Class DbColumnWrapper

Wrapper around a DbColumn, which provides extra functionality, but can be used as a regular DbColumn

Inheritance
System.Object
System.Data.Common.DbColumn
DbColumnWrapper
Inherited Members
System.Data.Common.DbColumn.BaseSchemaName
System.Data.Common.DbColumn.Item[System.String]
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace:Microsoft.SqlTools.ServiceLayer.QueryExecution.Contracts
Assembly:Microsoft.SqlTools.ServiceLayer.dll
Syntax
public class DbColumnWrapper : DbColumn

Constructors

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DbColumnWrapper()

Default constructor, used for deserializing JSON RPC only

Declaration
public DbColumnWrapper()
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DbColumnWrapper(DbColumn)

Constructor for a DbColumnWrapper

Declaration
public DbColumnWrapper(DbColumn column)
Parameters
Type Name Description
System.Data.Common.DbColumn column

The column we're wrapping around
Remarks

Most of this logic is taken from SSMS ColumnInfo class

Properties

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AllowDBNull

Declaration
public bool ? AllowDBNull { get; }
Property Value
Type Description
System.Nullable<System.Boolean>
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BaseCatalogName

Declaration
public string BaseCatalogName { get; }
Property Value
Type Description
System.String
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BaseColumnName

Declaration
public string BaseColumnName { get; }
Property Value
Type Description
System.String
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BaseServerName

Declaration
public string BaseServerName { get; }
Property Value
Type Description
System.String
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BaseTableName

Declaration
public string BaseTableName { get; }
Property Value
Type Description
System.String
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ColumnName

Override for column name, if null or empty, we default to a "no column name" value

Declaration
public string ColumnName { get; }
Property Value
Type Description
System.String
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ColumnOrdinal

Declaration
public int ? ColumnOrdinal { get; }
Property Value
Type Description
System.Nullable<System.Int32>
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ColumnSize

Declaration
public int ? ColumnSize { get; }
Property Value
Type Description
System.Nullable<System.Int32>
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DataType

Declaration
public Type DataType { get; }
Property Value
Type Description
System.Type
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DataTypeName

Declaration
public string DataTypeName { get; }
Property Value
Type Description
System.String
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IsAliased

Declaration
public bool ? IsAliased { get; }
Property Value
Type Description
System.Nullable<System.Boolean>
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IsAutoIncrement

Declaration
public bool ? IsAutoIncrement { get; }
Property Value
Type Description
System.Nullable<System.Boolean>
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IsBytes

Whether or not the column is bytes

Declaration
public bool IsBytes { get; }
Property Value
Type Description
System.Boolean
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IsChars

Whether or not the column is a character type

Declaration
public bool IsChars { get; }
Property Value
Type Description
System.Boolean
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IsExpression

Declaration
public bool ? IsExpression { get; }
Property Value
Type Description
System.Nullable<System.Boolean>
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IsHidden

Declaration
public bool ? IsHidden { get; }
Property Value
Type Description
System.Nullable<System.Boolean>
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IsIdentity

Declaration
public bool ? IsIdentity { get; }
Property Value
Type Description
System.Nullable<System.Boolean>
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IsJson

Whether or not the column is JSON

Declaration
public bool IsJson { get; set; }
Property Value
Type Description
System.Boolean
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IsKey

Declaration
public bool ? IsKey { get; }
Property Value
Type Description
System.Nullable<System.Boolean>
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IsLong

Whether or not the column is a long type (eg, varchar(MAX))

Declaration
public bool IsLong { get; }
Property Value
Type Description
System.Boolean
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IsReadOnly

Declaration
public bool ? IsReadOnly { get; }
Property Value
Type Description
System.Nullable<System.Boolean>
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IsSqlVariant

Whether or not the column is a SqlVariant type

Declaration
public bool IsSqlVariant { get; }
Property Value
Type Description
System.Boolean
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IsUdt

Whether or not the column is a user-defined type

Declaration
public bool IsUdt { get; }
Property Value
Type Description
System.Boolean
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IsUnique

Declaration
public bool ? IsUnique { get; }
Property Value
Type Description
System.Nullable<System.Boolean>
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IsXml

Whether or not the column is XML

Declaration
public bool IsXml { get; set; }
Property Value
Type Description
System.Boolean
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NumericPrecision

Declaration
public int ? NumericPrecision { get; }
Property Value
Type Description
System.Nullable<System.Int32>
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NumericScale

Declaration
public int ? NumericScale { get; }
Property Value
Type Description
System.Nullable<System.Int32>
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UdtAssemblyQualifiedName

Declaration
public string UdtAssemblyQualifiedName { get; }
Property Value
Type Description
System.String