Exchange used to retrieve schema version from the keyspace. More...

#include <cql_exchange.h>

Inheritance diagram for isc::db::CqlVersionExchange:

Public Member Functions
	CqlVersionExchange ()
	Constructor. More...

virtual	~CqlVersionExchange ()
	Destructor. More...

virtual void	createBindForSelect (AnyArray &data, StatementTag statement_tag=NULL) override
	Create BIND array to receive C++ data. More...

virtual boost::any	retrieve () override
	Copy received data into the <version,minor> pair. More...

virtual VersionPair	retrieveVersion (const CqlConnection &connection)
	Standalone method used to retrieve schema version. More...

Public Member Functions inherited from isc::db::CqlExchange
	CqlExchange ()
	Constructor. More...

virtual	~CqlExchange ()
	Destructor. More...

void	executeMutation (const CqlConnection &connection, const AnyArray &assigned_values, StatementTag statement_tag)
	Executes INSERT, UPDATE or DELETE statements. More...

AnyArray	executeSelect (const CqlConnection &connection, const AnyArray &where_values, StatementTag statement_tag, const bool &single=false)
	Executes SELECT statements. More...

bool	statementApplied (CassFuture future, size_t row_count=NULL, size_t *column_count=NULL)
	Check if CQL statement has been applied. More...

Public Member Functions inherited from isc::db::SqlExchange
	SqlExchange ()
	Constructor. More...

virtual	~SqlExchange ()
	Destructor. More...

Static Public Attributes
static StatementMap	tagged_statements_
	Cassandra statements. More...


static constexpr StatementTag	GET_VERSION = "GET_VERSION"
	Statement tags definitions. More...

Additional Inherited Members
Static Public Member Functions inherited from isc::db::CqlExchange
static void	convertToDatabaseTime (const time_t &cltt, const uint32_t &valid_lifetime, cass_int64_t &expire)

static void	convertFromDatabaseTime (const cass_int64_t &expire, const cass_int64_t &valid_lifetime, time_t &cltt)
	Converts time from Cassandra format. More...

Detailed Description

Exchange used to retrieve schema version from the keyspace.

Definition at line 236 of file cql_exchange.h.

Constructor & Destructor Documentation

isc::db::CqlVersionExchange::CqlVersionExchange ( )

Constructor.

Specifies table columns.

Definition at line 987 of file cql_exchange.cc.

isc::db::CqlVersionExchange::~CqlVersionExchange ( )

virtual

Destructor.

Definition at line 990 of file cql_exchange.cc.

Member Function Documentation

void isc::db::CqlVersionExchange::createBindForSelect	(	AnyArray &	data,
		StatementTag	statement_tag = `NULL`
	)

overridevirtual

Create BIND array to receive C++ data.

Used in executeSelect() to retrieve from database

Parameters

data	array of bound objects representing data to be retrieved
statement_tag	prepared statement being executed; defaults to an invalid index

Implements isc::db::CqlExchange.

Definition at line 994 of file cql_exchange.cc.

References isc::db::AnyArray::add().

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boost::any isc::db::CqlVersionExchange::retrieve ( )

overridevirtual

Copy received data into the <version,minor> pair.

Copies information about the version to be retrieved into a pair. Called in executeSelect().

Returns: a pointer to the object retrieved.

Implements isc::db::CqlExchange.

Definition at line 1001 of file cql_exchange.cc.

VersionPair isc::db::CqlVersionExchange::retrieveVersion ( const CqlConnection & connection )

virtual

Standalone method used to retrieve schema version.

Parameters

connection array of bound objects representing data to be retrieved

Returns: version of schema specified in the prepared statement in the CqlConnection parameter

Definition at line 1007 of file cql_exchange.cc.

References isc::db::CqlExchange::executeSelect(), and GET_VERSION.

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Member Data Documentation

constexpr StatementTag isc::db::CqlVersionExchange::GET_VERSION = "GET_VERSION"

static

Statement tags definitions.

Definition at line 276 of file cql_exchange.h.

Referenced by retrieveVersion().

StatementMap isc::db::CqlVersionExchange::tagged_statements_

static

Initial value:

= {
    {GET_VERSION, {GET_VERSION, "SELECT version, minor FROM schema_version "}}
}

Cassandra statements.

Definition at line 280 of file cql_exchange.h.

Referenced by isc::db::CqlConnection::getVersion().

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

Public Member Functions

Static Public Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation