Move each value.

src/binder.rs

@@ -13,7 +13,7 @@ use crate::{
         UpdateStatementAST,
     },
     tuple::Tuple,
-    value::{BooleanValue, Value},
+    value::{boolean::BooleanValue, Value},
 };
 
 #[derive(Debug, PartialEq, Eq, Clone)]
@@ -586,7 +586,7 @@ mod tests {
         lexer::tokenize,
         parser::Parser,
         test_helpers::setup_test_database,
-        value::{IntegerValue, VarcharValue},
+        value::{integer::IntegerValue, varchar::VarcharValue},
     };
 
     use super::*;

src/catalog.rs

@@ -9,7 +9,10 @@ use crate::{
     lock::LockManager,
     page::table_page::TABLE_PAGE_PAGE_TYPE,
     table::TableHeap,
-    value::{UnsignedBigIntegerValue, UnsignedIntegerValue, Value, VarcharValue},
+    value::{
+        unsigned_big_integer::UnsignedBigIntegerValue, unsigned_integer::UnsignedIntegerValue,
+        varchar::VarcharValue, Value,
+    },
 };
 
 #[derive(Debug, PartialEq, Eq, Clone)]
@@ -402,7 +405,10 @@ mod tests {
         disk::DiskManager,
         lock::LockManager,
         table::TableHeap,
-        value::{UnsignedBigIntegerValue, UnsignedIntegerValue, Value, VarcharValue},
+        value::{
+            unsigned_big_integer::UnsignedBigIntegerValue, unsigned_integer::UnsignedIntegerValue,
+            varchar::VarcharValue, Value,
+        },
     };
 
     #[test]

src/executor.rs

@@ -179,7 +179,7 @@ mod tests {
         lexer::tokenize,
         parser::Parser,
         test_helpers::setup_test_database,
-        value::{BooleanValue, IntegerValue, Value, VarcharValue},
+        value::{boolean::BooleanValue, integer::IntegerValue, varchar::VarcharValue, Value},
     };
 
     fn execute(

src/executor/delete_executor.rs

@@ -5,7 +5,7 @@ use crate::{
     plan::DeletePlan,
     table::TableHeap,
     tuple::Tuple,
-    value::{UnsignedBigIntegerValue, Value},
+    value::{unsigned_big_integer::UnsignedBigIntegerValue, Value},
 };
 
 use super::{Executor, ExecutorContext};

src/executor/filter_executor.rs

@@ -3,7 +3,7 @@ use anyhow::Result;
 use crate::{
     plan::FilterPlan,
     tuple::Tuple,
-    value::{BooleanValue, Value},
+    value::{boolean::BooleanValue, Value},
 };
 
 use super::{Executor, ExecutorContext};

src/executor/insert_executor.rs

@@ -6,7 +6,7 @@ use crate::{
     plan::InsertPlan,
     table::TableHeap,
     tuple::Tuple,
-    value::{UnsignedBigIntegerValue, Value},
+    value::{unsigned_big_integer::UnsignedBigIntegerValue, Value},
 };
 
 use super::ExecutorContext;

src/executor/nested_loop_join_executor.rs

@@ -4,7 +4,7 @@ use crate::{
     common::INVALID_TRANSACTION_ID,
     plan::NestedLoopJoinPlan,
     tuple::Tuple,
-    value::{BooleanValue, Value},
+    value::{boolean::BooleanValue, Value},
 };
 
 use super::{Executor, ExecutorContext};

src/executor/update_executor.rs

@@ -5,7 +5,7 @@ use crate::{
     plan::UpdatePlan,
     table::TableHeap,
     tuple::Tuple,
-    value::{UnsignedBigIntegerValue, Value},
+    value::{unsigned_big_integer::UnsignedBigIntegerValue, Value},
 };
 
 use super::{Executor, ExecutorContext};

src/lexer.rs

@@ -4,8 +4,9 @@ use std::str::Chars;
 use anyhow::{anyhow, Result};
 
 use crate::value::{
-    BigIntegerValue, BooleanValue, IntegerValue, UnsignedBigIntegerValue, UnsignedIntegerValue,
-    Value, VarcharValue,
+    big_integer::BigIntegerValue, boolean::BooleanValue, integer::IntegerValue,
+    unsigned_big_integer::UnsignedBigIntegerValue, unsigned_integer::UnsignedIntegerValue,
+    varchar::VarcharValue, Value,
 };
 
 #[derive(Debug, PartialEq, Eq, Hash, Clone)]

src/parser.rs

@@ -3,7 +3,7 @@ use anyhow::{anyhow, Result};
 use crate::{
     catalog::DataType,
     lexer::{Keyword, Token},
-    value::{IntegerValue, Value},
+    value::{integer::IntegerValue, Value},
 };
 
 #[derive(Debug, PartialEq, Eq, Clone)]
@@ -727,7 +727,7 @@ impl Parser {
 mod tests {
     use crate::{
         lexer::tokenize,
-        value::{BooleanValue, IntegerValue, VarcharValue},
+        value::{boolean::BooleanValue, varchar::VarcharValue},
     };
 
     use anyhow::Result;

src/plan.rs

@@ -283,7 +283,7 @@ mod tests {
         lexer::tokenize,
         parser::{BinaryOperator, Parser},
         test_helpers::setup_test_database,
-        value::{IntegerValue, Value},
+        value::{integer::IntegerValue, Value},
     };
 
     use super::*;

src/tuple.rs

@@ -113,7 +113,7 @@ mod tests {
     use super::*;
     use crate::{
         catalog::{Column, DataType},
-        value::{IntegerValue, VarcharValue},
+        value::{integer::IntegerValue, varchar::VarcharValue},
     };
 
     #[test]