| 1 | DROP VIEW IF EXISTS public.v_customer_data_usage_history;
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| 2 |
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| 3 | CREATE VIEW public.v_customer_data_usage_history AS
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| 4 | SELECT
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| 5 | c.customer_id,
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| 6 | CASE WHEN c.customer_type = 'business' THEN c.company_name ELSE c.first_name || ' ' || c.last_name END AS customer_name,
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| 7 | a.account_number,
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| 8 | s.subscription_number,
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| 9 | p.plan_name,
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| 10 | d.data_cdr_id,
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| 11 | d.session_start,
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| 12 | d.session_end,
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| 13 | ROUND(EXTRACT(EPOCH FROM (d.session_end - d.session_start))::numeric / 60.0, 2) AS session_duration_minutes,
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| 14 | d.data_used_mb,
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| 15 | ROUND(d.data_used_mb / 1024.0, 4) AS data_used_gb,
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| 16 | d.apn,
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| 17 | d.ip_address,
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| 18 | d.charge_amount,
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| 19 | d.roaming_partner_id IS NOT NULL AS is_roaming,
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| 20 | COALESCE(rp.country, 'North Macedonia') AS network_country,
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| 21 | ns.region AS network_region,
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| 22 | ns.site_code,
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| 23 | ts.sector_label,
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| 24 | ts.frequency_band,
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| 25 | nt.generation AS network_generation
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| 26 | FROM public.customers c
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| 27 | JOIN public.accounts a ON a.customer_id = c.customer_id
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| 28 | JOIN public.subscriptions s ON s.account_id = a.account_id
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| 29 | JOIN public.plans p ON p.plan_id = s.plan_id
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| 30 | JOIN public.usage_cdr_data d ON d.subscription_id = s.subscription_id
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| 31 | LEFT JOIN public.roaming_partners rp ON rp.roaming_partner_id = d.roaming_partner_id
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| 32 | LEFT JOIN public.tower_sectors ts ON ts.sector_id = d.sector_id
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| 33 | LEFT JOIN public.cell_towers ct ON ct.tower_id = ts.tower_id
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| 34 | LEFT JOIN public.network_sites ns ON ns.site_id = ct.site_id
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| 35 | LEFT JOIN public.network_technologies nt ON nt.technology_id = ts.technology_id;
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| 36 |
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