Enhancement: Added build method to SelectQuery class.

The parsing process in the constructor may be abolished in the future, but since the impact is large, we will wait and see for a while.

README.md

@@ -38,7 +38,7 @@ FROM
     var pname = ":category";
 
     // Convert the selection query to an object
-    var sq = new SelectQuery(sql)
+    var sq = SelectQuery.Parse(sql)
         .GreaterThanOrEqualIfNotNullOrEmpty("price", minPrice)
         .LessThanOrEqualIfNotNullOrEmpty("price", maxPrice)
         .AddParameter(pname, category)
@@ -277,7 +277,7 @@ Just pass the select query string to the constructor of the SelectQuery class.
 using Carbunql;
 
 var text = "select s.sale_id, s.store_id, date_trunc('month', s.sale_date) as allocate_ym, s.sale_price from sales as s";
-var sq = new SelectQuery(text);
+var sq = SelectQuery.Parse(text);
 ```
 
 ## Return the model to a select query
@@ -292,7 +292,7 @@ The `ToOneLineText` method will output a single line without formatting. Use the
 using Carbunql;
 
 var text = "select s.sale_id, s.store_id, date_trunc('month', s.sale_date) as allocate_ym, s.sale_price from sales as s";
-var sq = new SelectQuery(text);
+var sq = SelectQuery.Parse(text);
 var query = sq.ToOneLineText();
 ```
 
@@ -328,7 +328,7 @@ where
     c1 = :val
 ";
 
-var sq = new SelectQuery(sql);
+var sq = SelectQuery.Parse(sql);
 sq.AddParameter(":val", 1);
 
 using var r = cn.ExecuteReader(sq);
@@ -391,7 +391,7 @@ The second argument is a delegate (or lambda expression) that takes the column s
 using Carbunql;
 
 var text = "select s.sale_id, s.store_id, date_trunc('month', s.sale_date) as allocate_ym, s.sale_price from sales as s";
-var sq = new SelectQuery(text)
+var sq = SelectQuery.Parse(text)
   .AddWhere("sale_id", (source, column) => $"{source.Alias}.{column} = 1");
 ```
 
@@ -402,7 +402,7 @@ using Carbunql;
 using Carbunql.Fluent;
 
 var text = "select s.sale_id, s.store_id, date_trunc('month', s.sale_date) as allocate_ym, s.sale_price from sales as s";
-var sq = new SelectQuery(text)
+var sq = SelectQuery.Parse(text)
   .Equal("sale_id", 1);
 ```
 

demo/CarbunqlWeb/Pages/CTEQuery.razor

@@ -40,7 +40,7 @@
         <RadzenTabsItem Text="Source">
 	        <RadzenText Style="font-family: 'Ricty Diminished', SFMono-Regular, Consolas, 'Courier New', 'BIZ UDGothic', Meiryo, monospace; font-size: 18px; white-space: pre;" ReadOnly="true" >using Carbunql;
 
-var sql = new SelectQuery("select id, val from table_a as a")
+var sql = SelectQuery.Parse("select id, val from table_a as a")
 	.ToCteQuery(name, alias)
 	.ToText();</RadzenText>
         </RadzenTabsItem>
@@ -116,7 +116,7 @@ ORDER BY
 		}
 		try
 		{
-			fsql = new SelectQuery(sql)
+			fsql = SelectQuery.Parse(sql)
 				.ToCTEQuery(name.Trim(), alias.Trim())
 				.ToText();
 		}

demo/CarbunqlWeb/Pages/ColumnNameList.razor

@@ -50,7 +50,7 @@
 
 	string sourcecode = @"using Carbunql;
 
-var sq = new SelectQuery(sql);
+var sq = SelectQuery.Parse(sql);
 foreach (var item in sq.GetColumnNames())
 {
 	Console.WriteLine(item);
@@ -82,7 +82,7 @@ from
 		}
 		try
 		{
-			var sq = new SelectQuery(sql);
+			var sq = SelectQuery.Parse(sql);
 			var sb = new StringBuilder();
 
 			fsql = string.Empty;

demo/CarbunqlWeb/Pages/Count.razor

@@ -51,7 +51,7 @@
 	string sourcecode = @"using Carbunql;
 using Carbunql.Building;
 
