Add support for PgSql text[]

Author: mythz

src/ServiceStack.OrmLite.PostgreSQL.Tests/PostgreSqlJsonTests.cs

@@ -1,4 +1,5 @@
-using NUnit.Framework;
+using System;
+using NUnit.Framework;
 using ServiceStack.DataAnnotations;
 using ServiceStack.OrmLite.Tests;
 using ServiceStack.Text;
@@ -24,6 +25,18 @@ public class SubType
         public string Name { get; set; }
     }
 
+    public class PgsqlData
+    {
+        [PrimaryKey]
+        public Guid Id { get; set; }
+
+        [PgSqlIntArray]
+        public int[] Ints { get; set; }
+
+        [PgSqlTextArray]
+        public string[] Strings { get; set; }
+    }
+
 
     [TestFixture]
     public class PostgreSqlJsonTests : OrmLiteTestBase
@@ -65,5 +78,27 @@ public void Can_save_complex_types_as_JSON()
                 Assert.That(result[0].ComplexTypeJson.SubType.Name, Is.EqualTo("SubType2"));
             }
         }
+
+        [Test]
+        public void Does_save_PgSqlData()
+        {
+            using (var db = OpenDbConnection())
+            {
+                db.DropAndCreateTable<PgsqlData>();
+
+                var data = new PgsqlData
+                {
+                    Id = Guid.NewGuid(),
+                    Ints = new[] { 2, 4, 1 },
+                    Strings = new[] { "test string 1", "test string 2" }
+                };
+
+                db.Save(data);
+
+                var row = db.Select<PgsqlData>()[0];
+                Assert.That(row.Ints.EquivalentTo(data.Ints));
+                Assert.That(row.Strings.EquivalentTo(data.Strings));
+            }
+        }
     }
 }

src/ServiceStack.OrmLite.PostgreSQL/Converters/PostgreSqlArrayConverters.cs

@@ -19,14 +19,24 @@ public override string ToQuotedString(Type fieldType, object value)
         }
     }
 
-    //public class PostgreSqlStringArrayConverter : PostgreSqlStringConverter
-    //{
-    //    public override string ToQuotedString(Type fieldType, object value)
-    //    {
-    //        var stringArray = (string[])value;
-    //        return this.ToArray(stringArray);
-    //    }
-    //}
+    public class PostgreSqlStringArrayConverter : ReferenceTypeConverter
+    {
+        public override string ColumnDefinition
+        {
+            get { return "text[]"; }
+        }
+
+        public override string ToQuotedString(Type fieldType, object value)
+        {
+            var stringArray = (string[])value;
+            return this.ToArray(stringArray);
+        }
+
+        public override object FromDbValue(Type fieldType, object value)
+        {
+            return value;
+        }
+    }
 
     public class PostgreSqlIntArrayConverter : NativeValueOrmLiteConverter
     {

src/ServiceStack.OrmLite.PostgreSQL/PostgreSQLDialectProvider.cs

@@ -52,7 +52,7 @@ public PostgreSqlDialectProvider()
             RegisterConverter<byte[]>(new PostrgreSqlByteArrayConverter());
 
             //TODO provide support for pgsql native datastructures:
-            //RegisterConverter<string[]>(new PostgreSqlStringArrayConverter());
+            RegisterConverter<string[]>(new PostgreSqlStringArrayConverter());
             RegisterConverter<int[]>(new PostgreSqlIntArrayConverter());
             RegisterConverter<long[]>(new PostgreSqlLongArrayConverter());