Baidu Vector Database MCP Server

Instructions

Rebuild the vector index in the Mochow instance.

Args:
    table_name (str): Name of the table.
    index_name (str): Name of the vector index to rebuild.

Returns:
    str: A message indicating the success of index rebuild initiation.

Implementation Reference

• src/mochow_mcp_server/server.py:607-621 (handler)

  MCP tool handler function for 'rebuild_vector_index', decorated with @mcp.tool() for registration, delegates to MochowConnector.rebuild_vector_index

  @mcp.tool()
  async def rebuild_vector_index(table_name: str, index_name: str, ctx: Context = None) -> str:
      """
      Rebuild the vector index in the Mochow instance.
  
      Args:
          table_name (str): Name of the table.
          index_name (str): Name of the vector index to rebuild.
  
      Returns:
          str: A message indicating the success of index rebuild initiation.
      """
      connector = ctx.request_context.lifespan_context.connector
      await connector.rebuild_vector_index(table_name, index_name)
      return f"Initiate the rebuild of vector index '{index_name}' successfully."

• src/mochow_mcp_server/server.py:251-283 (helper)

  Core helper method in MochowConnector class that implements the vector index rebuild logic by calling the Mochow database API.

  async def rebuild_vector_index(self, table_name: str, index_name: str) -> bool:
      """
      Rebuild a vector index in a given table.
  
      Args:
          table_name (str): Name of the table.
          index_name (str): Name of the vector index.
  
      Returns:
          bool: True if the index is rebuilt successfully, False otherwise.
      """
      if self.database is None:
          raise ValueError("Switch to the database before rebuild vector index")
  
      # check vector index
      index_existed = True
      try:
          self.database.table(table_name).describe_index(index_name)
      except ServerError as e:
          if e.code == ServerErrCode.INDEX_NOT_EXIST:
              index_existed = False
          else:
              raise ValueError(f"Failed to get index detail: {str(e)}")
  
      # index already existed with same name
      if not index_existed:
          raise ValueError(f"Vector index not existed with name '{index_name}'")
  
      try:
          self.database.table(table_name).rebuild_index(index_name)
          return True
      except Exception as e:
          raise ValueError(f"Failed to rebuild vector index: {str(e)}")