add files

squirrel-server/src/table/datatypes.rs

@@ -0,0 +1,31 @@
+pub enum Datatype {
+    Integer,
+    CharacterVarying,
+}
+
+impl Datatype {
+    pub fn as_str(&self) -> &'static str {
+        match self {
+            Datatype::CharacterVarying => "varchar",
+            Datatype::Integer => "integer"
+        }
+    }
+
+    pub fn has_len(&self) -> bool {
+        match self {
+            Datatype::CharacterVarying => true,
+            Datatype::Integer => false
+        }
+    }
+
+    pub fn from_str(string: &str) -> Result<Datatype, String> {
+        match string {
+            "varchar" => return Ok(Datatype::CharacterVarying),
+            "character varying" => return Ok(Datatype::CharacterVarying),
+            "integer" => return Ok(Datatype::Integer),
+            "int" => return Ok(Datatype::Integer),
+            "int4" => return Ok(Datatype::Integer),
+            _ => {return Err(String::from("Undefined data type"))}
+        }
+    }
+}

squirrel-server/src/table/mod.rs

@@ -0,0 +1,2 @@
+pub mod table;
+pub mod datatypes;

squirrel-server/src/table/table.rs

@@ -0,0 +1,12 @@
+use crate::Datatype;
+
+pub struct Column {
+    pub name: String,
+    pub data_type: Datatype,
+    pub length: u16 // used for char(n), varchar(n)
+}
+
+pub struct TableDefinition {
+    pub name: String,
+    pub column_defs: Vec<Column>,
+}