2022-09-24 20:55:17 +08:00
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-- CREATE TEMPORARY TABLE tmp_table SELECT distinct text FROM answer
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2022-09-24 21:49:09 +08:00
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drop table if exists tmp_table;
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CREATE TABLE tmp_table SELECT distinct text FROM answer order by text;
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drop table if exists answer;
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ALTER TABLE tmp_table RENAME answer;
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ALTER TABLE `answer`
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ADD COLUMN `id` int NOT NULL AUTO_INCREMENT FIRST,
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ADD PRIMARY KEY (`id`),
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ADD UNIQUE INDEX(`text`);
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