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Point of view
All features
deferred class DATABASE
Summary
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copyright
(C) 2006 Paolo Redaelli
license
LGPL v2 or later
date
$Date$
revision
$Revision$
Direct parents
Insert list: ANY
Known children
Inherit list: POSTGRESQL_DATABASE, SQLITE_DATABASE
Overview
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Features
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connect (a_connection_string: STRING)
deferred procedure
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Connect to a database as specified by a_connection_string; its syntax is implementation specific.
require
  • valid_string: a_connection_string /= Void
close
deferred procedure
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ensure
is_connected: BOOLEAN
deferred function
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last_action_success: BOOLEAN
writable attribute
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execute (some_sql: STRING)
deferred procedure
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execute some_sql.
If it contains one or more queries result_set will contain the result of the queries. set last_action_success
require
result_set: RESULT_SET[RESULT_ROW]
deferred function
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Results of the last execute command.
require ensure
  • result_not_void: Result /= Void
prepare_command (some_sql: STRING): PREPARED_COMMAND
deferred function
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Prepare a new statement from some_sql.
require
prepare_query (some_sql: STRING): PREPARED_QUERY
deferred function
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Prepare a new statement from some_sql.
require