Page Summary
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Query performance info is represented in JSON format.
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The
data_processedfield indicates the size of data the query reads and can be zero, less than one MiB, or a specific number of MiB. -
The
data_processedfield is a union field, meaning only one of its subfields (zeroMb,lessThanOneMb, orprocessedMb) can be set at a time.
Performance info for the query execution.
| JSON representation |
|---|
{ // Union field |
Fields
Union field
data_processed
. Data size this query reads. See https://cloud.google.com/bigquery/pricing#data
for details on how this is calculated. data_processed
can be only one of the following:zeroMb
boolean
True if the processed data is 0 bytes.
lessThanOneMb
boolean
True if the processed data is less than 1 MiB.
processedMb
string ( int64
format)
MiB data this query reads. Set if the data size is equal to or larger than 1 MiB. -1 means we could not fetch the processed bytes for this query.
