Struct UDF_INIT

#[repr(C)]
pub struct UDF_INIT {
    pub maybe_null: bool,
    pub decimals: c_uint,
    pub max_length: c_ulong,
    pub ptr: *mut c_char,
    pub const_item: bool,
    pub extension: *mut c_void,
}

Information about the result of a user defined function

Fields

maybe_null: bool

True if the function can return NULL

decimals: c_uint

This is used for real-returning functions

max_length: c_ulong

This is used for string functions

ptr: *mut c_char

free pointer for function data

const_item: bool

True if function always returns the same value

extension: *mut c_void

Unused at this time

Trait Implementations

impl Clone for UDF_INIT

fn clone(&self) -> UDF_INIT

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for UDF_INIT

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.