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BigQuery all columns data of GA analytics

 原文  2019-03-22 05:44:10  7   1    python/ google-bigquery

Question

Is there way to get all the data of GA analytics data while querying Bigquery table. as of now I am able to achieve this upto certain columns but when I am going forward on the same line. I am getting null result. 

    SELECT visitorId,
    visitNumber,
    visitId,
    visitStartTime,
    date,
    totals.visits,
    totals.hits,
    totals.pageviews,
    totals.timeOnSite,
    totals.bounces,
    totals.transactions,
    totals.transactionRevenue,
    totals.newVisits,
    totals.screenviews,
    totals.uniqueScreenviews,
    totals.timeOnScreen,
    totals.totalTransactionRevenue,
    totals.sessionQualityDim,
    trafficSource.referralPath,
    trafficSource.campaign,
    trafficSource.source,
    trafficSource.medium,
    trafficSource.keyword,
    trafficSource.adContent,
    trafficSource.adwordsClickInfo.campaignId,
    trafficSource.adwordsClickInfo.adGroupId,
    trafficSource.adwordsClickInfo.creativeId,
    trafficSource.adwordsClickInfo.criteriaId,
    trafficSource.adwordsClickInfo.page,
    trafficSource.adwordsClickInfo.slot,
    trafficSource.adwordsClickInfo.criteriaParameters,
    trafficSource.adwordsClickInfo.gclId,
    trafficSource.adwordsClickInfo.customerId,
    trafficSource.adwordsClickInfo.adNetworkType,
    trafficSource.adwordsClickInfo.targetingCriteria.boomUserlistId,
    trafficSource.adwordsClickInfo.isVideoAd,
    trafficSource.isTrueDirect,
    trafficSource.campaignCode,
    device.browser,
    device.browserVersion,
    device.browserSize,
    device.operatingSystem,
    device.operatingSystemVersion,
    device.isMobile,
    device.mobileDeviceBranding,
    device.mobileDeviceModel,
    device.mobileInputSelector,
    device.mobileDeviceInfo,
    device.mobileDeviceMarketingName,
    device.flashVersion,
    device.javaEnabled,
    device.language,
    device.screenColors,
    device.screenResolution,
    device.deviceCategory,
    geoNetwork.continent,
    geoNetwork.subContinent,
    geoNetwork.country,
    geoNetwork.region,
    geoNetwork.metro,
    geoNetwork.city,
    geoNetwork.cityId,
    geoNetwork.networkDomain,
    geoNetwork.latitude,
    geoNetwork.longitude,
    geoNetwork.networkLocation,
    h.type,
    h.social.socialInteractionNetwork,
    h.social.socialInteractionAction,
    h.social.socialInteractions,
    h.social.socialInteractionTarget,
    h.social.socialNetwork,
    h.social.uniqueSocialInteractions,
    h.social.hasSocialSourceReferral,
    h.social.socialInteractionNetworkAction,
    h.latencyTracking.pageLoadSample,
    h.latencyTracking.pageLoadTime,
    h.latencyTracking.pageDownloadTime,
    h.latencyTracking.redirectionTime,
    h.latencyTracking.speedMetricsSample,
    h.latencyTracking.domainLookupTime,
    h.latencyTracking.serverConnectionTime,
    h.latencyTracking.serverResponseTime,
    h.latencyTracking.domLatencyMetricsSample,
