From 6ae5df8a85cd0344cc12effe788f7e09d06df372 Mon Sep 17 00:00:00 2001 From: Boris Kolpackov <boris@codesynthesis.com> Date: Tue, 26 Apr 2011 09:17:15 +0200 Subject: Add note on embedded schemas --- hello/README | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) (limited to 'hello') diff --git a/hello/README b/hello/README index 1eb36be..5929f52 100644 --- a/hello/README +++ b/hello/README @@ -10,7 +10,7 @@ person.hxx person-odb.hxx person-odb.ixx -person-odb.cxx +person-odb.cxx person.sql The first three files contain the database support code and the last file contains the database schema for the person.hxx header. @@ -19,7 +19,7 @@ person.sql following command line: odb -d <database> --generate-query --generate-schema person.hxx - + Where <database> stands for the database system we are using, for example, 'mysql'. @@ -32,13 +32,15 @@ driver.cxx headers to gain access to the persistent classes and their database support code. It also includes database.hxx for the create_database() function declaration. - + In main() the driver first calls create_database() to obtain the database instance. Then it executes a number of database transactions on persistent objects. -To run the example we first need to create the database schema. Using MySQL -as an example, this can be achieved with the following command: +To run the example we may first need to create the database schema (for some +database systems, such as SQLite, the schema is embedded into the generated +code which makes this step unnecessary). Using MySQL as an example, this +can be achieved with the following command: mysql --user=odb_test --database=odb_test < person.sql @@ -49,4 +51,3 @@ Once the database schema is ready, we can run the example (using MySQL as the database): ./driver --user odb_test --database odb_test - -- cgit v1.1