Trait DataFrameIoExt 

pub trait DataFrameIoExt {
    // Required methods
    fn to_parquet(&self, path: &Path) -> Result<(), IoError>;
    fn to_parquet_bytes(&self) -> Result<Vec<u8>, IoError>;
    fn to_orc(&self, path: &Path) -> Result<(), IoError>;
    fn to_orc_file(&self, path: &Path) -> Result<(), IoError>;
    fn to_orc_bytes(&self) -> Result<Vec<u8>, IoError>;
    fn to_hdf(&self, path: &Path) -> Result<(), IoError>;
    fn to_hdf_file(&self, path: &Path) -> Result<(), IoError>;
    fn to_hdf_key(&self, path: &Path, key: &str) -> Result<(), IoError>;
    fn to_hdf_with_options(
        &self,
        path: &Path,
        options: &HdfWriteOptions,
    ) -> Result<(), IoError>;
    fn to_csv_file(&self, path: &Path) -> Result<(), IoError>;
    fn to_csv_string(&self) -> Result<String, IoError>;
    fn to_csv_string_with_options(
        &self,
        options: &CsvWriteOptions,
    ) -> Result<String, IoError>;
    fn to_markdown_string(&self) -> Result<String, IoError>;
    fn to_markdown_string_with_options(
        &self,
        options: &MarkdownWriteOptions,
    ) -> Result<String, IoError>;
    fn to_markdown_file(&self, path: &Path) -> Result<(), IoError>;
    fn to_markdown_file_with_options(
        &self,
        path: &Path,
        options: &MarkdownWriteOptions,
    ) -> Result<(), IoError>;
    fn to_latex_string(&self) -> Result<String, IoError>;
    fn to_latex_string_with_options(
        &self,
        options: &LatexWriteOptions,
    ) -> Result<String, IoError>;
    fn to_latex_file(&self, path: &Path) -> Result<(), IoError>;
    fn to_latex_file_with_options(
        &self,
        path: &Path,
        options: &LatexWriteOptions,
    ) -> Result<(), IoError>;
    fn to_html_string(&self) -> Result<String, IoError>;
    fn to_html_string_with_options(
        &self,
        options: &HtmlWriteOptions,
    ) -> Result<String, IoError>;
    fn to_html_file(&self, path: &Path) -> Result<(), IoError>;
    fn to_html_file_with_options(
        &self,
        path: &Path,
        options: &HtmlWriteOptions,
    ) -> Result<(), IoError>;
    fn to_xml_string(&self) -> Result<String, IoError>;
    fn to_xml_string_with_options(
        &self,
        options: &XmlWriteOptions,
    ) -> Result<String, IoError>;
    fn to_xml(&self, path: &Path) -> Result<(), IoError>;
    fn to_xml_file(&self, path: &Path) -> Result<(), IoError>;
    fn to_xml_file_with_options(
        &self,
        path: &Path,
        options: &XmlWriteOptions,
    ) -> Result<(), IoError>;
    fn to_json_file(
        &self,
        path: &Path,
        orient: JsonOrient,
    ) -> Result<(), IoError>;
    fn to_json_string(&self, orient: JsonOrient) -> Result<String, IoError>;
    fn to_pickle(&self, path: &Path) -> Result<(), IoError>;
    fn to_pickle_file(&self, path: &Path) -> Result<(), IoError>;
    fn to_pickle_with_options(
        &self,
        path: &Path,
        options: &PickleWriteOptions,
    ) -> Result<(), IoError>;
    fn to_pickle_bytes(&self) -> Result<Vec<u8>, IoError>;
    fn to_pickle_bytes_with_options(
        &self,
        options: &PickleWriteOptions,
    ) -> Result<Vec<u8>, IoError>;
    fn to_stata(&self, path: &Path) -> Result<(), IoError>;
    fn to_stata_file(&self, path: &Path) -> Result<(), IoError>;
    fn to_stata_with_options(
        &self,
        path: &Path,
        options: &StataWriteOptions,
    ) -> Result<(), IoError>;
    fn to_stata_bytes(&self) -> Result<Vec<u8>, IoError>;
    fn to_stata_bytes_with_options(
        &self,
        options: &StataWriteOptions,
    ) -> Result<Vec<u8>, IoError>;
    fn to_excel(&self, path: &Path) -> Result<(), IoError>;
    fn to_excel_file(&self, path: &Path) -> Result<(), IoError>;
    fn to_excel_with_options(
        &self,
        path: &Path,
        options: &ExcelWriteOptions,
    ) -> Result<(), IoError>;
    fn to_excel_bytes(&self) -> Result<Vec<u8>, IoError>;
    fn to_excel_bytes_with_options(
        &self,
        options: &ExcelWriteOptions,
    ) -> Result<Vec<u8>, IoError>;
    fn to_jsonl_file(&self, path: &Path) -> Result<(), IoError>;
    fn to_jsonl_string(&self) -> Result<String, IoError>;
    fn to_feather(&self, path: &Path) -> Result<(), IoError>;
    fn to_feather_file(&self, path: &Path) -> Result<(), IoError>;
    fn to_feather_bytes(&self) -> Result<Vec<u8>, IoError>;
    fn to_sql<C: SqlConnection>(
        &self,
        conn: &C,
        table_name: &str,
        if_exists: SqlIfExists,
    ) -> Result<(), IoError>;
    fn to_sql_with_options<C: SqlConnection>(
        &self,
        conn: &C,
        table_name: &str,
        options: &SqlWriteOptions,
    ) -> Result<(), IoError>;
    fn to_clipboard(&self) -> Result<(), IoError>;
    fn to_gbq(
        &self,
        destination_table: &str,
        project_id: Option<&str>,
    ) -> Result<(), IoError>;
}

