added marr.datamapper source code for easy debugging.

Marr.Data/QGen/InsertQuery.cs

@@ -0,0 +1,70 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Marr.Data.Mapping;
+using System.Data.Common;
+using Marr.Data.QGen.Dialects;
+
+namespace Marr.Data.QGen
+{
+    /// <summary>
+    /// This class creates an insert query.
+    /// </summary>
+    public class InsertQuery : IQuery
+    {
+        protected Dialect Dialect { get; set; }
+        protected string Target { get; set; }
+        protected ColumnMapCollection Columns { get; set; }
+        protected DbCommand Command { get; set; }
+
+        public InsertQuery(Dialect dialect, ColumnMapCollection columns, DbCommand command, string target)
+        {
+            if (string.IsNullOrEmpty(target))
+            {
+                throw new DataMappingException("A target table must be passed in or set in a TableAttribute.");
+            }
+            Dialect = dialect;
+            Target = target;
+            Columns = columns;
+            Command = command;
+        }
+
+        public virtual string Generate()
+        {
+            StringBuilder sql = new StringBuilder();
+            StringBuilder values = new StringBuilder(") VALUES (");
+
+            sql.AppendFormat("INSERT INTO {0} (", Dialect.CreateToken(Target));
+
+            int sqlStartIndex = sql.Length;
+            int valuesStartIndex = values.Length;
+
+            foreach (DbParameter p in Command.Parameters)
+            {
+                var c = Columns.GetByColumnName(p.ParameterName);
+
+                if (c == null)
+                    break; // All insert columns have been added
+
+                if (sql.Length > sqlStartIndex)
+                    sql.Append(",");
+
+                if (values.Length > valuesStartIndex)
+                    values.Append(",");
+
+                if (!c.ColumnInfo.IsAutoIncrement)
+                {
+                    sql.AppendFormat(Dialect.CreateToken(c.ColumnInfo.Name));
+                    values.AppendFormat("{0}{1}", Command.ParameterPrefix(), p.ParameterName);
+                }
+            }
+
+            values.Append(")");
+
+            sql.Append(values);
+
+            return sql.ToString();
+        }
+    }
+}