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Abhinav Raut
45541c221a
prevents multiple update queries unnecessarily on applied sla table. clear next sla deadline in conversations properly when there's no deadline to be met. uses the new status column in the applied sla table to determine if the sla is still active and has to be calculated again.
93 lines
3.4 KiB
SQL
93 lines
3.4 KiB
SQL
-- name: get-sla-policy
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SELECT * FROM sla_policies WHERE id = $1;
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-- name: get-all-sla-policies
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SELECT * FROM sla_policies ORDER BY updated_at DESC;
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-- name: insert-sla-policy
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INSERT INTO sla_policies (
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name,
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description,
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first_response_time,
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resolution_time
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) VALUES ($1, $2, $3, $4);
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-- name: delete-sla-policy
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DELETE FROM sla_policies WHERE id = $1;
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-- name: update-sla-policy
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UPDATE sla_policies SET
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name = $2,
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description = $3,
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first_response_time = $4,
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resolution_time = $5,
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updated_at = NOW()
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WHERE id = $1;
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-- name: apply-sla
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WITH new_sla AS (
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INSERT INTO applied_slas (
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conversation_id,
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sla_policy_id,
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first_response_deadline_at,
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resolution_deadline_at
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) VALUES ($1, $2, $3, $4)
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RETURNING conversation_id
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)
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UPDATE conversations
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SET sla_policy_id = $2,
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next_sla_deadline_at = LEAST(
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NULLIF($3, NULL),
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NULLIF($4, NULL)
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)
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WHERE id IN (SELECT conversation_id FROM new_sla);
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-- name: get-pending-slas
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-- Get all the applied SLAs (applied to a conversation) that are pending
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SELECT a.id, a.first_response_deadline_at, c.first_reply_at as conversation_first_response_at,
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a.resolution_deadline_at, c.resolved_at as conversation_resolved_at, c.id as conversation_id, a.first_response_met_at, a.resolution_met_at, a.first_response_breached_at, a.resolution_breached_at
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FROM applied_slas a
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JOIN conversations c ON a.conversation_id = c.id and c.sla_policy_id = a.sla_policy_id
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WHERE a.status = 'pending'::applied_sla_status;
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-- name: update-breach
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UPDATE applied_slas SET
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first_response_breached_at = CASE WHEN $2 = 'first_response' THEN NOW() ELSE first_response_breached_at END,
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resolution_breached_at = CASE WHEN $2 = 'resolution' THEN NOW() ELSE resolution_breached_at END,
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updated_at = NOW()
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WHERE id = $1;
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-- name: update-met
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UPDATE applied_slas SET
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first_response_met_at = CASE WHEN $2 = 'first_response' THEN NOW() ELSE first_response_met_at END,
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resolution_met_at = CASE WHEN $2 = 'resolution' THEN NOW() ELSE resolution_met_at END,
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updated_at = NOW()
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WHERE id = $1;
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-- name: set-next-sla-deadline
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UPDATE conversations c
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SET next_sla_deadline_at = CASE
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WHEN c.status_id IN (SELECT id from conversation_statuses where name in ('Resolved', 'Closed')) THEN NULL
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WHEN c.first_reply_at IS NOT NULL AND c.resolved_at IS NULL AND a.resolution_deadline_at IS NOT NULL THEN a.resolution_deadline_at
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WHEN c.first_reply_at IS NULL AND c.resolved_at IS NULL AND a.first_response_deadline_at IS NOT NULL THEN a.first_response_deadline_at
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WHEN a.first_response_deadline_at IS NOT NULL AND a.resolution_deadline_at IS NOT NULL THEN LEAST(a.first_response_deadline_at, a.resolution_deadline_at)
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ELSE NULL
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END
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FROM applied_slas a
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WHERE a.conversation_id = c.id
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AND c.id = $1;
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-- name: update-sla-status
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UPDATE applied_slas
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SET
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status = CASE
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WHEN first_response_met_at IS NOT NULL AND resolution_met_at IS NOT NULL THEN 'met'::applied_sla_status
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WHEN first_response_breached_at IS NOT NULL AND resolution_breached_at IS NOT NULL THEN 'breached'::applied_sla_status
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WHEN (first_response_met_at IS NOT NULL OR first_response_breached_at IS NOT NULL)
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AND (resolution_met_at IS NOT NULL OR resolution_breached_at IS NOT NULL) THEN 'partially_met'::applied_sla_status
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WHEN first_response_met_at IS NULL AND first_response_breached_at IS NULL THEN 'pending'::applied_sla_status
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ELSE 'pending'::applied_sla_status
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END,
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updated_at = NOW()
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WHERE applied_slas.id = $1;
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