CreateQuery t_dist (children 3) Identifier t_dist Columns definition (children 1) ExpressionList (children 1) ColumnDeclaration a (children 1) DataType int Storage definition (children 1) Function Distributed (children 1) ExpressionList (children 4) Identifier test_shard_localhost Function currentDatabase (children 1) ExpressionList Literal \'t_local\' Function cityHash64 (children 1) ExpressionList (children 1) Identifier a