XLV. Ingres II functions

Introductie

These functions allow you to access Ingres II database servers.

Opmerking: 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).

Waarschuwing

Deze module is EXPERIMENTEEL. Dat betekent, dat het gedrag van deze functies, deze functienamen, in concreto ALLES dat hier gedocumenteerd is in een toekomstige uitgave van PHP ZONDER WAARSCHUWING kan veranderen. Wees gewaarschuwd, en gebruik deze module op eigen risico.

Afhankelijkheden

To compile PHP with Ingres support, you need the Open API library and header files included with Ingres II.

Installatie

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.

Configuratie tijdens scriptuitvoer

Het gedrag van deze functies wordt be�nvloed vanuit php.ini.

Tabel 1. Ingres II configuration options

Name	Default	Changeable
ingres.allow_persistent	"1"	PHP_INI_SYSTEM
ingres.max_persistent	"-1"	PHP_INI_SYSTEM
ingres.max_links	"-1"	PHP_INI_SYSTEM
ingres.default_database	NULL	PHP_INI_ALL
ingres.default_user	NULL	PHP_INI_ALL
ingres.default_password	NULL	PHP_INI_ALL

For further details and definition of the PHP_INI_* constants see ini_set().

Resource types

Deze extensie maakt geen gebruik van resources.

Voorgedefineerde constanten

Deze constanten worden gedefineerd door deze extensie, en zullen alleen beschikbaar zijn als de extensie met PHP is meegecompileerd, of als deze dynamisch is geladen vanuit een script.

INGRES_ASSOC (integer)
INGRES_NUM (integer)
INGRES_BOTH (integer)

Inhoudsopgave
ingres_autocommit -- Switch autocommit on or off
ingres_close -- Close an Ingres II database connection
ingres_commit -- Commit a transaction
ingres_connect -- Open a connection to an Ingres II database
ingres_fetch_array -- Fetch a row of result into an array
ingres_fetch_object -- Fetch a row of result into an object.
ingres_fetch_row -- Fetch a row of result into an enumerated array
ingres_field_length -- Get the length of a field
ingres_field_name -- Get the name of a field in a query result.
ingres_field_nullable -- Test if a field is nullable
ingres_field_precision -- Get the precision of a field
ingres_field_scale -- Get the scale of a field
ingres_field_type -- Get the type of a field in a query result
ingres_num_fields -- Get the number of fields returned by the last query
ingres_num_rows -- Get the number of rows affected or returned by the last query
ingres_pconnect -- Open a persistent connection to an Ingres II database
ingres_query -- Send a SQL query to Ingres II
ingres_rollback -- Roll back a transaction


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