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| | addSourceConstraint (string tname, AbstractForeignConstraint fk) |
| | adds a foreign constraint source to the unique constraint More...
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| constructor (string name, *hash< auto > cols, *string index) |
| | creates the object from the name and a hash of column information
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| constructor (string name, Columns cols, *string index) |
| | creates the object from the name and a Columns object
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| findMatchingIndex (*Indexes indexes) |
| | find an index that matches the constraint and marks both objects as related
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abstract string | getCreateSql (string table_name, *hash< auto > opts) |
| | returns a string that can be used to create the constraint in the database
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hash< auto > | getDisableReenableSql (AbstractDatasource ds, string table_name, *hash< auto > opts) |
| | returns lists of SQL strings to disable this constraint plus any dependent constraints and another list of SQL strings to reenable the same constraints; used when updating indexes that depend on constraints
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*string | getIndex () |
| | returns the name of the associated index, if any
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| Qore::AbstractIterator | getSourceConstraintIterator () |
| | returns an iterator through all known source foreign constraints on the current table More...
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bool | hasColumn (string cname) |
| | returns True if the constraint references the named column
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| removeSourceConstraint (string tname, list< auto > cols) |
| | removes a source constraint
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| renameSourceConstraintTable (string old_name, string new_name) |
| | renames a table in a source constraint
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 Public Member Methods inherited from SqlUtil::AbstractColumnConstraint |
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| clearIndex () |
| | clears any index base for the constraint
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| constructor (string name, *hash< auto > cols, *string index) |
| | creates the object from the name and a hash of column information
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| constructor (string name, Columns cols, *string index) |
| | creates the object from the name and a Columns object
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bool | setIndexBase (string ix) |
| | returns True if the object supports an index property and is set, False if not
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abstract | clearIndex () |
| | clears any index base for the constraint
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| constructor (string n) |
| | creates the object and sets its name
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bool | equal (AbstractConstraint c) |
| | returns True if the argument is equal to the current object, False if not
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abstract string | getCreateSql (string table_name, *hash< auto > opt) |
| | returns a string that can be used to create the constraint in the database
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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
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string | getDropSql (string table_name) |
| | returns a string that can be used to drop the constraint from the database
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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
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string | getName () |
| | returns the constraint name
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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
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bool | hasColumn (string cname) |
| | returns True if the constraint references the named column
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| rename (string n) |
| | renames the constraint
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abstract bool | setIndexBase (string ix) |
| | returns True if the object supports an index property and is set, False if not
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| Public Member Methods inherited from SqlUtil::Columns |
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| add (string k, AbstractColumn val) |
| | adds the given value to the hash with the given key name
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| constructor (*hash c) |
| | creates the object from the argument
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| constructor (Columns old) |
| | creates a copy of the object
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bool | equal (Columns cols) |
| | returns True if the argument has the same columns in the same order as the current object, False if not
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string | getElementName () |
| | returns "column" since this object stores column objects
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AbstractIterator | getSqlColumnNameIterator () |
| | returns an iterator for column SQL names
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| AbstractColumn | memberGate (string k) |
| | returns the AbstractColumn object corresponding to the key given or throws a KEY-ERROR exception More...
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Columns | subset (softlist l) |
| | returns a subset of the current columns according to the list<auto> argument
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AbstractColumn | take (string k) |
| | removes the given key from the contained hash and returns the value
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| | clear () |
| | purges the contained data More...
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| constructor (*hash nh) |
| | creates the object with the hash argument passed
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| constructor (AbstractHashContainer old) |
| | creates a copy of the object
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| copy (AbstractHashContainer old) |
| | creates a "deep copy" of the object
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bool | empty () |
| | returns True if the container is empty, False if not
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| *string | firstKey () |
| | Returns the first key name in the contained hash or NOTHING if the contained hash has no keys. More...
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abstract string | getElementName () |
| | must return the name of the contained element
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*hash< auto > | getHash () |
| | returns the hash contained by this object
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| bool | hasKey (string k) |
| | Returns True if the key exists in the contained hash (may or may not be assigned a value), False if not. More...
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| bool | hasKeyValue (string k) |
| | Returns True if the key exists in the contained hash and is assigned a value, False if not. More...
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| Qore::AbstractIterator | iterator () |
| | Returns a HashIterator object for the contained hash. More...
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| Qore::AbstractIterator | keyIterator () |
| | Returns a HashKeyIterator object for the contained hash. More...
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| list< string > | keys () |
| | Returns a list of key names of the contained hash. More...
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| *string | lastKey () |
| | Returns the last key name in the contained hash or NOTHING if the contained hash has no keys. More...
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| bool | matchKeys (AbstractHashContainer c) |
| | returns True if the container argument has the same keys (in any order), False if not More...
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| bool | matchKeys (hash h1) |
| | returns True if the hash argument has the same keys (in any order), False if not More...
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| bool | matchKeys (list< auto > l) |
| | returns True if the list<auto> argument has the same list of key strings as the keys in the object (in any order), False if not More...
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| auto | memberGate (string k) |
| | returns the value of the given key in the contained hash if it exists, otherwise throws a KEY-ERROR exception More...
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| Qore::AbstractIterator | pairIterator () |
| | Returns a HashPairIterator object for the contained hash. More...
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| bool | partialMatchKeys (AbstractHashContainer c) |
| | returns True if the container argument has at least the same keys (in any order, can have more keys), False if not More...
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| bool | partialMatchKeys (hash h1) |
| | returns True if the hash argument has at least the same keys (in any order, can have more keys), False if not More...
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| bool | partialMatchKeys (list< auto > l) |
| | returns True if the list<auto> argument has at least the same keys (in any order, can have more keys), False if not More...
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| renameKey (string old_name, string new_name) |
| | renames the given key; maintains the key order
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| int | size () |
| | Returns the number of keys in the contained hash. More...
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abstract auto | take (string k) |
| | removes the given key from the contained hash and returns the value
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| bool | val () |
| | Returns False if the contained hash has no keys, True if it does. More...
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| list< auto > | values () |
| | Returns a list of values of the contained hash. More...
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the API for a constraint with columns
