Added the database datatype.

src/morethantext/mod.rs

@@ -136,18 +136,37 @@ mod stores {
     }
 }
 
+#[derive(Clone, Debug)]
+struct Database;
+
+#[cfg(test)]
+mod databases {
+    use super::*;
+
+    #[test]
+    fn create() {
+        Database::new();
+    }
+}
+
+impl Database {
+    fn new() -> Self {
+        Self {}
+    }
+}
+
 #[derive(Clone, Debug)]
 enum DataType {
     DBMap(Store),
+    TableMap(Database),
 }
 
 impl DataType {
-    fn new(dtype: &str) -> Result<DataType, MTTError> {
+    fn new(dtype: &str) -> DataType {
         match dtype {
-            "store" => Ok(Self::DBMap(Store::new())),
-            _ => Err(MTTError::from_code(ErrorCode::IncorrectDataType(
-                dtype.to_string(),
-            ))),
+            "store" => Self::DBMap(Store::new()),
+            "database" => Self::TableMap(Database::new()),
+            _ => unreachable!(),
         }
     }
 }
@@ -157,24 +176,19 @@ mod datatypes {
     use super::*;
 
     #[test]
-    fn error_on_bad_datatype() {
-        let items = ["sdgthsth", "jfjty"];
-        for item in items {
-            match DataType::new(item) {
-                Ok(_) => assert!(false, "bad data types should return an error"),
-                Err(err) => match err.code {
-                    ErrorCode::IncorrectDataType(dtype) => assert_eq!(dtype, item),
-                    _ => assert!(false, "{:?} is not incorrect data type", err.code),
-                },
-            }
+    fn create_store() {
+        let dtype = DataType::new("store");
+        match dtype {
+            DataType::DBMap(_) => (),
+            _ => assert!(false, "{:?} is not incorrect data type", dtype),
         }
     }
 
     #[test]
-    fn create_store() {
-        let dtype = DataType::new("store").unwrap();
+    fn create_database() {
+        let dtype = DataType::new("database");
         match dtype {
-            DataType::DBMap(_) => (),
+            DataType::TableMap(_) => (),
             _ => assert!(false, "{:?} is not incorrect data type", dtype),
         }
     }
@@ -241,7 +255,7 @@ impl Cache {
                     for id in data.ids {
                         if id == ENTRY {
                             let mut holder = HashMap::new();
-                            holder.insert(ENTRY.to_string(), DataType::new("store").unwrap());
+                            holder.insert(ENTRY.to_string(), DataType::new("store"));
                             data.reply.send(FromCache::Data(holder)).await.unwrap();
                         } else {
                             data.reply