field_name
Returns field names or counts.
Target
Signature
1field_name(position::integer= ?, -count= ?, -type= ?)Returns field names or counts.
field_name is a global callable that can be used wherever an expression is valid. field_name is part of datasource access. Prefer bind values for visitor input, inspect errors during writes, and keep display escaping separate from SQL handling.
Parameters
position- Optional value of type
integer. Supplypositionpositionally unless the signature shows a keyword form. -count- Optional value. Supply
-countby keyword, keeping the leading hyphen in the call. -type- Optional value. Supply
-typeby keyword, keeping the leading hyphen in the call.
Examples
Basic call
1field_name(-count)The example shows the call shape; use bind values and checked errors for visitor-supplied data.