diff --git a/cozo-core/src/data/expr.rs b/cozo-core/src/data/expr.rs
index 03a8dd45..5316f2a0 100644
--- a/cozo-core/src/data/expr.rs
+++ b/cozo-core/src/data/expr.rs
@@ -25,7 +25,7 @@ use crate::parse::expr::expr2bytecode;
 use crate::parse::SourceSpan;
 
 #[derive(Clone, PartialEq, Eq, serde_derive::Serialize, serde_derive::Deserialize, Debug)]
-pub enum ExprByteCode {
+pub enum Bytecode {
     /// push 1
     Binding {
         var: Symbol,
@@ -69,8 +69,8 @@ struct UnboundVariableError(String, #[label] SourceSpan);
 #[diagnostic(code(eval::tuple_too_short))]
 struct TupleTooShortError(String, usize, usize, #[label] SourceSpan);
 
-pub(crate) fn eval_bytecode_pred(
-    bytecodes: &[ExprByteCode],
+pub fn eval_bytecode_pred(
+    bytecodes: &[Bytecode],
     bindings: impl AsRef<[DataValue]>,
     stack: &mut Vec<DataValue>,
     span: SourceSpan,
@@ -81,8 +81,8 @@ pub(crate) fn eval_bytecode_pred(
     }
 }
 
-pub(crate) fn eval_bytecode(
-    bytecodes: &[ExprByteCode],
+pub fn eval_bytecode(
+    bytecodes: &[Bytecode],
     bindings: impl AsRef<[DataValue]>,
     stack: &mut Vec<DataValue>,
 ) -> Result<DataValue> {
@@ -94,7 +94,7 @@ pub(crate) fn eval_bytecode(
         }
         let current_instruction = &bytecodes[pointer];
         match current_instruction {
-            ExprByteCode::Binding { var, tuple_pos, .. } => match tuple_pos {
+            Bytecode::Binding { var, tuple_pos, .. } => match tuple_pos {
                 None => {
                     bail!(UnboundVariableError(var.name.to_string(), var.span))
                 }
@@ -115,11 +115,11 @@ pub(crate) fn eval_bytecode(
                     pointer += 1;
                 }
             },
-            ExprByteCode::Const { val, .. } => {
+            Bytecode::Const { val, .. } => {
                 stack.push(val.clone());
                 pointer += 1;
             }
-            ExprByteCode::Apply { op, arity, span } => {
+            Bytecode::Apply { op, arity, span } => {
                 let frame_start = stack.len() - *arity;
                 let args_frame = &stack[frame_start..];
                 let result = (op.inner)(args_frame)
@@ -128,7 +128,7 @@ pub(crate) fn eval_bytecode(
                 stack.push(result);
                 pointer += 1;
             }
-            ExprByteCode::JumpIfFalse { jump_to, span } => {
+            Bytecode::JumpIfFalse { jump_to, span } => {
                 let val = stack.pop().unwrap();
                 let cond = val
                     .get_bool()
@@ -139,7 +139,7 @@ pub(crate) fn eval_bytecode(
                     pointer = *jump_to;
                 }
             }
-            ExprByteCode::Goto { jump_to, .. } => {
+            Bytecode::Goto { jump_to, .. } => {
                 pointer = *jump_to;
             }
         }
@@ -228,7 +228,7 @@ struct BadEntityId(DataValue, #[label] SourceSpan);
 struct EvalRaisedError(#[label] SourceSpan, #[help] String);
 
 impl Expr {
-    pub(crate) fn compile(&self) -> Vec<ExprByteCode> {
+    pub(crate) fn compile(&self) -> Vec<Bytecode> {
         let mut collector = vec![];
         expr2bytecode(self, &mut collector);
         collector
diff --git a/cozo-core/src/parse/expr.rs b/cozo-core/src/parse/expr.rs
index bb040f2b..867e6646 100644
--- a/cozo-core/src/parse/expr.rs
+++ b/cozo-core/src/parse/expr.rs
@@ -15,7 +15,7 @@ use pest::pratt_parser::{Op, PrattParser};
 use smartstring::{LazyCompact, SmartString};
 use thiserror::Error;
 
-use crate::data::expr::{get_op, Expr, ExprByteCode};
+use crate::data::expr::{get_op, Expr, Bytecode};
 use crate::data::functions::{
     OP_ADD, OP_AND, OP_COALESCE, OP_CONCAT, OP_DIV, OP_EQ, OP_GE, OP_GT, OP_LE, OP_LIST, OP_LT,
     OP_MINUS, OP_MOD, OP_MUL, OP_NEGATE, OP_NEQ, OP_OR, OP_POW, OP_SUB,
@@ -53,16 +53,16 @@ lazy_static! {
 #[diagnostic(code(parser::invalid_expression))]
 pub(crate) struct InvalidExpression(#[label] pub(crate) SourceSpan);
 
