Development:DML exceptions: Difference between revisions
From MoodleDocs
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==Overview== | ==Overview== | ||
[[Image:Dml_exceptions.png]] | [[Image:Dml_exceptions.png]] | ||
Defined in lib/dmllib.php for now. | |||
===dml_connection_exception=== | ===dml_connection_exception=== | ||
Revision as of 17:23, 27 November 2008
Template:Moodle 2.0In 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_read_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.