    h.latencyTracking.domInteractiveTime,
    h.latencyTracking.domContentLoadedTime,
    h.latencyTracking.userTimingValue,
    h.latencyTracking.userTimingSample,
    h.latencyTracking.userTimingVariable,
    h.latencyTracking.userTimingCategory,
    h.latencyTracking.userTimingLabel,
    h.contentGroup.contentGroup1,
    h.contentGroup.contentGroup2,
    h.contentGroup.contentGroup3,
    h.contentGroup.contentGroup4,
    h.contentGroup.contentGroup5,
    h.contentGroup.previousContentGroup1,
    h.contentGroup.previousContentGroup2,
    h.contentGroup.previousContentGroup3,
    h.contentGroup.previousContentGroup4,
    h.contentGroup.previousContentGroup5,
    h.contentGroup.contentGroupUniqueViews1,
    h.contentGroup.contentGroupUniqueViews2,
    h.contentGroup.contentGroupUniqueViews3,
    h.contentGroup.contentGroupUniqueViews4,
    h.contentGroup.contentGroupUniqueViews5,
    h.dataSource,
    h.promotionActionInfo.promoIsView,
    h.promotionActionInfo.promoIsClick,
    h.refund.refundAmount,
    h.refund.localRefundAmount,
    h.eCommerceAction.action_type,
    h.eCommerceAction.step,
    h.eCommerceAction.option,
    h.publisher.dfpClicks,
    h.publisher.dfpImpressions,
    h.publisher.dfpMatchedQueries,
    h.publisher.dfpMeasurableImpressions,
    h.publisher.dfpQueries,
    h.publisher.dfpRevenueCpm,
    h.publisher.dfpRevenueCpc,
    h.publisher.dfpViewableImpressions,
    h.publisher.dfpPagesViewed,
    h.publisher.adsenseBackfillDfpClicks,
    h.publisher.adsenseBackfillDfpImpressions,
    h.publisher.adsenseBackfillDfpMatchedQueries,
    h.publisher.adsenseBackfillDfpMeasurableImpressions,
    h.publisher.adsenseBackfillDfpQueries,
    h.publisher.adsenseBackfillDfpRevenueCpm,
    h.publisher.adsenseBackfillDfpRevenueCpc,
    h.publisher.adsenseBackfillDfpViewableImpressions,
    h.publisher.adsenseBackfillDfpPagesViewed,
    h.publisher.adxBackfillDfpClicks,
    h.publisher.adxBackfillDfpImpressions,
    h.publisher.adxBackfillDfpMatchedQueries,
    h.publisher.adxBackfillDfpMeasurableImpressions,
    h.publisher.adxBackfillDfpQueries,
    h.publisher.adxBackfillDfpRevenueCpm,
    h.publisher.adxBackfillDfpRevenueCpc,
    h.publisher.adxBackfillDfpViewableImpressions,
    h.publisher.adxBackfillDfpPagesViewed,
    h.publisher.adxClicks,
    h.publisher.adxImpressions,
    h.publisher.adxMatchedQueries,
    h.publisher.adxMeasurableImpressions,
    h.publisher.adxQueries,
    h.publisher.adxRevenue,
    h.publisher.adxViewableImpressions,
    h.publisher.adxPagesViewed,
    h.publisher.adsViewed,
    h.publisher.adsUnitsViewed,
    h.publisher.adsUnitsMatched,
    h.publisher.viewableAdsViewed,
    h.publisher.measurableAdsViewed,
    h.publisher.adsPagesViewed,
    h.publisher.adsClicked,
    h.publisher.adsRevenue,
    h.publisher.dfpAdGroup,
    h.publisher.dfpAdUnits,
    h.publisher.dfpNetworkId,
    h.hitNumber,
    h.time,
    h.hour,
    h.minute,
    h.isSecure,
    h.isInteraction,
    h.isEntrance,
    h.isExit,
    h.referer,
    h.page.pagePath,

