Merge branch 'main' into 'validation-tests'

# Conflicts:
#   minisql/src/schema.rs

minisql/src/interpreter.rs

@@ -4,6 +4,7 @@ use crate::internals::table::Table;
 use crate::operation::{Operation, Condition};
 use crate::result::DbResult;
 use bimap::BiMap;
+use serde::{Deserialize, Serialize};
 use crate::restricted_row::RestrictedRow;
 
 // Use `TablePosition` as index
@@ -11,7 +12,7 @@ pub type Tables = Vec<Table>;
 pub type TablePosition = usize;
 
 // ==============Interpreter================
-#[derive(Debug)]
+#[derive(Debug, Serialize, Deserialize)]
 pub struct State {
     table_name_position_mapping: BiMap<TableName, TablePosition>,
     tables: Tables,