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Qore SqlUtil Module Reference
1.6
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abstract class for check constraints More...
Public Member Methods | |
clearIndex () | |
clears any index base for the constraint | |
constructor (string n, string n_src) | |
creates the object and sets its name and the check clause source | |
bool | setIndexBase (string ix) |
returns True if the object supports an index property and is set, False if not | |
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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< auto > 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< auto > 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< auto > | 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 | |
string | src |
the source of the check clause | |
Private Member Methods | |
bool | equalImpl (AbstractConstraint c) |
returns True if the argument is equal to the current object, False if not | |
Additional Inherited Members | |
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string | name |
the name of the constraint | |
abstract class for check constraints