sqlglot/tests/dialects/test_doris.py

from tests.dialects.test_dialect import Validator


class TestDoris(Validator):
    dialect = "doris"

    def test_doris(self):
        self.validate_all(
            "SELECT TO_DATE('2020-02-02 00:00:00')",
            write={
                "doris": "SELECT TO_DATE('2020-02-02 00:00:00')",
                "oracle": "SELECT CAST('2020-02-02 00:00:00' AS DATE)",
            },
        )
        self.validate_all(
            "SELECT MAX_BY(a, b), MIN_BY(c, d)",
            read={"clickhouse": "SELECT argMax(a, b), argMin(c, d)"},
        )
        self.validate_all(
            "SELECT ARRAY_SUM(x -> x * x, ARRAY(2, 3))",
            read={
                "clickhouse": "SELECT arraySum(x -> x*x, [2, 3])",
            },
            write={
                "clickhouse": "SELECT arraySum(x -> x * x, [2, 3])",
                "doris": "SELECT ARRAY_SUM(x -> x * x, ARRAY(2, 3))",
            },
        )
        self.validate_all(
            "MONTHS_ADD(d, n)",
            read={
                "oracle": "ADD_MONTHS(d, n)",
            },
            write={
                "doris": "MONTHS_ADD(d, n)",
                "oracle": "ADD_MONTHS(d, n)",
            },
        )

    def test_identity(self):
        self.validate_identity("COALECSE(a, b, c, d)")
        self.validate_identity("SELECT CAST(`a`.`b` AS INT) FROM foo")
        self.validate_identity("SELECT APPROX_COUNT_DISTINCT(a) FROM x")

    def test_time(self):
        self.validate_identity("TIMESTAMP('2022-01-01')")

    def test_regex(self):
        self.validate_all(
            "SELECT REGEXP_LIKE(abc, '%foo%')",
            write={
                "doris": "SELECT REGEXP(abc, '%foo%')",
            },
        )