SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 2) ExpressionList (children 4) Function now64 (alias dt64_0) (children 1) ExpressionList (children 2) Literal UInt64_0 Literal \'UTC\' Function now64 (alias dt64_1) (children 1) ExpressionList (children 2) Literal UInt64_1 Literal \'UTC\' Function now64 (alias dt64_2) (children 1) ExpressionList (children 2) Literal UInt64_2 Literal \'UTC\' Function now64 (alias dt64_3) (children 1) ExpressionList (children 2) Literal UInt64_3 Literal \'UTC\' ExpressionList (children 4) Function equals (children 1) ExpressionList (children 2) Function snowflakeToDateTime64 (children 1) ExpressionList (children 2) Function dateTime64ToSnowflake (children 1) ExpressionList (children 1) Identifier dt64_0 Literal \'UTC\' Identifier dt64_0 Function equals (children 1) ExpressionList (children 2) Function snowflakeToDateTime64 (children 1) ExpressionList (children 2) Function dateTime64ToSnowflake (children 1) ExpressionList (children 1) Identifier dt64_1 Literal \'UTC\' Identifier dt64_1 Function equals (children 1) ExpressionList (children 2) Function snowflakeToDateTime64 (children 1) ExpressionList (children 2) Function dateTime64ToSnowflake (children 1) ExpressionList (children 1) Identifier dt64_2 Literal \'UTC\' Identifier dt64_2 Function equals (children 1) ExpressionList (children 2) Function snowflakeToDateTime64 (children 1) ExpressionList (children 2) Function dateTime64ToSnowflake (children 1) ExpressionList (children 1) Identifier dt64_3 Literal \'UTC\' Identifier dt64_3