template::query::onevalue (private)

 template::query::onevalue statement_name db result_name sql

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

Process a onevalue query. Use a single array to store the results.

Parameters:
statement_name (required)
Standard db_api statement name used to hook into query dispatcher
db (required)
Database handle
result_name (required)
Tcl variable name to use when setting the result
sql (required)
Query to use when processing this command

Partial Call Graph (max 5 caller/called nodes):
%3 db_exec db_exec (public) template::query::onevalue template::query::onevalue template::query::onevalue->db_exec

Testcases:
No testcase defined.
Source code:

    upvar opts opts

    upvar $opts(uplevel) $result_name result
    set result ""

    set row [db_exec 0or1row $db $statement_name $sql 3]

    if { $row ne "" } {

        # Set the result in the calling frame.
        set result [ns_set value $row 0]

        if { [info exists opts(cache)] } {
            set opts(result) $result
        }
    }
XQL Not present:
Generic, PostgreSQL, Oracle
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