bucket
key
sequence_number
The sequence number, which is an ordinal that's included in the records for a given object. To order records of the same bucket and key, you can sort on sequence_number. For a given bucket and key, a lexicographically larger sequence_number value implies that the record was introduced to the bucket more recently.
record_type
The type of this record, one of CREATE, UPDATE_METADATA, or DELETE.
CREATE records indicate that a new object (or a new version of the object) was written to the bucket.
UPDATE_METADATA records capture changes to mutable metadata for an existing object, such as the storage class or tags.
DELETE records indicate that this object (or this version of the object) has been deleted. When versioning is enabled, DELETE records represent either a delete marker or a permanent delete. They are further disambiguated by consulting the optional is_delete_marker column.
For more information, see Deleting object versions from a versioning-enabled bucket.
NoteA permanent delete carries NULLs in all columns, except bucket, key, sequence_number, record_type, record_timestamp, and version_id (i.e. those columns marked as Required).
record_timestamp
The timestamp that's associated with this record.
version_id
The object's version ID. When you enable versioning on a bucket, Amazon S3 assigns a version number to objects that are added to the bucket. For more information, see Retaining multiple versions of objects with S3 Versioning.
Objects that are stored in your bucket before you set the versioning state have a version ID of null.
is_delete_marker
The object's delete marker status. For DELETE records that are delete markers, this value is TRUE. For permanent deletions, this value is omitted (NULL). Other record types (CREATE and UPDATE_METADATA) have value FALSE. For more information, see Working with delete markers.
Rows that are added for delete markers have a record_type value of DELETE, not UPDATE_METADATA. If the delete marker is created as the result of an S3 Lifecycle expiration, the requester value is s3.amazonaws.com.
size
The object size in bytes, not including the size of incomplete multipart uploads or object metadata. If is_delete_marker is TRUE, the size is 0. For more information, see System-defined object metadata.
last_modified_date
The object creation date or the last modified date, whichever is the latest. For multipart uploads, the object creation date is the date when the multipart upload is initiated. For more information, see System-defined object metadata.
e_tag
The entity tag (ETag), which is a hash of the object. The ETag reflects changes only to the contents of an object, not to its metadata. The ETag can be an MD5 digest of the object data. Whether the ETag is an MD5 digest depends on how the object was created and how it's encrypted. For more information, see Object in the Amazon S3 API Reference.
storage_class
The storage class thatâs used for storing the object. One of STANDARD, REDUCED_REDUNDANCY, STANDARD_IA, ONEZONE_IA, INTELLIGENT_TIERING, GLACIER, DEEP_ARCHIVE, or GLACIER_IR. For more information, see Understanding and managing Amazon S3 storage classes.
is_multipart
The object's upload type. If the object was uploaded as a multipart upload, this value is TRUE. Otherwise, it's FALSE. For more information, see Uploading and copying objects using multipart upload in Amazon S3.
encryption_status
The object's server-side encryption status, depending on what kind of encryption key is used: server-side encryption with Amazon S3 managed keys (SSE-S3), server-side encryption with AWS Key Management Service (AWS KMS) keys (SSE-KMS), dual-layer server-side encryption with AWS KMS keys (DSSE-KMS), or server-side encryption with customer-provided keys (SSE-C). If the object is unencrypted, this value is null. Possible values are SSE-S3, SSE-KMS, DSSE-KMS, SSE-C, or null. For more information, see Protecting data with encryption.
is_bucket_key_enabled
The object's S3 Bucket Key enablement status. If the object uses an S3 Bucket Key for SSE-KMS, this value is TRUE. Otherwise, it's FALSE. For more information, see Configuring an S3 Bucket Key at the object level.
kms_key_arn
The Amazon Resource Name (ARN) for the KMS key with which the object is encrypted, for rows where encryption_status is SSE-KMS or DSSE-KMS. If the object isn't encrypted with SSE-KMS or DSSE-KMS, the value is null. For more information, see Using server-side encryption with AWS KMS keys (SSE-KMS) and Using dual-layer server-side encryption with AWS KMS keys (DSSE-KMS).
If a row represents an object version that no longer existed at the time that a delete or overwrite event was processed, kms_key_arn contains a null value, even if the encryption_status column value is SSE-KMS or DSSE-KMS.
checksum_algorithm
The algorithm thatâs used to create the checksum for the object, one of CRC64NVME, CRC32, CRC32C, SHA1, or SHA256. If no checksum is present, this value is null. For more information, see Using supported checksum algorithms.
object_tags
The object tags that are associated with the object. Object tags are stored as a map of key-value pairs. If an object has no object tags, an empty map ({}) is stored. For more information, see Categorizing your objects using tags.
If the record_type value is DELETE, the object_tags column contains a null value. If the record_type value is CREATE or UPDATE_METADATA, rows that represent object versions that no longer existed at the time that a delete or overwrite event was processed will contain a null value in the object_tags column.
user_metadata
The user metadata that's associated with the object. User metadata is stored as a map of key-value pairs. If an object has no user metadata, an empty map ({}) is stored. For more information, see User-defined object metadata.
If the record_type value is DELETE, the user_metadata column contains a null value. If the record_type value is CREATE or UPDATE_METADATA, rows that represent object versions that no longer existed at the time that a delete or overwrite event was processed will contain a null value in the user_metadata column.
requester
The AWS account ID of the requester or the AWS service principal that made the request. For example, if the requester is S3 Lifecycle, this value is s3.amazonaws.com.
source_ip_address
The source IP address of the request. For records that are generated by a user request, this column contains the source IP address of the request. For actions taken by Amazon S3 or another AWS service on behalf of the user, this column contains a null value.
request_id
The request ID that's associated with the request.
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