Simpler convert handling.

Author: cincuranet

src/FirebirdSql.EntityFrameworkCore.Firebird/Query/ExpressionTranslators/Internal/FbConvertTranslator.cs

@@ -30,33 +30,33 @@ namespace FirebirdSql.EntityFrameworkCore.Firebird.Query.ExpressionTranslators.I
 
 public class FbConvertTranslator : IMethodCallTranslator
 {
-	static readonly Dictionary<string, string> TypeMappings = new Dictionary<string, string>
+	static readonly List<string> Mappings = new List<string>
 	{
-		[nameof(Convert.ToByte)] = "SMALLINT",
-		[nameof(Convert.ToDecimal)] = $"DECIMAL({FbTypeMappingSource.DefaultDecimalPrecision},{FbTypeMappingSource.DefaultDecimalScale})",
-		[nameof(Convert.ToDouble)] = "DOUBLE PRECISION",
-		[nameof(Convert.ToInt16)] = "SMALLINT",
-		[nameof(Convert.ToInt32)] = "INTEGER",
-		[nameof(Convert.ToInt64)] = "BIGINT",
-		[nameof(Convert.ToString)] = $"VARCHAR({FbTypeMappingSource.VarcharMaxSize})"
+		nameof(Convert.ToByte),
+		nameof(Convert.ToDecimal),
+		nameof(Convert.ToDouble),
+		nameof(Convert.ToInt16),
+		nameof(Convert.ToInt32),
+		nameof(Convert.ToInt64),
+		nameof(Convert.ToString),
 	};
 
 	static readonly HashSet<Type> SupportedTypes = new HashSet<Type>
-		{
-			typeof(bool),
-			typeof(byte),
-			typeof(decimal),
-			typeof(double),
-			typeof(float),
-			typeof(int),
-			typeof(long),
-			typeof(short),
-			typeof(string),
-			typeof(DateTime),
-		};
+	{
+		typeof(bool),
+		typeof(byte),
+		typeof(decimal),
+		typeof(double),
+		typeof(float),
+		typeof(int),
+		typeof(long),
+		typeof(short),
+		typeof(string),
+		typeof(DateTime),
+	};
 
 	static readonly IEnumerable<MethodInfo> SupportedMethods
-		= TypeMappings.Keys
+		= Mappings
 			.SelectMany(t => typeof(Convert).GetTypeInfo().GetDeclaredMethods(t)
 				.Where(m => m.GetParameters().Length == 1 && SupportedTypes.Contains(m.GetParameters().First().ParameterType)));