{"id":1260,"date":"2009-02-13T19:32:52","date_gmt":"2009-02-13T19:32:52","guid":{"rendered":"http:\/\/osmeusapontamentos.com\/?p=1260"},"modified":"2009-02-13T19:32:52","modified_gmt":"2009-02-13T19:32:52","slug":"foreign-keys-com-smo-2","status":"publish","type":"post","link":"https:\/\/osmeusapontamentos.com\/index.php\/2009\/02\/13\/foreign-keys-com-smo-2\/","title":{"rendered":"Foreign Keys com SMO #2"},"content":{"rendered":"<p><strong>Objectivo<\/strong>: Determinar o nome da tabela que est\u00e1 a ser referenciada a partir de uma chave externa<br \/>\n<strong>Ferramentas<\/strong>: <a href=\"http:\/\/msdn.microsoft.com\/en-us\/library\/ms162169.aspx\">SQL Server Management Objects (SMO)<\/a><br \/>\n<strong>Principais objectos e propriedades<\/strong>: <a href=\"http:\/\/msdn.microsoft.com\/en-us\/library\/microsoft.sqlserver.management.smo.table_members.aspx\">Table<\/a>, Table.ForeignKeys, <a href=\"http:\/\/msdn.microsoft.com\/en-us\/library\/microsoft.sqlserver.management.smo.column_members.aspx\">Column<\/a>, <a href=\"http:\/\/msdn.microsoft.com\/pt-br\/library\/microsoft.sqlserver.management.smo.foreignkey_members.aspx\">ForeignKey<\/a>, <a href=\"http:\/\/msdn.microsoft.com\/pt-br\/library\/microsoft.sqlserver.management.smo.foreignkey.columns.aspx\">ForeignKeyColumn<\/a><br \/>\n<strong> Notas:<\/strong><\/p>\n<ul>\n<li> chave prim\u00e1ria e foreign key n\u00e3o composta<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>C\u00f3digo<\/strong><\/p>\n<div style=\"overflow:scroll\">\n<pre lang=\"csharp\">\nprivate static string GetReferencedKeyColumnName(Database database, Table table, Column column)\n{\n    Column c2 = new Column();\n    bool exists = false;\n    string referencedKey = \"\";\n\n    database.Refresh();\n    foreach (ForeignKey ffk in table.ForeignKeys)\n    {\n        foreach (ForeignKeyColumn fc in ffk.Columns)\n        {\n            c2 = table.Columns[fc.Name];\n            if (c2.Equals(column))\n            {\n                database.Tables[ffk.ReferencedTable].Refresh();\n                database.Tables[ffk.ReferencedTable].Indexes.Refresh();\n\n                Index idx =  database.Tables[ffk.ReferencedTable].Indexes[ffk.ReferencedKey];\n\n                if (idx == null) idx =  database.Tables[ffk.ReferencedTable].Indexes[\"[\" + ffk.ReferencedKey + \"]\"];\n\n                if (idx != null)\n                    referencedKey += idx.IndexedColumns[0].Name;\n\n                exists = true;\n                break;\n            }\n        }\n        if (exists)\n        {\n            break; \/\/ not considering composite FK\n        }\n    }\n    return referencedKey;\n}\n<\/pre>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Objectivo: Determinar o nome da tabela que est\u00e1 a ser referenciada a partir de uma chave externa Ferramentas: SQL Server Management Objects (SMO) Principais objectos e propriedades: Table, Table.ForeignKeys, Column, ForeignKey, ForeignKeyColumn Notas: chave prim\u00e1ria e foreign key n\u00e3o composta &nbsp; C\u00f3digo private static string GetReferencedKeyColumnName(Database database, Table table, Column column) { Column c2 = [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[536,601,610],"class_list":["post-1260","post","type-post","status-publish","format-standard","hentry","category-ler-ver-ouvir-passear","tag-programacao","tag-smo","tag-sql"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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