Renaming a stored property with only a case change results in "column already exists" error

[danchanka]

When attempting to rename a stored property by changing only the case (e.g., renaming serverTimezone to serverTimeZone), an error occurs stating that a column with the specified name already exists. This issue arises because column names in PostgreSQL are case-insensitive by default and are stored in lowercase. Therefore, changing only the case of a column name is interpreted as an attempt to rename the column to an already existing name, causing a conflict.