Class CqlReader
Reads a forward-only stream of rows from Cassandra.
Inheritance
System.Object
System.MarshalByRefObject
System.Data.Common.DbDataReader
CqlReader
Implements
System.Collections.IEnumerable
System.Data.IDataReader
System.Data.IDataRecord
System.IDisposable
Inherited Members
System.Data.Common.DbDataReader.Dispose(System.Boolean)
System.Data.Common.DbDataReader.GetDbDataReader(System.Int32)
System.Data.Common.DbDataReader.GetFieldValue<T>(System.Int32)
System.Data.Common.DbDataReader.GetFieldValueAsync<T>(System.Int32)
System.Data.Common.DbDataReader.GetFieldValueAsync<T>(System.Int32, System.Threading.CancellationToken)
System.Data.Common.DbDataReader.GetStream(System.Int32)
System.Data.Common.DbDataReader.GetTextReader(System.Int32)
System.Data.Common.DbDataReader.IsDBNullAsync(System.Int32)
System.Data.Common.DbDataReader.IsDBNullAsync(System.Int32, System.Threading.CancellationToken)
System.Data.Common.DbDataReader.NextResultAsync()
System.Data.Common.DbDataReader.NextResultAsync(System.Threading.CancellationToken)
System.Data.Common.DbDataReader.ReadAsync()
System.Data.Common.DbDataReader.ReadAsync(System.Threading.CancellationToken)
System.Data.Common.DbDataReader.System.Data.IDataRecord.GetData(System.Int32)
System.Data.Common.DbDataReader.VisibleFieldCount
System.MarshalByRefObject.GetLifetimeService()
System.MarshalByRefObject.InitializeLifetimeService()
System.MarshalByRefObject.MemberwiseClone(System.Boolean)
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: Cassandra.Data
Assembly: Cassandra.dll
Syntax
public class CqlReader : DbDataReader, IEnumerable, IDataReader, IDataRecord, IDisposableProperties
Depth
Declaration
public override int Depth { get; }Property Value
| Type | Description |
|---|---|
| System.Int32 |
Overrides
System.Data.Common.DbDataReader.Depth
FieldCount
Declaration
public override int FieldCount { get; }Property Value
| Type | Description |
|---|---|
| System.Int32 |
Overrides
System.Data.Common.DbDataReader.FieldCount
HasRows
Declaration
public override bool HasRows { get; }Property Value
| Type | Description |
|---|---|
| System.Boolean |
Overrides
System.Data.Common.DbDataReader.HasRows
IsClosed
Declaration
public override bool IsClosed { get; }Property Value
| Type | Description |
|---|---|
| System.Boolean |
Overrides
System.Data.Common.DbDataReader.IsClosed
Item[Int32]
Declaration
public override object this[int ordinal] { get; }Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | ordinal |
Property Value
| Type | Description |
|---|---|
| System.Object |
Overrides
System.Data.Common.DbDataReader.Item[System.Int32]
Item[String]
Declaration
public override object this[string name] { get; }Parameters
| Type | Name | Description |
|---|---|---|
| System.String | name |
Property Value
| Type | Description |
|---|---|
| System.Object |
Overrides
System.Data.Common.DbDataReader.Item[System.String]
RecordsAffected
Declaration
public override int RecordsAffected { get; }Property Value
| Type | Description |
|---|---|
| System.Int32 |
Overrides
System.Data.Common.DbDataReader.RecordsAffected
Methods
Close()
Declaration
public override void Close()Overrides
System.Data.Common.DbDataReader.Close()
GetBoolean(Int32)
Declaration
public override bool GetBoolean(int ordinal)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | ordinal |
Returns
| Type | Description |
|---|---|
| System.Boolean |
Overrides
System.Data.Common.DbDataReader.GetBoolean(System.Int32)
GetByte(Int32)
Declaration
public override byte GetByte(int ordinal)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | ordinal |
Returns
| Type | Description |
|---|---|
| System.Byte |
Overrides
System.Data.Common.DbDataReader.GetByte(System.Int32)
GetBytes(Int32, Int64, Byte[], Int32, Int32)
Declaration
public override long GetBytes(int ordinal, long dataOffset, byte[] buffer, int bufferOffset, int length)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | ordinal | |
| System.Int64 | dataOffset | |
| System.Byte[] | buffer | |
| System.Int32 | bufferOffset | |
| System.Int32 | length |
Returns
| Type | Description |
|---|---|
| System.Int64 |
Overrides
System.Data.Common.DbDataReader.GetBytes(System.Int32, System.Int64, System.Byte[], System.Int32, System.Int32)
GetChar(Int32)
Declaration
public override char GetChar(int ordinal)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | ordinal |
Returns
| Type | Description |
|---|---|
| System.Char |
Overrides
System.Data.Common.DbDataReader.GetChar(System.Int32)
GetChars(Int32, Int64, Char[], Int32, Int32)
Declaration
public override long GetChars(int ordinal, long dataOffset, char[] buffer, int bufferOffset, int length)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | ordinal | |
| System.Int64 | dataOffset | |
| System.Char[] | buffer | |
| System.Int32 | bufferOffset | |
| System.Int32 | length |
Returns
| Type | Description |
|---|---|
| System.Int64 |
Overrides
System.Data.Common.DbDataReader.GetChars(System.Int32, System.Int64, System.Char[], System.Int32, System.Int32)
GetDataTypeName(Int32)
Declaration
