v0.4.9 - Working on dm admin
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696
schema.sql
Normal file
696
schema.sql
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@@ -0,0 +1,696 @@
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-- C Nostr Relay Database Schema
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\
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-- SQLite schema for storing Nostr events with JSON tags support
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\
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-- Configuration system using config table
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\
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-- Schema version tracking
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PRAGMA user_version = 7;
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\
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\
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-- Enable foreign key support
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PRAGMA foreign_keys = ON;
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\
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-- Optimize for performance
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PRAGMA journal_mode = WAL;
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PRAGMA synchronous = NORMAL;
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PRAGMA cache_size = 10000;
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-- Core events table with hybrid single-table design
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CREATE TABLE events (
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id TEXT PRIMARY KEY, -- Nostr event ID (hex string)
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\
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pubkey TEXT NOT NULL, -- Public key of event author (hex string)
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\
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created_at INTEGER NOT NULL, -- Event creation timestamp (Unix timestamp)
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\
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kind INTEGER NOT NULL, -- Event kind (0-65535)
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event_type TEXT NOT NULL CHECK (event_type IN ('regular', 'replaceable', 'ephemeral', 'addressable')),
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content TEXT NOT NULL, -- Event content (text content only)
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\
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sig TEXT NOT NULL, -- Event signature (hex string)
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\
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tags JSON NOT NULL DEFAULT '[]', -- Event tags as JSON array
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\
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first_seen INTEGER NOT NULL DEFAULT (strftime('%s', 'now')) -- When relay received event
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\
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);
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\
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-- Core performance indexes
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CREATE INDEX idx_events_pubkey ON events(pubkey);
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CREATE INDEX idx_events_kind ON events(kind);
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CREATE INDEX idx_events_created_at ON events(created_at DESC);
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CREATE INDEX idx_events_event_type ON events(event_type);
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\
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-- Composite indexes for common query patterns
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CREATE INDEX idx_events_kind_created_at ON events(kind, created_at DESC);
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CREATE INDEX idx_events_pubkey_created_at ON events(pubkey, created_at DESC);
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CREATE INDEX idx_events_pubkey_kind ON events(pubkey, kind);
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-- Schema information table
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CREATE TABLE schema_info (
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key TEXT PRIMARY KEY,
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value TEXT NOT NULL,
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updated_at INTEGER NOT NULL DEFAULT (strftime('%s', 'now'))
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);
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-- Insert schema metadata
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INSERT INTO schema_info (key, value) VALUES
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('version', '7'),
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('description', 'Hybrid Nostr relay schema with event-based and table-based configuration'),
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('created_at', strftime('%s', 'now'));
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\
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-- Helper views for common queries
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CREATE VIEW recent_events AS
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SELECT id, pubkey, created_at, kind, event_type, content
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FROM events
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WHERE event_type != 'ephemeral'
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ORDER BY created_at DESC
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LIMIT 1000;
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CREATE VIEW event_stats AS
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SELECT
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event_type,
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COUNT(*) as count,
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AVG(length(content)) as avg_content_length,
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MIN(created_at) as earliest,
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MAX(created_at) as latest
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FROM events
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GROUP BY event_type;
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-- Configuration events view (kind 33334)
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CREATE VIEW configuration_events AS
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SELECT
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id,
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pubkey as admin_pubkey,
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created_at,
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content,
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tags,
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sig
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FROM events
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WHERE kind = 33334
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ORDER BY created_at DESC;
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-- Optimization: Trigger for automatic cleanup of ephemeral events older than 1 hour
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CREATE TRIGGER cleanup_ephemeral_events
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AFTER INSERT ON events
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WHEN NEW.event_type = 'ephemeral'
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BEGIN
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DELETE FROM events
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WHERE event_type = 'ephemeral'
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AND first_seen < (strftime('%s', 'now') - 3600);
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\
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END;
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\
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-- Replaceable event handling trigger
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CREATE TRIGGER handle_replaceable_events
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AFTER INSERT ON events
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WHEN NEW.event_type = 'replaceable'
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BEGIN
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DELETE FROM events
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WHERE pubkey = NEW.pubkey
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AND kind = NEW.kind
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AND event_type = 'replaceable'
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AND id != NEW.id;
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END;
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-- Addressable event handling trigger (for kind 33334 configuration events)
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CREATE TRIGGER handle_addressable_events
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AFTER INSERT ON events
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WHEN NEW.event_type = 'addressable'
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BEGIN
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-- For kind 33334 (configuration), replace previous config from same admin
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DELETE FROM events
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WHERE pubkey = NEW.pubkey
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AND kind = NEW.kind
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AND event_type = 'addressable'
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AND id != NEW.id;
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END;
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\
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-- Relay Private Key Secure Storage
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-- Stores the relay's private key separately from public configuration
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CREATE TABLE relay_seckey (
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private_key_hex TEXT NOT NULL CHECK (length(private_key_hex) = 64),
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created_at INTEGER NOT NULL DEFAULT (strftime('%s', 'now'))
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);
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-- Authentication Rules Table for NIP-42 and Policy Enforcement
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-- Used by request_validator.c for unified validation
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CREATE TABLE auth_rules (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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rule_type TEXT NOT NULL CHECK (rule_type IN ('whitelist', 'blacklist', 'rate_limit', 'auth_required')),
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pattern_type TEXT NOT NULL CHECK (pattern_type IN ('pubkey', 'kind', 'ip', 'global')),
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pattern_value TEXT,
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action TEXT NOT NULL CHECK (action IN ('allow', 'deny', 'require_auth', 'rate_limit')),
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parameters TEXT, -- JSON parameters for rate limiting, etc.
