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19 lines
809 B
19 lines
809 B
-- 2026-03-22-add-similarity-cache.sql - similarity migration
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-- This migration creates a sequence and the similarity_cache table.
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-- Create a sequence for generating integer ids (DuckDB compatible)
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CREATE SEQUENCE IF NOT EXISTS similarity_cache_id_seq START 1;
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-- Create the similarity_cache table.
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CREATE TABLE IF NOT EXISTS similarity_cache (
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id INTEGER DEFAULT nextval('similarity_cache_id_seq'),
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source_motion_id INTEGER NOT NULL,
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target_motion_id INTEGER NOT NULL,
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score REAL NOT NULL,
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vector_type TEXT NOT NULL,
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window_id TEXT,
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created_at TIMESTAMP DEFAULT current_timestamp
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);
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-- Optionally create an index to speed lookups (no-op if already exists)
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CREATE INDEX IF NOT EXISTS idx_similarity_cache_source_target ON similarity_cache (source_motion_id, target_motion_id);
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