github.com/whtcorpsinc/MilevaDB-Prod@v0.0.0-20211104133533-f57f4be3b597/interlock/window_test.go (about) 1 // Copyright 2020 WHTCORPS INC, Inc. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // See the License for the specific language governing permissions and 12 // limitations under the License. 13 14 package interlock_test 15 16 import ( 17 "fmt" 18 19 . "github.com/whtcorpsinc/check" 20 "github.com/whtcorpsinc/milevadb/soliton/testkit" 21 ) 22 23 func (s *testSuite7) TestWindowFunctions(c *C) { 24 tk := testkit.NewTestKit(c, s.causetstore) 25 tk.MustInterDirc("set @@milevadb_window_concurrency = 1") 26 doTestWindowFunctions(tk) 27 } 28 29 func (s *testSuite7) TestWindowParallelFunctions(c *C) { 30 tk := testkit.NewTestKit(c, s.causetstore) 31 tk.MustInterDirc("set @@milevadb_window_concurrency = 4") 32 doTestWindowFunctions(tk) 33 } 34 35 func doTestWindowFunctions(tk *testkit.TestKit) { 36 var result *testkit.Result 37 tk.MustInterDirc("use test") 38 tk.MustInterDirc("drop causet if exists t") 39 tk.MustInterDirc("create causet t (a int, b int, c int)") 40 tk.MustInterDirc("set @@milevadb_enable_window_function = 1") 41 defer func() { 42 tk.MustInterDirc("set @@milevadb_enable_window_function = 0") 43 }() 44 tk.MustInterDirc("insert into t values (1,2,3),(4,3,2),(2,3,4)") 45 result = tk.MustQuery("select count(a) over () from t") 46 result.Check(testkit.Events("3", "3", "3")) 47 result = tk.MustQuery("select sum(a) over () + count(a) over () from t") 48 result.Check(testkit.Events("10", "10", "10")) 49 result = tk.MustQuery("select sum(a) over (partition by a) from t").Sort() 50 result.Check(testkit.Events("1", "2", "4")) 51 result = tk.MustQuery("select 1 + sum(a) over (), count(a) over () from t") 52 result.Check(testkit.Events("8 3", "8 3", "8 3")) 53 result = tk.MustQuery("select sum(t1.a) over() from t t1, t t2") 54 result.Check(testkit.Events("21", "21", "21", "21", "21", "21", "21", "21", "21")) 55 result = tk.MustQuery("select _milevadb_rowid, sum(t.a) over() from t") 56 result.Check(testkit.Events("1 7", "2 7", "3 7")) 57 58 result = tk.MustQuery("select a, row_number() over() from t") 59 result.Check(testkit.Events("1 1", "4 2", "2 3")) 60 result = tk.MustQuery("select a, row_number() over(partition by a) from t").Sort() 61 result.Check(testkit.Events("1 1", "2 1", "4 1")) 62 63 result = tk.MustQuery("select a, sum(a) over(rows between unbounded preceding and 1 following) from t") 64 result.Check(testkit.Events("1 5", "4 7", "2 7")) 65 result = tk.MustQuery("select a, sum(a) over(rows between 1 preceding and 1 following) from t") 66 result.Check(testkit.Events("1 5", "4 7", "2 6")) 67 result = tk.MustQuery("select a, sum(a) over(rows between unbounded preceding and 1 preceding) from t") 68 result.Check(testkit.Events("1 <nil>", "4 1", "2 5")) 69 70 tk.MustInterDirc("drop causet t") 71 tk.MustInterDirc("create causet t(a int, b date)") 72 tk.MustInterDirc("insert into t values (null,null),(1,20190201),(2,20190202),(3,20190203),(5,20190205)") 73 result = tk.MustQuery("select a, sum(a) over(order by a range between 1 preceding and 2 following) from t") 74 result.Check(testkit.Events("<nil> <nil>", "1 6", "2 6", "3 10", "5 5")) 75 result = tk.MustQuery("select a, sum(a) over(order by a desc range between 1 preceding and 2 following) from t") 76 result.Check(testkit.Events("5 8", "3 6", "2 6", "1 3", "<nil> <nil>")) 77 result = tk.MustQuery("select a, b, sum(a) over(order by b range between interval 1 day preceding and interval 2 