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Libmergeant Reference Manual | ![]() |
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MgServerDataTypeMgServerDataType — Represents a data type in the DBMS |
MgServerDataType; MgServerDataTypePrivate; guint mg_server_data_type_get_type (void); GObject* mg_server_data_type_new (MgServer *srv); void mg_server_data_type_set_sqlname (MgServerDataType *dt, const gchar *sqlname); const gchar* mg_server_data_type_get_sqlname (MgServerDataType *dt); void mg_server_data_type_set_gda_type (MgServerDataType *dt, GdaValueType gda_type); GdaValueType mg_server_data_type_get_gda_type (MgServerDataType *dt); void mg_server_data_type_set_handler (MgServerDataType *dt, MgDataHandler *dh); MgDataHandler* mg_server_data_type_get_handler (MgServerDataType *dt);
"templ-signal" void user_function (MgServerDataType *mgserverdatatype, gpointer user_data);
DBMS systems usually have quite large set of data types (which can sometimes be expanded by users). Each MgServerDataType object represents one data type. The libgda library provides some data types, and so it is possible, for each MgServerDataType object, to get the corresponding libgda data type.
Every data type can be represented by a MgServerDataType (even user defined data types). Complex data types (data types described as the aggregation of several other data types, like C structures) are handled like any other data type and it is not possible to individually access the different components of the complex data type (it is, however, possible to write a plugin for this data type).
It implements the MgXmlStorage interface.
GObject* mg_server_data_type_new (MgServer *srv);
Creates a new MgServerDataType object
srv : |
a MgServer object |
Returns : | the new object |
void mg_server_data_type_set_sqlname (MgServerDataType *dt, const gchar *sqlname);
Set the SQL name of the data type.
dt : |
a MgServerDataType object |
sqlname : |
const gchar* mg_server_data_type_get_sqlname (MgServerDataType *dt);
Get the DBMS's name of a data type.
dt : |
a MgServerDataType object |
Returns : | the name of the data type |
void mg_server_data_type_set_gda_type (MgServerDataType *dt, GdaValueType gda_type);
Set the gda type for a data type
dt : |
a MgServerDataType object |
gda_type : |
GdaValueType mg_server_data_type_get_gda_type (MgServerDataType *dt);
Get the gda type of a data type
dt : |
a MgServerDataType object |
Returns : | the gda type |
void mg_server_data_type_set_handler (MgServerDataType *dt, MgDataHandler *dh);
Forces the MgDataHandler associated with the data type.
dt : |
a MgServerDataType object |
dh : |
an object which implements the MgDataHandler interface |
MgDataHandler* mg_server_data_type_get_handler (MgServerDataType *dt);
Get the MgDataHandler associated with the data type.
dt : |
a MgServerDataType object |
Returns : | the MgDataHandler |
void user_function (MgServerDataType *mgserverdatatype, gpointer user_data);
mgserverdatatype : |
the object which received the signal. |
user_data : |
user data set when the signal handler was connected. |
<< MgResultSet | MgServerFunction >> |