{ "_yql_row_spec" = { "Type" = [ "StructType"; [ [ "fdate32"; [ "DataType"; "String" ] ]; [ "fdatetime64"; [ "DataType"; "String" ] ]; [ "ftimestamp64"; [ "DataType"; "String" ] ]; [ "ftzdate32"; [ "DataType"; "String" ] ]; [ "ftzdatetime64"; [ "DataType"; "String" ] ]; [ "ftztimestamp64"; [ "DataType"; "String" ] ]; [ "finterval64"; [ "DataType"; "String" ] ]; ] ] } }