19 lines
664 B
SQL
19 lines
664 B
SQL
ALTER TABLE `users`
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ADD COLUMN IF NOT EXISTS `is_test_account` TINYINT(1) NOT NULL DEFAULT 0 COMMENT '是否为开发测试实验室账号' AFTER `role`;
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SET @test_account_index_exists := (
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SELECT COUNT(*)
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FROM information_schema.statistics
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WHERE table_schema = DATABASE()
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AND table_name = 'users'
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AND index_name = 'idx_users_is_test_account'
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);
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SET @test_account_index_sql := IF(
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@test_account_index_exists = 0,
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'CREATE INDEX `idx_users_is_test_account` ON `users` (`is_test_account`)',
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'SELECT 1'
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);
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PREPARE test_account_index_stmt FROM @test_account_index_sql;
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EXECUTE test_account_index_stmt;
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DEALLOCATE PREPARE test_account_index_stmt;
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