SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 1) ExpressionList (children 1) Function multiplyDecimal (children 1) ExpressionList (children 3) Function toDecimal32 (children 1) ExpressionList (children 2) Literal Float64_123.123 Literal UInt64_3 Function toDecimal128 (children 1) ExpressionList (children 2) Literal Float64_11.4 Literal UInt64_1 Literal UInt64_2