Struct CekTable 

pub struct CekTable {
    pub entries: Vec<CekTableEntry>,
}

CEK table containing all Column Encryption Keys needed for a result set.

Fields

entries: Vec<CekTableEntry>

CEK entries.

Implementations

impl CekTable

pub fn new() -> Self

Create an empty CEK table.

pub fn get(&self, ordinal: u16) -> Option<&CekTableEntry>

Get a CEK entry by ordinal.

pub fn is_empty(&self) -> bool

Check if the table is empty.

pub fn len(&self) -> usize

Get the number of entries.

pub fn decode(src: &mut impl Buf) -> Result<Self, ProtocolError>

Decode a CEK table from the wire format.

Wire Format

CEK_TABLE:
  cek_count: USHORT (2 bytes)
  entries: CEK_ENTRY[cek_count]

CEK_ENTRY:
  database_id: DWORD (4 bytes)
  cek_id: DWORD (4 bytes)
  cek_version: DWORD (4 bytes)
  cek_md_version: ULONGLONG (8 bytes)
  value_count: BYTE (1 byte)
  values: CEK_VALUE[value_count]

CEK_VALUE:
  encrypted_value_length: USHORT (2 bytes)
  encrypted_value: BYTE[encrypted_value_length]
  key_store_name: B_VARCHAR
  cmk_path: US_VARCHAR
  algorithm: B_VARCHAR

Trait Implementations

impl Clone for CekTable

fn clone(&self) -> CekTable

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CekTable

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

Formats the value using the given formatter.

impl Default for CekTable

fn default() -> CekTable

Returns the “default value” for a type.