Struct DdColumn 

pub struct DdColumn(/* private fields */);

Opaque MySQL data-dictionary dd::Column

Implementations

impl DdColumn

pub fn name(&self) -> String

Column name as stored in the data dictionary.

pub fn column_type(&self) -> ColumnType

Column type.

pub fn is_nullable(&self) -> bool

true when the column allows NULL.

pub fn is_unsigned(&self) -> bool

true for unsigned integer columns.

pub fn char_length(&self) -> u32

Declared character length (VARCHAR(N) returns N).

pub fn is_hidden(&self) -> bool

true for any non-HT_VISIBLE column (SE-hidden, SQL-hidden, USER-hidden). Engines that build their own row layout should skip these.

pub fn ordinal_position(&self) -> u32

1-based ordinal position within the table.

Trait Implementations

impl Debug for DdColumn

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

Formats the value using the given formatter.