Extension trait that adds IO convenience methods to DataFrame.

Import this trait to call df.to_parquet(path), df.to_orc(path), df.to_hdf(path), df.to_parquet_bytes(), etc. directly on DataFrame values.

Required Methods

fn to_parquet(&self, path: &Path) -> Result<(), IoError>

Write this DataFrame to a Parquet file.

Matches pd.DataFrame.to_parquet(path).

fn to_parquet_bytes(&self) -> Result<Vec<u8>, IoError>

Serialize this DataFrame to Parquet bytes in memory.

Matches pd.DataFrame.to_parquet() with no path (returns bytes).

fn to_orc(&self, path: &Path) -> Result<(), IoError>

Write this DataFrame to an ORC file.

Matches the scoped DataFrame.to_orc(path) compatibility surface.

fn to_orc_file(&self, path: &Path) -> Result<(), IoError>

Write this DataFrame to an ORC file.

Explicit file-suffixed form of DataFrameIoExt::to_orc.

fn to_orc_bytes(&self) -> Result<Vec<u8>, IoError>

Serialize this DataFrame to ORC bytes in memory.

fn to_hdf(&self, path: &Path) -> Result<(), IoError>

Write this DataFrame to an HDF5 file at the default key.

Matches the scoped DataFrame.to_hdf(path) compatibility surface.

fn to_hdf_file(&self, path: &Path) -> Result<(), IoError>

Write this DataFrame to an HDF5 file at the default key.

Explicit file-suffixed form of DataFrameIoExt::to_hdf.

fn to_hdf_key(&self, path: &Path, key: &str) -> Result<(), IoError>

Write this DataFrame to an HDF5 file at an explicit key.

fn to_hdf_with_options( &self, path: &Path, options: &HdfWriteOptions, ) -> Result<(), IoError>

Write this DataFrame to an HDF5 file with explicit options.

fn to_csv_file(&self, path: &Path) -> Result<(), IoError>

Write this DataFrame to a CSV file.

Matches pd.DataFrame.to_csv(path).

fn to_csv_string(&self) -> Result<String, IoError>

Serialize this DataFrame to a CSV string.

Matches pd.DataFrame.to_csv() with no path.

fn to_csv_string_with_options( &self, options: &CsvWriteOptions, ) -> Result<String, IoError>

Serialize this DataFrame to a CSV string with explicit write options.

Matches pd.DataFrame.to_csv(sep, na_rep, header, index, index_label).

fn to_markdown_string(&self) -> Result<String, IoError>

Serialize this DataFrame to a Markdown table string.

