be483c9c1a
Implement database-level sorting with composite indexes for efficient date and tag queries. Add pagination metadata support and optimize tag count queries using batch processing.
16 lines
665 B
SQL
16 lines
665 B
SQL
-- Add composite indexes for search performance optimization
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-- This migration addresses N+1 query issues and enables database-level sorting
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-- Covering index for date-sorted queries (supports ORDER BY + pagination)
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-- Enables efficient date-based sorting without loading all files into memory
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CREATE INDEX IF NOT EXISTS idx_image_exif_date_path
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ON image_exif(date_taken DESC, file_path);
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-- Optimize batch tag count queries with GROUP BY
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-- Reduces N individual queries to a single batch query
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CREATE INDEX IF NOT EXISTS idx_tagged_photo_count
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ON tagged_photo(photo_name, tag_id);
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-- Update query planner statistics to optimize query execution
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ANALYZE;
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