25 строки
718 B
SQL
25 строки
718 B
SQL
CREATE TABLE IF NOT EXISTS Bots (
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UserId varchar(26) NOT NULL,
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Description text,
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OwnerId varchar(190) DEFAULT NULL,
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CreateAt bigint(20) DEFAULT NULL,
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UpdateAt bigint(20) DEFAULT NULL,
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DeleteAt bigint(20) DEFAULT NULL,
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PRIMARY KEY (UserId)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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SET @preparedStatement = (SELECT IF(
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(
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SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
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WHERE table_name = 'Bots'
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AND table_schema = DATABASE()
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AND column_name = 'LastIconUpdate'
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) > 0,
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'SELECT 1',
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'ALTER TABLE Bots ADD LastIconUpdate bigint;'
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));
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PREPARE alterIfNotExists FROM @preparedStatement;
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EXECUTE alterIfNotExists;
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DEALLOCATE PREPARE alterIfNotExists;
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