-var sq = new SelectQuery(""select id, val from table_a as a"");
+var sq = SelectQuery.Parse(""select id, val from table_a as a"");
 var q = sq.ToCountQuery();
 Console.WriteLine(q.ToCommand().CommandText);";
 
@@ -77,7 +77,7 @@ Console.WriteLine(q.ToCommand().CommandText);";
 		}
 		try
 		{
-			var sq = new SelectQuery(sql);
+			var sq = SelectQuery.Parse(sql);
 			fsql = sq.ToCountQuery().ToCommand().CommandText;
 		}
 		catch (Exception ex)

demo/CarbunqlWeb/Pages/CreateTable.razor

@@ -73,7 +73,7 @@ FROM
 	string sourcecode = @"using Carbunql;
 using Carbunql.Building;
 
-var sq = new SelectQuery(""select id, val from table_a as a"");
+var sq = SelectQuery.Parse(""select id, val from table_a as a"");
 var q = sq.ToCreateTableQuery(""destinations"", isTemporary: true);
 Console.WriteLine(q.ToCommand().CommandText);";
 
@@ -101,7 +101,7 @@ Console.WriteLine(q.ToCommand().CommandText);";
 		}
 		try
 		{
-			var sq = new SelectQuery(sql);
+			var sq = SelectQuery.Parse(sql);
 			var q = sq.ToCreateTableQuery(table, istemp);
 			fsql = q.ToCommand().CommandText;
 		}

demo/CarbunqlWeb/Pages/Delete.razor

@@ -73,7 +73,7 @@ FROM
 	string sourcecode = @"using Carbunql;
 using Carbunql.Building;
 
-var sq = new SelectQuery(""select id, val from table_a as a"");
+var sq = SelectQuery.Parse(""select id, val from table_a as a"");
 var q = sq.ToDeleteQuery(""destinations"");
 Console.WriteLine(q.ToCommand().CommandText);";
 

demo/CarbunqlWeb/Pages/Insert.razor

@@ -71,7 +71,7 @@ FROM
 	string sourcecode = @"using Carbunql;
 using Carbunql.Building;
 
-var sq = new SelectQuery(""select id, val from table_a as a"");
+var sq = SelectQuery.Parse(""select id, val from table_a as a"");
 var q = sq.ToInsertQuery(""destinations"");
 Console.WriteLine(q.ToCommand().CommandText);";
 

demo/CarbunqlWeb/Pages/InternalQueryList.razor

@@ -50,7 +50,7 @@
 
     string sourcecode = @"using Carbunql;
 
-var sq = new SelectQuery(sql);
+var sq = SelectQuery.Parse(sql);
 foreach (var item in sq.GetInternalQueries())
 {
 	Console.WriteLine(item.ToCommand().CommandText);
@@ -149,7 +149,7 @@ order by
         }
         try
         {
-            var sq = new SelectQuery(sql);
+            var sq = SelectQuery.Parse(sql);
             var sb = new StringBuilder();
 
             fsql = string.Empty;

demo/CarbunqlWeb/Pages/Merge.razor

@@ -62,7 +62,7 @@ using Carbunql.Building;
 string table = ""destinations"";
 string[] keys = new[] { ""id"", ""sub_id"" };
 
-var sq = new SelectQuery(sql);
+var sq = SelectQuery.Parse(sql);
 var mq = sq.ToMergeQuery(table, keys);
 mq.AddMatchedUpdate();
 mq.AddNotMathcedInsertAsAutoNumber();
@@ -95,7 +95,7 @@ Console.WriteLine(mq.ToCommand().CommandText);";
 		try
 		{
 			var groupkeys = keys.Split(",").ToList().Select(x => x.Trim()).ToList();
-			var sq =new SelectQuery(sql);
+			var sq =SelectQuery.Parse(sql);
 			var mq = sq.ToMergeQuery(table, groupkeys);
 			mq.AddMatchedUpdate();
 			mq.AddNotMathcedInsertAsAutoNumber();

demo/CarbunqlWeb/Pages/PhysicalTableList.razor

@@ -51,7 +51,7 @@
 
 	string sourcecode = @"using Carbunql;
 
