Increased precision of time for Firebird and Oracle

Author: alex-kulakov

Orm/Xtensive.Orm.Firebird/Sql.Drivers.Firebird/Constants.cs

@@ -16,7 +16,7 @@ internal static class Constants
     public const string DateTimeFormatString = @"''\'yyyy\.MM\.dd HH\:mm\:ss\.fff\'''";
 #if NET6_0_OR_GREATER //DO_DATEONLY
     public const string DateFormatString = @"''\'yyyy\.MM\.dd\'''";
-    public const string TimeFormatString = @"''\'HH\:mm\:ss\.fff\'''";
+    public const string TimeFormatString = @"''\'HH\:mm\:ss\.ffff\'''";
 #endif
   }
 }

Orm/Xtensive.Orm.Oracle/Sql.Drivers.Oracle/v09/Compiler.cs

@@ -41,11 +41,11 @@ internal class Compiler : SqlCompiler
     protected const string NumToYMIntervalFunctionName = "NUMTOYMINTERVAL";
 
     protected const string ToDSIntervalFunctionName = "TO_DSINTERVAL";
-    protected const string TimeFormat = "HH24:MI:SS.FF6";
+    protected const string TimeFormat = "HH24:MI:SS.FF7";
 
     private static readonly SqlExpression SundayNumber = SqlDml.Native(
       "TO_NUMBER(TO_CHAR(TIMESTAMP '2009-07-26 00:00:00.000', 'D'))");
-    private static readonly SqlNative RefTimestamp = SqlDml.Native("timestamp '2009-01-01 00:00:00.000000'");
+    private static readonly SqlNative RefTimestamp = SqlDml.Native("timestamp '2009-01-01 00:00:00.0000000'");
 
     public override void Visit(SqlFunctionCall node)
     {

Orm/Xtensive.Orm.Oracle/Sql.Drivers.Oracle/v09/ServerInfoProvider.cs

@@ -232,7 +232,7 @@ public override DataTypeCollection GetDataTypesInfo()
       types.DateOnly = DataTypeInfo.Range(SqlType.Date, common | index,
         ValueRange.DateOnly, "DATE");
       types.TimeOnly = DataTypeInfo.Range(SqlType.Time, common | index,
-        ValueRange.TimeOnly, "interval day(0) to second(6)");
+        ValueRange.TimeOnly, "interval day(0) to second(7)");
 #endif
       types.DateTimeOffset = DataTypeInfo.Range(SqlType.DateTimeOffset, common | index,
         ValueRange.DateTimeOffset, "TIMESTAMP WITH TIME ZONE");

Orm/Xtensive.Orm.Oracle/Sql.Drivers.Oracle/v09/Translator.cs

@@ -35,7 +35,7 @@ internal class Translator : SqlTranslator
     public override string DateOnlyFormatString => @"'(DATE '\'yyyy\-MM\-dd\'\)";
 
     /// <inheritdoc/>
-    public override string TimeOnlyFormatString => @"'(INTERVAL '\'0 HH\:mm\:ss\.ffffff\'\ DAY(0) TO SECOND(6))";
+    public override string TimeOnlyFormatString => @"'(INTERVAL '\'0 HH\:mm\:ss\.fffffff\'\ DAY(0) TO SECOND(7))";
 #endif
 
     /// <inheritdoc/>
@@ -340,7 +340,7 @@ public override string Translate(SqlValueType type)
       return type.Type == SqlType.Interval
         ? "INTERVAL DAY(6) TO SECOND(3)"
         : type.Type == SqlType.Time
-          ? "INTERVAL DAY(0) TO SECOND(6)"
+          ? "INTERVAL DAY(0) TO SECOND(7)"
           : base.Translate(type);
 #else
       // we need to explicitly specify maximum interval precision

Orm/Xtensive.Orm.Oracle/Sql.Drivers.Oracle/v11/Translator.cs

@@ -26,7 +26,7 @@ public override string Translate(SqlValueType type)
     {
       // we need to explicitly specify maximum interval precision
       return type.Type == SqlType.Interval
-        ? "INTERVAL DAY(6) TO SECOND(6)"
+        ? "INTERVAL DAY(6) TO SECOND(7)"
         : base.Translate(type);
     }