@@ -797,7 +797,7 @@ internal void ProcessMessage(IBackendMessage msg)
         // We assume that the row's number of columns is identical to the description's
         var numColumns = Buffer.ReadInt16();
         if (ColumnCount != numColumns)
-            ThrowHelper.ThrowArgumentException($"Row's number of columns ({numColumns}) differs from the row description's ({ColumnCount})");
+            ThrowColumnCountMismatch(numColumns);
 
         var readPosition = Buffer.ReadPosition;
         var msgRemainder = dataRow.Length - sizeof(short);
@@ -857,6 +857,10 @@ void HandleUncommon(IBackendMessage msg)
                 break;
             }
         }
+
+        // Moved to separate method to avoid 400 bytes of string interpolation code
+        void ThrowColumnCountMismatch(short columnsCount)
+            => ThrowHelper.ThrowArgumentException($"Row's number of columns ({columnsCount}) differs from the row description's ({ColumnCount})");
     }
 
     #endregion
Original file line number	Diff line number	Diff line change
`@@ -797,7 +797,7 @@ internal void ProcessMessage(IBackendMessage msg)`
`797`	`797`	`// We assume that the row's number of columns is identical to the description's`
`798`	`798`	`var numColumns = Buffer.ReadInt16();`
`799`	`799`	`if (ColumnCount != numColumns)`
`800`		`- ThrowHelper.ThrowArgumentException($"Row's number of columns ({numColumns}) differs from the row description's ({ColumnCount})");`
	`800`	`+ ThrowColumnCountMismatch(numColumns);`
`801`	`801`
`802`	`802`	`var readPosition = Buffer.ReadPosition;`
`803`	`803`	`var msgRemainder = dataRow.Length - sizeof(short);`
`@@ -857,6 +857,10 @@ void HandleUncommon(IBackendMessage msg)`
`857`	`857`	`break;`
`858`	`858`	`}`
`859`	`859`	`}`
	`860`	`+`
	`861`	`+ // Moved to separate method to avoid 400 bytes of string interpolation code`
	`862`	`+ void ThrowColumnCountMismatch(short columnsCount)`
	`863`	`+ => ThrowHelper.ThrowArgumentException($"Row's number of columns ({columnsCount}) differs from the row description's ({ColumnCount})");`
`860`	`864`	`}`
`861`	`865`
`862`	`866`	`#endregion`