Full value converter refactor

Author: chandr-andr

src/driver/inner_connection.rs

@@ -1,5 +1,5 @@
 use bytes::Buf;
-use deadpool_postgres::{Object, Pool};
+use deadpool_postgres::Object;
 use postgres_types::{ToSql, Type};
 use pyo3::{Py, PyAny, Python};
 use std::vec;

src/value_converter/to_python.rs

@@ -635,41 +635,3 @@ pub fn postgres_to_py(
     }
     Ok(py.None())
 }
-
-/// Convert Python sequence to Rust vector.
-/// Also it checks that sequence has set/list/tuple type.
-///
-/// # Errors
-///
-/// May return error if cannot convert Python type into Rust one.
-/// May return error if parameters type isn't correct.
-fn py_sequence_to_rust(bind_parameters: &Bound<PyAny>) -> PSQLPyResult<Vec<Py<PyAny>>> {
-    let mut coord_values_sequence_vec: Vec<Py<PyAny>> = vec![];
-
-    if bind_parameters.is_instance_of::<PySet>() {
-        let bind_pyset_parameters = bind_parameters.downcast::<PySet>().unwrap();
-
-        for one_parameter in bind_pyset_parameters {
-            let extracted_parameter = one_parameter.extract::<Py<PyAny>>().map_err(|_| {
-                RustPSQLDriverError::PyToRustValueConversionError(
-                    format!("Error on sequence type extraction, please use correct list/tuple/set, {bind_parameters}")
-                )
-            })?;
-            coord_values_sequence_vec.push(extracted_parameter);
-        }
-    } else if bind_parameters.is_instance_of::<PyList>()
-        | bind_parameters.is_instance_of::<PyTuple>()
-    {
-        coord_values_sequence_vec = bind_parameters.extract::<Vec<Py<PyAny>>>().map_err(|_| {
-            RustPSQLDriverError::PyToRustValueConversionError(
-                format!("Error on sequence type extraction, please use correct list/tuple/set, {bind_parameters}")
-            )
-        })?;
-    } else {
-        return Err(RustPSQLDriverError::PyToRustValueConversionError(format!(
-            "Invalid sequence type, please use list/tuple/set, {bind_parameters}"
-        )));
-    };
-
-    Ok::<Vec<Py<PyAny>>, RustPSQLDriverError>(coord_values_sequence_vec)
-}