Alter column adding default values

alter_default_value_in_column/datasources/analytics_events.datasource

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+TOKEN "tracker" APPEND
+
+DESCRIPTION >
+    Analytics events landing data source
+
+SCHEMA >
+    `timestamp` DateTime `json:$.timestamp`,
+    `session_id` String `json:$.session_id`,
+    `action` LowCardinality(String) `json:$.action`,
+    `version` LowCardinality(String) `json:$.version`,
+    `payload` String `json:$.payload`
+
+ENGINE "MergeTree"
+ENGINE_PARTITION_KEY "toYYYYMM(timestamp)"
+ENGINE_SORTING_KEY "timestamp"
+ENGINE_TTL "timestamp + toIntervalDay(60)"

alter_default_value_in_column/datasources/analytics_pages_mv.datasource

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+
+SCHEMA >
+    `date` Date,
+    `device` String,
+    `browser` String,
+    `location` String,
+    `pathname` String,
+    `visits` AggregateFunction(uniq, String),
+    `hits` AggregateFunction(count)
+
+ENGINE "AggregatingMergeTree"
+ENGINE_PARTITION_KEY "toYYYYMM(date)"
+ENGINE_SORTING_KEY "date, device, browser, location, pathname"

alter_default_value_in_column/datasources/analytics_sessions_mv.datasource

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+
+SCHEMA >
+    `date` Date,
+    `session_id` String,
+    `device` SimpleAggregateFunction(any, String),
+    `browser` SimpleAggregateFunction(any, String),
+    `location` SimpleAggregateFunction(any, String),
+    `first_hit` SimpleAggregateFunction(min, DateTime),
+    `latest_hit` SimpleAggregateFunction(max, DateTime),
+    `hits` AggregateFunction(count)
+
+ENGINE "AggregatingMergeTree"
+ENGINE_PARTITION_KEY "toYYYYMM(date)"
+ENGINE_SORTING_KEY "date, session_id"

alter_default_value_in_column/datasources/analytics_sources_mv.datasource

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+
+SCHEMA >
+    `date` Date,
+    `device` String,
+    `browser` String,
+    `location` String,
+    `referrer` String,
+    `visits` AggregateFunction(uniq, String),
+    `hits` AggregateFunction(count)
+
+ENGINE "AggregatingMergeTree"
+ENGINE_PARTITION_KEY "toYYYYMM(date)"
+ENGINE_SORTING_KEY "date, device, browser, location, referrer"

alter_default_value_in_column/pipes/analytics_hits.pipe

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+DESCRIPTION >
+	Parsed `page_hit` events, implementing `browser` and `device` detection logic.
+
+
+TOKEN "dashboard" READ
+
+NODE parsed_hits
+DESCRIPTION >
+    Parse raw page_hit events
+
+SQL >
+
+    SELECT
+        timestamp,
+        action,
+        version,
+        coalesce(session_id, '0') as session_id,
+        JSONExtractString(payload, 'locale') as locale,
+        JSONExtractString(payload, 'location') as location,
+        JSONExtractString(payload, 'referrer') as referrer,
+        JSONExtractString(payload, 'pathname') as pathname,
+        JSONExtractString(payload, 'href') as href,
+        lower(JSONExtractString(payload, 'user-agent')) as user_agent
+    FROM analytics_events
+    where action = 'page_hit'
+
+
+
+NODE endpoint
+SQL >
+
+    SELECT
+        timestamp,
+        action,
+        version,
+        session_id,
+        location,
+        referrer,
+        pathname,
+        href,
+        case
+            when match(user_agent, 'wget|ahrefsbot|curl|urllib|bitdiscovery|\+https://|googlebot')
+            then 'bot'
+            when match(user_agent, 'android')
+            then 'mobile-android'
+            when match(user_agent, 'ipad|iphone|ipod')
+            then 'mobile-ios'
+            else 'desktop'
+        END as device,
+        case
+            when match(user_agent, 'firefox')
+            then 'firefox'
+            when match(user_agent, 'chrome|crios')
+            then 'chrome'
+            when match(user_agent, 'opera')
+            then 'opera'
+            when match(user_agent, 'msie|trident')
+            then 'ie'
+            when match(user_agent, 'iphone|ipad|safari')
+            then 'safari'
+            else 'Unknown'
+        END as browser
+    FROM parsed_hits
+
+

