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Wt
4.10.4
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Namespace for the Database Objects (Wt::Dbo). More...
Namespaces | |
| namespace | backend |
| Namespace for Dbo backends. | |
Classes | |
| class | AbstractQuery |
| An abstract dynamic database query. More... | |
| class | Call |
| A database call. More... | |
| class | collection |
| An STL container for iterating query results. More... | |
| class | Dbo |
| A base class for database objects. More... | |
| class | dbo_default_traits |
| Default traits for a class mapped with Wt::Dbo. More... | |
| class | dbo_traits |
| Traits for a class mapped with Wt::Dbo. More... | |
| class | DirectBinding |
| class | DynamicBinding |
| class | Exception |
| Exception base class for Wt::Dbo. More... | |
| class | FieldInfo |
| Description of a field. More... | |
| class | FixedSqlConnectionPool |
| A connection pool of fixed size. More... | |
| class | ForeignKeyConstraint |
| Type that indicates one or more foreign key constraints. More... | |
| class | JsonSerializer |
| An action to serialize objects to JSON. More... | |
| class | NoUniqueResultException |
| Exception thrown when a query unexpectedly finds a non-unique result. More... | |
| class | ObjectNotFoundException |
| Exception thrown when trying to load a non-existing object. More... | |
| class | ptr |
| A smart pointer for a database object. More... | |
| class | Query |
| A database query. More... | |
| class | query_result_traits |
| Traits class for result types. More... | |
| class | QueryModel |
| A Wt MVC Model to view/edit query results. More... | |
| class | Session |
| A database session. More... | |
| class | sql_value_traits |
| Traits class for value types. More... | |
| class | SqlConnection |
| Abstract base class for an SQL connection. More... | |
| class | SqlConnectionPool |
| Abstract base class for a SQL connection pool. More... | |
| class | SqlStatement |
| Abstract base class for a prepared SQL statement. More... | |
| class | StaleObjectException |
| Exception thrown when Wt::Dbo detects a concurrent modification More... | |
| class | Transaction |
| A database transaction. More... | |
| class | weak_ptr |
| A weak pointer for a database object. More... | |
Enumerations | |
| enum | RelationType { ManyToOne , ManyToMany } |
| Type of an SQL relation. More... | |
| enum class | FlushMode { Auto , Manual } |
| Enumeration that indicates the flush mode. More... | |
| enum class | SqlDateTimeType { Date , DateTime , Time } |
| Enum that defines a date time type. More... | |
| enum class | LimitQuery { Limit , RowsFromTo , Rownum , OffsetFetch , NotSupported } |
| Enum that defines a limit query type. More... | |
| enum | FieldFlags { SurrogateId = 0x1 , NaturalId = 0x2 , Version = 0x4 , Mutable = 0x8 , NeedsQuotes = 0x10 , ForeignKey = 0x20 , FirstDboField = 0x40 , LiteralJoinId = 0x80 , AuxId = 0x100 , AliasedName = 0x200 } |
| Flags. More... | |
Functions | |
| ForeignKeyConstraint | operator| (ForeignKeyConstraint lhs, ForeignKeyConstraint rhs) |
| Combines two constraints. | |
| template<class Action , typename V > | |
| void | id (Action &action, V &value, const std::string &name="id", int size=-1) |
| Maps a natural primary key (id) field. | |
| template<class Action , class C > | |
| void | id (Action &action, ptr< C > &value, const std::string &name, ForeignKeyConstraint constraints, int size=-1) |
| Maps a natural primary key (id) field that is a foreign key. | |
| template<class Action , typename V > | |
| void | field (Action &action, V &value, const std::string &name, int size=-1) |
| Maps a database object field. | |
| template<class Action , class C > | |
| void | belongsTo (Action &action, ptr< C > &value, const std::string &name=std::string()) |
| Maps the "One"-side (foreign key) of a ManyToOne or OneToOne relation. | |