h.page.hostname,
h.page.pageTitle,
h.page.searchKeyword,
h.page.searchCategory,
h.page.pagePathLevel1,
h.page.pagePathLevel2,
h.page.pagePathLevel3,
h.page.pagePathLevel4,
h.transaction.transactionId,
h.transaction.transactionRevenue as tRevenue,
h.transaction.transactionTax,
h.transaction.transactionShipping,
h.transaction.affiliation,
h.transaction.currencyCode,
h.transaction.localTransactionRevenue,
h.transaction.localTransactionTax,
h.transaction.localTransactionShipping,
h.transaction.transactionCoupon,
h.item.transactionId as tId,
h.item.productName,
h.item.productCategory,
h.item.productSku,
h.item.itemQuantity,
h.item.itemRevenue,
h.item.currencyCode as cCode,
h.item.localItemRevenue,
h.contentInfo.contentDescription,
h.appInfo.name,
h.appInfo.version,
h.appInfo.id,
h.appInfo.installerId,
h.appInfo.appInstallerId,
h.appInfo.appName,
h.appInfo.appVersion,
h.appInfo.appId,
h.appInfo.screenName,
h.appInfo.landingScreenName,
h.appInfo.exitScreenName,
h.appInfo.screenDepth,
h.exceptionInfo.description,
h.exceptionInfo.isFatal,
h.exceptionInfo.exceptions,
h.exceptionInfo.fatalExceptions,
h.eventInfo.eventCategory,
h.eventInfo.eventAction,
h.eventInfo.eventLabel,
h.eventInfo.eventValue

