WhileSection

Orm/Xtensive.Orm/Sql/Compiler/SqlCompiler.cs

@@ -2034,11 +2034,11 @@ public virtual void Visit(SqlVariant node)
     public virtual void Visit(SqlWhile node)
     {
       using (context.EnterScope(node)) {
-        AppendTranslated(node, WhileSection.Entry);
+        translator.WhileEntry(context);
         node.Condition.AcceptVisitor(this);
-        AppendTranslated(node, WhileSection.Statement);
+        translator.WhileStatement(context);
         node.Statement.AcceptVisitor(this);
-        AppendTranslated(node, WhileSection.Exit);
+        translator.WhileExit(context);
       }
     }
 
@@ -2717,13 +2717,6 @@ protected void AppendTranslated(SqlVariable node)
       translator.Translate(context, node);
     }
 
-    protected void AppendTranslated(SqlWhile node, WhileSection section)
-    {
-      AppendSpaceIfNecessary();
-      translator.Translate(context, node, section);
-      AppendSpaceIfNecessary();
-    }
-
     protected void AppendTranslated(SqlExtract extract, ExtractSection section)
     {
       AppendSpaceIfNecessary();

Orm/Xtensive.Orm/Sql/Compiler/SqlNodeSections.cs

@@ -197,13 +197,6 @@ public enum UpdateSection
     Limit = 5,
   }
 
-  public enum WhileSection
-  {
-    Entry = 0,
-    Exit = 1,
-    Statement = 2,
-  }
-
   public enum QueryExpressionSection
   {
     Entry = 0,

Orm/Xtensive.Orm/Sql/Compiler/SqlTranslator.cs

@@ -1892,26 +1892,20 @@ public virtual void Translate(SqlCompilerContext context, SqlUserFunctionCall no
     /// <param name="node">Expression to translate.</param>
     public virtual void Translate(SqlCompilerContext context, SqlVariable node) => context.Output.Append("@").Append(node.Name);
 
-    /// <summary>
-    /// Translates <see cref="SqlWhile"/> statement and writes result to to <see cref="SqlCompilerContext.Output"/>.
-    /// </summary>
-    /// <param name="context">The compiler context.</param>
-    /// <param name="node">Statement to translate.</param>
-    /// <param name="section">Particular section to translate.</param>
-    public virtual void Translate(SqlCompilerContext context, SqlWhile node, WhileSection section)
-    {
-      switch (section) {
-        case WhileSection.Entry:
-          _ = context.Output.AppendOpeningPunctuation("WHILE (");
-          break;
-        case WhileSection.Statement:
-          _ = context.Output.AppendClosingPunctuation(") BEGIN");
-          break;
-        case WhileSection.Exit:
-          _ = context.Output.Append("END");
-          break;
-      }
-    }
+    public virtual void WhileEntry(SqlCompilerContext context) =>
+      context.Output.AppendSpaceIfNecessary()
+        .AppendOpeningPunctuation("WHILE (")
+        .AppendSpaceIfNecessary();
+
+    public virtual void WhileStatement(SqlCompilerContext context) =>
+      context.Output.AppendSpaceIfNecessary()
+        .AppendClosingPunctuation(") BEGIN")
+        .AppendSpaceIfNecessary();
+
+    public virtual void WhileExit(SqlCompilerContext context) =>
+      context.Output.AppendSpaceIfNecessary()
+        .AppendClosingPunctuation("END")
+        .AppendSpaceIfNecessary();
 
     /// <summary>
     /// Translates <see cref="SqlCommand"/> statement and writes result to to <see cref="SqlCompilerContext.Output"/>.