alter_default_value_in_column/pipes/analytics_pages.pipe

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+NODE analytics_pages_1
+DESCRIPTION >
+    Aggregate by pathname and calculate session and hits
+
+SQL >
+
+    SELECT
+        toDate(timestamp) AS date,
+        device,
+        browser,
+        location,
+        pathname,
+        uniqState(session_id) AS visits,
+        countState() AS hits
+    FROM analytics_hits
+    GROUP BY date, device, browser, location, pathname
+
+TYPE materialized
+DATASOURCE analytics_pages_mv
+
+

alter_default_value_in_column/pipes/analytics_sessions.pipe

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+NODE analytics_sessions_1
+DESCRIPTION >
+    Aggregate by session_id and calculate session metrics
+
+SQL >
+
+    SELECT
+        toDate(timestamp) AS date,
+        session_id,
+        anySimpleState(device) AS device,
+        anySimpleState(browser) AS browser,
+        anySimpleState(location) AS location,
+        minSimpleState(timestamp) AS first_hit,
+        maxSimpleState(timestamp) AS latest_hit,
+        countState() AS hits
+    FROM analytics_hits
+    GROUP BY date, session_id
+
+TYPE materialized
+DATASOURCE analytics_sessions_mv
+
+

alter_default_value_in_column/pipes/analytics_sources.pipe

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+NODE analytics_sources_1
+DESCRIPTION >
+    Aggregate by referral and calculate session and hits
+
+SQL >
+
+    WITH (SELECT domainWithoutWWW(href) FROM analytics_hits LIMIT 1) AS currenct_domain
+    SELECT
+        toDate(timestamp) AS date,
+        device,
+        browser,
+        location,
+        referrer,
+        uniqState(session_id) AS visits,
+        countState() AS hits
+    FROM analytics_hits
+    WHERE domainWithoutWWW(referrer) != currenct_domain
+    GROUP BY date, device, browser, location, referrer
+
+TYPE materialized
+DATASOURCE analytics_sources_mv
+
+