FROM `bigquery-public-data.google_analytics_sample.ga_sessions_20170801`, 
UNNEST(hits) as h

I am trying this using python libraries and want to store all the columns data after unnesting into dataframe so that I can convert it into csv. Please let me know is there any possible to get the above thing. 

SELECT visitorId,
visitNumber,
visitId,
visitStartTime,
date,
totals.visits,
totals.hits,
totals.pageviews,
totals.timeOnSite,
totals.bounces,
totals.transactions,
totals.transactionRevenue,
totals.newVisits,
totals.screenviews,
totals.uniqueScreenviews,
totals.timeOnScreen,
totals.totalTransactionRevenue,
totals.sessionQualityDim,
trafficSource.referralPath,
trafficSource.campaign,
trafficSource.source,
trafficSource.medium,
trafficSource.keyword,
trafficSource.adContent,
trafficSource.adwordsClickInfo.campaignId,
trafficSource.adwordsClickInfo.adGroupId,
trafficSource.adwordsClickInfo.creativeId,
trafficSource.adwordsClickInfo.criteriaId,
trafficSource.adwordsClickInfo.page,
trafficSource.adwordsClickInfo.slot,
trafficSource.adwordsClickInfo.criteriaParameters,
trafficSource.adwordsClickInfo.gclId,
trafficSource.adwordsClickInfo.customerId,
trafficSource.adwordsClickInfo.adNetworkType,
trafficSource.adwordsClickInfo.targetingCriteria.boomUserlistId,
trafficSource.adwordsClickInfo.isVideoAd,
trafficSource.isTrueDirect,
trafficSource.campaignCode,
device.browser,
device.browserVersion,
device.browserSize,
device.operatingSystem,
device.operatingSystemVersion,
device.isMobile,
device.mobileDeviceBranding,
device.mobileDeviceModel,
device.mobileInputSelector,
device.mobileDeviceInfo,
device.mobileDeviceMarketingName,
device.flashVersion,
device.javaEnabled,
device.language,
device.screenColors,
device.screenResolution,
device.deviceCategory,
geoNetwork.continent,
geoNetwork.subContinent,
geoNetwork.country,
geoNetwork.region,
geoNetwork.metro,
geoNetwork.city,
geoNetwork.cityId,
geoNetwork.networkDomain,
geoNetwork.latitude,
geoNetwork.longitude,
geoNetwork.networkLocation,
cd.index,
cd.value,
h.hitNumber,
h.time,
h.hour,
h.minute,
h.isSecure,
h.isInteraction,
h.isEntrance,
h.isExit,
h.referer,
h.page.pagePath,
h.page.hostname,
h.page.pageTitle,
h.page.searchKeyword,
h.page.searchCategory,
h.page.pagePathLevel1,
h.page.pagePathLevel2,
h.page.pagePathLevel3,
h.page.pagePathLevel4,
h.transaction.transactionId,
h.transaction.transactionRevenue as tRevenue,
h.transaction.transactionTax,
h.transaction.transactionShipping,
h.transaction.affiliation,
h.transaction.currencyCode,
h.transaction.localTransactionRevenue,
h.transaction.localTransactionTax,
h.transaction.localTransactionShipping,
h.transaction.transactionCoupon,
h.item.transactionId as tId,
h.item.productName,
h.item.productCategory,
h.item.productSku,
h.item.itemQuantity,
h.item.itemRevenue,
h.item.currencyCode as cCode,
h.item.localItemRevenue,
h.contentInfo.contentDescription,
h.appInfo.name,
h.appInfo.version,
h.appInfo.id,
h.appInfo.installerId,
h.appInfo.appInstallerId,
h.appInfo.appName,
h.appInfo.appVersion,
h.appInfo.appId,
h.appInfo.screenName,
h.appInfo.landingScreenName,
h.appInfo.exitScreenName,
h.appInfo.screenDepth,
h.exceptionInfo.description,
h.exceptionInfo.isFatal,
h.exceptionInfo.exceptions,
h.exceptionInfo.fatalExceptions,
h.eventInfo.eventCategory,
h.eventInfo.eventAction,
h.eventInfo.eventLabel,
h.eventInfo.eventValue,
hp.productSKU as pSKU,
hp.v2ProductName,
hp.v2ProductCategory,
hp.productVariant,
hp.productBrand,
hp.productRevenue,
hp.localProductRevenue,
hp.productPrice,
hp.localProductPrice,
hp.productQuantity,