Matches pd.DataFrame.to_markdown() with no buffer.

fn to_markdown_string_with_options( &self, options: &MarkdownWriteOptions, ) -> Result<String, IoError>

Serialize this DataFrame to a Markdown table string with explicit options.

fn to_markdown_file(&self, path: &Path) -> Result<(), IoError>

Write this DataFrame to a Markdown table file.

Uses a file-suffixed name to avoid colliding with DataFrame::to_markdown(include_index, tablefmt).

fn to_markdown_file_with_options( &self, path: &Path, options: &MarkdownWriteOptions, ) -> Result<(), IoError>

Write this DataFrame to a Markdown table file with explicit options.

fn to_latex_string(&self) -> Result<String, IoError>

Serialize this DataFrame to a LaTeX tabular string.

Matches pd.DataFrame.to_latex() with no buffer.

fn to_latex_string_with_options( &self, options: &LatexWriteOptions, ) -> Result<String, IoError>

Serialize this DataFrame to a LaTeX tabular string with explicit options.

fn to_latex_file(&self, path: &Path) -> Result<(), IoError>

Write this DataFrame to a LaTeX tabular file.

Uses a file-suffixed name to avoid colliding with DataFrame::to_latex(include_index).

fn to_latex_file_with_options( &self, path: &Path, options: &LatexWriteOptions, ) -> Result<(), IoError>

Write this DataFrame to a LaTeX tabular file with explicit options.

fn to_html_string(&self) -> Result<String, IoError>

Serialize this DataFrame to an HTML table string.

Matches pd.DataFrame.to_html() with no buffer.

fn to_html_string_with_options( &self, options: &HtmlWriteOptions, ) -> Result<String, IoError>

Serialize this DataFrame to an HTML table string with explicit options.

fn to_html_file(&self, path: &Path) -> Result<(), IoError>

Write this DataFrame to an HTML file.

Matches pd.DataFrame.to_html(path).

fn to_html_file_with_options( &self, path: &Path, options: &HtmlWriteOptions, ) -> Result<(), IoError>

Write this DataFrame to an HTML file with explicit options.

fn to_xml_string(&self) -> Result<String, IoError>

Serialize this DataFrame to an XML document string.

Matches pd.DataFrame.to_xml() with no buffer for the writer-only subset.

fn to_xml_string_with_options( &self, options: &XmlWriteOptions, ) -> Result<String, IoError>

Serialize this DataFrame to an XML document string with explicit options.

fn to_xml(&self, path: &Path) -> Result<(), IoError>

Write this DataFrame to an XML file.

Matches pd.DataFrame.to_xml(path).

fn to_xml_file(&self, path: &Path) -> Result<(), IoError>

Write this DataFrame to an XML file.

Matches pd.DataFrame.to_xml(path).

fn to_xml_file_with_options( &self, path: &Path, options: &XmlWriteOptions, ) -> Result<(), IoError>

Write this DataFrame to an XML file with explicit options.

fn to_json_file(&self, path: &Path, orient: JsonOrient) -> Result<(), IoError>

Write this DataFrame to a JSON file.

Matches pd.DataFrame.to_json(path).

fn to_json_string(&self, orient: JsonOrient) -> Result<String, IoError>

Serialize this DataFrame to a JSON string.

Matches pd.DataFrame.to_json() with no path.

fn to_pickle(&self, path: &Path) -> Result<(), IoError>

Write this DataFrame to a Pickle file.

Matches pd.DataFrame.to_pickle(path) for the supported envelope.

fn to_pickle_file(&self, path: &Path) -> Result<(), IoError>

Write this DataFrame to a Pickle file.

Explicit file-suffixed form of DataFrameIoExt::to_pickle.

fn to_pickle_with_options( &self, path: &Path, options: &PickleWriteOptions, ) -> Result<(), IoError>

Write this DataFrame to a Pickle file with explicit options.

fn to_pickle_bytes(&self) -> Result<Vec<u8>, IoError>

Serialize this DataFrame to Pickle bytes.

fn to_pickle_bytes_with_options( &self, options: &PickleWriteOptions, ) -> Result<Vec<u8>, IoError>

Serialize this DataFrame to Pickle bytes with explicit options.

fn to_stata(&self, path: &Path) -> Result<(), IoError>

Write this DataFrame to a Stata DTA file.

Matches pd.DataFrame.to_stata(path) for the supported subset.

fn to_stata_file(&self, path: &Path) -> Result<(), IoError>

Write this DataFrame to a Stata DTA file.

