16 lines
1011 B
SQL
16 lines
1011 B
SQL
CREATE TABLE `rag_snippet` (
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`rag_item_id` bigint NOT NULL COMMENT 'RAG item id (stable hash of table/version/snippet_id)',
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`workspace_id` bigint NOT NULL COMMENT 'RAG workspace scope',
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`table_id` bigint NOT NULL COMMENT '来源表ID',
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`version_ts` bigint NOT NULL COMMENT '表版本号',
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`action_result_id` bigint NOT NULL COMMENT '来源 action_results 主键ID（snippet_alias 或 snippet 行）',
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`snippet_id` varchar(255) COLLATE utf8mb4_bin NOT NULL COMMENT '原始 snippet id',
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`rag_text` text COLLATE utf8mb4_bin NOT NULL COMMENT '用于向量化的拼接文本',
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`merged_json` json NOT NULL COMMENT '合并后的 snippet 对象',
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`updated_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
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PRIMARY KEY (`rag_item_id`),
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KEY `idx_action_result` (`action_result_id`),
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KEY `idx_workspace` (`workspace_id`),
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KEY `idx_table_version` (`table_id`,`version_ts`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin COMMENT='RAG snippet 索引缓存';
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