CreateQuery 02416_test (children 3) Identifier 02416_test Columns definition (children 1) ExpressionList (children 2) ColumnDeclaration key (children 1) DataType Tuple (children 1) ExpressionList (children 2) DataType String DataType UInt32 ColumnDeclaration value (children 1) DataType UInt64 Storage definition (children 2) Function KeeperMap (children 1) ExpressionList (children 1) Function concat (children 1) ExpressionList (children 3) Literal \'/\' Function currentDatabase (children 1) ExpressionList Literal \'/test2416\' Identifier key