16 lines
478 B
SQL
16 lines
478 B
SQL
-- Add credits column to users table if not exists
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SET @dbname = DATABASE();
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SET @tablename = 'users';
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SET @columnname = 'credits';
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SET @preparedStatement = (SELECT IF(
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(SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_SCHEMA = @dbname
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AND TABLE_NAME = @tablename
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AND COLUMN_NAME = @columnname
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) > 0,
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'SELECT 1',
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'ALTER TABLE users ADD COLUMN credits INT DEFAULT 0'
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));
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PREPARE stmt FROM @preparedStatement;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt; |