|
| 1 | +CREATE TABLE atsts (id int, t tsvector, d timestamp); |
| 2 | +\copy atsts from 'data/tsts.data' |
| 3 | +CREATE INDEX atsts_idx ON atsts USING rum (t rum_tsvector_timestamp_ops, d) |
| 4 | +WITH (attach = 'd', to = 't', order_by_attach='t'); |
| 5 | +ERROR: currently, RUM doesn't support order by over pass-by-reference column |
| 6 | +INSERT INTO atsts VALUES (-1, 't1 t2', '2016-05-02 02:24:22.326724'); |
| 7 | +INSERT INTO atsts VALUES (-2, 't1 t2 t3', '2016-05-02 02:26:22.326724'); |
| 8 | +SELECT count(*) FROM atsts WHERE t @@ 'wr|qh'; |
| 9 | + count |
| 10 | +------- |
| 11 | + 158 |
| 12 | +(1 row) |
| 13 | + |
| 14 | +SELECT count(*) FROM atsts WHERE t @@ 'wr&qh'; |
| 15 | + count |
| 16 | +------- |
| 17 | + 17 |
| 18 | +(1 row) |
| 19 | + |
| 20 | +SELECT count(*) FROM atsts WHERE t @@ 'eq&yt'; |
| 21 | + count |
| 22 | +------- |
| 23 | + 6 |
| 24 | +(1 row) |
| 25 | + |
| 26 | +SELECT count(*) FROM atsts WHERE t @@ 'eq|yt'; |
| 27 | + count |
| 28 | +------- |
| 29 | + 98 |
| 30 | +(1 row) |
| 31 | + |
| 32 | +SELECT count(*) FROM atsts WHERE t @@ '(eq&yt)|(wr&qh)'; |
| 33 | + count |
| 34 | +------- |
| 35 | + 23 |
| 36 | +(1 row) |
| 37 | + |
| 38 | +SELECT count(*) FROM atsts WHERE t @@ '(eq|yt)&(wr|qh)'; |
| 39 | + count |
| 40 | +------- |
| 41 | + 39 |
| 42 | +(1 row) |
| 43 | + |
| 44 | +SET enable_indexscan=OFF; |
| 45 | +SET enable_indexonlyscan=OFF; |
| 46 | +SET enable_bitmapscan=OFF; |
| 47 | +SELECT id, d, d <=> '2016-05-16 14:21:25' FROM atsts WHERE t @@ 'wr&qh' ORDER BY d <=> '2016-05-16 14:21:25' LIMIT 5; |
| 48 | + id | d | ?column? |
| 49 | +-----+---------------------------------+--------------- |
| 50 | + 355 | Mon May 16 14:21:22.326724 2016 | 2.673276 |
| 51 | + 354 | Mon May 16 13:21:22.326724 2016 | 3602.673276 |
| 52 | + 371 | Tue May 17 06:21:22.326724 2016 | 57597.326724 |
| 53 | + 406 | Wed May 18 17:21:22.326724 2016 | 183597.326724 |
| 54 | + 415 | Thu May 19 02:21:22.326724 2016 | 215997.326724 |
| 55 | +(5 rows) |
| 56 | + |
| 57 | +SELECT id, d, d <=| '2016-05-16 14:21:25' FROM atsts WHERE t @@ 'wr&qh' ORDER BY d <=| '2016-05-16 14:21:25' LIMIT 5; |
| 58 | + id | d | ?column? |
| 59 | +-----+---------------------------------+--------------- |
| 60 | + 355 | Mon May 16 14:21:22.326724 2016 | 2.673276 |
| 61 | + 354 | Mon May 16 13:21:22.326724 2016 | 3602.673276 |
| 62 | + 252 | Thu May 12 07:21:22.326724 2016 | 370802.673276 |
| 63 | + 232 | Wed May 11 11:21:22.326724 2016 | 442802.673276 |
| 64 | + 168 | Sun May 08 19:21:22.326724 2016 | 673202.673276 |
| 65 | +(5 rows) |
| 66 | + |
| 67 | +SELECT id, d, d |=> '2016-05-16 14:21:25' FROM atsts WHERE t @@ 'wr&qh' ORDER BY d |=> '2016-05-16 14:21:25' LIMIT 5; |
| 68 | + id | d | ?column? |
| 69 | +-----+---------------------------------+--------------- |
| 70 | + 371 | Tue May 17 06:21:22.326724 2016 | 57597.326724 |
| 71 | + 406 | Wed May 18 17:21:22.326724 2016 | 183597.326724 |
| 72 | + 415 | Thu May 19 02:21:22.326724 2016 | 215997.326724 |
| 73 | + 428 | Thu May 19 15:21:22.326724 2016 | 262797.326724 |
| 74 | + 457 | Fri May 20 20:21:22.326724 2016 | 367197.326724 |
| 75 | +(5 rows) |
| 76 | + |
| 77 | +SELECT count(*) FROM atsts WHERE d < '2016-05-16 14:21:25'; |
| 78 | + count |
| 79 | +------- |
| 80 | + 357 |
| 81 | +(1 row) |
