Rows returned is wrong

['oliver zhao' via AdWords API and Google Ads API Forum]

Hi,

I'm using GoogleAds API V9.
GAQL Query: 
SELECT
                customer.currency_code,
                ad_group.id,
                metrics.average_cpc,
                metrics.average_cpm,
                campaign.id,
                metrics.clicks,
                metrics.conversions_from_interactions_rate,
                metrics.conversions,
                metrics.cost_micros,
                metrics.cost_per_conversion,
                ad_group_criterion.quality_info.creative_quality_score,
                ad_group_criterion.quality_info.post_click_quality_score,
                ad_group_criterion.quality_info.search_predicted_ctr,
                metrics.ctr,
                segments.date,
                ad_group_criterion.position_estimates.first_page_cpc_micros,
                ad_group_criterion.position_estimates.top_of_page_cpc_micros,
                ad_group_criterion.criterion_id,
                metrics.impressions,
                ad_group_criterion.effective_cpc_bid_micros,
                ad_group_criterion.effective_cpm_bid_micros,
                ad_group_criterion.quality_info.quality_score,
                metrics.search_exact_match_impression_share,
                metrics.search_impression_share,
                metrics.search_rank_lost_impression_share,
                metrics.conversions_value,
                metrics.value_per_conversion,
                metrics.view_through_conversions,
                metrics.absolute_top_impression_percentage,
                metrics.top_impression_percentage 
            FROM keyword_view
            WHERE segments.date BETWEEN '20211201' AND '20211201'

as expected, there should be no records which impressions = 0. but I found 
one in the result.

Thanks,
Oliver

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