hp.productRefundAmount,
hp.localProductRefundAmount,
hp.isImpression,
hp.isClick,
hpc.index as hpcIndex,
hpc.value as hpcValue,
hpCustomMetrics.index as cusomMetricsIndex,
hpCustomMetrics.value as cusomMetricsValue,
hp.productListName,
hp.productListPosition,
hp.productCouponCode,
hpromotion.promoId, 
hpromotion.promoName,
hpromotion.promoCreative,
hpromotion.promoPosition,
h.promotionActionInfo.promoIsView,
h.promotionActionInfo.promoIsClick,
h.refund.refundAmount,
h.refund.localRefundAmount,
h.eCommerceAction.action_type,
h.eCommerceAction.step,
h.eCommerceAction.option,
hExperiment.experimentId,
hExperiment.experimentVariant,
h.publisher.dfpClicks,
h.publisher.dfpImpressions,
h.publisher.dfpMatchedQueries,
h.publisher.dfpMeasurableImpressions,
h.publisher.dfpQueries,
h.publisher.dfpRevenueCpm,
h.publisher.dfpRevenueCpc,
h.publisher.dfpViewableImpressions,
h.publisher.dfpPagesViewed,
h.publisher.adsenseBackfillDfpClicks,
h.publisher.adsenseBackfillDfpImpressions,
h.publisher.adsenseBackfillDfpMatchedQueries,
h.publisher.adsenseBackfillDfpMeasurableImpressions,
h.publisher.adsenseBackfillDfpQueries,
h.publisher.adsenseBackfillDfpRevenueCpm,
h.publisher.adsenseBackfillDfpRevenueCpc,
h.publisher.adsenseBackfillDfpViewableImpressions,
h.publisher.adsenseBackfillDfpPagesViewed,
h.publisher.adxBackfillDfpClicks,
h.publisher.adxBackfillDfpImpressions,
h.publisher.adxBackfillDfpMatchedQueries,
h.publisher.adxBackfillDfpMeasurableImpressions,
h.publisher.adxBackfillDfpQueries,
h.publisher.adxBackfillDfpRevenueCpm,
h.publisher.adxBackfillDfpRevenueCpc,
h.publisher.adxBackfillDfpViewableImpressions,
h.publisher.adxBackfillDfpPagesViewed,
h.publisher.adxClicks,
h.publisher.adxImpressions,
h.publisher.adxMatchedQueries,
h.publisher.adxMeasurableImpressions,
h.publisher.adxQueries,
h.publisher.adxRevenue,
h.publisher.adxViewableImpressions,
h.publisher.adxPagesViewed,
h.publisher.adsViewed,
h.publisher.adsUnitsViewed,
h.publisher.adsUnitsMatched,
h.publisher.viewableAdsViewed,
h.publisher.measurableAdsViewed,
h.publisher.adsPagesViewed,
h.publisher.adsClicked,
h.publisher.adsRevenue,
h.publisher.dfpAdGroup,
h.publisher.dfpAdUnits,
h.publisher.dfpNetworkId,
hcustomVariables.index as hcustomVariableIndex,
hcustomVariables.customVarName,
hcustomVariables.customVarValue,
hcustomDimensions.index as customDimensionsIndex,
hcustomDimensions.value as customDimensionsvalue,
hcustomMetrics.index as hcustoMetricsIndex,
hcustomMetrics.value as hcustomMetricsValue,
h.type,
h.social.socialInteractionNetwork,
h.social.socialInteractionAction,
h.social.socialInteractions,
h.social.socialInteractionTarget,
h.social.socialNetwork,
h.social.uniqueSocialInteractions,
h.social.hasSocialSourceReferral,
h.social.socialInteractionNetworkAction,
h.latencyTracking.pageLoadSample,
h.latencyTracking.pageLoadTime,
h.latencyTracking.pageDownloadTime,
h.latencyTracking.redirectionTime,
h.latencyTracking.speedMetricsSample,
h.latencyTracking.domainLookupTime,
h.latencyTracking.serverConnectionTime,
h.latencyTracking.serverResponseTime,
h.latencyTracking.domLatencyMetricsSample,
h.latencyTracking.domInteractiveTime,
h.latencyTracking.domContentLoadedTime,
h.latencyTracking.userTimingValue,
h.latencyTracking.userTimingSample,
h.latencyTracking.userTimingVariable,
h.latencyTracking.userTimingCategory,
h.latencyTracking.userTimingLabel,
sourcePropertyInfo.sourcePropertyDisplayName,   
sourcePropertyInfo.sourcePropertyTrackingId,
h.contentGroup.contentGroup1,
h.contentGroup.contentGroup2,
h.contentGroup.contentGroup3,
h.contentGroup.contentGroup4,
