LibSQL+SQLServer+sql: Send and parse the correct number of changed rows

The sql REPL had the created/updated rows swapped by mistake. Also make
sure SQLServer fills in the correct value depending on the executed
command, and that the DELETE command indicates the rows it deleted.

Userland/Libraries/LibSQL/AST/Delete.cpp

@@ -31,6 +31,7 @@ ResultOr<ResultSet> Delete::execute(ExecutionContext& context) const
         TRY(context.database->remove(table_row));
 
         // FIXME: Implement the RETURNING clause.
+        result.insert_row(table_row, {});
     }
 
     return result;

Userland/Services/SQLServer/SQLStatement.cpp

@@ -94,7 +94,14 @@ Optional<u64> SQLStatement::execute(Vector<SQL::Value> placeholder_values)
             auto result_size = result.size();
             next(execution_id, move(result), result_size);
         } else {
-            client_connection->async_execution_success(statement_id(), execution_id, false, 0, result.size(), 0);
+            if (result.command() == SQL::SQLCommand::Insert)
+                client_connection->async_execution_success(statement_id(), execution_id, false, result.size(), 0, 0);
+            else if (result.command() == SQL::SQLCommand::Update)
+                client_connection->async_execution_success(statement_id(), execution_id, false, 0, result.size(), 0);
+            else if (result.command() == SQL::SQLCommand::Delete)
+                client_connection->async_execution_success(statement_id(), execution_id, false, 0, 0, result.size());
+            else
+                client_connection->async_execution_success(statement_id(), execution_id, false, 0, 0, 0);
         }
     });
 

Userland/Utilities/sql.cpp

@@ -76,9 +76,9 @@ public:
 
         m_sql_client = SQL::SQLClient::try_create().release_value_but_fixme_should_propagate_errors();
 
-        m_sql_client->on_execution_success = [this](auto, auto, auto has_results, auto updated, auto created, auto deleted) {
+        m_sql_client->on_execution_success = [this](auto, auto, auto has_results, auto created, auto updated, auto deleted) {
             if (updated != 0 || created != 0 || deleted != 0) {
-                outln("{} row(s) updated, {} created, {} deleted", updated, created, deleted);
+                outln("{} row(s) created, {} updated, {} deleted", created, updated, deleted);
             }
             if (!has_results) {
                 read_sql();