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Routing Table Ranges (TA_RANGES)

Description

The ranges and associated server groups for the routing field.

Valid Values

lower[-upper]:group[, lower[-upper]:group[, ...]]

These constructs have the following values:

Construct

Description

lower

Signed numeric value or character string in single quotes. Its value must be less than or equal to that of upper.

upper

Signed numeric value or character string in single quotes.

group

The associated group to which the request is routed if the field matches the range. A group name of "*'' indicates that the request can go to any group that has a server offering the desired service.


 

Notes

The values MIN and MAX can be used to indicate the minimum and maximum values for the data type of the associated field on the machine. The asterisk, a wildcard character, is a metacharacter that, when used in the position of a range, indicates any values not covered by any previous ranges. Only one wildcard range is allowed per entry and it should be listed last, since ranges following it will be ignored.

The routing field can be of any data type supported in FML. A numeric routing field must have numeric range values, and a string routing field must have string range values.

String range values for string, carray, and character field types must be delimited by single quotes and cannot be preceded by a sign. (To embed a single quotation mark in a character string value, precede it with two backslashes.) Short and long integer values are a string of digits, optionally preceded by a plus or minus sign. Floating point numbers are of the window accepted by the C compiler or atof(3):

Examples

0:BANKB0
10000-59999:BANKB1

In the following example, entries in the range 60,000 to 69,999 are routed to BANKB2, those in the range 70,000 to 79,999 to BANKB3, and the rest to BANKB4.

60000-69999:BANKB2, 70000-79999:BANKB3, *:BANKB4

In the following example, all entries less than or equal to -5 are routed to BANKB6.

'MIN--5':BANKB6

In the following example, all entries greater than or equal to 6 are routed to BANKB7.

'6-MAX':BANKB7

 


Configuring Routing Tables (T_ROUTING Class)

Routing table attributes are listed in one tabbed folder labeled General Tab.

General Tab

The General tab contains the following fields:

 

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