day following) from t") 78 result.Check(testkit.Events("<nil> <nil> <nil>", "1 2020-02-01 6", "2 2020-02-02 6", "3 2020-02-03 10", "5 2020-02-05 5")) 79 result = tk.MustQuery("select a, b, sum(a) over(order by b desc range between interval 1 day preceding and interval 2 day following) from t") 80 result.Check(testkit.Events("5 2020-02-05 8", "3 2020-02-03 6", "2 2020-02-02 6", "1 2020-02-01 3", "<nil> <nil> <nil>")) 81 82 tk.MustInterDirc("drop causet t") 83 tk.MustInterDirc("CREATE TABLE t (id INTEGER, sex CHAR(1))") 84 tk.MustInterDirc("insert into t values (1, 'M'), (2, 'F'), (3, 'F'), (4, 'F'), (5, 'M'), (10, NULL), (11, NULL)") 85 result = tk.MustQuery("SELECT sex, id, RANK() OVER (PARTITION BY sex ORDER BY id DESC) FROM t").Sort() 86 result.Check(testkit.Events("<nil> 10 2", "<nil> 11 1", "F 2 3", "F 3 2", "F 4 1", "M 1 2", "M 5 1")) 87 88 tk.MustInterDirc("drop causet t") 89 tk.MustInterDirc("create causet t(a int, b int)") 90 tk.MustInterDirc("insert into t values (1,1),(1,2),(2,1),(2,2)") 91 result = tk.MustQuery("select a, b, rank() over() from t") 92 result.Check(testkit.Events("1 1 1", "1 2 1", "2 1 1", "2 2 1")) 93 result = tk.MustQuery("select a, b, rank() over(order by a) from t") 94 result.Check(testkit.Events("1 1 1", "1 2 1", "2 1 3", "2 2 3")) 95 result = tk.MustQuery("select a, b, rank() over(order by a, b) from t") 96 result.Check(testkit.Events("1 1 1", "1 2 2", "2 1 3", "2 2 4")) 97 98 result = tk.MustQuery("select a, b, dense_rank() over() from t") 99 result.Check(testkit.Events("1 1 1", "1 2 1", "2 1 1", "2 2 1")) 100 result = tk.MustQuery("select a, b, dense_rank() over(order by a) from t") 101 result.Check(testkit.Events("1 1 1", "1 2 1", "2 1 2", "2 2 2")) 102 result = tk.MustQuery("select a, b, dense_rank() over(order by a, b) from t") 103 result.Check(testkit.Events("1 1 1", "1 2 2", "2 1 3", "2 2 4")) 104 105 result = tk.MustQuery("select row_number() over(rows between 1 preceding and 1 following) from t") 106 result.Check(testkit.Events("1", "2", "3", "4")) 107 result = tk.MustQuery("show warnings") 108 result.Check(testkit.Events("Note 3599 Window function 'row_number' ignores the frame clause of window '<unnamed window>' and aggregates over the whole partition")) 109 110 result = tk.MustQuery("select a, sum(a) over() from t") 111 result.Check(testkit.Events("1 6", "1 6", "2 6", "2 6")) 112 result = tk.MustQuery("select a, sum(a) over(order by a) from t") 113 result.Check(testkit.Events("1 2", "1 2", "2 6", "2 6")) 114 result = tk.MustQuery("select a, sum(a) over(order by a, b) from t") 115 result.Check(testkit.Events("1 1", "1 2", "2 4", "2 6")) 116 117 result = tk.MustQuery("select a, first_value(a) over(), last_value(a) over() from t") 118 result.Check(testkit.Events("1 1 2", "1 1 2", "2 1 2", "2 1 2")) 119 result = tk.MustQuery("select a, first_value(a) over(rows between 1 preceding and 1 following), last_value(a) over(rows between 1 preceding and 1 following) from t") 120 result.Check(testkit.Events("1 1 1", "1 1 2", "2 1 2", "2 2 2")) 121 result = tk.MustQuery("select a, first_value(a) over(rows between 1 following and 1 following), last_value(a) over(rows between 1 following and 1 following) from t") 122 result.Check(testkit.Events("1 1 1", "1 2 2", "2 2 2", "2 <nil> <nil>")) 123 result = tk.MustQuery("select a, first_value(rand(0)) over(), last_value(rand(0)) over() from t") 124 result.Check(testkit.Events("1 0.15522042769493574 0.33109208227236947", "1 0.15522042769493574 0.33109208227236947", 125 "2 