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Qore SqlUtil Module Reference
1.2
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the base class for foreign key constraint information More...

Public Member Functions | |
| clearIndex () | |
| clears any index base for the constraint | |
| private bool | equalImpl (AbstractConstraint con) |
| returns True if the argument is equal to the current object, False if not | |
| bool | hasColumn (string cname) |
| returns True if the constraint references the named column | |
| bool | setIndexBase (string ix) |
| returns True if the object supports an index property and is set, False if not | |
Public Member Functions inherited from SqlUtil::AbstractConstraint | |
| constructor (string n) | |
| creates the object and sets its name | |
| bool | equal (AbstractConstraint c) |
| returns True if the argument is equal to the current object, False if not | |
| abstract string | getCreateSql (string table_name, *hash opt) |
| returns a string that can be used to create the constraint in the database | |
| string | getDisableSql (string table_name) |
| returns a string that can be used to temporarily disable the constraint from the database; if disabling constraints is not supported, then the constraint will be dropped | |
| string | getDropSql (string table_name) |
| returns a string that can be used to drop the constraint from the database | |
| string | getEnableSql (string table_name, *hash opt) |
| returns a string that can be used to enable the constraint in the database; if disabling constraints is not supported, then the constraint will be dropped | |
| string | getName () |
| returns the constraint name | |
| abstract list | getRenameSql (string table_name, string new_name) |
| returns a list of SQL strings that can be used to rename the constraint in the database | |
| bool | hasColumn (string cname) |
| returns True if the constraint references the named column | |
| rename (string n) | |
| renames the constraint | |
Public Attributes | |
| Columns | columns |
| an object of class Columns giving the source table that make up the constraint | |
| ForeignConstraintTarget | target |
| a ForeignConstraintTarget object to describe the target table and columns | |
the base class for foreign key constraint information