# check if this column has vector embedding. if there is one, seach vector version instead
              column_name_embedding = column_name * "_embedding"
              if occursin(column_name_embedding, tables_schema[column_name_embedding])
                vector_column = Dict(
                  "table_name"=> table_name,
                  "column_name"=> column_name_embedding,
                  "operator"=> "vector_similarity",
                  "value"=> column_obj["value"]
                )
              end