h.contentGroup.contentGroup5,
h.contentGroup.previousContentGroup1,
h.contentGroup.previousContentGroup2,
h.contentGroup.previousContentGroup3,
h.contentGroup.previousContentGroup4,
h.contentGroup.previousContentGroup5,
h.contentGroup.contentGroupUniqueViews1,
h.contentGroup.contentGroupUniqueViews2,
h.contentGroup.contentGroupUniqueViews3,
h.contentGroup.contentGroupUniqueViews4,
h.contentGroup.contentGroupUniqueViews5,
h.dataSource,
hpublisher.dfpClicks as hpublisherDfpclicks,
hpublisher.dfpImpressions as hpublisherDfpImpressions,
hpublisher.dfpMatchedQueries as hpublisherDfpMatchedQueries,
hpublisher.dfpMeasurableImpressions as hpublisherDfpMeasurableImpressions,
hpublisher.dfpQueries as hpublisherDfpQueries,
hpublisher.dfpRevenueCpm as hpublisherDfpRevenueCpm,
hpublisher.dfpRevenueCpc as hpublisherDfpRevenueCpc,
hpublisher.dfpViewableImpressions as hpublisherDfpViewableImpressions,
hpublisher.dfpPagesViewed as hpublisherDfpPagesViewed,
hpublisher.adsenseBackfillDfpClicks as hpublisherAdsenseBackfillDfpClicks,
hpublisher.adsenseBackfillDfpImpressions as hpublisherAdsenseBackfillDfpImpressions,
hpublisher.adsenseBackfillDfpMatchedQueries as hpublisherAdsenseBackfillDfpMatchedQueries,
hpublisher.adsenseBackfillDfpMeasurableImpressions as hpublisherAdsenseBackfillDfpMeasurableImpressions,
hpublisher.adsenseBackfillDfpQueries as hpublisherAdsenseBackfillDfpQueries,
hpublisher.adsenseBackfillDfpRevenueCpm as hpublisherAdsenseBackfillDfpRevenueCpm,
hpublisher.adsenseBackfillDfpRevenueCpc as hpublisherAdsenseBackfillDfpRevenueCpc,
hpublisher.adsenseBackfillDfpViewableImpressions as hpublisherAdsenseBackfillDfpViewableImpressions,
hpublisher.adsenseBackfillDfpPagesViewed as hpublisherAdsenseBackfillDfpPagesViewed,
hpublisher.adxBackfillDfpClicks as hpublisherAdxBackfillDfpClicks,
hpublisher.adxBackfillDfpImpressions as hpublisherAdxBackfillDfpImpressions,
hpublisher.adxBackfillDfpMatchedQueries as hpublisherAdxBackfillDfpMatchedQueries,
hpublisher.adxBackfillDfpMeasurableImpressions as hpublisherAdxBackfillDfpMeasurableImpressions,
hpublisher.adxBackfillDfpQueries as hpublisherAdxBackfillDfpQueries,
hpublisher.adxBackfillDfpRevenueCpm as hpublisherAdxBackfillDfpRevenueCpm,
hpublisher.adxBackfillDfpRevenueCpc as hpublisherAdxBackfillDfpRevenueCpc,
hpublisher.adxBackfillDfpViewableImpressions as hpublisherAdxBackfillDfpViewableImpressions,
hpublisher.adxBackfillDfpPagesViewed as hpublisherAdxBackfillDfpPagesViewed,
hpublisher.adxClicks as hpublisherAdxClicks,
hpublisher.adxImpressions as hpublisherAdxImpressions,
hpublisher.adxMatchedQueries as hpublisherAdxMatchedQueries,
hpublisher.adxMeasurableImpressions as hpublisherAdxMeasurableImpressions,
hpublisher.adxQueries as hpublisherAdxQueries,
hpublisher.adxRevenue as hpublisherAdxRevenue,
hpublisher.adxViewableImpressions as hpublisherAdxViewableImpressions,
hpublisher.adxPagesViewed as hpublisherAdxPagesViewed,
hpublisher.adsViewed as hpublisherAdsViewed,
hpublisher.adsUnitsViewed as hpublisherAdsUnitsViewed,
hpublisher.adsUnitsMatched as hpublisherAdsUnitsMatched,
hpublisher.viewableAdsViewed as hpublisherViewableAdsViewed,
hpublisher.measurableAdsViewed as hpublisherMeasurableAdsViewed,
hpublisher.adsPagesViewed as hpublisherAdsPagesViewed,
hpublisher.adsClicked as hpublisherAdsClicked,
hpublisher.adsRevenue as hpublisherAdsRevenue,
hpublisher.dfpAdGroup as hpublisherDfpAdGroup,
hpublisher.dfpAdUnits as hpublisherDfpAdUnits,
hpublisher.dfpNetworkId as hpublisherDfpNetworkId,
fullVisitorId,
userId,
clientId,
channelGrouping,
socialEngagementType


