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DataFile

supertable_core::manifest

Struct DataFile 

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pub struct DataFile {
Show 14 fields
    pub file_path: String,
    pub file_format: FileFormat,
    pub content: FileContent,
    pub partition: HashMap<String, Value>,
    pub record_count: i64,
    pub file_size_in_bytes: i64,
    pub column_sizes: HashMap<i32, i64>,
    pub value_counts: HashMap<i32, i64>,
    pub null_value_counts: HashMap<i32, i64>,
    pub nan_value_counts: HashMap<i32, i64>,
    pub lower_bounds: HashMap<i32, Vec<u8>>,
    pub upper_bounds: HashMap<i32, Vec<u8>>,
    pub statistics: HashMap<i32, ColumnStats>,
    pub sort_order_id: Option<i32>,

}
Expand description

Metadata about a data or delete file.

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§file_path: String

Path to the file.

§file_format: FileFormat

The file format.

§content: FileContent

The type of content in this file.

§partition: HashMap<String, Value>

The partition data for this file.

§record_count: i64

Number of records in this file.

§file_size_in_bytes: i64

File size in bytes.

§column_sizes: HashMap<i32, i64>

Column sizes (column_id -> size in bytes).

§value_counts: HashMap<i32, i64>

Value counts (column_id -> non-null value count).

§null_value_counts: HashMap<i32, i64>

Null value counts (column_id -> null value count).

§nan_value_counts: HashMap<i32, i64>

NaN value counts (column_id -> NaN count).

§lower_bounds: HashMap<i32, Vec<u8>>

Lower bounds (column_id -> serialized lower bound).

§upper_bounds: HashMap<i32, Vec<u8>>

Upper bounds (column_id -> serialized upper bound).

§statistics: HashMap<i32, ColumnStats>

Column-level statistics.

§sort_order_id: Option<i32>

Sort order ID, if the file is sorted.

Implementations§

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impl DataFile

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pub fn new( file_path: impl Into<String>, file_format: FileFormat, record_count: i64, file_size_in_bytes: i64, ) -> Self

Creates a new data file with minimal required fields.

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pub fn with_partition(self, partition: HashMap<String, Value>) -> Self

Sets the partition data for this file.

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pub fn with_column_stats( self, column_id: i32, size: i64, value_count: i64, null_count: i64, ) -> Self

Adds column statistics.

Trait Implementations§

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impl Clone for DataFile

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fn clone(&self) -> DataFile

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for DataFile

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

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for DataFile

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Serialize for DataFile

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more

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