diff options
Diffstat (limited to 'query/README')
| -rw-r--r-- | query/README | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/query/README b/query/README index c7d8d7a..98b38f1 100644 --- a/query/README +++ b/query/README @@ -8,7 +8,7 @@ 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. @@ -17,7 +17,7 @@ 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'. @@ -30,13 +30,15 @@ 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. It then persists a number of 'person' objects in the database and executes a number of queries to find objects matching various criteria. -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 @@ -47,4 +49,3 @@ Once the database schema is ready, we can run the example (using MySQL as the database): ./driver --user odb_test --database odb_test - |