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active INTEGER NOT NULL DEFAULT 1,
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created_at INTEGER NOT NULL DEFAULT (strftime('%s', 'now')),
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updated_at INTEGER NOT NULL DEFAULT (strftime('%s', 'now'))
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);
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-- Indexes for auth_rules performance
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CREATE INDEX idx_auth_rules_pattern ON auth_rules(pattern_type, pattern_value);
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CREATE INDEX idx_auth_rules_type ON auth_rules(rule_type);
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CREATE INDEX idx_auth_rules_active ON auth_rules(active);
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-- Configuration Table for Table-Based Config Management
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-- Hybrid system supporting both event-based and table-based configuration
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CREATE TABLE config (
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key TEXT PRIMARY KEY,
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value TEXT NOT NULL,
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data_type TEXT NOT NULL CHECK (data_type IN ('string', 'integer', 'boolean', 'json')),
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description TEXT,
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category TEXT DEFAULT 'general',
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requires_restart INTEGER DEFAULT 0,
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created_at INTEGER NOT NULL DEFAULT (strftime('%s', 'now')),
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updated_at INTEGER NOT NULL DEFAULT (strftime('%s', 'now'))
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);
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-- Indexes for config table performance
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CREATE INDEX idx_config_category ON config(category);
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CREATE INDEX idx_config_restart ON config(requires_restart);
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CREATE INDEX idx_config_updated ON config(updated_at DESC);
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-- Trigger to update config timestamp on changes
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CREATE TRIGGER update_config_timestamp
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AFTER UPDATE ON config
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FOR EACH ROW
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BEGIN
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UPDATE config SET updated_at = strftime('%s', 'now') WHERE key = NEW.key;
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END;
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-- Insert default configuration values
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INSERT INTO config (key, value, data_type, description, category, requires_restart) VALUES
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('relay_description', 'A C Nostr Relay', 'string', 'Relay description', 'general', 0),
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('relay_contact', '', 'string', 'Relay contact information', 'general', 0),
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('relay_software', 'https://github.com/laanwj/c-relay', 'string', 'Relay software URL', 'general', 0),
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('relay_version', '1.0.0', 'string', 'Relay version', 'general', 0),
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('relay_port', '8888', 'integer', 'Relay port number', 'network', 1),
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('max_connections', '1000', 'integer', 'Maximum concurrent connections', 'network', 1),
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('auth_enabled', 'false', 'boolean', 'Enable NIP-42 authentication', 'auth', 0),
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('nip42_auth_required_events', 'false', 'boolean', 'Require auth for event publishing', 'auth', 0),
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('nip42_auth_required_subscriptions', 'false', 'boolean', 'Require auth for subscriptions', 'auth', 0),
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('nip42_auth_required_kinds', '[]', 'json', 'Event kinds requiring authentication', 'auth', 0),
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('nip42_challenge_expiration', '600', 'integer', 'Auth challenge expiration seconds', 'auth', 0),
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('pow_min_difficulty', '0', 'integer', 'Minimum proof-of-work difficulty', 'validation', 0),
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('pow_mode', 'optional', 'string', 'Proof-of-work mode', 'validation', 0),
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('nip40_expiration_enabled', 'true', 'boolean', 'Enable event expiration', 'validation', 0),
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('nip40_expiration_strict', 'false', 'boolean', 'Strict expiration mode', 'validation', 0),
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('nip40_expiration_filter', 'true', 'boolean', 'Filter expired events in queries', 'validation', 0),
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('nip40_expiration_grace_period', '60', 'integer', 'Expiration grace period seconds', 'validation', 0),
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('max_subscriptions_per_client', '25', 'integer', 'Maximum subscriptions per client', 'limits', 0),
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('max_total_subscriptions', '1000', 'integer', 'Maximum total subscriptions', 'limits', 0),
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('max_filters_per_subscription', '10', 'integer', 'Maximum filters per subscription', 'limits', 0),
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('max_event_tags', '2000', 'integer', 'Maximum tags per event', 'limits', 0),
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('max_content_length', '100000', 'integer', 'Maximum event content length', 'limits', 0),
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('max_message_length', '131072', 'integer', 'Maximum WebSocket message length', 'limits', 0),
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('default_limit', '100', 'integer', 'Default query limit', 'limits', 0),
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('max_limit', '5000', 'integer', 'Maximum query limit', 'limits', 0);
