pg_field_size Returns the internal storage size of the named field intpg_field_size resourceresult intfield_number pg_field_size returns the internal storage size (in bytes) of the field number in the given PostgreSQL result. Field numbering starts at 0. A field size of -1 indicates a variable length field. This function will return &false; on error. This function used to be called pg_fieldsize(). See also pg_field_len and pg_field_type.