]', 'varchar(50)') AS name, tab.col.value('name[.="Farid"][1]/@id', 'varchar(50)') AS id, tab.col.query('.') from @doc.nodes('/people/person[name="Farid"]') AS tab(col)
DECLARE @tblXML TABLE ( id INT IDENTITY PRIMARY KEY, doc XML ) INSERT @tblXML VALUES('<person name="Vahid" />') INSERT @tblXML VALUES('<person name="Farid" />') INSERT @tblXML VALUES('<person />') INSERT @tblXML VALUES(NULL) SELECT id, doc.value('(/person/@name)[1]', 'varchar(50)') AS name FROM @tblXML
CREATE PROCEDURE LookForPhysicalOps (@op VARCHAR(30)) AS SELECT sql.text, qs.EXECUTION_COUNT, qs.*, p.* FROM sys.dm_exec_query_stats AS qs CROSS APPLY sys.dm_exec_sql_text(sql_handle) sql CROSS APPLY sys.dm_exec_query_plan(plan_handle) p WHERE query_plan.exist(' declare default element namespace "http://schemas.microsoft.com/sqlserver/2004/07/showplan"; /ShowPlanXML/BatchSequence/Batch/Statements//RelOp/@PhysicalOp[. = sql:variable("@op")] ') = 1 GO EXECUTE LookForPhysicalOps 'Table Scan' EXECUTE LookForPhysicalOps 'Clustered Index Scan' EXECUTE LookForPhysicalOps 'Hash Match'
WITH XMLNAMESPACES(DEFAULT N'http://schemas.microsoft.com/sqlserver/2004/07/showplan') SELECT RelOp.op.value(N'../../@NodeId', N'int') AS ParentOperationID, RelOp.op.value(N'@NodeId', N'int') AS OperationID, RelOp.op.value(N'@PhysicalOp', N'varchar(50)') AS PhysicalOperator, RelOp.op.value(N'@LogicalOp', N'varchar(50)') AS LogicalOperator, RelOp.op.value(N'@EstimatedTotalSubtreeCost ', N'float') AS EstimatedCost, RelOp.op.value(N'@EstimateIO', N'float') AS EstimatedIO, RelOp.op.value(N'@EstimateCPU', N'float') AS EstimatedCPU, RelOp.op.value(N'@EstimateRows', N'float') AS EstimatedRows, cp.plan_handle AS PlanHandle, st.TEXT AS QueryText, qp.query_plan AS QueryPlan, cp.cacheobjtype AS CacheObjectType, cp.objtype AS ObjectType FROM sys.dm_exec_cached_plans cp CROSS APPLY sys.dm_exec_sql_text(cp.plan_handle) st CROSS APPLY sys.dm_exec_query_plan(cp.plan_handle) qp CROSS APPLY qp.query_plan.nodes(N'//RelOp') RelOp(op)
DECLARE @doc XML = ' <Invoice> <InvoiceId>100</InvoiceId> <CustomerName>Vahid</CustomerName> <LineItems> <LineItem> <Sku>134</Sku> <Quantity>10</Quantity> <Description>Item 1</Description> <UnitPrice>9.5</UnitPrice> </LineItem> <LineItem> <Sku>150</Sku> <Quantity>5</Quantity> <Description>Item 2</Description> <UnitPrice>1.5</UnitPrice> </LineItem> </LineItems> </Invoice> '
SET @doc.modify(' insert <InvoiceInfo><InvoiceDate>2014-02-10</InvoiceDate></InvoiceInfo> after /Invoice[1]/CustomerName[1] ') SELECT @doc
<Invoice> <InvoiceId>100</InvoiceId> <CustomerName>Vahid</CustomerName> <InvoiceInfo> <InvoiceDate>2014-02-10</InvoiceDate> </InvoiceInfo> <LineItems> ...
SET @x.modify('insert sql:variable("@x") into /doc[1]')
The argument 1 of the XML data type method "modify" must be a string literal.
SET @doc.modify(' insert attribute status{"backorder"} into /Invoice[1] ') SELECT @doc
<Invoice status="backorder"> <InvoiceId>100</InvoiceId> ....
SET @doc.modify('delete /Invoice/LineItems/LineItem') SELECT @doc
<Invoice status="backorder"> <InvoiceId>100</InvoiceId> <CustomerName>Vahid</CustomerName> <InvoiceInfo> <InvoiceDate>2014-02-10</InvoiceDate> </InvoiceInfo> <LineItems /> </Invoice>
SET @doc.modify('replace value of /Invoice[1]/CustomerName[1]/text()[1] with "Farid" ') SELECT @doc
<Invoice status="backorder"> <InvoiceId>100</InvoiceId> <CustomerName>Farid</CustomerName> <InvoiceInfo> <InvoiceDate>2014-02-10</InvoiceDate> </InvoiceInfo> <LineItems /> </Invoice>
The target of 'replace value of' must be a non-metadata attribute or an element with simple typed content.
DECLARE @tblTest AS TABLE (xmlField XML) INSERT INTO @tblTest(xmlField) VALUES ( '<Sample> <Node1>Value1</Node1> <Node2>Value2</Node2> <Node3/> </Sample>' ) DECLARE @newValue VARCHAR(50) = 'NewValue' UPDATE @tblTest SET xmlField.modify( 'insert text{sql:variable("@newValue")} into (/Sample/Node3)[1] [not(text())]' ) SELECT xmlField.value('(/Sample/Node3)[1]','varchar(50)') FROM @tblTest
UPDATE @tblTest SET xmlField.modify( 'replace value of (/Sample/Node3/text())[1] with sql:variable("@newValue")' )
<PropertyGroup> <IncludeSymbols>true</IncludeSymbols> <SymbolPackageFormat>snupkg</SymbolPackageFormat> </PropertyGroup>
<PropertyGroup> <PublishRepositoryUrl>true</PublishRepositoryUrl> <EmbedUntrackedSources>true</EmbedUntrackedSources> </PropertyGroup> <ItemGroup> <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" /> </ItemGroup>
"justMyCode": false, "symbolOptions": { "searchMicrosoftSymbolServer": true }, "suppressJITOptimizations": true, "env": { "COMPlus_ZapDisable": "1" }
var stopWords = new Hashtable(); stopWords.Add("br","br"); // ... var analyzer = new StandardAnalyzer(Version.LUCENE_29, stopWords);