-pub(crate) fn expr2bytecode(expr: &Expr, collector: &mut Vec<ExprByteCode>) {
+pub(crate) fn expr2bytecode(expr: &Expr, collector: &mut Vec<Bytecode>) {
     match expr {
-        Expr::Binding { var, tuple_pos } => collector.push(ExprByteCode::Binding { var: var.clone(), tuple_pos: *tuple_pos }),
-        Expr::Const { val, span } => collector.push(ExprByteCode::Const { val: val.clone(), span: *span }),
+        Expr::Binding { var, tuple_pos } => collector.push(Bytecode::Binding { var: var.clone(), tuple_pos: *tuple_pos }),
+        Expr::Const { val, span } => collector.push(Bytecode::Const { val: val.clone(), span: *span }),
         Expr::Apply { op, args, span } => {
             let arity = args.len();
             for arg in args.iter() {
                 expr2bytecode(arg, collector);
             }
-            collector.push(ExprByteCode::Apply { op, arity, span: *span })
+            collector.push(Bytecode::Apply { op, arity, span: *span })
         }
         Expr::Cond { clauses, span } => {
             let mut return_jump_pos = vec![];
@@ -70,19 +70,19 @@ pub(crate) fn expr2bytecode(expr: &Expr, collector: &mut Vec<ExprByteCode>) {
                 // +1
                 expr2bytecode(cond, collector);
                 // -1
-                collector.push(ExprByteCode::JumpIfFalse { jump_to: 0, span: *span });
+                collector.push(Bytecode::JumpIfFalse { jump_to: 0, span: *span });
                 let false_jump_amend_pos = collector.len();
                 // +1 in this branch
                 expr2bytecode(val, collector);
-                collector.push(ExprByteCode::Goto { jump_to: 0, span: *span });
+                collector.push(Bytecode::Goto { jump_to: 0, span: *span });
                 return_jump_pos.push(collector.len());
-                collector[false_jump_amend_pos] = ExprByteCode::JumpIfFalse {
+                collector[false_jump_amend_pos] = Bytecode::JumpIfFalse {
                     jump_to: collector.len() + 1,
                     span: *span,
                 };
             }
             for pos in return_jump_pos {
-                collector[pos] = ExprByteCode::Goto { jump_to: pos, span: *span }
+                collector[pos] = Bytecode::Goto { jump_to: pos, span: *span }
             }
         }
     }
diff --git a/cozo-core/src/query/ra.rs b/cozo-core/src/query/ra.rs
index 75318096..fd6fff94 100644
--- a/cozo-core/src/query/ra.rs
+++ b/cozo-core/src/query/ra.rs
@@ -16,7 +16,7 @@ use log::{debug, error};
 use miette::{bail, Diagnostic, Result};
 use thiserror::Error;
 
-use crate::data::expr::{compute_bounds, eval_bytecode, eval_bytecode_pred, Expr, ExprByteCode};
+use crate::data::expr::{compute_bounds, eval_bytecode, eval_bytecode_pred, Expr, Bytecode};
 use crate::data::program::MagicSymbol;
 use crate::data::relation::{ColType, NullableColType};
 use crate::data::symb::Symbol;
@@ -60,7 +60,7 @@ pub(crate) struct UnificationRA {
     pub(crate) parent: Box<RelAlgebra>,
     pub(crate) binding: Symbol,
     pub(crate) expr: Expr,
-    pub(crate) expr_bytecode: Vec<ExprByteCode>,
+    pub(crate) expr_bytecode: Vec<Bytecode>,
     pub(crate) is_multi: bool,
     pub(crate) to_eliminate: BTreeSet<Symbol>,
     pub(crate) span: SourceSpan,
@@ -172,7 +172,7 @@ impl UnificationRA {
 pub(crate) struct FilteredRA {
     pub(crate) parent: Box<RelAlgebra>,
     pub(crate) filters: Vec<Expr>,
-    pub(crate) filters_bytecodes: Vec<(Vec<ExprByteCode>, SourceSpan)>,
+    pub(crate) filters_bytecodes: Vec<(Vec<Bytecode>, SourceSpan)>,
     pub(crate) to_eliminate: BTreeSet<Symbol>,
     pub(crate) span: SourceSpan,
 }
@@ -778,7 +778,7 @@ fn invert_option_err<T>(v: Result<Option<T>>) -> Option<Result<T>> {
 }
 
 fn filter_iter(
-    filters_bytecodes: Vec<(Vec<ExprByteCode>, SourceSpan)>,
+    filters_bytecodes: Vec<(Vec<Bytecode>, SourceSpan)>,
     it: impl Iterator<Item = Result<Tuple>>,
 ) -> impl Iterator<Item = Result<Tuple>> {
     let mut stack = vec![];
@@ -817,7 +817,7 @@ pub(crate) struct StoredRA {
     pub(crate) bindings: Vec<Symbol>,
     pub(crate) storage: RelationHandle,
     pub(crate) filters: Vec<Expr>,
-    pub(crate) filters_bytecodes: Vec<(Vec<ExprByteCode>, SourceSpan)>,
+    pub(crate) filters_bytecodes: Vec<(Vec<Bytecode>, SourceSpan)>,
     pub(crate) span: SourceSpan,
 }
 
@@ -826,7 +826,7 @@ pub(crate) struct StoredWithValidityRA {
     pub(crate) bindings: Vec<Symbol>,
     pub(crate) storage: RelationHandle,
     pub(crate) filters: Vec<Expr>,
-    pub(crate) filters_bytecodes: Vec<(Vec<ExprByteCode>, SourceSpan)>,
+    pub(crate) filters_bytecodes: Vec<(Vec<Bytecode>, SourceSpan)>,
     pub(crate) valid_at: ValidityTs,
     pub(crate) span: SourceSpan,
 }
@@ -1247,7 +1247,7 @@ pub(crate) struct TempStoreRA {
     pub(crate) bindings: Vec<Symbol>,
     pub(crate) storage_key: MagicSymbol,
     pub(crate) filters: Vec<Expr>,
-    pub(crate) filters_bytecodes: Vec<(Vec<ExprByteCode>, SourceSpan)>,
+    pub(crate) filters_bytecodes: Vec<(Vec<Bytecode>, SourceSpan)>,
     pub(crate) span: SourceSpan,
 }