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perf(db): 优化知识条目表索引配置

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- 为 idx_dm_ki_relative_path 索引添加长度限制 (768)
- 为 uk_dm_kd_set_path 唯一约束添加相对路径长度限制 (768)
- 为 idx_dm_kd_relative_path 索引添加长度限制 (768)
- 提升数据库查询性能和索引效率
This commit is contained in:
Jerry Yan
2026-02-01 11:24:35 +08:00
parent aeec19b99f
commit db37de8aee
1 changed files with 3 additions and 3 deletions
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6
scripts/db/data-management-init.sql
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@@ -176,7 +176,7 @@ CREATE TABLE IF NOT EXISTS t_dm_knowledge_items (
INDEX idx_dm_ki_valid_to (valid_to), INDEX idx_dm_ki_valid_to (valid_to),
INDEX idx_dm_ki_source_dataset (source_dataset_id), INDEX idx_dm_ki_source_dataset (source_dataset_id),
INDEX idx_dm_ki_source_file (source_file_id), INDEX idx_dm_ki_source_file (source_file_id),
INDEX idx_dm_ki_relative_path (relative_path) INDEX idx_dm_ki_relative_path (relative_path(768))
) COMMENT='知识条目表（UUID 主键）'; ) COMMENT='知识条目表（UUID 主键）';
-- 知识条目目录表 -- 知识条目目录表
@@ -190,9 +190,9 @@ CREATE TABLE IF NOT EXISTS t_dm_knowledge_item_directories (
created_by VARCHAR(255) COMMENT '创建者', created_by VARCHAR(255) COMMENT '创建者',
updated_by VARCHAR(255) COMMENT '更新者', updated_by VARCHAR(255) COMMENT '更新者',
FOREIGN KEY (set_id) REFERENCES t_dm_knowledge_sets(id) ON DELETE CASCADE, FOREIGN KEY (set_id) REFERENCES t_dm_knowledge_sets(id) ON DELETE CASCADE,
UNIQUE KEY uk_dm_kd_set_path (set_id, relative_path), UNIQUE KEY uk_dm_kd_set_path (set_id, relative_path(768)),
INDEX idx_dm_kd_set_id (set_id), INDEX idx_dm_kd_set_id (set_id),
INDEX idx_dm_kd_relative_path (relative_path) INDEX idx_dm_kd_relative_path (relative_path(768))
) COMMENT='知识条目目录表（UUID 主键）'; ) COMMENT='知识条目目录表（UUID 主键）';
-- =========================================== -- ===========================================