参数

If some parameters are missing, ingres_connect() uses the values in php.ini for ingres.default_database, ingres.default_user and ingres.default_password.

database

The database name. Must follow the syntax:

[vnode::]dbname[/svr_class]

username

The Ingres user name

password

The password associated with username

options

ingres_connect() options

Option name	Option type	Description	Example
date_century_boundary	integer	The threshold by which a 2-digit year is determined to be in the current century or in the next century. Equivalent to II_DATE_CENTURY_BOUNDARY.	50
group	string	Specifies the group ID of the user, equivalent to the "-G" flag	payroll
role	string	The role ID of the application. If a role password is required, the parameter value should be specified as "role/password"
effective_user	string	The ingres user account being impersonated, equivalent to the "-u" flag	another_user
dbms_password	string	The internal database password for the user connecting to Ingres	s3cr3t
table_structure	string	The default structure for new tables. Valid values for table_structure are: INGRES_STRUCTURE_BTREE INGRES_STRUCTURE_HASH INGRES_STRUCTURE_HEAP INGRES_STRUCTURE_ISAM INGRES_STRUCTURE_CBTREE INGRES_STRUCTURE_CISAM INGRES_STRUCTURE_CHASH INGRES_STRUCTURE_CHEAP	INGRES_STRUCTURE_BTREE
index_structure	string	The default structure for new secondary indexes. Valid values for index_structure are: INGRES_STRUCTURE_CBTREE INGRES_STRUCTURE_CISAM INGRES_STRUCTURE_CHASH INGRES_STRUCTURE_BTREE INGRES_STRUCTURE_HASH INGRES_STRUCTURE_ISAM	INGRES_STRUCTURE_HASH
login_local	boolean	Determines how the connection user ID and password are used when a VNODE is included in the target database string. If set to TRUE, the user ID and password are used to locally access the VNODE, and the VNODE login information is used to establish the DBMS connection. If set to FALSE, the process user ID is used to access the VNODE, and the connection user ID and password are used in place of the VNODE login information to establish the DBMS connection. This parameter is ignored if no VNODE is included in the target database string. The default is FALSE.	TRUE
timezone	string	Controls the timezone of the session. If not set it will default to the value defined by II_TIMEZONE_NAME. If II_TIMEZONE_NAME is not defined, NA-PACIFIC (GMT-8 with Daylight Savings) is used.
date_format	integer	Sets the allowable input and output format for Ingres dates. Defaults to the value defined by II_DATE_FORMAT. If II_DATE_FORMAT is not set the default date format is US, e.g. mm/dd/yy. Valid values for date_format are: INGRES_DATE_DMY INGRES_DATE_FINISH INGRES_DATE_GERMAN INGRES_DATE_ISO INGRES_DATE_ISO4 INGRES_DATE_MDY INGRES_DATE_MULTINATIONAL INGRES_DATE_MULTINATIONAL4 INGRES_DATE_YMD INGRES_DATE_US	INGRES_DATE_MULTINATIONAL4
decimal_separator	string	The character identifier for decimal data	","
money_lort	integer	Leading or trailing currency sign. Valid values for money_lort are: INGRES_MONEY_LEADING INGRES_MONEY_TRAILING	INGRES_MONEY_TRAILING
money_sign	string	The currency symbol to be used with the MONEY datatype	€
money_precision	integer	The precision of the MONEY datatype	3
float4_precision	integer	Precision of the FLOAT4 datatype	10
float8_precision	integer	Precision of the FLOAT8 data	10
blob_segment_length	integer	The amount of data in bytes to fetch at a time when retrieving BLOB or CLOB data, defaults to 4096 bytes when not explicitly set	8192