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- {
- "_yql_row_spec"={
- "Type"=["StructType";[
- ["Key1";["DataType";"Int32"]];
- ["Key2";["DataType";"String"]];
- ["Fk1";["OptionalType";["DataType";"String"]]];
- ["Value";["OptionalType";["DataType";"String"]]]]
- ];
- "SortDirections"=[1;1];
- "SortedBy"=["Key1";"Key2"];
- "SortedByTypes"=[["DataType";"Int32";];["DataType";"String"]];
- "SortMembers"=["Key1";"Key2"];
- };
- "schema" = <"strict" = %true; "unique_keys" = %false>
- [
- {
- "name" = "Key1";
- "sort_order" = "ascending";
- "type" = "int64";
- "type_v3" = {"type_name" = "optional"; item = "int64"}
- };
- {
- "name" = "Key2";
- "sort_order" = "ascending";
- "type" = "string";
- "type_v3" = {"type_name" = "optional"; item = "string"}
- };
- {
- "name" = "Fk1";
- "type" = "string";
- "type_v3" = {"type_name" = "optional"; item = "string"}
- };
- {
- "name" = "Value";
- "type" = "string";
- "type_v3" = {"type_name" = "optional"; item = "string"}
- };
- ];
- "extended_stats" = [
- {
- "column_name" = "Key1";
- "data_weight" = 56;
- "num_unique_vals" = 11;
- };
- {
- "column_name" = "Key2";
- "data_weight" = 66;
- "num_unique_vals" = 5;
- };
- {
- "column_name" = "Fk1";
- "data_weight" = 70;
- "num_unique_vals" = 5;
- };
- {
- "column_name" = "Value";
- "data_weight" = 98;
- "num_unique_vals" = 6;
- }
- ]
- }
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