49 lines
2.1 KiB
MySQL
49 lines
2.1 KiB
MySQL
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-- Migration: Add Performance Indexes
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-- Run this migration to improve query performance on common operations
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-- Single-column indexes for filtering
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-- These support the most common WHERE clauses in getAllTickets()
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-- Status filtering (very common - used in almost every query)
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CREATE INDEX IF NOT EXISTS idx_tickets_status ON tickets(status);
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-- Category and type filtering
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CREATE INDEX IF NOT EXISTS idx_tickets_category ON tickets(category);
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CREATE INDEX IF NOT EXISTS idx_tickets_type ON tickets(type);
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-- Priority filtering
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CREATE INDEX IF NOT EXISTS idx_tickets_priority ON tickets(priority);
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-- Date-based filtering and sorting
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CREATE INDEX IF NOT EXISTS idx_tickets_created_at ON tickets(created_at);
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CREATE INDEX IF NOT EXISTS idx_tickets_updated_at ON tickets(updated_at);
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-- User filtering
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CREATE INDEX IF NOT EXISTS idx_tickets_created_by ON tickets(created_by);
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CREATE INDEX IF NOT EXISTS idx_tickets_assigned_to ON tickets(assigned_to);
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-- Visibility filtering (used in every authenticated query)
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CREATE INDEX IF NOT EXISTS idx_tickets_visibility ON tickets(visibility);
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-- Composite indexes for common query patterns
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-- These are more efficient than single indexes for combined filters
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-- Status + created_at (common sorting with status filter)
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CREATE INDEX IF NOT EXISTS idx_tickets_status_created ON tickets(status, created_at);
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-- Assigned_to + status (for "my open tickets" queries)
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CREATE INDEX IF NOT EXISTS idx_tickets_assigned_status ON tickets(assigned_to, status);
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-- Visibility + status (visibility filtering with status)
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CREATE INDEX IF NOT EXISTS idx_tickets_visibility_status ON tickets(visibility, status);
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-- ticket_comments table
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-- Optimize comment retrieval by ticket
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CREATE INDEX IF NOT EXISTS idx_comments_ticket_created ON ticket_comments(ticket_id, created_at);
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-- Audit log indexes (if audit_log table exists)
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-- Optimize audit log queries
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CREATE INDEX IF NOT EXISTS idx_audit_entity ON audit_log(entity_type, entity_id);
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CREATE INDEX IF NOT EXISTS idx_audit_user ON audit_log(user_id, created_at);
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CREATE INDEX IF NOT EXISTS idx_audit_action ON audit_log(action, created_at);
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