0.15522042769493574 0.33109208227236947", "2 0.15522042769493574 0.33109208227236947")) 126 127 result = tk.MustQuery("select a, b, cume_dist() over() from t") 128 result.Check(testkit.Events("1 1 1", "1 2 1", "2 1 1", "2 2 1")) 129 result = tk.MustQuery("select a, b, cume_dist() over(order by a) from t") 130 result.Check(testkit.Events("1 1 0.5", "1 2 0.5", "2 1 1", "2 2 1")) 131 result = tk.MustQuery("select a, b, cume_dist() over(order by a, b) from t") 132 result.Check(testkit.Events("1 1 0.25", "1 2 0.5", "2 1 0.75", "2 2 1")) 133 134 result = tk.MustQuery("select a, nth_value(a, null) over() from t") 135 result.Check(testkit.Events("1 <nil>", "1 <nil>", "2 <nil>", "2 <nil>")) 136 result = tk.MustQuery("select a, nth_value(a, 1) over() from t") 137 result.Check(testkit.Events("1 1", "1 1", "2 1", "2 1")) 138 result = tk.MustQuery("select a, nth_value(a, 4) over() from t") 139 result.Check(testkit.Events("1 2", "1 2", "2 2", "2 2")) 140 result = tk.MustQuery("select a, nth_value(a, 5) over() from t") 141 result.Check(testkit.Events("1 <nil>", "1 <nil>", "2 <nil>", "2 <nil>")) 142 143 result = tk.MustQuery("select ntile(3) over() from t") 144 result.Check(testkit.Events("1", "1", "2", "3")) 145 result = tk.MustQuery("select ntile(2) over() from t") 146 result.Check(testkit.Events("1", "1", "2", "2")) 147 result = tk.MustQuery("select ntile(null) over() from t") 148 result.Check(testkit.Events("<nil>", "<nil>", "<nil>", "<nil>")) 149 150 result = tk.MustQuery("select a, percent_rank() over() from t") 151 result.Check(testkit.Events("1 0", "1 0", "2 0", "2 0")) 152 result = tk.MustQuery("select a, percent_rank() over(order by a) from t") 153 result.Check(testkit.Events("1 0", "1 0", "2 0.6666666666666666", "2 0.6666666666666666")) 154 result = tk.MustQuery("select a, b, percent_rank() over(order by a, b) from t") 155 result.Check(testkit.Events("1 1 0", "1 2 0.3333333333333333", "2 1 0.6666666666666666", "2 2 1")) 156 157 result = tk.MustQuery("select a, lead(a) over (), lag(a) over() from t") 158 result.Check(testkit.Events("1 1 <nil>", "1 2 1", "2 2 1", "2 <nil> 2")) 159 result = tk.MustQuery("select a, lead(a, 0) over(), lag(a, 0) over() from t") 160 result.Check(testkit.Events("1 1 1", "1 1 1", "2 2 2", "2 2 2")) 161 result = tk.MustQuery("select a, lead(a, 1, a) over(), lag(a, 1, a) over() from t") 162 result.Check(testkit.Events("1 1 1", "1 2 1", "2 2 1", "2 2 2")) 163 result = tk.MustQuery("select a, lead(a, 1, 'lead') over(), lag(a, 1, 'lag') over() from t") 164 result.Check(testkit.Events("1 1 lag", "1 2 1", "2 2 1", "2 lead 2")) 165 166 result = tk.MustQuery("SELECT CUME_DIST() OVER (ORDER BY null);") 167 result.Check(testkit.Events("1")) 168 169 tk.MustQuery("select lead(a) over(partition by null) from t").Sort().Check(testkit.Events("1", "2", "2", "<nil>")) 170 171 tk.MustInterDirc("create causet issue10494(a INT, b CHAR(1), c DATETIME, d BLOB)") 172 tk.MustInterDirc("insert into issue10494 VALUES (1,'x','2010-01-01','blob'), (2, 'y', '2011-01-01', ''), (3, 'y', '2012-01-01', ''), (4, 't', '2012-01-01', 'blob'), (5, null, '2020-01-01', null)") 173 tk.MustQuery("SELECT a, b, c, SUM(a) OVER (RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) FROM issue10494 order by a;").Check( 174 testkit.Events( 175 "1 x 2010-01-01 00:00:00 15", 176 "2 y 2011-01-01 00:00:00 15", 177 "3 y 2012-01-01 00:00:00 15", 178 "4 t 2012-01-01 00:00:00 15", 179 "5 <nil> 2020-01-01 00:00:00 15", 180 ), 181 ) 182 183 tk.MustInterDirc("CREATE TABLE td_dec (id