alter_default_value_in_column/pipes/kpis.pipe

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+DESCRIPTION >
+	Summary with general KPIs per date, including visits, page views, bounce rate and average session duration.
+    Accepts `date_from` and `date_to` date filter, all historical data if not passed.
+    Daily granularity, except when filtering one single day (hourly)
+
+
+TOKEN "dashboard" READ
+
+NODE timeseries
+DESCRIPTION >
+    Generate a timeseries for the specified time range, so we call fill empty data points.
+            Filters "future" data points.
+
+SQL >
+
+    %
+            {% set _single_day = defined(date_from) and day_diff(date_from, date_to) == 0 %}
+            with
+                {% if defined(date_from) %}
+                    toStartOfDay(
+                        toDate(
+                            {{
+                                Date(
+                                    date_from,
+                                    description="Starting day for filtering a date range",
+                                    required=False,
+                                )
+                            }}
+                        )
+                    ) as start,
+                {% else %} toStartOfDay(timestampAdd(today(), interval -7 day)) as start,
+                {% end %}
+                {% if defined(date_to) %}
+                    toStartOfDay(
+                        toDate(
+                            {{
+                                Date(
+                                    date_to,
+                                    description="Finishing day for filtering a date range",
+                                    required=False,
+                                )
+                            }}
+                        )
+                    ) as end
+                {% else %} toStartOfDay(today()) as end
+                {% end %}
+            {% if _single_day %}
+                select
+                    arrayJoin(
+                        arrayMap(
+                            x -> toDateTime(x),
+                            range(
+                                toUInt32(toDateTime(start)), toUInt32(timestampAdd(end, interval 1 day)), 3600
+                            )
+                        )
+                    ) as date
+            {% else %}
+                select
+                    arrayJoin(
+                        arrayMap(
+                            x -> toDate(x),
+                            range(toUInt32(start), toUInt32(timestampAdd(end, interval 1 day)), 24 * 3600)
+                        )
+                    ) as date
+            {% end %}
+            where date <= now()
+
+
+
+NODE hits
+DESCRIPTION >
+    Group by sessions and calculate metrics at that level
+
+SQL >
+
+    %
+            {% if defined(date_from) and day_diff(date_from, date_to) == 0 %}
+                select
+                    toStartOfHour(timestamp) as date,
+                    session_id,
+                    uniq(session_id) as visits,
+                    count() as pageviews,
+                    case when min(timestamp) = max(timestamp) then 1 else 0 end as is_bounce,
+                    max(timestamp) as latest_hit_aux,
+                    min(timestamp) as first_hit_aux
+                from analytics_hits
+                where toDate(timestamp) = {{ Date(date_from) }}
+                group by toStartOfHour(timestamp), session_id
+            {% else %}
+                select
+                    date,
+                    session_id,
+                    uniq(session_id) as visits,
+                    countMerge(hits) as pageviews,
+                    case when min(first_hit) = max(latest_hit) then 1 else 0 end as is_bounce,
+                    max(latest_hit) as latest_hit_aux,
+                    min(first_hit) as first_hit_aux
+                from analytics_sessions_mv
+                where
+                    {% if defined(date_from) %} date >= {{ Date(date_from) }}
+                    {% else %} date >= timestampAdd(today(), interval -7 day)
+                    {% end %}
+                    {% if defined(date_to) %} and date <= {{ Date(date_to) }}
+                    {% else %} and date <= today()
+                    {% end %}
+                group by date, session_id
+            {% end %}
+
+
+
+NODE data
+DESCRIPTION >
+    General KPIs per date, works for both summary metrics and trends charts.
+
+SQL >
+
+    select
+        date,
+        uniq(session_id) as visits,
+        sum(pageviews) as pageviews,
+        sum(case when latest_hit_aux = first_hit_aux then 1 end) / visits as bounce_rate,
+        avg(latest_hit_aux - first_hit_aux) as avg_session_sec
+    from hits
+    group by date
+
+
+
+NODE endpoint
+DESCRIPTION >
+    Join and generate timeseries with metrics
+
+SQL >
+
+    select a.date, b.visits, b.pageviews, b.bounce_rate, b.avg_session_sec
+    from timeseries a
+    left join data b using date
+
+

alter_default_value_in_column/pipes/top_browsers.pipe

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+DESCRIPTION >
+	Top Browsers ordered by most visits.
+    Accepts `date_from` and `date_to` date filter. Defaults to last 7 days.
+    Also `skip` and `limit` parameters for pagination.
+
+
+TOKEN "dashboard" READ
+
+NODE endpoint
+DESCRIPTION >
+    Group by browser and calcualte hits and visits
+
+SQL >
+
+    %
+            select browser, uniqMerge(visits) as visits, countMerge(hits) as hits
+            from analytics_sources_mv
+            where
+                {% if defined(date_from) %}
+                    date
+                    >=
+                    {{ Date(date_from, description="Starting day for filtering a date range", required=False) }}
+                {% else %} date >= timestampAdd(today(), interval -7 day)
+                {% end %}
+                {% if defined(date_to) %}
+                    and date
+                    <=
+                    {{ Date(date_to, description="Finishing day for filtering a date range", required=False) }}
+                {% else %} and date <= today()
+                {% end %}
+            group by browser
+            order by visits desc
+            limit {{ Int32(skip, 0) }},{{ Int32(limit, 50) }}
+
+