53 lines
1.5 KiB
SQL
53 lines
1.5 KiB
SQL
SET @dbname = DATABASE();
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SET @tablename = 'visits';
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-- Add sick_leave_days
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SET @columnname = 'sick_leave_days';
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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
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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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CONCAT("ALTER TABLE ", @tablename, " ADD COLUMN ", @columnname, " INT NULL;")
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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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-- Add sick_leave_start_date
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SET @columnname = 'sick_leave_start_date';
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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
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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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CONCAT("ALTER TABLE ", @tablename, " ADD COLUMN ", @columnname, " DATE NULL;")
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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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-- Add sick_leave_remarks
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SET @columnname = 'sick_leave_remarks';
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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
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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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CONCAT("ALTER TABLE ", @tablename, " ADD COLUMN ", @columnname, " TEXT NULL;")
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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; |