Postgres: removed primary key constraint on event_id (closes #1187)
Postgres: removed primary key constraint on event_id (closes #1187)

snowplow/snowplow,ClaraVista-IT/snowplow,AliciaJackson/snowplow,digitized-io/snowplow,yeghishe/snowplow,acgray/snowplow,atotech/snowplow,bigdecisions/snowplow,nakulgan/snowplow,RajeshHegde/snowplow,Propertyfinder/snowplow,danwald/snowplow,rogervaas/snowplow,ClaraVista-IT/snowplow,simplybusiness/snowplow-fork,Propertyfinder/snowplow,TimothyKlim/snowplow,snowplow/snowplow,yeghishe/snowplow,polarBearGit/snowplow,ClaraVista-IT/snowplow,simplybusiness/snowplow-fork,waysay/snowplow,snowplow/snowplow,thebeansgroup/snowplow,yonglehou/snowplow,chuwy/snowplow-ci,mdavid/lessig-bigdata,haensel-ams/snowplow,paulhendricks/snowplow,simplybusiness/snowplow-fork,yonglehou/snowplow,TimothyKlim/snowplow,yonglehou/snowplow,atotech/snowplow,haensel-ams/snowplow,wesley1001/snowplow,thebeansgroup/snowplow,nakulgan/snowplow,haensel-ams/snowplow,simplybusiness/snowplow-fork,aldemirenes/snowplow,Propertyfinder/snowplow,TimothyKlim/snowplow,Propertyfinder/snowplow,digitized-io/snowplow,conversionlogic/snowplow,jramos/snowplow,nakulgan/snowplow,aldemirenes/snowplow,liveintent-berlin/snowplow,atotech/snowplow,sspinc/snowplow,danwald/snowplow,sspinc/snowplow,waysay/snowplow,diamondo25/snowplow,AliciaJackson/snowplow,aldemirenes/snowplow,nakulgan/snowplow,acgray/snowplow,danwald/snowplow,chuwy/snowplow-ci,haensel-ams/snowplow,haensel-ams/snowplow,liveintent-berlin/snowplow,AliciaJackson/snowplow,paulhendricks/snowplow,danwald/snowplow,thebeansgroup/snowplow,RajeshHegde/snowplow,ecoron/snowplow,sspinc/snowplow,ecoron/snowplow,RetentionGrid/snowplow,RetentionGrid/snowplow,Propertyfinder/snowplow,Propertyfinder/snowplow,bigdecisions/snowplow,diamondo25/snowplow,nakulgan/snowplow,acgray/snowplow,rogervaas/snowplow,snowplow/snowplow,yeghishe/snowplow,aldemirenes/snowplow,chuwy/snowplow-ci,waysay/snowplow,yonglehou/snowplow,RajeshHegde/snowplow,ecoron/snowplow,rogervaas/snowplow,mdavid/lessig-bigdata,AliciaJackson/snowplow,nakulgan/snowplow,conversionlogic/snowplow,atotech/snowplow,wesley1001/snowplow,thebeansgroup/snowplow,atotech/snowplow,paulhendricks/snowplow,AliciaJackson/snowplow,digitized-io/snowplow,TimothyKlim/snowplow,chuwy/snowplow-ci,mdavid/lessig-bigdata,polarBearGit/snowplow,ecoron/snowplow,ecoron/snowplow,jramos/snowplow,sspinc/snowplow,jramos/snowplow,acgray/snowplow,polarBearGit/snowplow,mdavid/lessig-bigdata,simplybusiness/snowplow-fork,wesley1001/snowplow,waysay/snowplow,paulhendricks/snowplow,waysay/snowplow,RajeshHegde/snowplow,liveintent-berlin/snowplow,wesley1001/snowplow,RetentionGrid/snowplow,RajeshHegde/snowplow,diamondo25/snowplow,acgray/snowplow,haensel-ams/snowplow,simplybusiness/snowplow-fork,sspinc/snowplow,liveintent-berlin/snowplow,jramos/snowplow,aldemirenes/snowplow,RetentionGrid/snowplow,mdavid/lessig-bigdata,danwald/snowplow,sspinc/snowplow,rogervaas/snowplow,thebeansgroup/snowplow,bigdecisions/snowplow,bigdecisions/snowplow,TimothyKlim/snowplow,acgray/snowplow,conversionlogic/snowplow,diamondo25/snowplow,rogervaas/snowplow,digitized-io/snowplow,polarBearGit/snowplow,chuwy/snowplow-ci,chuwy/snowplow-ci,RajeshHegde/snowplow,bigdecisions/snowplow,conversionlogic/snowplow,yonglehou/snowplow,yeghishe/snowplow,conversionlogic/snowplow,yeghishe/snowplow,liveintent-berlin/snowplow,liveintent-berlin/snowplow,polarBearGit/snowplow,atotech/snowplow,paulhendricks/snowplow,ClaraVista-IT/snowplow,bigdecisions/snowplow,digitized-io/snowplow,RetentionGrid/snowplow,ClaraVista-IT/snowplow,jramos/snowplow,wesley1001/snowplow,aldemirenes/snowplow,diamondo25/snowplow