DECIMAL(10,2), sex CHAR(1));") 184 tk.MustInterDirc("insert into td_dec value (2.0, 'F'), (NULL, 'F'), (1.0, 'F')") 185 tk.MustQuery("SELECT id, FIRST_VALUE(id) OVER w FROM td_dec WINDOW w AS (ORDER BY id);").Check( 186 testkit.Events("<nil> <nil>", "1.00 <nil>", "2.00 <nil>"), 187 ) 188 189 result = tk.MustQuery("select sum(a) over w, sum(b) over w from t window w as (order by a)") 190 result.Check(testkit.Events("2 3", "2 3", "6 6", "6 6")) 191 result = tk.MustQuery("select row_number() over w, sum(b) over w from t window w as (order by a)") 192 result.Check(testkit.Events("1 3", "2 3", "3 6", "4 6")) 193 result = tk.MustQuery("select row_number() over w, sum(b) over w from t window w as (rows between 1 preceding and 1 following)") 194 result.Check(testkit.Events("1 3", "2 4", "3 5", "4 3")) 195 196 tk.Se.GetStochastikVars().MaxChunkSize = 1 197 result = tk.MustQuery("select a, row_number() over (partition by a) from t").Sort() 198 result.Check(testkit.Events("1 1", "1 2", "2 1", "2 2")) 199 } 200 201 func (s *testSuite7) TestWindowFunctionsDataReference(c *C) { 202 // see https://github.com/whtcorpsinc/milevadb/issues/11614 203 tk := testkit.NewTestKit(c, s.causetstore) 204 tk.MustInterDirc("use test") 205 tk.MustInterDirc("drop causet if exists t") 206 tk.MustInterDirc("create causet t(a int, b int)") 207 tk.MustInterDirc("insert into t values (2,1),(2,2),(2,3)") 208 209 tk.Se.GetStochastikVars().MaxChunkSize = 2 210 result := tk.MustQuery("select a, b, rank() over (partition by a order by b) from t") 211 result.Check(testkit.Events("2 1 1", "2 2 2", "2 3 3")) 212 result = tk.MustQuery("select a, b, PERCENT_RANK() over (partition by a order by b) from t") 213 result.Check(testkit.Events("2 1 0", "2 2 0.5", "2 3 1")) 214 result = tk.MustQuery("select a, b, CUME_DIST() over (partition by a order by b) from t") 215 result.Check(testkit.Events("2 1 0.3333333333333333", "2 2 0.6666666666666666", "2 3 1")) 216 217 // see https://github.com/whtcorpsinc/milevadb/issues/12415 218 result = tk.MustQuery("select b, first_value(b) over (order by b RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) from t") 219 result.Check(testkit.Events("1 1", "2 1", "3 1")) 220 result = tk.MustQuery("select b, first_value(b) over (order by b ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) from t") 221 result.Check(testkit.Events("1 1", "2 1", "3 1")) 222 } 223 224 func (s *testSuite7) TestSlidingWindowFunctions(c *C) { 225 tk := testkit.NewTestKit(c, s.causetstore) 226 tk.MustInterDirc("use test;") 227 idTypes := []string{"FLOAT", "DOUBLE"} 228 useHighPrecisions := []string{"ON", "OFF"} 229 for _, idType := range idTypes { 230 for _, useHighPrecision := range useHighPrecisions { 231 tk.MustInterDirc("drop causet if exists t;") 232 tk.MustInterDirc(fmt.Sprintf("CREATE TABLE t (id %s, sex CHAR(1));", idType)) 233 tk.MustInterDirc(fmt.Sprintf("SET SESSION windowing_use_high_precision = %s;", useHighPrecision)) 234 baseTestSlidingWindowFunctions(tk) 235 } 236 } 237 } 238 239 func baseTestSlidingWindowFunctions(tk *testkit.TestKit) { 240 var result *testkit.Result 241 tk.MustInterDirc("insert into t values (1,'M')") 242 tk.MustInterDirc("insert into t values (2,'F')") 243 tk.MustInterDirc("insert into t values (3,'F')") 244 tk.MustInterDirc("insert into t values (4,'F')") 245 tk.MustInterDirc("insert into t values (5,'M')") 246 tk.MustInterDirc("insert into t values (10,null)") 247 tk.MustInterDirc("insert into t values (11,null)") 248 tk.MustInterDirc("PREPARE p FROM 