Add from_sequence option to default value policy (#2050)

ydb/public/api/protos/ydb_table.proto

@@ -333,6 +333,16 @@ message TableProfile {
     CachingPolicy caching_policy = 7;
 }
 
+message SequenceDescription {
+    optional string name = 1; // mandatorys
+    optional sint64 min_value = 2; // minimum value, defaults to 1 or Min<i64>
+    optional sint64 max_value = 3; // maximum value, defaults to Max<i64> or -1
+    optional sint64 start_value = 4; // start value, defaults to min_value
+    optional uint64 cache = 5; // number of items to cache, defaults to 1
+    optional sint64 increment = 6; // increment at each call, defaults to 1
+    optional bool cycle = 7; // true when cycle on overflow is allowed
+}
+
 message ColumnMeta {
     // Name of column
     string name = 1;
@@ -345,6 +355,7 @@ message ColumnMeta {
     // Column default value option
     oneof default_value {
         TypedValue from_literal = 5;
+        SequenceDescription from_sequence = 6;
     }
 }