DML exceptions
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Moodle 2.0
In previous versions problems in database calls were ignored by default.
Overview
Defined in lib/dmllib.php for now.
dml_connection_exception
Thrown when can not connect to database for any reason.
dml_read_exception
Problem occurred during reading from database. Originally indicated be returning false - this value was often confused with false return value meaning not found.
dml_write_exception
Problem occurred during writing to database. Originally indicated be returning false.
See also
- Exceptions: General guidelines for using of exceptions in Moodle 2.0
- DML functions: Where all the functions used to handle DB data. (DML) are defined.
- DDL functions: Where all the functions used to handle DB objects (DDL) are defined.
