Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456
AvroReadOptions in datafusion::execution::options - Rust
[go: Go Back, main page]

pub struct AvroReadOptions<'a> {
    pub schema: Option<SchemaRef>,
    pub file_extension: &'a str,
    pub table_partition_cols: Vec<String>,
}
Expand description

Avro read options

Fields

schema: Option<SchemaRef>

The data source schema.

file_extension: &'a str

File extension; only files with this extension are selected for data input. Defaults to DEFAULT_AVRO_EXTENSION.

table_partition_cols: Vec<String>

Partition Columns

Implementations

Specify table_partition_cols for partition pruning

Helper to convert these user facing options to ListingTable options

Trait Implementations

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

Returns the “default value” for a type. Read more

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Should always be Self

The resulting type after obtaining ownership.

Creates owned data from borrowed data, usually by cloning. Read more

Uses borrowed data to replace owned data, usually by cloning. Read more

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.