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15 lines
651 B
SQL
15 lines
651 B
SQL
-- Migration: Optimize task queries with composite index
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-- Date: 2026-01-24
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--
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-- This migration adds a composite index to optimize the task detail query:
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-- WHERE id = $1 AND user_id = $2 AND deleted = FALSE
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--
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-- The index uses a partial index with WHERE deleted = FALSE to reduce index size
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-- and improve query performance for active (non-deleted) tasks.
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CREATE INDEX IF NOT EXISTS idx_tasks_id_user_deleted
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ON tasks(id, user_id, deleted)
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WHERE deleted = FALSE;
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COMMENT ON INDEX idx_tasks_id_user_deleted IS 'Composite index for optimizing task detail queries with id, user_id, and deleted filter. Partial index for non-deleted tasks only.';
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