Enum object_store::aws::S3CopyIfNotExists

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#[non_exhaustive]
pub enum S3CopyIfNotExists { Header(String, String), HeaderWithStatus(String, String, StatusCode), Dynamo(DynamoCommit), }
Expand description

Configure how to provide ObjectStore::copy_if_not_exists for AmazonS3.

Variants (Non-exhaustive)§

This enum is marked as non-exhaustive
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.
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Header(String, String)

Some S3-compatible stores, such as Cloudflare R2, support copy if not exists semantics through custom headers.

If set, ObjectStore::copy_if_not_exists will perform a normal copy operation with the provided header pair, and expect the store to fail with 412 Precondition Failed if the destination file already exists.

Encoded as header:<HEADER_NAME>:<HEADER_VALUE> ignoring whitespace

For example header: cf-copy-destination-if-none-match: *, would set the header cf-copy-destination-if-none-match to *

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HeaderWithStatus(String, String, StatusCode)

The same as S3CopyIfNotExists::Header but allows custom status code checking, for object stores that return values other than 412.

Encoded as header-with-status:<HEADER_NAME>:<HEADER_VALUE>:<STATUS> ignoring whitespace

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Dynamo(DynamoCommit)

The name of a DynamoDB table to use for coordination

Encoded as either dynamo:<TABLE_NAME> or dynamo:<TABLE_NAME>:<TIMEOUT_MILLIS> ignoring whitespace. The default timeout is used if not specified

See DynamoCommit for more information

This will use the same region, credentials and endpoint as configured for S3

Trait Implementations§

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impl Clone for S3CopyIfNotExists

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fn clone(&self) -> S3CopyIfNotExists

Returns a copy 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 S3CopyIfNotExists

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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 Display for S3CopyIfNotExists

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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 PartialEq for S3CopyIfNotExists

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fn eq(&self, other: &S3CopyIfNotExists) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for S3CopyIfNotExists

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impl StructuralPartialEq for S3CopyIfNotExists

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