DDL exceptions

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Moodle 2.0

In previous versions problems during upgrade were ignored by default.

Overview

Ddl exceptions.png

Defined in lib/ddllib.php for now.

ddl_exception

Base class for DDL related exceptions

ddl_table_missing_exception

Table specified in function parameter does not exist.

ddl_field_missing_exception

Field specified in function parameter does not exist.

ddl_change_structure_exception

General exception thrown during execution of sql that changes database structure.

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.