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add video metrics to instructor reporting (#1797)
* add video metrics to instructor reporting
1 parent 7d67964 commit ba51bc8

2 files changed

Lines changed: 193 additions & 34 deletions

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‎src/ol_dbt/models/reporting/_reporting__models.yml‎

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Original file line numberDiff line numberDiff line change
@@ -400,3 +400,11 @@ models:
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the subsection.
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- name: chatbot_type
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description: string, type of the chatbot. e.g. Syllabus, Tutor, etc.
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- name: estimated_time_played
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description: int, estimated video seconds played
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- name: video_duration
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description: int, legth of the video in seconds
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- name: rewatch_indicator
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description: boolean, true if the learner is rewatching the video
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- name: video_watched_count
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description: int, count of videos watched

‎src/ol_dbt/models/reporting/instructor_module_report.sql‎

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Original file line numberDiff line numberDiff line change
@@ -10,38 +10,189 @@ with chatbot_events as (
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select * from {{ ref('dim_user') }}
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)
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, enrollment_detail as (
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select * from {{ ref('marts__combined_course_enrollment_detail') }}
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)
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, video_events as (
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select * from {{ ref('tfact_video_events') }}
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)
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, video as (
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select * from {{ ref('dim_video') }}
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)
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, video_pre_query as (
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select
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video_events.user_fk
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, video_events.courserun_readable_id
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, video_events.video_block_fk
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, max(video_events.video_duration) as video_duration
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, max(video_events.video_position) as end_time
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, min(case when video_events.event_type = 'play_video' then video_events.video_position end) as start_time
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from video_events
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inner join user
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on video_events.user_fk = user.user_pk
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where
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video_events.event_type in (
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'play_video'
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, 'seek_video'
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, 'pause_video'
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, 'stop_video'
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, 'complete_video'
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)
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group by
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video_events.user_fk
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, video_events.courserun_readable_id
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, video_events.video_block_fk
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)
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, video_watches as (
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select
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user.email
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, video_events.courserun_readable_id
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, video_events.video_block_fk
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, cast(video_events.event_timestamp as date) as activity_date
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, lag(cast(video_events.event_timestamp as date)) over (partition by user.email
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, video_events.courserun_readable_id
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, video_events.video_block_fk order by cast(video_events.event_timestamp as date)) AS PreviousDATE
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from video_events
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inner join user
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on video_events.user_fk = user.user_pk
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where
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video_events.event_type in (
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'play_video'
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)
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group by
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user.email
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, video_events.courserun_readable_id
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, video_events.video_block_fk
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, cast(video_events.event_timestamp as date)
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)
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, video_views_table as (
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select
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a.courserun_readable_id
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, a.video_block_fk
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, v.block_category
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, v.block_title
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, cc_section.block_title as section_title
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, cc_subsection.block_title as subsection_title
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, user.email
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, sum(
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cast(case when a.end_time = 'null' then '0' else a.end_time end as decimal(30, 10))
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- cast(case when a.start_time = 'null' then '0' else a.start_time end as decimal(30, 10))
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)
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as estimated_time_played
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, sum(a.video_duration) as video_duration
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from video_pre_query as a
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inner join video as c
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on
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a.courserun_readable_id = c.courserun_readable_id
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and a.video_block_fk = substring(c.video_block_pk, regexp_position(c.video_block_pk, 'block@') + 6)
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inner join user
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on a.user_fk = user.user_pk
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left join course_content as v
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on
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c.content_block_fk = v.content_block_pk
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and a.courserun_readable_id = v.courserun_readable_id
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left join course_content as cc_subsection
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on
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v.parent_block_id = cc_subsection.block_id
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and a.courserun_readable_id = cc_subsection.courserun_readable_id
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and cc_subsection.is_latest = true
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left join course_content as cc_section
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on
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cc_subsection.parent_block_id = cc_section.block_id
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and a.courserun_readable_id = cc_section.courserun_readable_id
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and cc_section.is_latest = true
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group by
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a.courserun_readable_id
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, a.video_block_fk
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, v.block_category
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, v.block_title
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, cc_section.block_title
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, cc_subsection.block_title
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, user.email
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)
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, combined_data as (
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select
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video_views_table.email as user_email
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, video_watches.activity_date
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, video_views_table.courserun_readable_id
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, 0 as chatbot_used_count
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, video_views_table.block_category
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, video_views_table.block_title
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, video_views_table.section_title
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, video_views_table.subsection_title
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, null as chatbot_type
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, video_views_table.estimated_time_played
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, video_views_table.video_duration
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, case when video_watches.PreviousDATE is not null then true else false end as rewatch_indicator
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, 1 as video_watched_count
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from video_views_table
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inner join video_watches
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on
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video_views_table.courserun_readable_id = video_watches.courserun_readable_id
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and video_views_table.video_block_fk = video_watches.video_block_fk
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and video_views_table.email = video_watches.email
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union all
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select
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user.email as user_email
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, cast(chatbot_events.event_timestamp as date) as activity_date
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, chatbot_events.courserun_readable_id
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, count(distinct chatbot_events.session_id || chatbot_events.block_id) as chatbot_used_count
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, c.block_category
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, c.block_title
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, section.block_title as section_title
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, subsection.block_title as subsection_title
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, chatbot_events.chatbot_type
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, null as estimated_time_played
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, null as video_duration
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, null as rewatch_indicator
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, null as video_watched_count
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from chatbot_events
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inner join user
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on chatbot_events.user_fk = user.user_pk
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left join course_content as c
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on
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chatbot_events.block_id = c.block_id
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and c.is_latest = true
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left join course_content as section
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on
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c.chapter_block_id = section.block_id
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and section.is_latest = true
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left join course_content as subsection
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on
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c.sequential_block_id = subsection.block_id
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and subsection.is_latest = true
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where chatbot_events.event_type = 'ol_openedx_chat.drawer.submit'
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group by
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user.email
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, cast(chatbot_events.event_timestamp as date)
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, chatbot_events.courserun_readable_id
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, c.block_category
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, c.block_title
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, section.block_title
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, subsection.block_title
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, chatbot_events.chatbot_type
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)
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select
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user.email as user_email
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, cast(chatbot_events.event_timestamp as date) as activity_date
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, chatbot_events.courserun_readable_id
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, count(distinct chatbot_events.session_id || chatbot_events.block_id) as chatbot_used_count
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, c.block_category
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, c.block_title
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, section.block_title as section_title
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, subsection.block_title as subsection_title
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, chatbot_events.chatbot_type
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from chatbot_events
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inner join user
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on chatbot_events.user_fk = user.user_pk
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left join course_content as c
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on
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chatbot_events.block_id = c.block_id
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and c.is_latest = true
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left join course_content as section
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on
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c.chapter_block_id = section.block_id
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and section.is_latest = true
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left join course_content as subsection
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on
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c.sequential_block_id = subsection.block_id
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and subsection.is_latest = true
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where chatbot_events.event_type = 'ol_openedx_chat.drawer.submit'
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group by
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user.email
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, cast(chatbot_events.event_timestamp as date)
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, chatbot_events.courserun_readable_id
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, c.block_category
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, c.block_title
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, section.block_title
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, subsection.block_title
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, chatbot_events.chatbot_type
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user_email
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, activity_date
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, courserun_readable_id
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, chatbot_used_count
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, block_category
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, block_title
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, section_title
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, subsection_title
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, chatbot_type
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, estimated_time_played
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, video_duration
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, rewatch_indicator
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, video_watched_count
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from combined_data

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