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

 xo::db::sql::util primary_key_exists [ -dbn dbn ] \
    -table_name table_name  -column column  [ -single_p single_p ]

Defined in packages/xotcl-core/tcl/05-db-procs.tcl

Automatically generated method

Switches:

-dbn

(optional)

-table_name

(required)

-column

(required)

-single_p

(defaults to "true") (optional)

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

Testcases:

No testcase defined.

Source code:

#function_args: {TABLE_NAME {}} {COLUMN {}} {SINGLE_P true}
foreach var [list TABLE_NAME 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__primary_key_exists($_TABLE_NAME, $_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