sql:connect
Creates a database connection.
Attributes
|
| The name of the JDBC driver class to be used. From Saxon 10.5 this is no longer needed, and is ignored if specified. |
|
| The name (URL) of the database. Must be a name that JDBC can associate with an
actual database. An example might be |
|
| The user name if required for connection (and if not included in the database URL). |
|
| The password if required for connection (and if not included in the database URL). |
|
| If the value is |
Saxon availability
Requires Saxon-PE or Saxon-EE. Available for Java only.
Details
The sql:connect
instruction returns a database connection as a value,
specifically a value of type "external object", which can be referred to using the
type java:java.sql.Connection
. Typically the value will be assigned
to a variable using the construct:
This can be a global variable or a local variable; if local, it can be passed to
other templates as a parameter in the normal way. The connection is used on
instructions such as sql:insert and
sql:query with an attribute such
as connection="$connection"
; the value of the connection
attribute is an expression that returns a database connection object.