Handle text arrays in postgresql.

Author: jeffgabhart

src/ServiceStack.OrmLite.PostgreSQL/PostgreSQLDialectProvider.cs

@@ -334,6 +334,12 @@ public override void SetParameter(FieldDefinition fieldDef, IDbDataParameter p)
                 ((NpgsqlParameter) p).NpgsqlDbType = NpgsqlDbType.Json;
                 return;
             }
+            if (fieldDef.CustomFieldDefinition == "text[]")
+            {
+                p.ParameterName = this.GetParam(SanitizeFieldNameForParamName(fieldDef.FieldName));
+                ((NpgsqlParameter)p).NpgsqlDbType = NpgsqlDbType.Array | NpgsqlDbType.Text;
+                return;
+            }
             if (fieldDef.CustomFieldDefinition == "integer[]")
             {
                 p.ParameterName = this.GetParam(SanitizeFieldNameForParamName(fieldDef.FieldName));
@@ -350,6 +356,10 @@ public override void SetParameter(FieldDefinition fieldDef, IDbDataParameter p)
         }
         protected override object GetValue<T>(FieldDefinition fieldDef, object obj)
         {
+            if (fieldDef.CustomFieldDefinition == "text[]")
+            {
+                return fieldDef.GetValue(obj);
+            }
             if (fieldDef.CustomFieldDefinition == "integer[]")
             {
                 return fieldDef.GetValue(obj);