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\
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-- Persistent Subscriptions Logging Tables (Phase 2)
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-- Optional database logging for subscription analytics and debugging
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-- Subscription events log
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CREATE TABLE subscription_events (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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subscription_id TEXT NOT NULL, -- Subscription ID from client
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\
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client_ip TEXT NOT NULL, -- Client IP address
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\
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event_type TEXT NOT NULL CHECK (event_type IN ('created', 'closed', 'expired', 'disconnected')),
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\
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filter_json TEXT, -- JSON representation of filters (for created events)
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\
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events_sent INTEGER DEFAULT 0, -- Number of events sent to this subscription
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\
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created_at INTEGER NOT NULL DEFAULT (strftime('%s', 'now')),
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\
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ended_at INTEGER, -- When subscription ended (for closed/expired/disconnected)
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duration INTEGER -- Computed: ended_at - created_at
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\
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);
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\
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-- Subscription metrics summary
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CREATE TABLE subscription_metrics (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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\
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date TEXT NOT NULL, -- Date (YYYY-MM-DD)
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\
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total_created INTEGER DEFAULT 0, -- Total subscriptions created
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\
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total_closed INTEGER DEFAULT 0, -- Total subscriptions closed
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\
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total_events_broadcast INTEGER DEFAULT 0, -- Total events broadcast
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\
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avg_duration REAL DEFAULT 0, -- Average subscription duration
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\
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peak_concurrent INTEGER DEFAULT 0, -- Peak concurrent subscriptions
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updated_at INTEGER NOT NULL DEFAULT (strftime('%s', 'now')),
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UNIQUE(date)
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\
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);
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\
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-- Event broadcasting log (optional, for detailed analytics)
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\
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CREATE TABLE event_broadcasts (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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\
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event_id TEXT NOT NULL, -- Event ID that was broadcast
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\
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subscription_id TEXT NOT NULL, -- Subscription that received it
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\
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client_ip TEXT NOT NULL, -- Client IP
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\
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broadcast_at INTEGER NOT NULL DEFAULT (strftime('%s', 'now')),
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\
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FOREIGN KEY (event_id) REFERENCES events(id)
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\
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);
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\
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\
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-- Indexes for subscription logging performance
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\
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CREATE INDEX idx_subscription_events_id ON subscription_events(subscription_id);
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\
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CREATE INDEX idx_subscription_events_type ON subscription_events(event_type);
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\
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CREATE INDEX idx_subscription_events_created ON subscription_events(created_at DESC);
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\
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CREATE INDEX idx_subscription_events_client ON subscription_events(client_ip);
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\
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\
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CREATE INDEX idx_subscription_metrics_date ON subscription_metrics(date DESC);
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\
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\
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CREATE INDEX idx_event_broadcasts_event ON event_broadcasts(event_id);
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\
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CREATE INDEX idx_event_broadcasts_sub ON event_broadcasts(subscription_id);
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\
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CREATE INDEX idx_event_broadcasts_time ON event_broadcasts(broadcast_at DESC);
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\
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\
