Kdbai version compatible

llama-index-integrations/vector_stores/llama-index-vector-stores-kdbai/llama_index/vector_stores/kdbai/base.py

@@ -16,7 +16,12 @@
     VectorStoreQuery,
     VectorStoreQueryResult,
 )
-from llama_index.vector_stores.kdbai.utils import default_sparse_encoder
+from llama_index.vector_stores.kdbai.utils import (
+    default_sparse_encoder_v1,
+    convert_metadata_col_v1,
+    default_sparse_encoder_v2,
+    convert_metadata_col_v2,
+)
 
 DEFAULT_COLUMN_NAMES = ["document_id", "text", "embedding"]
 
@@ -27,24 +32,6 @@
 logger = logging.getLogger(__name__)
 
 
-# MATCH THE METADATA COLUMN DATA TYPE TO ITS PYTYPE
-def convert_metadata_col(column, value):
-    try:
-        if column["pytype"] == "str":
-            return str(value)
-        elif column["pytype"] == "bytes":
-            return value.encode("utf-8")
-        elif column["pytype"] == "datetime64[ns]":
-            return pd.to_datetime(value)
-        elif column["pytype"] == "timedelta64[ns]":
-            return pd.to_timedelta(value)
-        return value.astype(column["pytype"])
-    except Exception as e:
-        logger.error(
-            f"Failed to convert column {column['name']} to type {column['pytype']}: {e}"
-        )
-
-
 class KDBAIVectorStore(BasePydanticVectorStore):
     """The KDBAI Vector Store.
 
@@ -97,7 +84,10 @@ def __init__(
 
         if hybrid_search:
             if sparse_encoder is None:
-                self._sparse_encoder = default_sparse_encoder
+                if kdbai.version("kdbai_client") >= "1.2.0":
+                    self._sparse_encoder = default_sparse_encoder_v2
+                else:
+                    self._sparse_encoder = default_sparse_encoder_v1
             else:
                 self._sparse_encoder = sparse_encoder
 
@@ -125,11 +115,31 @@ def add(
         Returns:
             List[str]: List of document IDs that were added.
         """
+        try:
+            import kdbai_client as kdbai
+
+            logger.info("KDBAI client version: " + kdbai.__version__)
+
+        except ImportError:
+            raise ValueError(
+                "Could not import kdbai_client package."
+                "Please add it to the dependencies."
+            )
+
         df = pd.DataFrame()
         docs = []
-        schema = self._table.schema()["columns"]
+
+        if kdbai.version("kdbai_client") >= "1.2.0":
+            schema = self._table.schema["schema"]["c"]
+            types = self._table.schema["schema"]["t"].decode("utf-8")
+        else:
+            schema = self._table.schema()["columns"]
+
         if self.hybrid_search:
-            schema = [item for item in schema if item["name"] != "sparseVectors"]
+            if kdbai.version("kdbai_client") >= "1.2.0":
+                schema = [item for item in schema if item != "sparseVectors"]
+            else:
+                schema = [item for item in schema if item["name"] != "sparseVectors"]
 
         try:
             for node in nodes:
@@ -144,15 +154,29 @@ def add(
 
                 # handle extra columns
                 if len(schema) > len(DEFAULT_COLUMN_NAMES):
-                    for column in schema[len(DEFAULT_COLUMN_NAMES) :]:
-                        try:
-                            doc[column["name"]] = convert_metadata_col(
-                                column, node.metadata[column["name"]]
-                            )
-                        except Exception as e:
-                            logger.error(
-                                f"Error writing column {column['name']} as type {column['pytype']}: {e}."
-                            )
+                    if kdbai.version("kdbai_client") >= "1.2.0":
+                        for column_name, column_type in zip(
+                            schema[len(DEFAULT_COLUMN_NAMES) :],
+                            types[len(DEFAULT_COLUMN_NAMES) :],
+                        ):
+                            try:
+                                doc[column_name] = convert_metadata_col_v2(
+                                    column_name, column_type, node.metadata[column_name]
+                                )
+                            except Exception as e:
+                                logger.error(
+                                    f"Error writing column {column_name} as qtype {column_type}: {e}."
+                                )
+                    else:
+                        for column in schema[len(DEFAULT_COLUMN_NAMES) :]:
+                            try:
+                                doc[column["name"]] = convert_metadata_col_v1(
+                                    column, node.metadata[column["name"]]
+                                )
+                            except Exception as e:
+                                logger.error(
+                                    f"Error writing column {column['name']} as type {column['pytype']}: {e}."
+                                )
 
                 docs.append(doc)
 
