47 lines
2.3 KiB
SQL
47 lines
2.3 KiB
SQL
-- 第一阶段：创建批次学生关联表
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-- 说明：用于快速查询和统计批次中的学生
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-- 1. 创建批次学生关联表
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CREATE TABLE xg_collection_batch_student (
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id BIGINT PRIMARY KEY AUTO_INCREMENT,
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batch_id BIGINT NOT NULL COMMENT '批次ID',
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student_id BIGINT NOT NULL COMMENT '学生ID',
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student_code VARCHAR(50) NOT NULL COMMENT '学号',
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student_name VARCHAR(100) NOT NULL COMMENT '学生姓名',
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college_id BIGINT COMMENT '学院ID',
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college_name VARCHAR(100) COMMENT '学院名称',
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major_id BIGINT COMMENT '专业ID',
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major_name VARCHAR(100) COMMENT '专业名称',
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class_id BIGINT COMMENT '班级ID',
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class_name VARCHAR(100) COMMENT '班级名称',
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grade VARCHAR(50) COMMENT '届别',
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can_edit TINYINT DEFAULT 1 COMMENT '是否可编辑',
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has_submitted TINYINT DEFAULT 0 COMMENT '是否已提交',
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submit_time DATETIME COMMENT '提交时间',
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last_edit_time DATETIME COMMENT '最后编辑时间',
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edit_count INT DEFAULT 0 COMMENT '编辑次数',
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create_time DATETIME DEFAULT CURRENT_TIMESTAMP,
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update_time DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
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create_by BIGINT COMMENT '创建者',
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update_by BIGINT COMMENT '更新者',
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deleted TINYINT DEFAULT 0 COMMENT '删除标志',
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tenant_id BIGINT DEFAULT 0 COMMENT '租户ID'
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='信息采集批次学生关联表';
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-- 2. 创建索引
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CREATE INDEX idx_batch_id ON xg_collection_batch_student(batch_id);
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CREATE INDEX idx_student_id ON xg_collection_batch_student(student_id);
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CREATE INDEX idx_batch_student ON xg_collection_batch_student(batch_id, student_id);
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CREATE INDEX idx_college_id ON xg_collection_batch_student(college_id);
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CREATE INDEX idx_grade ON xg_collection_batch_student(grade);
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CREATE INDEX idx_create_time ON xg_collection_batch_student(create_time);
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CREATE INDEX idx_has_submitted ON xg_collection_batch_student(has_submitted);
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CREATE INDEX idx_deleted ON xg_collection_batch_student(deleted);
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-- 3. 创建外键约束
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ALTER TABLE xg_collection_batch_student
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ADD CONSTRAINT fk_batch_student_batch
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FOREIGN KEY (batch_id) REFERENCES xg_collection_batch(id) ON DELETE CASCADE;
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-- 验证创建
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SELECT 'Batch student relation table created!' as message; |