EXPLAIN should show a comment for the Insert opcode

core/translate/emitter.rs

@@ -788,6 +788,7 @@ fn emit_update_insns(
             key_reg: beg,
             record_reg,
             flag: 0,
+            table_name: table_ref.identifier.clone(),
         });
     } else if let Some(vtab) = table_ref.virtual_table() {
         let arg_count = table_ref.columns().len() + 2;

core/translate/insert.rs

@@ -387,6 +387,7 @@ pub fn translate_insert(
         key_reg: rowid_reg,
         record_reg: record_register,
         flag: 0,
+        table_name: table_name.to_string(),
     });
 
     if inserting_multiple_rows {

core/translate/schema.rs

@@ -229,6 +229,7 @@ pub fn emit_schema_entry(
         key_reg: rowid_reg,
         record_reg,
         flag: 0,
+        table_name: tbl_name.to_string(),
     });
 }
 

core/vdbe/execute.rs

@@ -3699,6 +3699,7 @@ pub fn op_insert(
         key_reg,
         record_reg,
         flag: _,
+        table_name: _,
     } = insn
     else {
         unreachable!("unexpected Insn {:?}", insn)

core/vdbe/explain.rs

@@ -1014,14 +1014,15 @@ pub fn insn_to_str(
                 key_reg,
                 record_reg,
                 flag,
+                table_name,
             } => (
                 "Insert",
                 *cursor as i32,
                 *record_reg as i32,
                 *key_reg as i32,
-                OwnedValue::build_text(""),
+                OwnedValue::build_text(&table_name),
                 *flag as u16,
-                "".to_string(),
+                format!("intkey=r[{}] data=r[{}]", key_reg, record_reg),
             ),
             Insn::Delete { cursor_id } => (
                 "Delete",

core/vdbe/insn.rs

@@ -644,6 +644,7 @@ pub enum Insn {
         key_reg: usize,    // Must be int.
         record_reg: usize, // Blob of record data.
         flag: usize,       // Flags used by insert, for now not used.
+        table_name: String,
     },
 
     Delete {