dmllib.php File Reference

Classes
class	dml_connection_exception
	DML db connection exception - triggered if database not accessible. More...
class	dml_exception
	DML exception class, use instead of throw new moodle_exception() in dml code. More...
class	dml_missing_record_exception
	Caused by missing record that is required for normal operation. More...
class	dml_multiple_records_exception
	Caused by multiple records found in get_record() call. More...
class	dml_read_exception
	DML read exception - triggered by some SQL syntax errors, etc. More...
class	dml_sessionwait_exception
	DML db session wait exception - triggered when session lock request times out. More...
class	dml_transaction_exception
	DML transaction exception - triggered by problems related to DB transactions. More...
class	dml_write_exception
	DML write exception - triggered by some SQL syntax errors, etc. More...

Functions
stdClass	setup_DB ()
	Sets up global $DB moodle_database instance.

Variables
const	IGNORE_MISSING 0
	Return false if record not found, show debug warning if multiple records found.
const	IGNORE_MULTIPLE 1
	Similar to IGNORE_MISSING but does not show debug warning if multiple records found, not recommended to be used.
const	MUST_EXIST 2
	Indicates exactly one record must exist.