101 lines
3.8 KiB
SQL
101 lines
3.8 KiB
SQL
-- 修复学院字段拼写问题
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-- 版本: 1.0.0
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-- 创建日期: 2025-07-13
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-- 描述: 检查并修复学院字段的拼写问题（college vs collage）
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-- 第一步：检查字段情况
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SELECT
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COUNT(*) as college_name_count,
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(SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_NAME = 'zsjy_enrollment_info'
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AND COLUMN_NAME = 'collage_name'
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AND TABLE_SCHEMA = DATABASE()) as collage_name_count,
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(SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_NAME = 'zsjy_enrollment_info'
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AND COLUMN_NAME = 'college_id'
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AND TABLE_SCHEMA = DATABASE()) as college_id_count,
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(SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_NAME = 'zsjy_enrollment_info'
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AND COLUMN_NAME = 'collage_id'
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AND TABLE_SCHEMA = DATABASE()) as collage_id_count
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FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_NAME = 'zsjy_enrollment_info'
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AND COLUMN_NAME = 'college_name'
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AND TABLE_SCHEMA = DATABASE();
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-- 第二步：如果存在collage_name而不存在college_name，则重命名字段
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SET @rename_collage_name_sql = (
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SELECT IF(
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EXISTS(SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_NAME = 'zsjy_enrollment_info'
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AND COLUMN_NAME = 'collage_name'
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AND TABLE_SCHEMA = DATABASE())
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AND
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NOT EXISTS(SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_NAME = 'zsjy_enrollment_info'
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AND COLUMN_NAME = 'college_name'
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AND TABLE_SCHEMA = DATABASE()),
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'ALTER TABLE zsjy_enrollment_info CHANGE COLUMN collage_name college_name varchar(100) COMMENT \'学院名称\'',
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'SELECT \'无需修改collage_name字段\' AS message'
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)
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);
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PREPARE stmt FROM @rename_collage_name_sql;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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-- 第三步：如果存在collage_id而不存在college_id，则重命名字段
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SET @rename_collage_id_sql = (
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SELECT IF(
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EXISTS(SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_NAME = 'zsjy_enrollment_info'
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AND COLUMN_NAME = 'collage_id'
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AND TABLE_SCHEMA = DATABASE())
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AND
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NOT EXISTS(SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_NAME = 'zsjy_enrollment_info'
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AND COLUMN_NAME = 'college_id'
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AND TABLE_SCHEMA = DATABASE()),
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'ALTER TABLE zsjy_enrollment_info CHANGE COLUMN collage_id college_id varchar(20) COMMENT \'学院代码\'',
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'SELECT \'无需修改collage_id字段\' AS message'
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)
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);
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PREPARE stmt FROM @rename_collage_id_sql;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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-- 第四步：如果不存在college_name，则添加该字段
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SET @add_college_name_sql = (
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SELECT IF(
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NOT EXISTS(SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_NAME = 'zsjy_enrollment_info'
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AND COLUMN_NAME = 'college_name'
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AND TABLE_SCHEMA = DATABASE()),
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'ALTER TABLE zsjy_enrollment_info ADD COLUMN college_name varchar(100) COMMENT \'学院名称\'',
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'SELECT \'college_name字段已存在\' AS message'
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)
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);
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PREPARE stmt FROM @add_college_name_sql;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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-- 第五步：如果不存在college_id，则添加该字段
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SET @add_college_id_sql = (
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SELECT IF(
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NOT EXISTS(SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_NAME = 'zsjy_enrollment_info'
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AND COLUMN_NAME = 'college_id'
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AND TABLE_SCHEMA = DATABASE()),
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'ALTER TABLE zsjy_enrollment_info ADD COLUMN college_id varchar(20) COMMENT \'学院代码\'',
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'SELECT \'college_id字段已存在\' AS message'
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)
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);
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PREPARE stmt FROM @add_college_id_sql;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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SELECT '学院字段拼写修复完成!' AS result;
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