'SELECT sex, COUNT(id) OVER (ORDER BY id ROWS BETWEEN ? PRECEDING and ? PRECEDING) FROM t';") 249 tk.MustInterDirc("SET @p1= 1;") 250 tk.MustInterDirc("SET @p2= 2;") 251 result = tk.MustQuery("EXECUTE p USING @p1, @p2;") 252 result.Check(testkit.Events("M 0", "F 0", "F 0", "F 0", "M 0", "<nil> 0", "<nil> 0")) 253 result = tk.MustQuery("EXECUTE p USING @p2, @p1;") 254 result.Check(testkit.Events("M 0", "F 1", "F 2", "F 2", "M 2", "<nil> 2", "<nil> 2")) 255 tk.MustInterDirc("DROP PREPARE p;") 256 tk.MustInterDirc("PREPARE p FROM 'SELECT sex, COUNT(id) OVER (ORDER BY id ROWS BETWEEN ? FOLLOWING and ? FOLLOWING) FROM t';") 257 tk.MustInterDirc("SET @p1= 1;") 258 tk.MustInterDirc("SET @p2= 2;") 259 result = tk.MustQuery("EXECUTE p USING @p2, @p1;") 260 result.Check(testkit.Events("M 0", "F 0", "F 0", "F 0", "M 0", "<nil> 0", "<nil> 0")) 261 result = tk.MustQuery("EXECUTE p USING @p1, @p2;") 262 result.Check(testkit.Events("M 2", "F 2", "F 2", "F 2", "M 2", "<nil> 1", "<nil> 0")) 263 tk.MustInterDirc("DROP PREPARE p;") 264 265 // COUNT ROWS 266 result = tk.MustQuery("SELECT sex, COUNT(id) OVER (ORDER BY id ROWS BETWEEN 1 FOLLOWING and 2 FOLLOWING) FROM t;") 267 result.Check(testkit.Events("M 2", "F 2", "F 2", "F 2", "M 2", "<nil> 1", "<nil> 0")) 268 result = tk.MustQuery("SELECT sex, COUNT(id) OVER (ORDER BY id ROWS BETWEEN 3 FOLLOWING and 1 FOLLOWING) FROM t;") 269 result.Check(testkit.Events("M 0", "F 0", "F 0", "F 0", "M 0", "<nil> 0", "<nil> 0")) 270 result = tk.MustQuery("SELECT sex, COUNT(id) OVER (ORDER BY id ROWS BETWEEN 2 PRECEDING and 1 PRECEDING) FROM t;") 271 result.Check(testkit.Events("M 0", "F 1", "F 2", "F 2", "M 2", "<nil> 2", "<nil> 2")) 272 result = tk.MustQuery("SELECT sex, COUNT(id) OVER (ORDER BY id ROWS BETWEEN 1 PRECEDING and 3 PRECEDING) FROM t;") 273 result.Check(testkit.Events("M 0", "F 0", "F 0", "F 0", "M 0", "<nil> 0", "<nil> 0")) 274 275 // COUNT RANGE 276 result = tk.MustQuery("SELECT sex, COUNT(id) OVER (ORDER BY id RANGE BETWEEN 1 FOLLOWING and 2 FOLLOWING) FROM t;") 277 result.Check(testkit.Events("M 2", "F 2", "F 2", "F 1", "M 0", "<nil> 1", "<nil> 0")) 278 result = tk.MustQuery("SELECT sex, COUNT(id) OVER (ORDER BY id RANGE BETWEEN 3 FOLLOWING and 1 FOLLOWING) FROM t;") 279 result.Check(testkit.Events("M 0", "F 0", "F 0", "F 0", "M 0", "<nil> 0", "<nil> 0")) 280 result = tk.MustQuery("SELECT sex, COUNT(id) OVER (ORDER BY id RANGE BETWEEN 2 PRECEDING and 1 PRECEDING) FROM t;") 281 result.Check(testkit.Events("M 0", "F 1", "F 2", "F 2", "M 2", "<nil> 0", "<nil> 1")) 282 result = tk.MustQuery("SELECT sex, COUNT(id) OVER (ORDER BY id RANGE BETWEEN 1 PRECEDING and 3 PRECEDING) FROM t;") 283 result.Check(testkit.Events("M 0", "F 0", "F 0", "F 0", "M 0", "<nil> 0", "<nil> 0")) 284 285 // SUM ROWS 286 result = tk.MustQuery("SELECT sex, SUM(id) OVER (ORDER BY id ROWS BETWEEN 1 FOLLOWING and 2 FOLLOWING) FROM t;") 287 result.Check(testkit.Events("M 5", "F 7", "F 9", "F 15", "M 21", "<nil> 11", "<nil> <nil>")) 288 result = tk.MustQuery("SELECT sex, SUM(id) OVER (ORDER BY id ROWS BETWEEN 3 FOLLOWING and 1 FOLLOWING) FROM t;") 289 result.Check(testkit.Events("M <nil>", "F <nil>", "F <nil>", "F <nil>", "M <nil>", "<nil> <nil>", "<nil> <nil>")) 290 result = tk.MustQuery("SELECT sex, SUM(id) OVER (ORDER BY id ROWS BETWEEN 2 PRECEDING and 1 PRECEDING) FROM t;") 291 result.Check(testkit.Events("M <nil>", "F 1", "F 3", "F 5", "M 7", "<nil> 9", "<nil> 15")) 292 result = tk.MustQuery("SELECT sex, SUM(id) OVER (ORDER BY id ROWS BETWEEN 