Struct dpiQueryInfo 

#[repr(C)]
pub struct dpiQueryInfo {
    pub name: *const c_char,
    pub nameLength: u32,
    pub typeInfo: dpiDataTypeInfo,
    pub nullOk: c_int,
}

This structure is used for passing query metadata from ODPI-C. It is populated by the function dpiStmt_getQueryInfo(). All values remain valid as long as a reference is held to the statement and the statement is not re-executed or closed.

Fields

name: *const c_char

Specifies the name of the column which is being queried, as a byte string in the encoding used for CHAR data.

nameLength: u32

Specifies the length of the [dpiQueryInfo.name] member, in bytes.

typeInfo: dpiDataTypeInfo

Specifies the type of data of the column that is being queried. It is a structure of type dpiDataTypeInfo.

nullOk: c_int

Specifies if the data that is being queried may return null values (1) or not (0).

Trait Implementations

impl Clone for dpiQueryInfo

fn clone(&self) -> dpiQueryInfo

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for dpiQueryInfo

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

Formats the value using the given formatter.

impl Default for dpiQueryInfo

fn default() -> Self

Returns the “default value” for a type.

impl Copy for dpiQueryInfo