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-- Trigger to update subscription duration when ended
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\
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CREATE TRIGGER update_subscription_duration
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\
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AFTER UPDATE OF ended_at ON subscription_events
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\
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WHEN NEW.ended_at IS NOT NULL AND OLD.ended_at IS NULL
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\
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BEGIN
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\
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UPDATE subscription_events
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\
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SET duration = NEW.ended_at - NEW.created_at
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\
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WHERE id = NEW.id;
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\
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END;
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\
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\
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-- View for subscription analytics
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\
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CREATE VIEW subscription_analytics AS
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\
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SELECT
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\
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date(created_at, 'unixepoch') as date,
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||||
\
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COUNT(*) as subscriptions_created,
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\
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COUNT(CASE WHEN ended_at IS NOT NULL THEN 1 END) as subscriptions_ended,
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\
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AVG(CASE WHEN duration IS NOT NULL THEN duration END) as avg_duration_seconds,
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\
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MAX(events_sent) as max_events_sent,
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\
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AVG(events_sent) as avg_events_sent,
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\
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COUNT(DISTINCT client_ip) as unique_clients
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\
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FROM subscription_events
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\
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GROUP BY date(created_at, 'unixepoch')
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||||
\
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ORDER BY date DESC;
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||||
\
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||||
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||||
\
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||||
-- View for current active subscriptions (from log perspective)
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||||
\
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CREATE VIEW active_subscriptions_log AS
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||||
\
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SELECT
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||||
\
|
||||
subscription_id,
|
||||
\
|
||||
client_ip,
|
||||
\
|
||||
filter_json,
|
||||
\
|
||||
events_sent,
|
||||
\
|
||||
created_at,
|
||||
\
|
||||
(strftime('%s', 'now') - created_at) as duration_seconds
|
||||
\
|
||||
FROM subscription_events
|
||||
\
|
||||
WHERE event_type = 'created'
|
||||
\
|
||||
AND subscription_id NOT IN (
|
||||
\
|
||||
SELECT subscription_id FROM subscription_events
|
||||
\
|
||||
WHERE event_type IN ('closed', 'expired', 'disconnected')
|
||||
\
|
||||
);
|
||||
\
|
||||
|
||||
\
|
||||
-- Database Statistics Views for Admin API
|
||||
\
|
||||
-- Event kinds distribution view
|
||||
\
|
||||
CREATE VIEW event_kinds_view AS
|
||||
\
|
||||
SELECT
|
||||
\
|
||||
kind,
|
||||
\
|
||||
COUNT(*) as count,
|
||||
\
|
||||
ROUND(COUNT(*) * 100.0 / (SELECT COUNT(*) FROM events), 2) as percentage
|
||||
\
|
||||
FROM events
|
||||
\
|
||||
GROUP BY kind
|
||||
\
|
||||
ORDER BY count DESC;
|
||||
\
|
||||
|
||||
\
|
||||
-- Top pubkeys by event count view
|
||||
\
|
||||
CREATE VIEW top_pubkeys_view AS
|
||||
\
|
||||
SELECT
|
||||
\
|
||||
pubkey,
|
||||
\
|
||||
COUNT(*) as event_count,
|
||||
\
|
||||
ROUND(COUNT(*) * 100.0 / (SELECT COUNT(*) FROM events), 2) as percentage
|
||||
\
|
||||
FROM events
|
||||
\
|
||||
GROUP BY pubkey
|
||||
\
|
||||
ORDER BY event_count DESC
|
||||
\
|
||||
LIMIT 10;
|
||||
\
|
||||
|
||||
\
|
||||
-- Time-based statistics view
|
||||
\
|
||||
CREATE VIEW time_stats_view AS
|
||||
\
|
||||
SELECT
|
||||
\
|
||||
'total' as period,
|
||||
\
|
||||
COUNT(*) as total_events,
|
||||
\
|
||||
COUNT(DISTINCT pubkey) as unique_pubkeys,
|
||||
\
|
||||
MIN(created_at) as oldest_event,
|
||||
\
|
||||
MAX(created_at) as newest_event
|
||||
\
|
||||
FROM events
|
||||
\
|
||||
UNION ALL
|
||||
\
|
||||
SELECT
|
||||
\
|
||||
'24h' as period,
|
||||
\
|
||||
COUNT(*) as total_events,
|
||||
\
|
||||
COUNT(DISTINCT pubkey) as unique_pubkeys,
|
||||
\
|
||||
MIN(created_at) as oldest_event,
|
||||
\
|
||||
MAX(created_at) as newest_event
|
||||
\
|
||||
FROM events
|
||||
\
|
||||
WHERE created_at >= (strftime('%s', 'now') - 86400)
|
||||
\
|
||||
UNION ALL
|
||||
\
|
||||
SELECT
|
||||
\
|
||||
'7d' as period,
|
||||
\
|
||||
COUNT(*) as total_events,
|
||||
\
|
||||
COUNT(DISTINCT pubkey) as unique_pubkeys,
|
||||
\
|
||||
MIN(created_at) as oldest_event,
|
||||
\
|
||||
MAX(created_at) as newest_event
|
||||
\
|
||||
FROM events
|
||||
\
|
||||
WHERE created_at >= (strftime('%s', 'now') - 604800)
|
||||
\
|
||||
UNION ALL
|
||||
\
|
||||
SELECT
|
||||
\
|
||||
'30d' as period,
|
||||
\
|
||||
COUNT(*) as total_events,
|
||||
\
|
||||
COUNT(DISTINCT pubkey) as unique_pubkeys,
|
||||
\
|
||||
MIN(created_at) as oldest_event,
|
||||
\
|
||||
MAX(created_at) as newest_event
|
||||
\
|
||||
FROM events
|
||||
\
|
||||
WHERE created_at >= (strftime('%s', 'now') - 2592000);
|
||||
|
||||
#endif /* SQL_SCHEMA_H */
|
||||
Reference in New Issue
Block a user