陈子默
9600d0855e
- add FAQ category table/sql migration and initialize ddl updates - add category service/controller with validation, default category rules, and sorting - support faq item category binding and category-based filtering (include descendants) - redesign FAQ page with category tree actions and UI polish
63 lines
2.7 KiB
SQL
63 lines
2.7 KiB
SQL
SET NAMES utf8mb4;
|
||
SET FOREIGN_KEY_CHECKS = 0;
|
||
|
||
-- P3: FAQ分类树增强（最多三级）
|
||
|
||
CREATE TABLE IF NOT EXISTS tb_faq_category
|
||
(
|
||
id bigint UNSIGNED NOT NULL COMMENT '主键',
|
||
collection_id bigint UNSIGNED NOT NULL COMMENT '知识库ID',
|
||
parent_id bigint UNSIGNED NOT NULL DEFAULT 0 COMMENT '父分类ID，0表示根',
|
||
ancestors varchar(512) NOT NULL DEFAULT '0' COMMENT '祖先路径(逗号分隔)',
|
||
level_no tinyint UNSIGNED NOT NULL DEFAULT 1 COMMENT '层级(1-3)',
|
||
category_name varchar(64) NOT NULL COMMENT '分类名称',
|
||
sort_no int NOT NULL DEFAULT 0 COMMENT '排序',
|
||
is_default tinyint(1) NOT NULL DEFAULT 0 COMMENT '是否默认分类',
|
||
status int NOT NULL DEFAULT 0 COMMENT '数据状态',
|
||
created datetime NULL COMMENT '创建时间',
|
||
created_by bigint UNSIGNED NULL COMMENT '创建人',
|
||
modified datetime NULL COMMENT '更新时间',
|
||
modified_by bigint UNSIGNED NULL COMMENT '更新人',
|
||
PRIMARY KEY (id),
|
||
INDEX idx_faq_category_collection_parent_sort (collection_id, parent_id, sort_no),
|
||
INDEX idx_faq_category_collection_level (collection_id, level_no),
|
||
INDEX idx_faq_category_collection_status (collection_id, status)
|
||
) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci COMMENT ='FAQ分类';
|
||
|
||
-- 兼容低版本 MySQL：不使用 ADD COLUMN / ADD INDEX IF NOT EXISTS
|
||
SET @faq_item_category_col_exists := (
|
||
SELECT COUNT(1)
|
||
FROM information_schema.COLUMNS
|
||
WHERE TABLE_SCHEMA = DATABASE()
|
||
AND TABLE_NAME = 'tb_faq_item'
|
||
AND COLUMN_NAME = 'category_id'
|
||
);
|
||
|
||
SET @faq_item_add_category_col_sql := IF(
|
||
@faq_item_category_col_exists = 0,
|
||
'ALTER TABLE tb_faq_item ADD COLUMN category_id bigint UNSIGNED NULL DEFAULT NULL COMMENT ''FAQ分类ID'' AFTER collection_id',
|
||
'DO 0'
|
||
);
|
||
PREPARE stmt_add_faq_item_category_col FROM @faq_item_add_category_col_sql;
|
||
EXECUTE stmt_add_faq_item_category_col;
|
||
DEALLOCATE PREPARE stmt_add_faq_item_category_col;
|
||
|
||
SET @faq_item_category_idx_exists := (
|
||
SELECT COUNT(1)
|
||
FROM information_schema.STATISTICS
|
||
WHERE TABLE_SCHEMA = DATABASE()
|
||
AND TABLE_NAME = 'tb_faq_item'
|
||
AND INDEX_NAME = 'idx_faq_collection_category_order'
|
||
);
|
||
|
||
SET @faq_item_add_category_idx_sql := IF(
|
||
@faq_item_category_idx_exists = 0,
|
||
'ALTER TABLE tb_faq_item ADD INDEX idx_faq_collection_category_order (collection_id, category_id, order_no)',
|
||
'DO 0'
|
||
);
|
||
PREPARE stmt_add_faq_item_category_idx FROM @faq_item_add_category_idx_sql;
|
||
EXECUTE stmt_add_faq_item_category_idx;
|
||
DEALLOCATE PREPARE stmt_add_faq_item_category_idx;
|
||
|
||
SET FOREIGN_KEY_CHECKS = 1;
|