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ColumnMeta

faucet_stream::source::snowflake::convert

Struct ColumnMeta 

Source 
pub struct ColumnMeta {
    pub name: String,
    pub ty: String,
    pub scale: i64,
}
Available on crate features source-rest and source-snowflake only.
Expand description

One entry in resultSetMetaData.rowType. Only the fields we actually use are deserialised; everything else is ignored.

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§name: String

Column name as Snowflake reports it. Typically uppercase for unquoted identifiers; we keep the casing untouched.

§ty: String

Low-level Snowflake type — lowercased identifiers like "fixed", "text", "boolean", "variant", "timestamp_ntz". See the Snowflake JSON v2 result format docs.

§scale: i64

Scale of a fixed (NUMBER/DECIMAL/NUMERIC) column — the number of digits after the decimal point. Snowflake reports 0 for integer-typed fixed columns and > 0 for fractional ones. Absent for non-fixed types (defaults to 0). A non-zero scale means the cell carries a fractional decimal whose exact value is preserved losslessly as a JSON string, matching how the BigQuery source treats NUMERIC/BIGNUMERIC.

Trait Implementations§

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impl Clone for ColumnMeta

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fn clone(&self) -> ColumnMeta

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

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

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

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

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

Deserialize this value from the given Serde deserializer. Read more

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