@@ -173,14 +197,30 @@ def add(
             logger.error(f"Error preparing data for KDB.AI: {e}.")
 
     def query(self, query: VectorStoreQuery, **kwargs: Any) -> VectorStoreQueryResult:
+        try:
+            import kdbai_client as kdbai
+
+            logger.info("KDBAI client version: " + kdbai.__version__)
+
+        except ImportError:
+            raise ValueError(
+                "Could not import kdbai_client package."
+                "Please add it to the dependencies."
+            )
+
         if query.filters is None:
             filter = []
         else:
             filter = query.filters
 
         if self.hybrid_search:
             alpha = query.alpha if query.alpha is not None else 0.5
-            sparse_vectors = self._sparse_encoder([query.query_str])
+
+            if kdbai.version("kdbai_client") >= "1.2.0":
+                sparse_vectors = [self._sparse_encoder([query.query_str])]
+            else:
+                sparse_vectors = self._sparse_encoder([query.query_str])
+
             results = self._table.hybrid_search(
                 dense_vectors=[query.query_embedding],
                 sparse_vectors=sparse_vectors,

llama-index-integrations/vector_stores/llama-index-vector-stores-kdbai/llama_index/vector_stores/kdbai/utils.py

@@ -1,7 +1,51 @@
 from typing import List, Dict
+import logging
+import pandas as pd
 
+logger = logging.getLogger(__name__)
 
-def default_sparse_encoder(texts: List[str]) -> List[Dict[int, int]]:
+
+def default_sparse_encoder_v2(texts: List[str]) -> Dict[int, int]:
+    try:
+        from transformers import BertTokenizer
+        from collections import Counter
+    except ImportError:
+        raise ImportError(
+            "Could not import transformers library. "
+            'Please install transformers with `pip install "transformers"`'
+        )
+
+    tokenizer = BertTokenizer.from_pretrained("bert-base-uncased")
+    tokenized_texts = tokenizer(texts, padding=True, truncation=True, max_length=512)[
+        "input_ids"
+    ]
+
+    flat_tokenized_texts = [
+        token_id for sublist in tokenized_texts for token_id in sublist
+    ]
+
+    return dict(Counter(flat_tokenized_texts))
+
+
+# MATCH THE METADATA COLUMN DATA TYPE TO ITS PYTYPE
+def convert_metadata_col_v2(column_name, column_type, column_value):
+    try:
+        if column_type == "s":
+            return str(column_value)
+        elif column_type == "C":
+            return column_value.encode("utf-8")
+        elif column_type == "p":
+            return pd.to_datetime(column_value)
+        elif column_type == "n":
+            return pd.to_timedelta(column_value)
+        return column_value.astype(column_type)
+    except Exception as e:
+        logger.error(
+            f"Failed to convert column {column_name} to qtype {column_type}: {e}"
+        )
+
+
+def default_sparse_encoder_v1(texts: List[str]) -> List[Dict[int, int]]:
     try:
         from transformers import BertTokenizer
         from collections import Counter
@@ -20,3 +64,20 @@ def default_sparse_encoder(texts: List[str]) -> List[Dict[int, int]]:
         sparse_encoding = dict(Counter(tokenized_text))
         results.append(sparse_encoding)
     return results
+
+
+def convert_metadata_col_v1(column, value):
+    try:
+        if column["pytype"] == "str":
+            return str(value)
+        elif column["pytype"] == "bytes":
+            return value.encode("utf-8")
+        elif column["pytype"] == "datetime64[ns]":
+            return pd.to_datetime(value)
+        elif column["pytype"] == "timedelta64[ns]":
+            return pd.to_timedelta(value)
+        return value.astype(column["pytype"])
+    except Exception as e:
+        logger.error(
+            f"Failed to convert column {column['name']} to type {column['pytype']}: {e}"
+        )

llama-index-integrations/vector_stores/llama-index-vector-stores-kdbai/pyproject.toml

@@ -36,7 +36,7 @@ version = "0.1.6"
 python = ">=3.8.1,<4.0"
 llama-index-core = "^0.10.0"
 pykx = "^2.1.1"
-kdbai-client = "^0.1.2"
+kdbai-client = ">=1.1.0"
 
 [tool.poetry.group.dev.dependencies]
 ipython = "8.10.0"