SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 1) ExpressionList (children 3) Function map (alias m) (children 1) ExpressionList (children 4) Function CAST (children 1) ExpressionList (children 2) Literal \'0.1\' Literal \'Float32\' Literal UInt64_4 Function CAST (children 1) ExpressionList (children 2) Literal \'0.2\' Literal \'Float32\' Literal UInt64_5 Function mapContains (children 1) ExpressionList (children 2) Identifier m Function CAST (children 1) ExpressionList (children 2) Literal \'0.1\' Literal \'Float32\' Function mapContains (children 1) ExpressionList (children 2) Identifier m Function CAST (children 1) ExpressionList (children 2) Literal \'0.3\' Literal \'Float32\'