field_names
Iterates or returns field names.
Target
Signature
1field_names()Iterates or returns field names.
field_names is a global callable that can be used wherever an expression is valid. field_names is part of datasource access. Prefer bind values for visitor input, inspect errors during writes, and keep display escaping separate from SQL handling.
Examples
Basic call
1field_namesThe example shows the call shape; use bind values and checked errors for visitor-supplied data.