设置基于方法的删除包含点

I have this data:

我有这个数据:

IF OBJECT_ID('tempdb..#temp') IS NOT NULL
    DROP TABLE #temp
CREATE TABLE #temp
    (
      Id INT IDENTITY(1, 1) ,
      X FLOAT NOT NULL ,
      Y FLOAT NOT NULL
    )

INSERT INTO #temp (X, Y) VALUES (0, 0)
INSERT INTO #temp (X, Y) VALUES (0, 1)
INSERT INTO #temp (X, Y) VALUES (0, 2)
INSERT INTO #temp (X, Y) VALUES (0.5, 1)
INSERT INTO #temp (X, Y) VALUES (1, 1)
INSERT INTO #temp (X, Y) VALUES (1, 2)
INSERT INTO #temp (X, Y) VALUES (1.5, 0.5)
INSERT INTO #temp (X, Y) VALUES (2, 0)
INSERT INTO #temp (X, Y) VALUES (2, 1)
IF OBJECT_ID('tem