KuduColumnSchema Class Reference

Representation of the column schema. More...

#include <schema.h>

Public Types
enum	DataType {   INT8 = 0 , INT16 = 1 , INT32 = 2 , INT64 = 3 ,   STRING = 4 , BOOL = 5 , FLOAT = 6 , DOUBLE = 7 ,   BINARY = 8 , UNIXTIME_MICROS = 9 , DECIMAL = 10 , VARCHAR = 11 ,   TIMESTAMP = UNIXTIME_MICROS , DATE = 12 , SERIAL = 13 }
	Supported data types for columns. More...

Public Member Functions
	KuduColumnSchema (const KuduColumnSchema &other)
KuduColumnSchema &	operator= (const KuduColumnSchema &other)
void	CopyFrom (const KuduColumnSchema &other)
bool	Equals (const KuduColumnSchema &other) const
bool	operator== (const KuduColumnSchema &rhs) const
bool	operator!= (const KuduColumnSchema &rhs) const
KuduColumnTypeAttributes	type_attributes () const
KuduColumnStorageAttributes	storage_attributes () const
const std::string &	comment () const
Getters to expose column schema information.
Todo Expose default column value and attributes?
const std::string &	name () const
DataType	type () const
bool	is_nullable () const
bool	is_immutable () const

Static Public Member Functions
static std::string	DataTypeToString (DataType type)
static Status	StringToDataType (const std::string &type_str, DataType *type)

Detailed Description

Representation of the column schema.

Member Enumeration Documentation

DataType

enum kudu::client::KuduColumnSchema::DataType

Supported data types for columns.

Enumerator
TIMESTAMP	deprecated, use UNIXTIME_MICROS

Constructor & Destructor Documentation

KuduColumnSchema()

kudu::client::KuduColumnSchema::KuduColumnSchema

(

const KuduColumnSchema &

other

)

Construct KuduColumnSchema object as a copy of another object.

Parameters

[in]

other

The reference object to copy from.

Member Function Documentation

comment()

const std::string & kudu::client::KuduColumnSchema::comment

(

)

const

Returns

comment of the column schema.

Note

An empty string will be returned if there is no comment.

CopyFrom()

void kudu::client::KuduColumnSchema::CopyFrom

(

const KuduColumnSchema &

other

)

Make this object an identical copy of the other one.

Parameters

[in]

other

The reference object to copy from.

DataTypeToString()

std::string kudu::client::KuduColumnSchema::DataTypeToString ( DataType type )

static

Parameters

[in]

type

Column data type.

Returns

String representation of the column data type.

Equals()

bool kudu::client::KuduColumnSchema::Equals

(

const KuduColumnSchema &

other

)

const

Check whether the object is identical to the other one.

Deprecated

use operator==(const KuduColumnSchema&) instead

Parameters

[in]

other

The reference object to compare with.

Returns

true iff the object is identical to the specified one.

is_immutable()

bool kudu::client::KuduColumnSchema::is_immutable

(

)

const

Returns

true iff the column schema has the immutable attribute set.

is_nullable()

bool kudu::client::KuduColumnSchema::is_nullable

(

)

const

Returns

true iff the column schema has the nullable attribute set.

name()

const std::string & kudu::client::KuduColumnSchema::name

(

)

const

Returns

Name of the column schema.

operator!=()

bool kudu::client::KuduColumnSchema::operator!=

(

const KuduColumnSchema &

rhs

)

const

Check whether the schema is not identical to the other one.

Parameters

[in]

rhs

KuduColumnSchema object to compare this one with.

Returns

true iff this KuduColumnSchema object is not identical to the specified one.

operator=()

KuduColumnSchema & kudu::client::KuduColumnSchema::operator=

(

const KuduColumnSchema &

other

)

The assignment operator.

Parameters

[in]

other

The reference object to assign from.

Returns

The updated object.

operator==()

bool kudu::client::KuduColumnSchema::operator==

(

const KuduColumnSchema &

rhs

)

const

Check whether the schema is identical to the other one.

Parameters

[in]

rhs

KuduColumnSchema object to compare this one with.

Returns

true iff this KuduColumnSchema object is identical to the specified one.

storage_attributes()

KuduColumnStorageAttributes kudu::client::KuduColumnSchema::storage_attributes

(

)

const

Returns

Storage attributes of the column schema.

StringToDataType()

Status kudu::client::KuduColumnSchema::StringToDataType ( const std::string & type_str, DataType * type )

static

Parameters

[in]	type_str	String representation of the column data type
[out]	type	Enum representation of the column data type, Converted from string format.

Returns

Operation result status.

type()

DataType kudu::client::KuduColumnSchema::type

(

)

const

Returns

Type of the column schema.

type_attributes()

KuduColumnTypeAttributes kudu::client::KuduColumnSchema::type_attributes

(

)

const

Returns

Type attributes of the column schema.

---

The documentation for this class was generated from the following file:

• include/kudu/client/schema.h