class Cassandra::DBApi::Session

Cassandra::DBApi::Session
DB::Connection
Reference
Object

Overview

Represents a Cassandra session, establishes the actual connection to Cassandra.

Defined in:

cassandra/dbapi/session.cr

Constructors

.new(context : DB::ConnectionContext)
Creates a Session object and initiates a Cassandra cluster.

Instance Method Summary

#build_prepared_statement(query) : DB::Statement
Creates a prepared statement from a query.
#build_unprepared_statement(query) : DB::Statement
Creates an unprepared (one-off) statement from a query.
#do_close
Close the session.

Constructor Detail

def self.new(context : DB::ConnectionContext) #

Creates a Session object and initiates a Cassandra cluster.

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Instance Method Detail

def build_prepared_statement(query) : DB::Statement #

Creates a prepared statement from a query.

The statement is bound to a session and can be executed.

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def build_unprepared_statement(query) : DB::Statement #

Creates an unprepared (one-off) statement from a query.

The statement is bound to a session and can be executed.

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def do_close #

Close the session.

Closes the Cassandra session and frees memory. Also invokes cluster disposal which will actually happen if this cluster reference is the last one for that cluster. Needs to be called to prevent connection and memory leaks.

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