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DdIndexElement

mysql_handler::sys

Struct DdIndexElement 

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pub struct DdIndexElement(/* private fields */);
Expand description

Opaque MySQL data-dictionary dd::Index_element (key part)

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impl DdIndexElement

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pub fn column_ordinal(&self) -> u32

1-based ordinal position of the underlying column in the table.

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pub fn length(&self) -> u32

Prefix length in bytes (0 means the whole column).

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pub fn order(&self) -> IndexElementOrder

Sort order declared on this key part.

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pub fn is_hidden(&self) -> bool

true for key parts the SE added that are not exposed via SQL.

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impl Debug for DdIndexElement

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

Formats the value using the given formatter. Read more

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type Error = Infallible

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type Error = <U as TryFrom<T>>::Error

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