Added "Subtract" to PhraseHelper

dg.Sql/Sql/Phrases/Math/Subtract.cs

@@ -0,0 +1,122 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using dg.Sql.Connector;
+
+namespace dg.Sql.Phrases
+{
+    public class Subtract : IPhrase
+    {
+        public ValueWrapper Value1;
+        public ValueWrapper Value2;
+
+        #region Constructors
+
+        public Subtract(
+            string tableName1, string columnName1,
+            string tableName2, string columnName2)
+        {
+            this.Value1 = new ValueWrapper(tableName1, columnName1);
+            this.Value2 = new ValueWrapper(tableName2, columnName2);
+        }
+
+        public Subtract(
+            string tableName1, string columnName1,
+            object value2, ValueObjectType valueType2)
+        {
+            this.Value1 = new ValueWrapper(tableName1, columnName1);
+            this.Value2 = new ValueWrapper(value2, valueType2);
+        }
+
+        public Subtract(
+            object value1, ValueObjectType valueType1,
+            string tableName2, string columnName2)
+        {
+            this.Value1 = new ValueWrapper(value1, valueType1);
+            this.Value2 = new ValueWrapper(tableName2, columnName2);
+        }
+
+        public Subtract(
+            object value1, ValueObjectType valueType1,
+            object value2, ValueObjectType valueType2)
+        {
+            this.Value1 = new ValueWrapper(value1, valueType1);
+            this.Value2 = new ValueWrapper(value2, valueType2);
+        }
+
+        public Subtract(string tableName1, string columnName1, Int32 value2)
+        {
+            this.Value1 = new ValueWrapper(tableName1, columnName1);
+            this.Value2 = new ValueWrapper(value2, ValueObjectType.Value);
+        }
+
+        public Subtract(string tableName1, string columnName1, Int64 value2)
+        {
+            this.Value1 = new ValueWrapper(tableName1, columnName1);
+            this.Value2 = new ValueWrapper(value2, ValueObjectType.Value);
+        }
+
+        public Subtract(string tableName1, string columnName1, decimal value2)
+        {
+            this.Value1 = new ValueWrapper(tableName1, columnName1);
+            this.Value2 = new ValueWrapper(value2, ValueObjectType.Value);
+        }
+
+        public Subtract(string tableName1, string columnName1, double value2)
+        {
+            this.Value1 = new ValueWrapper(tableName1, columnName1);
+            this.Value2 = new ValueWrapper(value2, ValueObjectType.Value);
+        }
+
+        public Subtract(string tableName1, string columnName1, float value2)
+        {
+            this.Value1 = new ValueWrapper(tableName1, columnName1);
+            this.Value2 = new ValueWrapper(value2, ValueObjectType.Value);
+        }
+
+        public Subtract(string columnName1, Int32 value2)
+        {
+            this.Value1 = new ValueWrapper(columnName1);
+            this.Value2 = new ValueWrapper(value2, ValueObjectType.Value);
+        }
+
+        public Subtract(string columnName1, Int64 value2)
+        {
+            this.Value1 = new ValueWrapper(columnName1);
+            this.Value2 = new ValueWrapper(value2, ValueObjectType.Value);
+        }
+
+        public Subtract(string columnName1, decimal value2)
+        {
+            this.Value1 = new ValueWrapper(columnName1);
+            this.Value2 = new ValueWrapper(value2, ValueObjectType.Value);
+        }
+
+        public Subtract(string columnName1, double value2)
+        {
+            this.Value1 = new ValueWrapper(columnName1);
+            this.Value2 = new ValueWrapper(value2, ValueObjectType.Value);
+        }
+
+        public Subtract(string columnName1, float value2)
+        {
+            this.Value1 = new ValueWrapper(columnName1);
+            this.Value2 = new ValueWrapper(value2, ValueObjectType.Value);
+        }
+
+        #endregion
+
+        public string BuildPhrase(ConnectorBase conn, Query relatedQuery = null)
+        {
+            string ret = @"";
+
+            ret += Value1.Build(conn, relatedQuery);
+
+            ret += @"-";
+
+            ret += Value2.Build(conn, relatedQuery);
+
+            return ret;
+        }
+    }
+}