FROM `bigquery-public-data.google_analytics_sample.ga_sessions_20170801`, 
UNNEST(customDimensions) as cd,
UNNEST(hits) as h,
UNNEST(h.product) as hp,
UNNEST(hp.customDimensions) as hpc,
UNNEST(hp.customMetrics) as hpCustomMetrics,
UNNEST(h.promotion) as hpromotion,
UNNEST(h.experiment) as hExperiment,
UNNEST(h.customVariables) as hcustomVariables,
UNNEST(h.customDimensions) as hcustomDimensions,
UNNEST(h.customMetrics) as hcustomMetrics,
UNNEST(h.publisher_infos) as hpublisher


LIMIT 10;

1 answers

solution1
 0  2019-03-22 07:00:55

I rewrote your failed query in a simpler way, which should include every column that you want to output.

But it is not necessary, you can still list all columns (if for some reason you want to do this), just avoid UNNESTing several columns like hp.customDimensions and hp.customMetrics (and possibly other columns I removed from your query).

You will see from query below, there's no data in those column and trying to UNNEST them is the reason why you see empty result set. 

#standardSQL
SELECT visitorId,
    visitNumber,
    visitId,
    visitStartTime,
    date,
    totals.visits,
    totals.hits,
    totals.pageviews,
    totals.timeOnSite,
    totals.bounces,
    totals.transactions,
    totals.transactionRevenue,
    totals.newVisits,
    totals.screenviews,
    totals.uniqueScreenviews,
    totals.timeOnScreen,
    totals.totalTransactionRevenue,
    totals.sessionQualityDim,
    trafficSource.referralPath,
    trafficSource.campaign,
    trafficSource.source,
    trafficSource.medium,
    trafficSource.keyword,
    trafficSource.adContent,
    trafficSource.adwordsClickInfo.campaignId,
    trafficSource.adwordsClickInfo.adGroupId,
    trafficSource.adwordsClickInfo.creativeId,
    trafficSource.adwordsClickInfo.criteriaId,
    trafficSource.adwordsClickInfo.page,
    trafficSource.adwordsClickInfo.slot,
    trafficSource.adwordsClickInfo.criteriaParameters,
    trafficSource.adwordsClickInfo.gclId,
    trafficSource.adwordsClickInfo.customerId,
    trafficSource.adwordsClickInfo.adNetworkType,
    trafficSource.adwordsClickInfo.targetingCriteria.boomUserlistId,
    trafficSource.adwordsClickInfo.isVideoAd,
    trafficSource.isTrueDirect,
    trafficSource.campaignCode,
    device.browser,
    device.browserVersion,
    device.browserSize,
    device.operatingSystem,
    device.operatingSystemVersion,
    device.isMobile,
    device.mobileDeviceBranding,
    device.mobileDeviceModel,
    device.mobileInputSelector,
    device.mobileDeviceInfo,
    device.mobileDeviceMarketingName,
    device.flashVersion,
    device.javaEnabled,
    device.language,
    device.screenColors,
    device.screenResolution,
    device.deviceCategory,
    geoNetwork.continent,
    geoNetwork.subContinent,
    geoNetwork.country,
    geoNetwork.region,
    geoNetwork.metro,
    geoNetwork.city,
    geoNetwork.cityId,
    geoNetwork.networkDomain,
    geoNetwork.latitude,
    geoNetwork.longitude,
    geoNetwork.networkLocation,
    h.* EXCEPT(page, product),
    h.page as hits_page,
    hits_product.* EXCEPT (customDimensions, customMetrics),
    hits_product.customDimensions as hits_product_customDimensions,
    hits_product.customMetrics as hits_product_customMetrics
FROM `bigquery-public-data.google_analytics_sample.ga_sessions_20170801`, 
UNNEST(hits) as h, UNNEST(h.product) as hits_product

The other way of fixing your failed query is changing last part as below. LEFT JOIN prevents null result set when the column being UNNESTed is null. 

FROM `bigquery-public-data.google_analytics_sample.ga_sessions_20170801` 
LEFT JOIN UNNEST(customDimensions) as cd
LEFT JOIN UNNEST(hits) as h
LEFT JOIN UNNEST(h.product) as hp
LEFT JOIN UNNEST(hp.customDimensions) as hpc
LEFT JOIN UNNEST(hp.customMetrics) as hpCustomMetrics
LEFT JOIN UNNEST(h.promotion) as hpromotion
LEFT JOIN UNNEST(h.experiment) as hExperiment
LEFT JOIN UNNEST(h.customVariables) as hcustomVariables
LEFT JOIN UNNEST(h.customDimensions) as hcustomDimensions
LEFT JOIN UNNEST(h.customMetrics) as hcustomMetrics
LEFT JOIN UNNEST(h.publisher_infos) as hpublisher

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