| template<class Action , class C > | |
| void | belongsTo (Action &action, ptr< C > &value, const std::string &name, ForeignKeyConstraint constraints) |
| Maps the "One"-side (foreign key) of a ManyToOne or OneToOne relation. | |
| template<class Action , class C > | |
| void | belongsTo (Action &action, ptr< C > &value, ForeignKeyConstraint constraints) |
| Maps the "One"-side (foreign key) of a ManyToOne or OneToOne relation. | |
| template<class Action , class C > | |
| void | hasOne (Action &action, weak_ptr< C > &value, const std::string &name=std::string()) |
| Maps the "One"-side of a OneToOne relation. | |
| template<class Action , class C > | |
| void | hasMany (Action &action, collection< ptr< C > > &value, RelationType type, const std::string &name=std::string()) |
| Maps the "Many"-side of a ManyToOne or ManyToMany relation. | |
| template<class Action , class C > | |
| void | hasMany (Action &action, collection< ptr< C > > &value, RelationType type, const std::string &name, const std::string &joinId, ForeignKeyConstraint constraints=(NotNull|OnDeleteCascade)) |
| Maps the "Many"-side of a ManyToMany relation. | |
| template<typename C > | |
| void | jsonSerialize (const C &c, std::ostream &out) |
| Serialize the given object to the given ostream. | |
| template<typename C > | |
| void | jsonSerialize (const ptr< C > &c, std::ostream &out) |
| Serialize the object pointed to by the given ptr to the given ostream. | |
| template<typename C > | |
| void | jsonSerialize (const std::vector< ptr< C > > &v, std::ostream &out) |
| Serialize a vector of ptrs to the given ostream. | |
| template<typename C > | |
| void | jsonSerialize (const collection< C > &c, std::ostream &out) |
| Serialize a collection of ptrs to the given ostream. | |
| WTDBO_API void | setCustomLogger (const WLogSink &customLogger) |
| Sets a custom logger to redirect all logging to. | |
| void | logToWt () |
| Redirects all Dbo logging to Wt::log. | |
| template<typename T , typename ... Args> | |
| ptr< T > | make_ptr (Args &&...args) |
| Make a new ptr. | |
Variables | |
| const ForeignKeyConstraint | NotNull |
A constraint that prevents a null ptr. | |
| const ForeignKeyConstraint | OnUpdateCascade |
| A constraint that cascades updates. | |
| const ForeignKeyConstraint | OnUpdateSetNull |
| A constraint that cascades updates. | |
| const ForeignKeyConstraint | OnUpdateRestrict |
| A constraint that restricts updates. | |
| const ForeignKeyConstraint | OnDeleteCascade |
| A constraint that cascades deletes. | |
| const ForeignKeyConstraint | OnDeleteSetNull |
| A constraint that cascades deletes. | |
| const ForeignKeyConstraint | OnDeleteRestrict |
| A constraint that restricts deletes. | |
Namespace for the Database Objects (Wt::Dbo).
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strong |
Enumeration that indicates the flush mode.
| Enumerator | |
|---|---|
| Auto | Dbo decides when to flush changes to a transaction. |
| Manual | Changes are never automatically flushed. |
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strong |
Enum that defines a limit query type.
Oracle is using Rownum, Firebird is using RowsFromTo, and Microsoft SQL Server is using Top instead of limit and offset in SQL
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strong |
Serialize the given object to the given ostream.
Serialize a collection of ptrs to the given ostream.
Serialize the object pointed to by the given ptr to the given ostream.
Serialize a vector of ptrs to the given ostream.
| void Wt::Dbo::logToWt | ( | ) |
Redirects all Dbo logging to Wt::log.
Call this once at the start of your program to send all of Wt::Dbo's logging to Wt's logger.
Sets a custom logger to redirect all logging to.
Instead of using the server's default logger, this will send all logging to some custom WLogSink.