{"id":771,"date":"2007-08-28T09:33:00","date_gmt":"2007-08-28T09:33:00","guid":{"rendered":"\/blogs\/bobb\/post\/NET-Nullable-Types-as-SQLCLR-parameters-in-SQL-Server-2008.aspx"},"modified":"2013-01-04T01:49:58","modified_gmt":"2013-01-04T09:49:58","slug":"net-nullable-types-as-sqlclr-parameters-in-sql-server-2008","status":"publish","type":"post","link":"https:\/\/www.sqlskills.com\/blogs\/bobb\/net-nullable-types-as-sqlclr-parameters-in-sql-server-2008\/","title":{"rendered":".NET Nullable Types as SQLCLR parameters in SQL Server 2008"},"content":{"rendered":"

\nJust found out about this one today. This SQLCLR function works right now in CTP4 of SQL Server 2008.\n<\/p>\n

\npublic static Nullable<int> AddTwo(Nullable<int> x, Nullable<int> y)
\n{ return x+y; }\n<\/p>\n

\ncreate function dbo.addtwo (@x int, @y int)
\nreturns int
\nas
\nexternal name asmname.[Mynamespace.Class1].AddTwo;\n<\/p>\n

\nselect dbo.addtwo(2, null);
\n-> null\n<\/p>\n

\nGreat! Turns out, I suggested this back in 2005<\/a>…after SQL Server 2005 shipped. And they listened. Actually, going back over the list from 2005… SSMS does display NULL for a NULL UDT already, as of SP1. And large UDTs and UDAggs are also on the agenda for SQL Server 2008.\n<\/p>\n

\nThat may also explain why there's no System.Data.SqlTypes.TimeSpan\/DateTimeOffset in Visual Studio Orcas Beta2. They're not needed.<\/p>\n","protected":false},"excerpt":{"rendered":"

