These functions allow you to access Ingres II
database servers.
注: If you already used PHP extensions to access other database servers, note that Ingres doesn't allow concurrent queries and/or transaction over one connection, thus you won't find any result or transaction handle in this extension. The result of a query must be treated before sending another query, and a transaction must be commited or rolled back before opening another transaction (which is automaticaly done when sending the first query).
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To compile PHP with Ingres support, you need the
Open API library and header files included with Ingres
II.
In order to have these functions available, you
must compile PHP with Ingres support by using the --with-ingres[=DIR] option, where
DIR is the Ingres base directory, which defaults to /II/ingres. If the II_SYSTEM
environment variable isn't correctly set you may have
to use --with-ingres=DIR to
specify your Ingres installation directory.
When using this extension with Apache, if Apache
does not start and complains with "PHP Fatal error:
Unable to start ingres_ii module in Unknown on line 0"
then make sure the environement variable II_SYSTEM is
correctly set. Adding "export
II_SYSTEM="/home/ingres/II" in the script that starts
Apache, just before launching httpd, should be
fine.
php.ini中的設定會影響這些函數的行為。
表格 1. Ingres II configuration options