SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 6) ExpressionList (children 5) Identifier SearchEngineID Identifier ClientIP Function count (alias c) (children 1) ExpressionList Function sum (children 1) ExpressionList (children 1) Identifier Refresh Function avg (children 1) ExpressionList (children 1) Identifier ResolutionWidth TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) TableIdentifier test.hits_s3 Function notEquals (children 1) ExpressionList (children 2) Identifier SearchPhrase Literal \'\' ExpressionList (children 2) Identifier SearchEngineID Identifier ClientIP ExpressionList (children 1) OrderByElement (children 1) Identifier c Literal UInt64_10