MySql provider changes

Author: alex-kulakov

Orm/Xtensive.Orm.MySql/Sql.Drivers.MySql/v5_0/Extractor.cs

@@ -655,7 +655,6 @@ private SqlValueType CreateValueType(IDataRecord row,
       if (typeName.StartsWith("DATETIME", StringComparison.Ordinal)) {
         return new SqlValueType(SqlType.DateTime);
       }
-
 #if NET6_0_OR_GREATER
       if (typeName.Equals("TIME", StringComparison.Ordinal) || typeName.StartsWith("TIME(")) {
         return new SqlValueType(SqlType.Time);

Orm/Xtensive.Orm.MySql/Sql.Drivers.MySql/v5_6/ServerInfoProvider.cs

@@ -11,7 +11,6 @@ namespace Xtensive.Sql.Drivers.MySql.v5_6
 {
   internal class ServerInfoProvider : v5_5.ServerInfoProvider
   {
-#if NET6_0_OR_GREATER
     /// <inheritdoc/>
     public override DataTypeCollection GetDataTypesInfo()
     {
@@ -22,11 +21,23 @@ public override DataTypeCollection GetDataTypesInfo()
 
       var index = DataTypeFeatures.Indexing | DataTypeFeatures.KeyConstraint;
 
-      types.TimeOnly = DataTypeInfo.Range(SqlType.Time, common | index, ValueRange.TimeOnly, "time(6)");
+#if NET6_0_OR_GREATER
+      types.DateTime = DataTypeInfo.Range(SqlType.DateTime, common | index,
+        new ValueRange<DateTime>(new DateTime(1000, 1, 1), new DateTime(9999, 12, 31)),
+        "datetime(6)");
+
+      types.DateOnly = DataTypeInfo.Range(SqlType.Date, common | index,
+        new ValueRange<DateOnly>(new DateOnly(1000, 1, 1), new DateOnly(9999, 12, 31)),
+        "date");
 
+      types.TimeOnly = DataTypeInfo.Range(SqlType.Time, common | index, ValueRange.TimeOnly, "time(6)");
+#else
+      types.DateTime = DataTypeInfo.Range(SqlType.DateTime, common | index,
+         new ValueRange<DateTime>(new DateTime(1000, 1, 1), new DateTime(9999, 12, 31)),
+         "datetime(6)", "time(6)");
+#endif
       return types;
     }
-#endif
 
     // Constructors
 

Orm/Xtensive.Orm.MySql/Sql.Drivers.MySql/v5_6/Translator.cs

@@ -21,7 +21,7 @@ public override void Translate(SqlCompilerContext context, SqlCast node, NodeSec
             _ = context.Output.AppendOpeningPunctuation("CAST(");
             break;
           case NodeSection.Exit:
-            _ = context.Output.Append("AS ").Append(Translate(node.Type)).Append(")");
+            _ = context.Output.Append("AS ").Append(Translate(node.Type)).AppendClosingPunctuation(")");
             break;
           default:
             throw new ArgumentOutOfRangeException(nameof(section));