本文整理汇总了C#中System.Data.Entity.Edm.Db.DbTableMetadata.AddColumn方法的典型用法代码示例。如果您正苦于以下问题：C# DbTableMetadata.AddColumn方法的具体用法？C# DbTableMetadata.AddColumn怎么用？C# DbTableMetadata.AddColumn使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Data.Entity.Edm.Db.DbTableMetadata的用法示例。
在下文中一共展示了DbTableMetadata.AddColumn方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Apply_should_sort_unannotated_in_given_order
public void Apply_should_sort_unannotated_in_given_order()
{
var table = new DbTableMetadata();
table.AddColumn("C");
table.AddColumn("Id");
((IDbConvention<DbTableMetadata>)new ColumnOrderingConvention()).Apply(table, new DbDatabaseMetadata());
Assert.Equal(2, table.Columns.Count);
Assert.Equal("C", table.Columns.First().Name);
}示例2: Apply_should_order_by_annotation_if_given
public void Apply_should_order_by_annotation_if_given()
{
var table = new DbTableMetadata();
table.AddColumn("C").SetOrder(2);
table.AddColumn("Id").SetOrder(1);
((IDbConvention<DbTableMetadata>)new ColumnOrderingConvention()).Apply(table, new DbDatabaseMetadata());
Assert.Equal(2, table.Columns.Count);
Assert.Equal("Id", table.Columns.First().Name);
}示例3: AddColumn_should_set_properties_and_add_to_columns
public void AddColumn_should_set_properties_and_add_to_columns()
{
var table = new DbTableMetadata();
var tableColumn = table.AddColumn("Foo");
Assert.NotNull(tableColumn);
Assert.Equal("Foo", tableColumn.Name);
Assert.True(table.Columns.Contains(tableColumn));
}示例4: IncludeColumn
public static DbTableColumnMetadata IncludeColumn(DbTableMetadata table, string columnName, bool useExisting)
{
Contract.Requires(table != null);
Contract.Requires(columnName != null);
var existingColumn =
table.Columns.SingleOrDefault(c => string.Equals(c.Name, columnName, StringComparison.Ordinal));
DbTableColumnMetadata column = null;
if (existingColumn == null)
{
column = table.AddColumn(columnName);
}
else if (!useExisting
&& !existingColumn.IsPrimaryKeyColumn)
{
column = table.AddColumn(columnName);
}
else
{
column = existingColumn;
}
return AddColumn(table, column);
}示例5: GenerateIndependentForeignKeyColumns
private void GenerateIndependentForeignKeyColumns(
EdmEntityType principalEntityType,
EdmEntityType dependentEntityType,
DbAssociationSetMapping associationSetMapping,
DbAssociationEndMapping associationEndMapping,
DbTableMetadata dependentTable,
DbForeignKeyConstraintMetadata foreignKeyConstraint,
bool isPrimaryKeyColumn,
EdmNavigationProperty principalNavigationProperty)
{
//Contract.Requires(principalEntityType != null);
//Contract.Requires(associationEndMapping != null);
//Contract.Requires(dependentTable != null);
//Contract.Requires(foreignKeyConstraint != null);
foreach (var property in principalEntityType.KeyProperties())
{
var foreignKeyColumn
= dependentTable.AddColumn(
((principalNavigationProperty != null)
? principalNavigationProperty.Name
: principalEntityType.Name)
+ "_" + property.Name);
MapTableColumn(property, foreignKeyColumn, false, isPrimaryKeyColumn);
foreignKeyColumn.IsNullable = (associationEndMapping.AssociationEnd.IsOptional()
||
(associationEndMapping.AssociationEnd.IsRequired()
&& dependentEntityType.BaseType != null));
foreignKeyColumn.StoreGeneratedPattern = DbStoreGeneratedPattern.None;
foreignKeyConstraint.DependentColumns.Add(foreignKeyColumn);
associationEndMapping.PropertyMappings.Add(
new DbEdmPropertyMapping
{
Column = foreignKeyColumn,
PropertyPath = new[] { property }
});
if (foreignKeyColumn.IsNullable)
{
associationSetMapping.ColumnConditions.Add(
new DbColumnCondition
{
Column = foreignKeyColumn,
IsNull = false
});
}
}
}