rows2dict

作者: hehehehe | 来源:发表于2024-07-28 11:41 被阅读0次
    cursor = conn.cursor(cursor_factory=DictCursor)
    cursor.execute(sql)
    rows = cursor.fetchall()
    rows_dict = [dict(row) for row in rows]
    
    
                rows = session.execute(sql)
                keys = rows.keys()
                return [dict(zip(keys, row)) for row in rows]
    
    import polars as pl
    import pyarrow as pa
    
    
    def rows2df(rows_dict):
        if rows_dict:
            return pl.from_dicts(rows_dict, infer_schema_length=len(rows_dict))
        return pl.DataFrame()
    
    
    def rows2table(rows_dict):
        return pa.Table.from_pylist(rows_dict)
    

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