diff --git a/python/lsst/consdb/hinfo.py b/python/lsst/consdb/hinfo.py
index 1a190abe..19541a6a 100644
--- a/python/lsst/consdb/hinfo.py
+++ b/python/lsst/consdb/hinfo.py
@@ -280,7 +280,7 @@ def process_column(column_def: str | Sequence, info: dict) -> Any:
             return fn(*arg_values)
 
 
-def process_resource(resource: ResourcePath) -> None:
+def process_resource(resource: ResourcePath, update: bool = False) -> None:
     """Process a header resource.
 
     Uses configured mappings and the ObservationInfo translator to generate
@@ -292,7 +292,7 @@ def process_resource(resource: ResourcePath) -> None:
         Path to the Header Service header resource.
     """
     global KW_MAPPING, OI_MAPPING, instrument_mapping, det_mapping, translator
-    global engine, exposure_table
+    global engine, exposure_table, ccdexposure_table
 
     exposure_rec = dict()
 
@@ -312,8 +312,12 @@ def process_resource(resource: ResourcePath) -> None:
     for field, keyword in OI_MAPPING.items():
         exposure_rec[field] = process_column(keyword, obs_info)
 
-    logging.debug(f"Inserting {exposure_rec}")
-    stmt = insert(exposure_table).values(exposure_rec).on_conflict_do_nothing()
+    stmt = insert(exposure_table).values(exposure_rec)
+    if update:
+        stmt = stmt.on_conflict_do_update(index_elements=["exposure_id"], set_=exposure_rec)
+    else:
+        stmt = stmt.on_conflict_do_nothing()
+    logging.debug(str(stmt))
     with engine.begin() as conn:
         conn.execute(stmt)
 
@@ -326,11 +330,20 @@ def process_resource(resource: ResourcePath) -> None:
         det_info["detector"] = camera[ccdname].getId()
         for header in content[detector]:
             det_info[header["keyword"]] = header["value"]
-        for field, keyword in det_mapping.items():
-            det_exposure_rec[field] = process_column(keyword, det_info)
+        for column, column_def in det_mapping.items():
+            det_exposure_rec[column] = process_column(column_def, det_info)
+
+    stmt = insert(ccdexposure_table).values(det_exposure_rec)
+    if update:
+        stmt = stmt.on_conflict_do_update(index_elements=["ccdexposure_id"], set_=det_exposure_rec)
+    else:
+        stmt = stmt.on_conflict_do_nothing()
+    logging.debug(str(stmt))
+    with engine.begin() as conn:
+        conn.execute(stmt)
 
 
-def process_date(day_obs: str) -> None:
+def process_date(day_obs: str, update: bool = False) -> None:
     """Process all headers from a given observation day (as YYYY-MM-DD).
 
     Parameters
@@ -344,7 +357,7 @@ def process_date(day_obs: str) -> None:
     d = ResourcePath(f"s3://{bucket_prefix}rubinobs-lfa-cp/{TOPIC_MAPPING[instrument]}/header/{date}/")
     for dirpath, dirnames, filenames in d.walk():
         for fname in filenames:
-            process_resource(d.join(fname))
+            process_resource(d.join(fname), update)
 
 
 ##################
@@ -412,6 +425,7 @@ def get_kafka_config() -> KafkaConfig:
 engine = setup_postgres()
 metadata_obj = MetaData(schema=f"cdb_{instrument.lower()}")
 exposure_table = Table("exposure", metadata_obj, autoload_with=engine)
+ccdexposure_table = Table("ccdexposure", metadata_obj, autoload_with=engine)
 
 
 bucket_prefix = os.environ.get("BUCKET_PREFIX", "")