
"""simple docstring"""




import contextlib
import os
import sqlitea

import pytest

from datasets import Dataset, Features, Value
from datasets.io.sql import SqlDatasetReader, SqlDatasetWriter

from ..utils import assert_arrow_memory_doesnt_increase, assert_arrow_memory_increases, require_sqlalchemy

def lowercase_  (   _snake_case   ,_snake_case						):
							assert isinstance(_snake_case   ,_snake_case						)
							assert dataset.num_rows == 4
							assert dataset.num_columns == 3
							assert dataset.column_names == ["col_1", "col_2", "col_3"]
							for feature, expected_dtype in expected_features.items():
														assert dataset.features[feature].dtype == expected_dtype

@require_sqlalchemy
@pytest.mark.parametrize("""keep_in_memory"""   ,[False, True]						)
def lowercase_  (   _snake_case   ,_snake_case   ,_snake_case   ,_snake_case						):
							SCREAMING_SNAKE_CASE__						:       List[str]           =   tmp_path / """cache"""
							SCREAMING_SNAKE_CASE__						:       Union[str, Any]           =   {"""col_1""": """string""", """col_2""": """int64""", """col_3""": """float64"""}
							with assert_arrow_memory_increases() if keep_in_memory else assert_arrow_memory_doesnt_increase():
														SCREAMING_SNAKE_CASE__						:       Optional[int]           =   SqlDatasetReader(
														    """dataset"""   ,"""sqlite:///""" + sqlite_path   ,cache_dir=_snake_case   ,keep_in_memory=_snake_case						).read()
							_check_sql_dataset(_snake_case   ,_snake_case						)

@require_sqlalchemy
@pytest.mark.parametrize(
    """features"""   ,[
        None,
        {"""col_1""": """string""", """col_2""": """int64""", """col_3""": """float64"""},
        {"""col_1""": """string""", """col_2""": """string""", """col_3""": """string"""},
        {"""col_1""": """int32""", """col_2""": """int32""", """col_3""": """int32"""},
        {"""col_1""": """float32""", """col_2""": """float32""", """col_3""": """float32"""},
    ]   ,)
def lowercase_  (   _snake_case   ,_snake_case   ,_snake_case   ,_snake_case						):
							SCREAMING_SNAKE_CASE__						:       Any           =   tmp_path / """cache"""
							SCREAMING_SNAKE_CASE__						:       Tuple           =   {"""col_1""": """string""", """col_2""": """int64""", """col_3""": """float64"""}
							SCREAMING_SNAKE_CASE__						:       Dict           =   features.copy() if features else default_expected_features
							SCREAMING_SNAKE_CASE__						:       Any           =   (
							    Features({feature: Value(_snake_case						) for feature, dtype in features.items()}						) if features is not None else None
							)
							SCREAMING_SNAKE_CASE__						:       int           =   SqlDatasetReader("""dataset"""   ,"""sqlite:///""" + sqlite_path   ,features=_snake_case   ,cache_dir=_snake_case						).read()
							_check_sql_dataset(_snake_case   ,_snake_case						)

def lowercase_  (   _snake_case						):
							with contextlib.closing(sqlitea.connect(_snake_case						)						) as con:
														SCREAMING_SNAKE_CASE__						:       Optional[int]           =   con.cursor()
														cur.execute("""SELECT * FROM dataset"""						)
														for row in cur:
																					yield row

@require_sqlalchemy
def lowercase_  (   _snake_case   ,_snake_case   ,_snake_case						):
							SCREAMING_SNAKE_CASE__						:       List[str]           =   tmp_path / """cache"""
							SCREAMING_SNAKE_CASE__						:       Any           =   os.path.join(_snake_case   ,"""tmp.sql"""						)
							SCREAMING_SNAKE_CASE__						:       Dict           =   SqlDatasetReader("""dataset"""   ,"""sqlite:///""" + sqlite_path   ,cache_dir=_snake_case						).read()
							SqlDatasetWriter(_snake_case   ,"""dataset"""   ,"""sqlite:///""" + output_sqlite_path   ,num_proc=1						).write()

							SCREAMING_SNAKE_CASE__						:       List[str]           =   iter_sql_file(_snake_case						)
							SCREAMING_SNAKE_CASE__						:       int           =   iter_sql_file(_snake_case						)

							for rowa, rowa in zip(_snake_case   ,_snake_case						):
														assert rowa == rowa

@require_sqlalchemy
def lowercase_  (   _snake_case   ,_snake_case   ,_snake_case						):
							SCREAMING_SNAKE_CASE__						:       List[str]           =   tmp_path / """cache"""
							SCREAMING_SNAKE_CASE__						:       Union[str, Any]           =   os.path.join(_snake_case   ,"""tmp.sql"""						)
							SCREAMING_SNAKE_CASE__						:       int           =   SqlDatasetReader("""dataset"""   ,"""sqlite:///""" + sqlite_path   ,cache_dir=_snake_case						).read()
							SqlDatasetWriter(_snake_case   ,"""dataset"""   ,"""sqlite:///""" + output_sqlite_path   ,num_proc=2						).write()

							SCREAMING_SNAKE_CASE__						:       Any           =   iter_sql_file(_snake_case						)
							SCREAMING_SNAKE_CASE__						:       Union[str, Any]           =   iter_sql_file(_snake_case						)

							for rowa, rowa in zip(_snake_case   ,_snake_case						):
														assert rowa == rowa

@require_sqlalchemy
def lowercase_  (   _snake_case   ,_snake_case   ,_snake_case						):
							SCREAMING_SNAKE_CASE__						:       List[str]           =   tmp_path / """cache"""
							SCREAMING_SNAKE_CASE__						:       Tuple           =   os.path.join(_snake_case   ,"""tmp.sql"""						)
							SCREAMING_SNAKE_CASE__						:       Any           =   SqlDatasetReader("""dataset"""   ,"""sqlite:///""" + sqlite_path   ,cache_dir=_snake_case						).read()
							with pytest.raises(_snake_case						):
														SqlDatasetWriter(_snake_case   ,"""dataset"""   ,"""sqlite:///""" + output_sqlite_path   ,num_proc=0						).write()








"""simple docstring"""
import math






def 		lowercase							(     _snake_case						:      int     )     ->bool:
	"""simple docstring"""





	if 1 < number < 4:
		# 2 and 3 are primes
		return True
	elif number < 2 or number % 2 == 0 or number % 3 == 0:
		# Negatives, 0, 1, all even numbers, all multiples of 3 are not primes
		return False

	# All primes number are in format of 6k +/- 1
	for i in range(5     ,   int(math.sqrt(_snake_case     ) + 1     )     ,   6     ):
		if number % i == 0 or number % (i + 2) == 0:
			return False
	return True






def 		lowercase							(     _snake_case						:      float = 0.1     )     ->int:
	"""simple docstring"""





	__snake_case	:						Tuple						=				3
	__snake_case	:						Any						=				3

	while primes / (2 * j - 1) >= ratio:
		for i in range(j * j + j + 1     ,   (j + 2) * (j + 2)     ,   j + 1     ):
			primes += is_prime(_snake_case     )
		j += 2
	return j


if __name__ == "__main__":
			import doctest

			doctest.testmod()





