Method try_new

datafusion/datasource/src/memory.rs:264–279

Create a new `MemorySourceConfig` for reading in-memory record batches The provided `schema` should not have the projection applied.

(
        partitions: &[Vec<RecordBatch>],
        schema: SchemaRef,
        projection: Option<Vec<usize>>,
    )

    /// Create a new `MemorySourceConfig` for reading in-memory record batches
    /// The provided `schema` should not have the projection applied.
    pub fn try_new(
        partitions: &[Vec<RecordBatch>],
        schema: SchemaRef,
        projection: Option<Vec<usize>>,
    ) -> Result<Self> {
        let projected_schema = project_schema(&schema, projection.as_ref())?;
        Ok(Self {
            partitions: partitions.to_vec(),
            schema,
            projected_schema,
            projection,
            sort_information: vec![],
            show_sizes: true,
            fetch: None,
        })
    }

    /// Create a new `DataSourceExec` plan for reading in-memory record batches
    /// The provided `schema` should not have the projection applied.