-var sq = new SelectQuery(sql);
+var sq = SelectQuery.Parse(sql);
 foreach (var item in sq.GetPhysicalTables())
 {
 	Console.WriteLine(item.ToText());
@@ -87,7 +87,7 @@ exists (select * from c where a.table_a_id = c.table_a_id)";
 		}
 		try
 		{
-			var sq = new SelectQuery(sql);
+			var sq = SelectQuery.Parse(sql);
 			var sb = new StringBuilder();
 
 			fsql = string.Empty;

demo/CarbunqlWeb/Pages/QuerySource/EnsureAny.razor

@@ -69,7 +69,7 @@
     string sourcecode = @"using Carbunql;
 using Carbunql.Building;
 
-var q = new SelectQuery(sql);
+var q = SelectQuery.Parse(sql);
 q.GetQuerySources()
     .Where(x => x.ColumnNames.Contains(columnName))
     .GetRootsBySource()
@@ -101,7 +101,7 @@ Console.WriteLine(q.ToText());";
         }
         try
         {
-            var q = new SelectQuery(sql);
+            var q = SelectQuery.Parse(sql);
             var sources = q.GetQuerySources().ToList();
 
             q.GetQuerySources()

demo/CarbunqlWeb/Pages/QuerySource/FilterColumn.razor

@@ -69,7 +69,7 @@
     string sourcecode = @"using Carbunql;
 using Carbunql.Building;
 
-var q = new SelectQuery(sql);
+var q = SelectQuery.Parse(sql);
 q.GetQuerySources()
     .Where(x => x.ColumnNames.Contains(columnName))
     .GetRootsBySource()
@@ -99,7 +99,7 @@ Console.WriteLine(q.ToText());";
         }
         try
         {
-            var q = new SelectQuery(sql);
+            var q = SelectQuery.Parse(sql);
             var sources = q.GetQuerySources().ToList();
 
             q.GetQuerySources()

demo/CarbunqlWeb/Pages/QuerySource/FilterTable.razor

@@ -73,7 +73,7 @@
     string sourcecode = @"using Carbunql;
 using Carbunql.Building;
 
-var q = new SelectQuery(sql);
+var q = SelectQuery.Parse(sql);
 q.GetQuerySources()
     .Where(x => x.GetTableFullName() == tableName && x.ColumnNames.Contains(columnName))
     .GetRootsBySource()
@@ -103,7 +103,7 @@ Console.WriteLine(q.ToText());";
         }
         try
         {
-            var q = new SelectQuery(sql);
+            var q = SelectQuery.Parse(sql);
             var sources = q.GetQuerySources().ToList();
 
             q.GetQuerySources()

demo/CarbunqlWeb/Pages/QuerySource/Labels.razor

@@ -50,7 +50,7 @@
 
     string sourcecode = @"using Carbunql;
 
-var q = new SelectQuery(sql);
+var q = SelectQuery.Parse(sql);
 var sources = q.GetQuerySources().ToList();
 
 q.GetQuerySources().ForEach(x =>
@@ -80,7 +80,7 @@ Console.WriteLine(q.ToText());";
         }
         try
         {
-            var q = new SelectQuery(sql);
+            var q = SelectQuery.Parse(sql);
             var sources = q.GetQuerySources().ToList();
 
             q.GetQuerySources().ForEach(x =>

demo/CarbunqlWeb/Pages/SelectableItemList.razor

@@ -50,7 +50,7 @@
 
     string sourcecode = @"using Carbunql;
 
-var sq = new SelectQuery(sql);
+var sq = SelectQuery.Parse(sql);
 foreach (var item in sq.SelectClause!)
 {
 	Console.WriteLine(item.ToCommand().CommandText);
@@ -82,7 +82,7 @@ from
         }
         try
         {
-            var sq = new SelectQuery(sql);
+            var sq = SelectQuery.Parse(sql);
             var sb = new StringBuilder();
 
             fsql = string.Empty;

demo/CarbunqlWeb/Pages/SelectableTableList.razor

@@ -50,7 +50,7 @@
 
     string sourcecode = @"using Carbunql;
 
