TableMetadataCacheUsage class
Table level detail on the usage of metadata caching.
Only set for Metadata caching eligible tables referenced in the query.
Constructors
- TableMetadataCacheUsage({String? explanation, PruningStats? pruningStats, String? staleness, TableReference? tableReference, String? tableType, String? unusedReason})
- TableMetadataCacheUsage.fromJson(Map json_)
Properties
- explanation ↔ String?
-
Free form human-readable reason metadata caching was unused for the job.
getter/setter pair
- hashCode → int
-
The hash code for this object.
no setterinherited
- pruningStats ↔ PruningStats?
-
The column metadata index pruning statistics.
getter/setter pair
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- staleness ↔ String?
-
Duration since last refresh as of this job for managed tables (indicates
metadata cache staleness as seen by this job).
getter/setter pair
- tableReference ↔ TableReference?
-
Metadata caching eligible table referenced in the query.
getter/setter pair
- tableType ↔ String?
-
Table type.
getter/setter pair
- unusedReason ↔ String?
-
Reason for not using metadata caching for the table.
Possible string values are:
getter/setter pair
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toJson(
) → Map< String, dynamic> -
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited