Delete polars_queries/utils.py

polars_queries/utils.py

@@ -1,111 +0,0 @@
-import os
-import timeit
-from os.path import join
-
-import polars as pl
-from linetimer import CodeTimer, linetimer
-from polars import testing as pl_test
-
-from common_utils import (
-    ANSWERS_BASE_DIR,
-    DATASET_BASE_DIR,
-    FILE_TYPE,
-    INCLUDE_IO,
-    LOG_TIMINGS,
-    SHOW_RESULTS,
-    append_row,
-)
-
-SHOW_PLAN = bool(os.environ.get("SHOW_PLAN", False))
-STREAMING = bool(os.environ.get("STREAMING", False))
-
-
-def _scan_ds(path: str):
-    path = f"{path}.{FILE_TYPE}"
-    if FILE_TYPE == "parquet":
-        scan = pl.scan_parquet(path)
-    elif FILE_TYPE == "feather":
-        scan = pl.scan_ipc(path)
-    else:
-        raise ValueError(f"file type: {FILE_TYPE} not expected")
-    if INCLUDE_IO:
-        return scan
-    return scan.collect().rechunk().lazy()
-
-
-def get_query_answer(query: int, base_dir: str = ANSWERS_BASE_DIR) -> pl.LazyFrame:
-    answer_ldf = pl.scan_csv(
-        join(base_dir, f"q{query}.out"),
-        separator="|",
-        has_header=True,
-        try_parse_dates=True,
-    )
-    cols = answer_ldf.columns
-    answer_ldf = answer_ldf.select(
-        [pl.col(c).alias(c.strip()) for c in cols]
-    ).with_columns([pl.col(pl.datatypes.Utf8).str.strip_chars().name.keep()])
-
-    return answer_ldf
-
-
-def test_results(q_num: int, result_df: pl.DataFrame):
-    with CodeTimer(name=f"Testing result of polars Query {q_num}", unit="s"):
-        answer = get_query_answer(q_num).collect()
-        pl_test.assert_frame_equal(left=result_df, right=answer, check_dtype=False)
-
-
-def get_line_item_ds(base_dir: str = DATASET_BASE_DIR) -> pl.LazyFrame:
-    return _scan_ds(join(base_dir, "lineitem"))
-
-
-def get_orders_ds(base_dir: str = DATASET_BASE_DIR) -> pl.LazyFrame:
-    return _scan_ds(join(base_dir, "orders"))
-
-
-def get_customer_ds(base_dir: str = DATASET_BASE_DIR) -> pl.LazyFrame:
-    return _scan_ds(join(base_dir, "customer"))
-
-
-def get_region_ds(base_dir: str = DATASET_BASE_DIR) -> pl.LazyFrame:
-    return _scan_ds(join(base_dir, "region"))
-
-
-def get_nation_ds(base_dir: str = DATASET_BASE_DIR) -> pl.LazyFrame:
-    return _scan_ds(join(base_dir, "nation"))
-
-
-def get_supplier_ds(base_dir: str = DATASET_BASE_DIR) -> pl.LazyFrame:
-    return _scan_ds(join(base_dir, "supplier"))
-
-
-def get_part_ds(base_dir: str = DATASET_BASE_DIR) -> pl.LazyFrame:
-    return _scan_ds(join(base_dir, "part"))
-
-
-def get_part_supp_ds(base_dir: str = DATASET_BASE_DIR) -> pl.LazyFrame:
-    return _scan_ds(join(base_dir, "partsupp"))
-
-
-def run_query(q_num: int, lp: pl.LazyFrame):
-    @linetimer(name=f"Overall execution of polars Query {q_num}", unit="s")
-    def query():
-        if SHOW_PLAN:
-            print(lp.explain())
-
-        with CodeTimer(name=f"Get result of polars Query {q_num}", unit="s"):
-            t0 = timeit.default_timer()
-            result = lp.collect(streaming=STREAMING)
-
-            secs = timeit.default_timer() - t0
-
-        if LOG_TIMINGS:
-            append_row(
-                solution="polars", version=pl.__version__, q=f"q{q_num}", secs=secs
-            )
-        else:
-            test_results(q_num, result)
-
-        if SHOW_RESULTS:
-            print(result)
-
-    query()