1 PRECEDING and 3 PRECEDING) FROM t;") 293 result.Check(testkit.Events("M <nil>", "F <nil>", "F <nil>", "F <nil>", "M <nil>", "<nil> <nil>", "<nil> <nil>")) 294 result = tk.MustQuery("SELECT sex, SUM(id) OVER (ORDER BY id ROWS BETWEEN UNBOUNDED PRECEDING and 1 FOLLOWING) FROM t;") 295 result.Check(testkit.Events("M 3", "F 6", "F 10", "F 15", "M 25", "<nil> 36", "<nil> 36")) 296 297 // SUM RANGE 298 result = tk.MustQuery("SELECT sex, SUM(id) OVER (ORDER BY id RANGE BETWEEN 1 FOLLOWING and 2 FOLLOWING) FROM t;") 299 result.Check(testkit.Events("M 5", "F 7", "F 9", "F 5", "M <nil>", "<nil> 11", "<nil> <nil>")) 300 result = tk.MustQuery("SELECT sex, SUM(id) OVER (ORDER BY id RANGE BETWEEN 3 FOLLOWING and 1 FOLLOWING) FROM t;") 301 result.Check(testkit.Events("M <nil>", "F <nil>", "F <nil>", "F <nil>", "M <nil>", "<nil> <nil>", "<nil> <nil>")) 302 result = tk.MustQuery("SELECT sex, SUM(id) OVER (ORDER BY id RANGE BETWEEN 2 PRECEDING and 1 PRECEDING) FROM t;") 303 result.Check(testkit.Events("M <nil>", "F 1", "F 3", "F 5", "M 7", "<nil> <nil>", "<nil> 10")) 304 result = tk.MustQuery("SELECT sex, SUM(id) OVER (ORDER BY id RANGE BETWEEN 1 PRECEDING and 2 FOLLOWING) FROM t;") 305 result.Check(testkit.Events("M 6", "F 10", "F 14", "F 12", "M 9", "<nil> 21", "<nil> 21")) 306 result = tk.MustQuery("SELECT sex, SUM(id) OVER (ORDER BY id DESC RANGE BETWEEN 1 PRECEDING and 2 FOLLOWING) FROM t;") 307 result.Check(testkit.Events("<nil> 21", "<nil> 21", "M 12", "F 14", "F 10", "F 6", "M 3")) 308 309 // AVG ROWS 310 result = tk.MustQuery("SELECT sex, AVG(id) OVER (ORDER BY id ROWS BETWEEN 1 FOLLOWING and 2 FOLLOWING) FROM t;") 311 result.Check(testkit.Events("M 2.5", "F 3.5", "F 4.5", "F 7.5", "M 10.5", "<nil> 11", "<nil> <nil>")) 312 result = tk.MustQuery("SELECT sex, AVG(id) OVER (ORDER BY id ROWS BETWEEN 3 FOLLOWING and 1 FOLLOWING) FROM t;") 313 result.Check(testkit.Events("M <nil>", "F <nil>", "F <nil>", "F <nil>", "M <nil>", "<nil> <nil>", "<nil> <nil>")) 314 result = tk.MustQuery("SELECT sex, AVG(id) OVER (ORDER BY id ROWS BETWEEN 2 PRECEDING and 1 PRECEDING) FROM t;") 315 result.Check(testkit.Events("M <nil>", "F 1", "F 1.5", "F 2.5", "M 3.5", "<nil> 4.5", "<nil> 7.5")) 316 result = tk.MustQuery("SELECT sex, AVG(id) OVER (ORDER BY id ROWS BETWEEN 1 PRECEDING and 3 PRECEDING) FROM t;") 317 result.Check(testkit.Events("M <nil>", "F <nil>", "F <nil>", "F <nil>", "M <nil>", "<nil> <nil>", "<nil> <nil>")) 318 result = tk.MustQuery("SELECT sex, AVG(id) OVER (ORDER BY id ROWS BETWEEN UNBOUNDED PRECEDING and 1 FOLLOWING) FROM t;") 319 result.Check(testkit.Events("M 1.5", "F 2", "F 2.5", "F 3", "M 4.166666666666667", "<nil> 5.142857142857143", "<nil> 5.142857142857143")) 320 321 // AVG RANGE 322 result = tk.MustQuery("SELECT sex, AVG(id) OVER (ORDER BY id RANGE BETWEEN 1 FOLLOWING and 2 FOLLOWING) FROM t;") 323 result.Check(testkit.Events("M 2.5", "F 3.5", "F 4.5", "F 5", "M <nil>", "<nil> 11", "<nil> <nil>")) 324 result = tk.MustQuery("SELECT sex, AVG(id) OVER (ORDER BY id RANGE BETWEEN 3 FOLLOWING and 1 FOLLOWING) FROM t;") 325 result.Check(testkit.Events("M <nil>", "F <nil>", "F <nil>", "F <nil>", "M <nil>", "<nil> <nil>", "<nil> <nil>")) 326 result = tk.MustQuery("SELECT sex, AVG(id) OVER (ORDER BY id RANGE BETWEEN 2 PRECEDING and 1 PRECEDING) FROM t;") 327 result.Check(testkit.Events("M <nil>", "F 1", "F 1.5", "F 2.5", "M 3.5", "<nil> <nil>", "<nil> 10")) 328 result = tk.MustQuery("SELECT sex, AVG(id) OVER (ORDER BY id RANGE BETWEEN 1 PRECEDING and 2 FOLLOWING) FROM