Constant for functionColumnReturn of DatabaseMetaData#getFunctionColumns?

Question

According to DatabaseMetaData#getFunctionColumns, the result column of COLUMN_TYPE may be one of

• functionColumnUnknown (0)
• funtionColumnIn (1)
• functionColumnInOut (2)
• functionColumnOut (3)
• functionColumnReturn
• functionColumnResult (5)

Where is the constant for functionColumnReturn?

Answer 1

Seems like there's a typo (and it's been that way since its inception in 1.6).

It's not functionColumnReturn, it's just functionReturn (4).