Explicit file-suffixed form of DataFrameIoExt::to_stata.

fn to_stata_with_options( &self, path: &Path, options: &StataWriteOptions, ) -> Result<(), IoError>

Write this DataFrame to a Stata DTA file with explicit options.

fn to_stata_bytes(&self) -> Result<Vec<u8>, IoError>

Serialize this DataFrame to Stata DTA bytes.

fn to_stata_bytes_with_options( &self, options: &StataWriteOptions, ) -> Result<Vec<u8>, IoError>

Serialize this DataFrame to Stata DTA bytes with explicit options.

fn to_excel(&self, path: &Path) -> Result<(), IoError>

Write this DataFrame to an Excel (.xlsx) file.

Matches pd.DataFrame.to_excel(path).

fn to_excel_file(&self, path: &Path) -> Result<(), IoError>

Write this DataFrame to an Excel (.xlsx) file.

Explicit file-suffixed form of DataFrameIoExt::to_excel.

fn to_excel_with_options( &self, path: &Path, options: &ExcelWriteOptions, ) -> Result<(), IoError>

Write this DataFrame to an Excel (.xlsx) file with explicit write options.

fn to_excel_bytes(&self) -> Result<Vec<u8>, IoError>

Serialize this DataFrame to Excel (.xlsx) bytes in memory.

fn to_excel_bytes_with_options( &self, options: &ExcelWriteOptions, ) -> Result<Vec<u8>, IoError>

Serialize this DataFrame to Excel (.xlsx) bytes with explicit write options.

fn to_jsonl_file(&self, path: &Path) -> Result<(), IoError>

Write this DataFrame to a JSONL file (one JSON object per line).

Matches pd.DataFrame.to_json(path, orient='records', lines=True).

fn to_jsonl_string(&self) -> Result<String, IoError>

Serialize this DataFrame to newline-delimited JSON.

Matches pd.DataFrame.to_json(orient='records', lines=True).

fn to_feather(&self, path: &Path) -> Result<(), IoError>

Write this DataFrame to an Arrow IPC (Feather v2) file.

Matches pd.DataFrame.to_feather(path).

fn to_feather_file(&self, path: &Path) -> Result<(), IoError>

Write this DataFrame to an Arrow IPC (Feather v2) file.

Explicit file-suffixed form of DataFrameIoExt::to_feather.

fn to_feather_bytes(&self) -> Result<Vec<u8>, IoError>

Serialize this DataFrame to Arrow IPC (Feather v2) bytes.

fn to_sql<C: SqlConnection>( &self, conn: &C, table_name: &str, if_exists: SqlIfExists, ) -> Result<(), IoError>

Write this DataFrame to a SQL table.

Matches pd.DataFrame.to_sql(name, con).

fn to_sql_with_options<C: SqlConnection>( &self, conn: &C, table_name: &str, options: &SqlWriteOptions, ) -> Result<(), IoError>

Write this DataFrame to a SQL table with pandas-style SQL write options.

fn to_clipboard(&self) -> Result<(), IoError>

Reject-closed clipboard writer, matching pd.DataFrame.to_clipboard() shape.

fn to_gbq( &self, destination_table: &str, project_id: Option<&str>, ) -> Result<(), IoError>

Reject-closed BigQuery writer, matching pd.DataFrame.to_gbq(destination_table, project_id).

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl DataFrameIoExt for DataFrame

fn to_parquet(&self, path: &Path) -> Result<(), IoError>

fn to_parquet_bytes(&self) -> Result<Vec<u8>, IoError>

fn to_orc(&self, path: &Path) -> Result<(), IoError>

fn to_orc_file(&self, path: &Path) -> Result<(), IoError>

fn to_orc_bytes(&self) -> Result<Vec<u8>, IoError>

fn to_hdf(&self, path: &Path) -> Result<(), IoError>

fn to_hdf_file(&self, path: &Path) -> Result<(), IoError>

fn to_hdf_key(&self, path: &Path, key: &str) -> Result<(), IoError>

fn to_hdf_with_options( &self, path: &Path, options: &HdfWriteOptions, ) -> Result<(), IoError>