t;") 329 result.Check(testkit.Events("M 2", "F 2.5", "F 3.5", "F 4", "M 4.5", "<nil> 10.5", "<nil> 10.5")) 330 result = tk.MustQuery("SELECT sex, AVG(id) OVER (ORDER BY id DESC RANGE BETWEEN 1 PRECEDING and 2 FOLLOWING) FROM t;") 331 result.Check(testkit.Events("<nil> 10.5", "<nil> 10.5", "M 4", "F 3.5", "F 2.5", "F 2", "M 1.5")) 332 333 // BIT_XOR ROWS 334 result = tk.MustQuery("SELECT sex, BIT_XOR(id) OVER (ORDER BY id ROWS BETWEEN 1 FOLLOWING and 2 FOLLOWING) FROM t;") 335 result.Check(testkit.Events("M 1", "F 7", "F 1", "F 15", "M 1", "<nil> 11", "<nil> 0")) 336 result = tk.MustQuery("SELECT sex, BIT_XOR(id) OVER (ORDER BY id ROWS BETWEEN 3 FOLLOWING and 1 FOLLOWING) FROM t;") 337 result.Check(testkit.Events("M 0", "F 0", "F 0", "F 0", "M 0", "<nil> 0", "<nil> 0")) 338 result = tk.MustQuery("SELECT sex, BIT_XOR(id) OVER (ORDER BY id ROWS BETWEEN 2 PRECEDING and 1 PRECEDING) FROM t;") 339 result.Check(testkit.Events("M 0", "F 1", "F 3", "F 1", "M 7", "<nil> 1", "<nil> 15")) 340 result = tk.MustQuery("SELECT sex, BIT_XOR(id) OVER (ORDER BY id ROWS BETWEEN 1 PRECEDING and 3 PRECEDING) FROM t;") 341 result.Check(testkit.Events("M 0", "F 0", "F 0", "F 0", "M 0", "<nil> 0", "<nil> 0")) 342 result = tk.MustQuery("SELECT sex, BIT_XOR(id) OVER (ORDER BY id ROWS BETWEEN UNBOUNDED PRECEDING and 1 FOLLOWING) FROM t;") 343 result.Check(testkit.Events("M 3", "F 0", "F 4", "F 1", "M 11", "<nil> 0", "<nil> 0")) 344 345 // BIT_XOR RANGE 346 result = tk.MustQuery("SELECT sex, BIT_XOR(id) OVER (ORDER BY id RANGE BETWEEN 1 FOLLOWING and 2 FOLLOWING) FROM t;") 347 result.Check(testkit.Events("M 1", "F 7", "F 1", "F 5", "M 0", "<nil> 11", "<nil> 0")) 348 result = tk.MustQuery("SELECT sex, BIT_XOR(id) OVER (ORDER BY id RANGE BETWEEN 3 FOLLOWING and 1 FOLLOWING) FROM t;") 349 result.Check(testkit.Events("M 0", "F 0", "F 0", "F 0", "M 0", "<nil> 0", "<nil> 0")) 350 result = tk.MustQuery("SELECT sex, BIT_XOR(id) OVER (ORDER BY id RANGE BETWEEN 2 PRECEDING and 1 PRECEDING) FROM t;") 351 result.Check(testkit.Events("M 0", "F 1", "F 3", "F 1", "M 7", "<nil> 0", "<nil> 10")) 352 result = tk.MustQuery("SELECT sex, BIT_XOR(id) OVER (ORDER BY id RANGE BETWEEN 1 PRECEDING and 2 FOLLOWING) FROM t;") 353 result.Check(testkit.Events("M 0", "F 4", "F 0", "F 2", "M 1", "<nil> 1", "<nil> 1")) 354 result = tk.MustQuery("SELECT sex, BIT_XOR(id) OVER (ORDER BY id DESC RANGE BETWEEN 1 PRECEDING and 2 FOLLOWING) FROM t;") 355 result.Check(testkit.Events("<nil> 1", "<nil> 1", "M 2", "F 0", "F 4", "F 0", "M 3")) 356 357 // MIN ROWS 358 result = tk.MustQuery("SELECT sex, MIN(id) OVER (ORDER BY id ROWS BETWEEN 1 FOLLOWING and 2 FOLLOWING) FROM t;") 359 result.Check(testkit.Events("M 2", "F 3", "F 4", "F 5", "M 10", "<nil> 11", "<nil> <nil>")) 360 result = tk.MustQuery("SELECT sex, MIN(id) OVER (ORDER BY id ROWS BETWEEN 3 FOLLOWING and 1 FOLLOWING) FROM t;") 361 result.Check(testkit.Events("M <nil>", "F <nil>", "F <nil>", "F <nil>", "M <nil>", "<nil> <nil>", "<nil> <nil>")) 362 result = tk.MustQuery("SELECT sex, MIN(id) OVER (ORDER BY id ROWS BETWEEN 2 PRECEDING and 1 PRECEDING) FROM t;") 363 result.Check(testkit.Events("M <nil>", "F 1", "F 1", "F 2", "M 3", "<nil> 4", "<nil> 5")) 364 result = tk.MustQuery("SELECT sex, MIN(id) OVER (ORDER BY id ROWS BETWEEN 1 PRECEDING and 3 PRECEDING) FROM t;") 365 result.Check(testkit.Events("M <nil>", "F <nil>", "F <nil>", "F <nil>", "M <nil>", "<nil> <nil>", "<nil> <nil>")) 366 result = tk.MustQuery("SELECT sex, MIN(id) OVER (ORDER BY id ROWS BETWEEN