public override string GetDataTypeName(int ordinal)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | ordinal |
Returns
| Type | Description |
|---|---|
| System.String |
Overrides
System.Data.Common.DbDataReader.GetDataTypeName(System.Int32)
GetDateTime(Int32)
Declaration
public override DateTime GetDateTime(int ordinal)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | ordinal |
Returns
| Type | Description |
|---|---|
| System.DateTime |
Overrides
System.Data.Common.DbDataReader.GetDateTime(System.Int32)
GetDecimal(Int32)
Declaration
public override decimal GetDecimal(int ordinal)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | ordinal |
Returns
| Type | Description |
|---|---|
| System.Decimal |
Overrides
System.Data.Common.DbDataReader.GetDecimal(System.Int32)
GetDouble(Int32)
Declaration
public override double GetDouble(int ordinal)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | ordinal |
Returns
| Type | Description |
|---|---|
| System.Double |
Overrides
System.Data.Common.DbDataReader.GetDouble(System.Int32)
GetEnumerator()
Declaration
public override IEnumerator GetEnumerator()Returns
| Type | Description |
|---|---|
| System.Collections.IEnumerator |
Overrides
System.Data.Common.DbDataReader.GetEnumerator()
GetFieldType(Int32)
Declaration
public override Type GetFieldType(int ordinal)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | ordinal |
Returns
| Type | Description |
|---|---|
| System.Type |
Overrides
System.Data.Common.DbDataReader.GetFieldType(System.Int32)
GetFloat(Int32)
Declaration
public override float GetFloat(int ordinal)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | ordinal |
Returns
| Type | Description |
|---|---|
| System.Single |
Overrides
System.Data.Common.DbDataReader.GetFloat(System.Int32)
GetGuid(Int32)
Declaration
public override Guid GetGuid(int ordinal)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | ordinal |
Returns
| Type | Description |
|---|---|
| System.Guid |
Overrides
System.Data.Common.DbDataReader.GetGuid(System.Int32)
GetInt16(Int32)
Declaration
public override short GetInt16(int ordinal)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | ordinal |
Returns
| Type | Description |
|---|---|
| System.Int16 |
Overrides
System.Data.Common.DbDataReader.GetInt16(System.Int32)
GetInt32(Int32)
Declaration
public override int GetInt32(int ordinal)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | ordinal |
Returns
| Type | Description |
|---|---|
| System.Int32 |
Overrides
System.Data.Common.DbDataReader.GetInt32(System.Int32)
GetInt64(Int32)
Declaration
public override long GetInt64(int ordinal)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | ordinal |
Returns
| Type | Description |
|---|---|
| System.Int64 |
Overrides
System.Data.Common.DbDataReader.GetInt64(System.Int32)
GetName(Int32)
Declaration
public override string GetName(int ordinal)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | ordinal |
Returns
| Type | Description |
|---|---|
| System.String |
Overrides
System.Data.Common.DbDataReader.GetName(System.Int32)
GetOrdinal(String)
Declaration
public override int GetOrdinal(string name)Parameters
| Type | Name | Description |
|---|---|---|
| System.String | name |
Returns
| Type | Description |
|---|---|
| System.Int32 |
Overrides
System.Data.Common.DbDataReader.GetOrdinal(System.String)
GetSchemaTable()
Declaration
public override DataTable GetSchemaTable()Returns
| Type | Description |
|---|---|
| System.Data.DataTable |
Overrides
System.Data.Common.DbDataReader.GetSchemaTable()
GetString(Int32)
Declaration
public override string GetString(int ordinal)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | ordinal |
Returns
| Type | Description |
|---|---|
| System.String |
Overrides
System.Data.Common.DbDataReader.GetString(System.Int32)
GetValue(Int32)
Declaration
public override object GetValue(int ordinal)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | ordinal |
Returns
| Type | Description |
|---|---|
| System.Object |
Overrides
System.Data.Common.DbDataReader.GetValue(System.Int32)
GetValues(Object[])
Declaration
public override int GetValues(object[] values)Parameters
| Type | Name | Description |
|---|---|---|
| System.Object[] | values |
Returns
| Type | Description |
|---|---|
| System.Int32 |
Overrides
System.Data.Common.DbDataReader.GetValues(System.Object[])
IsDBNull(Int32)
Declaration
public override bool IsDBNull(int ordinal)Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | ordinal |
Returns
| Type | Description |
|---|---|
| System.Boolean |
Overrides
System.Data.Common.DbDataReader.IsDBNull(System.Int32)
NextResult()
Declaration
public override bool NextResult()Returns
| Type | Description |
|---|---|
| System.Boolean |
Overrides
System.Data.Common.DbDataReader.NextResult()
Read()
Declaration
public override bool Read()Returns
| Type | Description |
|---|---|
| System.Boolean |
Overrides
System.Data.Common.DbDataReader.Read()
Implements
System.Collections.IEnumerable
System.Data.IDataReader
System.Data.IDataRecord
System.IDisposable