Just found out about this one today. This SQLCLR function works right now in CTP4 of SQL Server 2008. public static Nullable<int> AddTwo(Nullable<int> x, Nullable<int> y) { return x+y; } create function dbo.addtwo (@x int, @y int) returns int as external name asmname.[Mynamespace.Class1].AddTwo; select dbo.addtwo(2, null); -> null Great! Turns out, I suggested this back in […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29,38],"tags":[],"class_list":["post-771","post","type-post","status-publish","format-standard","hentry","category-sql-server-2008","category-sqlclr"],"yoast_head":"\n.NET Nullable Types as SQLCLR parameters in SQL Server 2008 - Bob Beauchemin<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sqlskills.com\/blogs\/bobb\/net-nullable-types-as-sqlclr-parameters-in-sql-server-2008\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\".NET Nullable Types as SQLCLR parameters in SQL Server 2008 - Bob Beauchemin\" \/>\n<meta property=\"og:description\" content=\"Just found out about this one today. This SQLCLR function works right now in CTP4 of SQL Server 2008. public static Nullable<int> AddTwo(Nullable<int> x, Nullable<int> y) { return x+y; } create function dbo.addtwo (@x int, @y int) returns int as external name asmname.[Mynamespace.Class1].AddTwo; select dbo.addtwo(2, null); -> null Great! Turns out, I suggested this back in […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.sqlskills.com\/blogs\/bobb\/net-nullable-types-as-sqlclr-parameters-in-sql-server-2008\/\" \/>\n<meta property=\"og:site_name\" content=\"Bob Beauchemin\" \/>\n<meta property=\"article:published_time\" content=\"2007-08-28T09:33:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2013-01-04T09:49:58+00:00\" \/>\n<meta name=\"author\" content=\"Bob Beauchemin\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Bob Beauchemin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.sqlskills.com\/blogs\/bobb\/net-nullable-types-as-sqlclr-parameters-in-sql-server-2008\/\",\"url\":\"https:\/\/www.sqlskills.com\/blogs\/bobb\/net-nullable-types-as-sqlclr-parameters-in-sql-server-2008\/\",\"name\":\".NET Nullable Types as SQLCLR parameters in SQL Server 2008 - Bob Beauchemin\",\"isPartOf\":{\"@id\":\"https:\/\/www.sqlskills.com\/blogs\/bobb\/#website\"},\"datePublished\":\"2007-08-28T09:33:00+00:00\",\"dateModified\":\"2013-01-04T09:49:58+00:00\",\"author\":{\"@id\":\"https:\/\/www.sqlskills.com\/blogs\/bobb\/#\/schema\/person\/62bfa986c5b5d28fcffd8b4fc409c73e\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.sqlskills.com\/blogs\/bobb\/net-nullable-types-as-sqlclr-parameters-in-sql-server-2008\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.sqlskills.com\/blogs\/bobb\/net-nullable-types-as-sqlclr-parameters-in-sql-server-2008\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.sqlskills.com\/blogs\/bobb\/net-nullable-types-as-sqlclr-parameters-in-sql-server-2008\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.sqlskills.com\/blogs\/bobb\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"SQL Server 2008\",\"item\":\"https:\/\/www.sqlskills.com\/blogs\/bobb\/category\/sql-server-2008\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\".NET Nullable Types as SQLCLR parameters in SQL Server 2008\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.sqlskills.com\/blogs\/bobb\/#website\",\"url\":\"https:\/\/www.sqlskills.com\/blogs\/bobb\/\",\"name\":\"Bob Beauchemin\",\"description\":\"SQL Server Blog\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.sqlskills.com\/blogs\/bobb\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.sqlskills.com\/blogs\/bobb\/#\/schema\/person\/62bfa986c5b5d28fcffd8b4fc409c73e\",\"name\":\"Bob Beauchemin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.sqlskills.com\/blogs\/bobb\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/6f80e6cc667410857fa6a21931dc528b8092f4d112bf7a8ff7c267674d44ee37?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/6f80e6cc667410857fa6a21931dc528b8092f4d112bf7a8ff7c267674d44ee37?s=96&d=mm&r=g\",\"caption\":\"Bob Beauchemin\"},\"sameAs\":[\"http:\/www.sqlskills.com\/blogs\/bobb\/\"],\"url\":\"https:\/\/www.sqlskills.com\/blogs\/bobb\/author\/bobb\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":".NET Nullable Types as SQLCLR parameters in SQL Server 2008 - Bob Beauchemin","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.sqlskills.com\/blogs\/bobb\/net-nullable-types-as-sqlclr-parameters-in-sql-server-2008\/","og_locale":"en_US","og_type":"article","og_title":".NET Nullable Types as SQLCLR parameters in SQL Server 2008 - Bob Beauchemin","og_description":"Just found out about this one today. 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Turns out, I suggested this back in […]","og_url":"https:\/\/www.sqlskills.com\/blogs\/bobb\/net-nullable-types-as-sqlclr-parameters-in-sql-server-2008\/","og_site_name":"Bob Beauchemin","article_published_time":"2007-08-28T09:33:00+00:00","article_modified_time":"2013-01-04T09:49:58+00:00","author":"Bob Beauchemin","twitter_misc":{"Written by":"Bob Beauchemin","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.sqlskills.com\/blogs\/bobb\/net-nullable-types-as-sqlclr-parameters-in-sql-server-2008\/","url":"https:\/\/www.sqlskills.com\/blogs\/bobb\/net-nullable-types-as-sqlclr-parameters-in-sql-server-2008\/","name":".NET Nullable Types as SQLCLR parameters in SQL Server 2008 - Bob Beauchemin","isPartOf":{"@id":"https:\/\/www.sqlskills.com\/blogs\/bobb\/#website"},"datePublished":"2007-08-28T09:33:00+00:00","dateModified":"2013-01-04T09:49:58+00:00","author":{"@id":"https:\/\/www.sqlskills.com\/blogs\/bobb\/#\/schema\/person\/62bfa986c5b5d28fcffd8b4fc409c73e"},"breadcrumb":{"@id":"https:\/\/www.sqlskills.com\/blogs\/bobb\/net-nullable-types-as-sqlclr-parameters-in-sql-server-2008\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.sqlskills.com\/blogs\/bobb\/net-nullable-types-as-sqlclr-parameters-in-sql-server-2008\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.sqlskills.com\/blogs\/bobb\/net-nullable-types-as-sqlclr-parameters-in-sql-server-2008\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.sqlskills.com\/blogs\/bobb\/"},{"@type":"ListItem","position":2,"name":"SQL Server 2008","item":"https:\/\/www.sqlskills.com\/blogs\/bobb\/category\/sql-server-2008\/"},{"@type":"ListItem","position":3,"name":".NET Nullable Types as SQLCLR parameters in SQL Server 2008"}]},{"@type":"WebSite","@id":"https:\/\/www.sqlskills.com\/blogs\/bobb\/#website","url":"https:\/\/www.sqlskills.com\/blogs\/bobb\/","name":"Bob Beauchemin","description":"SQL Server Blog","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.sqlskills.com\/blogs\/bobb\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/www.sqlskills.com\/blogs\/bobb\/#\/schema\/person\/62bfa986c5b5d28fcffd8b4fc409c73e","name":"Bob Beauchemin","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.sqlskills.com\/blogs\/bobb\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/6f80e6cc667410857fa6a21931dc528b8092f4d112bf7a8ff7c267674d44ee37?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/6f80e6cc667410857fa6a21931dc528b8092f4d112bf7a8ff7c267674d44ee37?s=96&d=mm&r=g","caption":"Bob Beauchemin"},"sameAs":["http:\/www.sqlskills.com\/blogs\/bobb\/"],"url":"https:\/\/www.sqlskills.com\/blogs\/bobb\/author\/bobb\/"}]}},"_links":{"self":[{"href":"https:\/\/www.sqlskills.com\/blogs\/bobb\/wp-json\/wp\/v2\/posts\/771","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sqlskills.com\/blogs\/bobb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sqlskills.com\/blogs\/bobb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sqlskills.com\/blogs\/bobb\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sqlskills.com\/blogs\/bobb\/wp-json\/wp\/v2\/comments?post=771"}],"version-history":[{"count":0,"href":"https:\/\/www.sqlskills.com\/blogs\/bobb\/wp-json\/wp\/v2\/posts\/771\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.sqlskills.com\/blogs\/bobb\/wp-json\/wp\/v2\/media?parent=771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sqlskills.com\/blogs\/bobb\/wp-json\/wp\/v2\/categories?post=771"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sqlskills.com\/blogs\/bobb\/wp-json\/wp\/v2\/tags?post=771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}