mirror of
https://github.com/storytold/artcraft.git
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Brandon Thomas
66 lines
2.1 KiB
SQL
66 lines
2.1 KiB
SQL
-- noinspection SqlDialectInspectionForFile
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-- noinspection SqlNoDataSourceInspectionForFile
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-- noinspection SqlResolveForFile
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-- Track user session durations
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-- User clients ping the endpoint that writes this data.
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CREATE TABLE analytics_app_sessions (
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-- Not used for anything except replication.
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id BIGINT(20) NOT NULL AUTO_INCREMENT,
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-- Generated client-side
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-- Wide enough for a UUID, but typically one of our internal tokens.
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session_token VARCHAR(36) NOT NULL,
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-- If we host multiple sites with distinct categories, this will enable us to
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-- segregate analytics.
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app_namespace VARCHAR(32) NOT NULL,
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-- Who sent the event.
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user_token VARCHAR(32) NOT NULL,
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-- Updated on every write.
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-- The "user agent" or app version string of the client.
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app_version VARCHAR(255) DEFAULT NULL,
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-- Updated on every write.
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-- The OS platform for the client.
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os_platform VARCHAR(16) DEFAULT NULL,
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-- Updated on every write.
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-- The OS platform version for the client.
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os_version VARCHAR(64) DEFAULT NULL,
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-- Updated on every write.
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-- How long the current user's session has been open
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session_duration_seconds INT(10) UNSIGNED DEFAULT NULL,
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-- Updated on every write.
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-- The user's last known IP address.
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ip_address VARCHAR(40) NOT NULL,
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-- Incrementing count of events.
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-- NB: This is kind of an "hours spent" measure, but will lose information if we ever
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-- change the ping cadence (eg. 1 minute pings --> 5 minute pings).
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measurement_count BIGINT UNSIGNED NOT NULL DEFAULT 0,
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-- ========== RECORD TIMESTAMPS ==========
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-- Written at create only.
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first_active_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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-- Updated on every ping.
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last_active_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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-- ========== INDICES ==========
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PRIMARY KEY (id),
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UNIQUE KEY (session_token),
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INDEX idx_app_namespace (app_namespace),
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INDEX idx_user_token (user_token),
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INDEX idx_os_platform (os_platform),
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INDEX idx_os_version (os_version),
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INDEX idx_app_version (app_version),
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INDEX idx_last_active_at (last_active_at)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
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