UNBOUNDED PRECEDING and 1 FOLLOWING) FROM t;") 367 result.Check(testkit.Events("M 1", "F 1", "F 1", "F 1", "M 1", "<nil> 1", "<nil> 1")) 368 369 // MIN RANGE 370 result = tk.MustQuery("SELECT sex, MIN(id) OVER (ORDER BY id RANGE BETWEEN 1 FOLLOWING and 2 FOLLOWING) FROM t;") 371 result.Check(testkit.Events("M 2", "F 3", "F 4", "F 5", "M <nil>", "<nil> 11", "<nil> <nil>")) 372 result = tk.MustQuery("SELECT sex, MIN(id) OVER (ORDER BY id RANGE BETWEEN 3 FOLLOWING and 1 FOLLOWING) FROM t;") 373 result.Check(testkit.Events("M <nil>", "F <nil>", "F <nil>", "F <nil>", "M <nil>", "<nil> <nil>", "<nil> <nil>")) 374 result = tk.MustQuery("SELECT sex, MIN(id) OVER (ORDER BY id RANGE BETWEEN 2 PRECEDING and 1 PRECEDING) FROM t;") 375 result.Check(testkit.Events("M <nil>", "F 1", "F 1", "F 2", "M 3", "<nil> <nil>", "<nil> 10")) 376 result = tk.MustQuery("SELECT sex, MIN(id) OVER (ORDER BY id RANGE BETWEEN 1 PRECEDING and 2 FOLLOWING) FROM t;") 377 result.Check(testkit.Events("M 1", "F 1", "F 2", "F 3", "M 4", "<nil> 10", "<nil> 10")) 378 result = tk.MustQuery("SELECT sex, MIN(id) OVER (ORDER BY id DESC RANGE BETWEEN 1 PRECEDING and 2 FOLLOWING) FROM t;") 379 result.Check(testkit.Events("<nil> 10", "<nil> 10", "M 3", "F 2", "F 1", "F 1", "M 1")) 380 381 // MAX ROWS 382 result = tk.MustQuery("SELECT sex, MAX(id) OVER (ORDER BY id ROWS BETWEEN 1 FOLLOWING and 2 FOLLOWING) FROM t;") 383 result.Check(testkit.Events("M 3", "F 4", "F 5", "F 10", "M 11", "<nil> 11", "<nil> <nil>")) 384 result = tk.MustQuery("SELECT sex, MAX(id) OVER (ORDER BY id ROWS BETWEEN 3 FOLLOWING and 1 FOLLOWING) FROM t;") 385 result.Check(testkit.Events("M <nil>", "F <nil>", "F <nil>", "F <nil>", "M <nil>", "<nil> <nil>", "<nil> <nil>")) 386 result = tk.MustQuery("SELECT sex, MAX(id) OVER (ORDER BY id ROWS BETWEEN 2 PRECEDING and 1 PRECEDING) FROM t;") 387 result.Check(testkit.Events("M <nil>", "F 1", "F 2", "F 3", "M 4", "<nil> 5", "<nil> 10")) 388 result = tk.MustQuery("SELECT sex, MAX(id) OVER (ORDER BY id ROWS BETWEEN 1 PRECEDING and 3 PRECEDING) FROM t;") 389 result.Check(testkit.Events("M <nil>", "F <nil>", "F <nil>", "F <nil>", "M <nil>", "<nil> <nil>", "<nil> <nil>")) 390 result = tk.MustQuery("SELECT sex, MAX(id) OVER (ORDER BY id ROWS BETWEEN UNBOUNDED PRECEDING and 1 FOLLOWING) FROM t;") 391 result.Check(testkit.Events("M 2", "F 3", "F 4", "F 5", "M 10", "<nil> 11", "<nil> 11")) 392 393 // MAX RANGE 394 result = tk.MustQuery("SELECT sex, MAX(id) OVER (ORDER BY id RANGE BETWEEN 1 FOLLOWING and 2 FOLLOWING) FROM t;") 395 result.Check(testkit.Events("M 3", "F 4", "F 5", "F 5", "M <nil>", "<nil> 11", "<nil> <nil>")) 396 result = tk.MustQuery("SELECT sex, MAX(id) OVER (ORDER BY id RANGE BETWEEN 3 FOLLOWING and 1 FOLLOWING) FROM t;") 397 result.Check(testkit.Events("M <nil>", "F <nil>", "F <nil>", "F <nil>", "M <nil>", "<nil> <nil>", "<nil> <nil>")) 398 result = tk.MustQuery("SELECT sex, MAX(id) OVER (ORDER BY id RANGE BETWEEN 2 PRECEDING and 1 PRECEDING) FROM t;") 399 result.Check(testkit.Events("M <nil>", "F 1", "F 2", "F 3", "M 4", "<nil> <nil>", "<nil> 10")) 400 result = tk.MustQuery("SELECT sex, MAX(id) OVER (ORDER BY id RANGE BETWEEN 1 PRECEDING and 2 FOLLOWING) FROM t;") 401 result.Check(testkit.Events("M 3", "F 4", "F 5", "F 5", "M 5", "<nil> 11", "<nil> 11")) 402 result = tk.MustQuery("SELECT sex, MAX(id) OVER (ORDER BY id DESC RANGE BETWEEN 1 PRECEDING and 2 FOLLOWING) FROM t;") 403 result.Check(testkit.Events("<nil> 11", "<nil> 11", "M 5", "F 5", "F 4", "F 3", "M 2")) 404 }