Zero Metrics

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Zero metrics in search results

When you execute a query, you may encounter metrics for entities that are zero. This could be because:

  • The entities are ineligible for display.
  • They could have been paused within the report's date range.

With query results, you often want to obtain information about how your campaigns are performing. In this context, zero metrics may not be desirable. To produce a more useful report, you can explicitly exclude zero metrics.

Exclude zero metrics with a predicate

A predicate is an expression that evaluates to TRUE, FALSE, or UNKNOWN. They are used in the search condition of the WHERE clauses in Google Ads Query Language.

The following query demonstrates how to explicitly remove zero metrics with a predicate:

SELECT
  campaign.id,
  metrics.impressions
FROM campaign
WHERE metrics.impressions > 0

Exclude zero metrics by segmenting

Zero metrics are always excluded when segmenting a report, provided all selected metrics are zero (see below).

Segmenting a report is done by including any segments field in the search query. For example, if you segment a report by segments.date, metrics are broken down with one row for each date. Dates with no metrics are not returned in such a report.

For the following query, the report won't include zero metric rows:

SELECT
  campaign.name,
  metrics.impressions,
  segments.date
FROM campaign
WHERE segments.date DURING LAST_30_DAYS

Returned rows with zero metrics

Rows whose selected metrics are all zero won't be returned.

For example:

SELECT
  ad_group_criterion.criterion_id,
  metrics.impressions,
  metrics.clicks,
  metrics.conversions,
  segments.date
FROM keyword_view
WHERE segments.date BETWEEN <date1> AND <date2>

The resulting report won't contain any rows in which all three selected metrics are zero.