fn to_csv_file(&self, path: &Path) -> Result<(), IoError>

fn to_csv_string(&self) -> Result<String, IoError>

fn to_csv_string_with_options( &self, options: &CsvWriteOptions, ) -> Result<String, IoError>

fn to_markdown_string(&self) -> Result<String, IoError>

fn to_markdown_string_with_options( &self, options: &MarkdownWriteOptions, ) -> Result<String, IoError>

fn to_markdown_file(&self, path: &Path) -> Result<(), IoError>

fn to_markdown_file_with_options( &self, path: &Path, options: &MarkdownWriteOptions, ) -> Result<(), IoError>

fn to_latex_string(&self) -> Result<String, IoError>

fn to_latex_string_with_options( &self, options: &LatexWriteOptions, ) -> Result<String, IoError>

fn to_latex_file(&self, path: &Path) -> Result<(), IoError>

fn to_latex_file_with_options( &self, path: &Path, options: &LatexWriteOptions, ) -> Result<(), IoError>

fn to_html_string(&self) -> Result<String, IoError>

fn to_html_string_with_options( &self, options: &HtmlWriteOptions, ) -> Result<String, IoError>

fn to_html_file(&self, path: &Path) -> Result<(), IoError>

fn to_html_file_with_options( &self, path: &Path, options: &HtmlWriteOptions, ) -> Result<(), IoError>

fn to_xml_string(&self) -> Result<String, IoError>

fn to_xml_string_with_options( &self, options: &XmlWriteOptions, ) -> Result<String, IoError>

fn to_xml(&self, path: &Path) -> Result<(), IoError>

fn to_xml_file(&self, path: &Path) -> Result<(), IoError>

fn to_xml_file_with_options( &self, path: &Path, options: &XmlWriteOptions, ) -> Result<(), IoError>

fn to_json_file(&self, path: &Path, orient: JsonOrient) -> Result<(), IoError>

fn to_json_string(&self, orient: JsonOrient) -> Result<String, IoError>

fn to_pickle(&self, path: &Path) -> Result<(), IoError>

fn to_pickle_file(&self, path: &Path) -> Result<(), IoError>

fn to_pickle_with_options( &self, path: &Path, options: &PickleWriteOptions, ) -> Result<(), IoError>

fn to_pickle_bytes(&self) -> Result<Vec<u8>, IoError>

fn to_pickle_bytes_with_options( &self, options: &PickleWriteOptions, ) -> Result<Vec<u8>, IoError>

fn to_stata(&self, path: &Path) -> Result<(), IoError>

fn to_stata_file(&self, path: &Path) -> Result<(), IoError>

fn to_stata_with_options( &self, path: &Path, options: &StataWriteOptions, ) -> Result<(), IoError>

fn to_stata_bytes(&self) -> Result<Vec<u8>, IoError>

fn to_stata_bytes_with_options( &self, options: &StataWriteOptions, ) -> Result<Vec<u8>, IoError>

fn to_excel(&self, path: &Path) -> Result<(), IoError>

fn to_excel_file(&self, path: &Path) -> Result<(), IoError>

fn to_excel_with_options( &self, path: &Path, options: &ExcelWriteOptions, ) -> Result<(), IoError>

fn to_excel_bytes(&self) -> Result<Vec<u8>, IoError>

fn to_excel_bytes_with_options( &self, options: &ExcelWriteOptions, ) -> Result<Vec<u8>, IoError>

fn to_jsonl_file(&self, path: &Path) -> Result<(), IoError>

fn to_jsonl_string(&self) -> Result<String, IoError>

fn to_feather(&self, path: &Path) -> Result<(), IoError>

fn to_feather_file(&self, path: &Path) -> Result<(), IoError>

fn to_feather_bytes(&self) -> Result<Vec<u8>, IoError>

fn to_sql<C: SqlConnection>( &self, conn: &C, table_name: &str, if_exists: SqlIfExists, ) -> Result<(), IoError>

fn to_sql_with_options<C: SqlConnection>( &self, conn: &C, table_name: &str, options: &SqlWriteOptions, ) -> Result<(), IoError>

fn to_clipboard(&self) -> Result<(), IoError>

fn to_gbq( &self, _destination_table: &str, _project_id: Option<&str>, ) -> Result<(), IoError>

Implementors