add metadata sanitisation for map_merge

VarinThakur01 · VarinThakur01 · commit eeb991e5ec33 · 2026-03-30T11:40:30.000Z
diff --git a/langchain_hana/vectorstores/hana_db.py b/langchain_hana/vectorstores/hana_db.py
@@ -757,11 +757,12 @@ def _add_texts_with_map_merge_using_internal_embedding(
             metadata, extracted_special_metadata = self._split_off_special_metadata(
                 metadata
             )
+            _sanitize_metadata_keys(list(metadata.keys()))
             sql_params.append(
                 (
                     text,
                     json.dumps(
-                    HanaDB._sanitize_metadata_keys(metadata)
+                        metadata
                     ),
                     embeddings[i],
                     *extracted_special_metadata

Original file line number	Diff line number	Diff line change
`@@ -757,11 +757,12 @@ def _add_texts_with_map_merge_using_internal_embedding(`
`757`	`757`	`metadata, extracted_special_metadata = self._split_off_special_metadata(`
`758`	`758`	`metadata`
`759`	`759`	`)`
	`760`	`+ _sanitize_metadata_keys(list(metadata.keys()))`
`760`	`761`	`sql_params.append(`
`761`	`762`	`(`
`762`	`763`	`text,`
`763`	`764`	`json.dumps(`
`764`		`- HanaDB._sanitize_metadata_keys(metadata)`
	`765`	`+ metadata`
`765`	`766`	`),`
`766`	`767`	`embeddings[i],`
`767`	`768`	`*extracted_special_metadata`