CreateQuery 01778_db hierarchy_flat_dictionary (children 4) Identifier 01778_db Identifier hierarchy_flat_dictionary ExpressionList (children 2) DictionaryAttributeDeclaration id (children 1) DataType UInt64 DictionaryAttributeDeclaration parent_id (children 1) DataType UInt64 Dictionary definition (children 4) ExpressionList (children 1) Identifier id FunctionWithKeyValueArguments clickhouse (children 1) ExpressionList (children 5) pair (children 1) Literal \'localhost\' pair (children 1) Function tcpPort (children 1) ExpressionList pair (children 1) Literal \'default\' pair (children 1) Literal \'hierarchy_source_table\' pair (children 1) Literal \'01778_db\' Dictionary lifetime Dictionary layout (children 1) ExpressionList