fix build: Add a few includes, suppress some werrors

Not sure how this slipped through the cracks, but I'm guessing the build
broke when we upgraded the cpp compilers (to clang 17 and gcc 13).

* Include <cstdint> in a few places
* Suppress -Wstringop-overflow in sparkd-gcc-release build
* Change const char * param to explicit std::string for proper type
  deduction in call to 'std::make_tuple'. For some reason, the gcc build
  was failing with an array-bounds werror (changing the arg fixed it).

src/DataStreamSuite/DataStream/ObservableViewStream.cs

@@ -14,11 +14,8 @@ public class ObservableViewStream : ViewStream, IObservable<DataPacket>, IDispos
       this.source = source;
 
    public void Dispose() {
-      GC.SuppressFinalize(this);
-      if (subscription is not null) {
-         subscription.Dispose();
-         subscription = null;
-      }
+      subscription?.Dispose();
+      subscription = null;
    }
 
    protected override void myOnFirstSubscriber() {

src/DataStreamSuite/DataStream/Primitives/MongoDB/MongoCollectionStream.cs

@@ -188,7 +188,7 @@ public class MongoCollectionStream : ViewStream, IObservable<DataPacket> {
       collection = database.GetCollection<BsonDocument>(collectionName);
       var cursor = collection.Find(Builders<BsonDocument>.Filter.Empty).ToCursor();
       var docList = await cursor.ToListAsync();
-      rowFactory ??= getRowFactory(docList);
+      rowFactory ??= MongoSchemaAdaptor.InferSchema(docList);
       var firstTable = new BlueTableImmutable(rowFactory.Schema).ToDataPacketBuilder();
       foreach (var doc in docList) {
          var row = rowFactory.GetBlueRow(doc);

src/DataStreamSuite/DataStream/Primitives/MongoDB/MongoSchemaAdaptor.cs

@@ -1,5 +1,7 @@
 namespace Bts.DataStream;
 
+using BCG;
+
 using bts;
 
 using MongoDB.Bson;

src/DataStreamSuite/DataStreamCore/BlueData/BlueTableSchemaAdaptor.cs

@@ -9,16 +9,16 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 
-public class BlueTableSchemaAdaptor<T> : IMutableBlueRowFactory<T> {
+public class BlueTableSchemaAdaptor<T> {
    readonly string name;
-   readonly List<ColumnAdaptor> columns = new();
+   readonly List<ColumnAdaptor> columns = [];
    BlueTableSchema? schema;
 
    public BlueTableSchemaAdaptor(string name) =>
       this.name = name;
 
    public IBlueTableSchema Schema =>
-      schema ??= new BlueTableSchema(columns.WrapSelectorRO(c => c.Info).ToArray(), name);
+      schema ??= new BlueTableSchema([.. columns.WrapSelectorRO(c => c.Info)], name);
 
    public bool Contains(string name) =>
       columns.Any(c => c.Info.colName == name);
@@ -60,10 +60,7 @@ public class BlueTableSchemaAdaptor<T> : IMutableBlueRowFactory<T> {
       columns.Add(new ColumnAdaptor(new(name, columns.Count, dataType), r => getValue(r)));
    }
 
-   public IBlueRow GetBlueRow(T item) =>
-      GetMutableBlueRow(item);
-
-   public MutableBlueRow GetMutableBlueRow(T item) {
+   public IBlueRow GetBlueRow(T item) {
       var mbr = new MutableBlueRow(Schema);
       foreach (var col in columns) {
          mbr.setValue(col.Info.colNo, col.GetValue(item));

src/DataStreamSuite/DataStreamCore/BlueData/IBlueRowFactory.cs

@@ -1,9 +0,0 @@
-#nullable enable
-namespace Bts.DataStream;
-
-using BCG;
-
-public interface IBlueRowFactory<T> {
-   IBlueTableSchema Schema { get; }
-   IBlueRow GetBlueRow(T item);
-}

src/DataStreamSuite/DataStreamCore/BlueData/IMutableBlueRowFactory.cs

@@ -1,11 +0,0 @@
-#nullable enable
-namespace Bts.DataStream;
-
-using BCG;
-
-public interface IMutableBlueRowFactory<T> : IBlueRowFactory<T> {
-   MutableBlueRow GetMutableBlueRow(T item);
-
-   IBlueRow IBlueRowFactory<T>.GetBlueRow(T item) =>
-      GetMutableBlueRow(item);
-}

src/DataStreamSuite/DataStreamCore/DataPacket.cs

@@ -313,9 +313,4 @@ namespace BCG
          return String.Format("DataPacket, schema {0} n {1} d {2} a {3}", schema.tableName, newRows.Count, deletedRows.Count, addedRows.Count);
       }
    }
-
-   public static class DataPacketExtensions {
-      public static bool HasChanges(this DataPacket dataPacket) =>
-         dataPacket.addedRows.Count > 0 || dataPacket.deletedRows.Count > 0;
-   }
 }