-var sq = new SelectQuery(sql);
+var sq = SelectQuery.Parse(sql);
 foreach (var item in sq.GetSelectableTables())
 {
 	Console.WriteLine(item.ToCommand().CommandText);
@@ -86,7 +86,7 @@ exists (select * from c where a.table_a_id = c.table_a_id)";
         }
         try
         {
-            var sq = new SelectQuery(sql);
+            var sq = SelectQuery.Parse(sql);
             var sb = new StringBuilder();
 
             fsql = string.Empty;

demo/CarbunqlWeb/Pages/SubQuery.razor

@@ -37,7 +37,7 @@
         <RadzenTabsItem Text="Source">
 	        <RadzenText Style="font-family: 'Ricty Diminished', SFMono-Regular, Consolas, 'Courier New', 'BIZ UDGothic', Meiryo, monospace; font-size: 18px; white-space: pre;" ReadOnly="true" >using Carbunql;
 
-var sql = new SelectQuery("select id, val from table_a as a")
+var sql = SelectQuery.Parse("select id, val from table_a as a")
 	.ToSubQuery(alias)
 	.ToText();</RadzenText>
         </RadzenTabsItem>
@@ -109,7 +109,7 @@ ORDER BY
 		}
 		try
 		{
-			fsql = new SelectQuery(sql)
+			fsql = SelectQuery.Parse(sql)
 				.ToSubQuery(alias)
 				.ToText();
 		}

demo/CarbunqlWeb/Pages/TokenList.razor

@@ -50,7 +50,7 @@
 
 	string sourcecode = @"using Carbunql;
 
-var sq = new SelectQuery(sql);
+var sq = SelectQuery.Parse(sql);
 foreach (var item in sq.GetTokens())
 {
 	Console.WriteLine(item.Text);
@@ -82,7 +82,7 @@ from
 		}
 		try
 		{
-			var sq = new SelectQuery(sql);
+			var sq = SelectQuery.Parse(sql);
 			var sb = new StringBuilder();
 
 			fsql = string.Empty;

demo/CarbunqlWeb/Pages/Update.razor

@@ -63,7 +63,7 @@
 	string sourcecode = @"using Carbunql;
 using Carbunql.Building;
 
-var sq = new SelectQuery(""select id, val from table_a as a"");
+var sq = SelectQuery.Parse(""select id, val from table_a as a"");
 var q = sq.ToUpdateQuery(""destination"", new[] { ""id"" });
 Console.WriteLine(q.ToCommand().CommandText);";
 
@@ -92,7 +92,7 @@ Console.WriteLine(q.ToCommand().CommandText);";
 		try
 		{
 			var groupkeys = keys.Split(",").ToList().Select(x => x.Trim()).ToList();
-			var sq =new SelectQuery(sql);
+			var sq =SelectQuery.Parse(sql);
 			fsql = sq.ToUpdateQuery(table, groupkeys).ToCommand().CommandText;
 		}
 		catch (Exception ex)

demo/DynamicColumn/Program.cs

@@ -58,7 +58,7 @@ public static string GenerateCustomReportQuery(List<string> columns)
             """;
 
         // Convert the query to an object
-        var sq = new SelectQuery(sql);
+        var sq = SelectQuery.Parse(sql);
 
         // Restrict the selected columns
         sq.FilterInColumns(columns);

demo/DynamicFiltering/Program.cs

@@ -41,7 +41,7 @@ product as p
         var pname = ":category";
 
         // Convert the selection query to an object
-        var sq = new SelectQuery(sql)
+        var sq = SelectQuery.Parse(sql)
             .GreaterThanOrEqualIfNotNullOrEmpty("price", minPrice)
             .LessThanOrEqualIfNotNullOrEmpty("price", maxPrice)
             .AddParameter(pname, category)

demo/Filtering/Program.cs

@@ -1,6 +1,6 @@
 using Carbunql;
-using Carbunql.TypeSafe;
 using Carbunql.Building;
+using Carbunql.TypeSafe;
 
 internal class Program
 {

demo/Parse/Program.cs

@@ -83,7 +83,7 @@ order by
 ";
 }
 
-var sq = new SelectQuery(sql);
+var sq = SelectQuery.Parse(sql);
 Console.WriteLine("\n> Format:");
 Console.WriteLine(sq.ToText());
 Console.WriteLine("\n> Model:");