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SqlQueryBuilder

lance::dataset::sql

Struct SqlQueryBuilder 

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pub struct SqlQueryBuilder { /* private fields */ }
Expand description

A SQL builder to prepare options for running SQL queries against a Lance dataset.

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impl SqlQueryBuilder

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pub fn new(dataset: Dataset, sql: &str) -> Self

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pub fn table_name(self, table_name: &str) -> Self

The table name to register in the datafusion context. This is used to specify a “table name” for the dataset. So that you can run SQL queries against it. If not set, the default table name is “dataset”.

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pub fn with_row_id(self, row_id: bool) -> Self

Specify if the query result should include the internal row id. If true, the query result will include an additional column named “_rowid”.

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pub fn with_row_addr(self, row_addr: bool) -> Self

Specify if the query result should include the internal row address. If true, the query result will include an additional column named “_rowaddr”.

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pub async fn build(self) -> Result<SqlQuery>

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impl Clone for SqlQueryBuilder

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fn clone(&self) -> SqlQueryBuilder

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 SqlQueryBuilder

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

Formats the value using the given formatter. Read more

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