39 lines
1.6 KiB
Go
39 lines
1.6 KiB
Go
package memory
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// schema DDL。internal/db 中的迁移框架是领域表的权威
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// 机制，但这里刻意不用它：db 包的迁移测试断言精确的
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// 迁移数量，而记忆存储必须自包含、
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// 可在任意 *sql.DB 上使用。表与索引因此
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// 由 NewStore 幂等创建。
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const createMemoryItemsTable = `
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CREATE TABLE IF NOT EXISTS memory_items (
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id TEXT PRIMARY KEY,
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persona_id TEXT NOT NULL,
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role_id TEXT NOT NULL DEFAULT '',
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project_id TEXT NOT NULL DEFAULT '',
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scope TEXT NOT NULL,
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kind TEXT NOT NULL,
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content TEXT NOT NULL,
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tags TEXT NOT NULL DEFAULT '[]',
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confidence REAL NOT NULL DEFAULT 1.0,
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source_conversation TEXT NOT NULL DEFAULT '',
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created_at TEXT NOT NULL,
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updated_at TEXT NOT NULL,
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decay_weight REAL NOT NULL DEFAULT 1.0,
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status TEXT NOT NULL DEFAULT 'active',
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merged_into TEXT NOT NULL DEFAULT '',
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merged_from TEXT NOT NULL DEFAULT '[]',
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merge_count INTEGER NOT NULL DEFAULT 1,
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occurred_at TEXT NOT NULL DEFAULT '',
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valid_to TEXT NOT NULL DEFAULT '',
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expires_at TEXT NOT NULL DEFAULT ''
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)`
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const createMemoryItemsPersonaIndex = `
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CREATE INDEX IF NOT EXISTS idx_memory_items_persona_id
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ON memory_items (persona_id)`
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const createMemoryItemsPersonaCreatedIndex = `
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CREATE INDEX IF NOT EXISTS idx_memory_items_persona_id_created_at
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ON memory_items (persona_id, created_at)`
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