xo::db::sql::util proc unique_exists (public)

 xo::db::sql::util unique_exists [ -dbn dbn ] -table table  \
    -column column  [ -single_p single_p ]

Defined in /var/www/openacs.org/packages/xotcl-core/tcl/05-db-procs.tcl

Automatically generated method

Switches:

-dbn (optional)

-table (required)

-column (required)

-single_p (optional, defaults to "true")

Testcases:

No testcase defined.

Source code:

#function_args: {TABLE {}} {COLUMN {}} {SINGLE_P true}
foreach var [list TABLE COLUMN SINGLE_P]  {
  set varname [string tolower $var]
  if {[info exists $varname]} {
    set $var [set $varname]
    set _$var :$var
  } else {
    set _$var null
  }
}
set sql "
select util__unique_exists($_TABLE, $_COLUMN, $_SINGLE_P) 
    "
db_with_handle -dbn $dbn db {
  #ns_log notice "--sql=$sql"
  return [ ns_set value [ns_pg_bind 0or1row $db $sql] 0 ]
}

XQL Not present:

Generic, PostgreSQL, Oracle