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Fixed persistency layer.

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Now we have ODBC .. that accepts various connection string (including SQLite, MySQL,...)
  And EiffelStore+MySQL.
Updated sql scripts to work with MySQL, and SQLite.
Added a sql_statement (s: STRING): STRING that converts ROC sql statement to fit the underlying database engine.
 mostly to adapt incompatibilities such as AUTO_INCREMENT for MySQL and AUTOINCREMENT for SQLite
 by default SQL script should be written following MySQL SQL syntax.
Warning: to use ODBC persistence driver, it has to be installed on the target machine.
This commit is contained in:
Jocelyn FIAT
2015-06-18 13:55:05 +02:00
parent e37dbb0a62
commit f619727997
45 changed files with 1235 additions and 662 deletions
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52
library/persistence/implementation/store/database/database_connection.e
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@@ -12,27 +12,7 @@ inherit
feature {NONE} -- Initialization
make_common
-- Create a database handler with common settings.
deferred
ensure
db_application_not_void: db_application /= Void
db_control_not_void: db_control /= Void
end
make_basic ( a_database_name: STRING)
-- Create a database handler with common settings and
-- set database_name with `a_database_name'.
require
database_name_not_void: a_database_name /= Void
database_name_not_empty: not a_database_name.is_empty
deferred
ensure
db_application_not_void: db_application /= Void
db_control_not_void: db_control /= Void
end
make (a_username: STRING; a_password: STRING; a_hostname: STRING; a_database_name: STRING; connection: BOOLEAN)
login (a_username: STRING; a_password: STRING; a_hostname: STRING; a_database_name: STRING; connection: BOOLEAN)
-- Create a database handler with user `a_username', password `a_password',
-- host `a_hostname', database_name `a_database_name', and keep_connection `connection'.
@@ -59,6 +39,26 @@ feature {NONE} -- Initialization
db_control_not_void: db_control /= Void
end
login_with_default
-- Create a database handler with common settings.
deferred
ensure
db_application_not_void: db_application /= Void
db_control_not_void: db_control /= Void
end
login_with_database_name ( a_database_name: STRING)
-- Create a database handler with common settings and
-- set database_name with `a_database_name'.
require
database_name_not_void: a_database_name /= Void
database_name_not_empty: not a_database_name.is_empty
deferred
ensure
db_application_not_void: db_application /= Void
db_control_not_void: db_control /= Void
end
feature -- Database Setup
db_application: DATABASE_APPL [DATABASE]
@@ -168,7 +168,7 @@ feature -- Error Handling
database_error_handler: DATABASE_ERROR_HANDLER
-- Error handler.
feature -- Status Report
has_error: BOOLEAN
@@ -179,11 +179,11 @@ feature -- Status Report
feature -- Helper
exception_as_error (a_e: like {EXCEPTION_MANAGER}.last_exception)
-- Record exception as an error.
exception_as_error (a_exception: like {EXCEPTION_MANAGER}.last_exception)
-- Record exception `a_exception' as an error.
do
if attached a_e as l_e and then attached l_e.trace as l_trace then
database_error_handler.add_error_details (l_e.code, once "Exception", l_trace.as_string_32)
if a_exception /= Void and then attached a_exception.trace as l_trace then
database_error_handler.add_error_details (a_exception.code, once "Exception", l_trace)
end
end