本文整理汇总了C#中System.Data.Common.DbProviderManifest.GetStoreType方法的典型用法代码示例。如果您正苦于以下问题:C# DbProviderManifest.GetStoreType方法的具体用法?C# DbProviderManifest.GetStoreType怎么用?C# DbProviderManifest.GetStoreType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.Common.DbProviderManifest
的用法示例。
在下文中一共展示了DbProviderManifest.GetStoreType方法的1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: IsNarrowerThan
/// <summary>
/// Determines if this column is a narrower data type than another column.
/// Used to determine if altering the supplied column definition to this definition will result in data loss.
/// </summary>
/// <param name = "column">The column to compare to.</param>
/// <param name = "providerManifest">Details of the database provider being used.</param>
/// <returns>True if this column is of a narrower data type.</returns>
public bool IsNarrowerThan(ColumnModel column, DbProviderManifest providerManifest)
{
//Contract.Requires(column != null);
//Contract.Requires(providerManifest != null);
var typeUsage = providerManifest.GetStoreType(TypeUsage);
var otherTypeUsage = providerManifest.GetStoreType(column.TypeUsage);
return (_typeSize[Type] < _typeSize[column.Type])
|| !(IsUnicode ?? true) && (column.IsUnicode ?? true)
|| !(IsNullable ?? true) && (column.IsNullable ?? true)
|| IsNarrowerThan(typeUsage, otherTypeUsage);
}