template::util::is_unique (public)

 template::util::is_unique table columns values

Defined in packages/acs-templating/tcl/util-procs.tcl

Queries a database table for the existence of a particular row. Useful for validating form input to reduce the possibility of unique constraint violations.

Parameters:

table (required)

The name of a database table.

columns (required)

A list of columns on which to select the row.

values (required)

A list of values for each specified column.

Returns:

1 if the row exists, 0 if not

Partial Call Graph (max 5 caller/called nodes):

Testcases:

No testcase defined.