Struct OrdinalAssigner 

pub(crate) struct OrdinalAssigner {
    first_has_ordinal: Option<bool>,
}

Assign RowGroupMetaData::ordinal if it is missing.

Fields

first_has_ordinal: Option<bool>

Implementations

impl OrdinalAssigner

fn new() -> Self

fn ensure( &mut self, actual_ordinal: i16, rg: RowGroupMetaData, ) -> Result<RowGroupMetaData>

Sets RowGroupMetaData::ordinal if it is missing.

Arguments

• actual_ordinal: The ordinal (index) of the row group being processed in the file metadata.
• rg: The RowGroupMetaData to potentially modify.

Ensures:

1. If the first row group has an ordinal, all subsequent row groups must also have ordinals.
2. If the first row group does NOT have an ordinal, all subsequent row groups must also not have ordinals.

Trait Implementations

impl Debug for OrdinalAssigner

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

Formats the value using the given formatter.

impl Default for OrdinalAssigner

fn default() -> OrdinalAssigner

Returns the “default value” for a type.