| 82 | + |
| 83 | +SELECT count(*) FROM atsts WHERE d > '2016-05-16 14:21:25'; |
| 84 | + count |
| 85 | +------- |
| 86 | + 153 |
| 87 | +(1 row) |
| 88 | + |
| 89 | +SELECT id, d FROM atsts WHERE t @@ 'wr&qh' AND d <= '2016-05-16 14:21:25' ORDER BY d; |
| 90 | + id | d |
| 91 | +-----+--------------------------------- |
| 92 | + 16 | Mon May 02 11:21:22.326724 2016 |
| 93 | + 39 | Tue May 03 10:21:22.326724 2016 |
| 94 | + 71 | Wed May 04 18:21:22.326724 2016 |
| 95 | + 135 | Sat May 07 10:21:22.326724 2016 |
| 96 | + 168 | Sun May 08 19:21:22.326724 2016 |
| 97 | + 232 | Wed May 11 11:21:22.326724 2016 |
| 98 | + 252 | Thu May 12 07:21:22.326724 2016 |
| 99 | + 354 | Mon May 16 13:21:22.326724 2016 |
| 100 | + 355 | Mon May 16 14:21:22.326724 2016 |
| 101 | +(9 rows) |
| 102 | + |
| 103 | +SELECT id, d FROM atsts WHERE t @@ 'wr&qh' AND d >= '2016-05-16 14:21:25' ORDER BY d; |
| 104 | + id | d |
| 105 | +-----+--------------------------------- |
| 106 | + 371 | Tue May 17 06:21:22.326724 2016 |
| 107 | + 406 | Wed May 18 17:21:22.326724 2016 |
| 108 | + 415 | Thu May 19 02:21:22.326724 2016 |
| 109 | + 428 | Thu May 19 15:21:22.326724 2016 |
| 110 | + 457 | Fri May 20 20:21:22.326724 2016 |
| 111 | + 458 | Fri May 20 21:21:22.326724 2016 |
| 112 | + 484 | Sat May 21 23:21:22.326724 2016 |
| 113 | + 496 | Sun May 22 11:21:22.326724 2016 |
| 114 | +(8 rows) |
| 115 | + |
| 116 | +RESET enable_indexscan; |
| 117 | +RESET enable_indexonlyscan; |
| 118 | +RESET enable_bitmapscan; |
| 119 | +SET enable_seqscan = off; |
| 120 | +EXPLAIN (costs off) |
| 121 | +SELECT count(*) FROM atsts WHERE t @@ 'wr|qh'; |
| 122 | + QUERY PLAN |
| 123 | +--------------------------------------------------- |
| 124 | + Aggregate |
| 125 | + -> Seq Scan on atsts |
| 126 | + Filter: (t @@ '''wr'' | ''qh'''::tsquery) |
| 127 | +(3 rows) |
| 128 | + |
| 129 | +SELECT count(*) FROM atsts WHERE t @@ 'wr|qh'; |
| 130 | + count |
| 131 | +------- |
| 132 | + 158 |
| 133 | +(1 row) |
| 134 | + |
| 135 | +SELECT count(*) FROM atsts WHERE t @@ 'wr&qh'; |
| 136 | + count |
| 137 | +------- |
| 138 | + 17 |
| 139 | +(1 row) |
| 140 | + |
| 141 | +SELECT count(*) FROM atsts WHERE t @@ 'eq&yt'; |
| 142 | + count |
| 143 | +------- |
| 144 | + 6 |
| 145 | +(1 row) |
| 146 | + |
| 147 | +SELECT count(*) FROM atsts WHERE t @@ 'eq|yt'; |
| 148 | + count |
| 149 | +------- |
| 150 | + 98 |
| 151 | +(1 row) |
| 152 | + |
| 153 | +SELECT count(*) FROM atsts WHERE t @@ '(eq&yt)|(wr&qh)'; |
| 154 | + count |
| 155 | +------- |
| 156 | + 23 |
| 157 | +(1 row) |
| 158 | + |
| 159 | +SELECT count(*) FROM atsts WHERE t @@ '(eq|yt)&(wr|qh)'; |
| 160 | + count |
| 161 | +------- |
| 162 | + 39 |
| 163 | +(1 row) |
| 164 | + |
| 165 | +EXPLAIN (costs off) |
| 166 | +SELECT count(*) FROM atsts WHERE d < '2016-05-16 14:21:25'; |
| 167 | + QUERY PLAN |
| 168 | +------------------------------------------------------------------------------- |
| 169 | + Aggregate |
| 170 | + -> Seq Scan on atsts |
| 171 | + Filter: (d < 'Mon May 16 14:21:25 2016'::timestamp without time zone) |
| 172 | +(3 rows) |
| 173 | + |
| 174 | +SELECT count(*) FROM atsts WHERE d < '2016-05-16 14:21:25'; |
| 175 | + count |
| 176 | +------- |
| 177 | + 357 |
| 178 | +(1 row) |
| 179 | + |
| 180 | +EXPLAIN (costs off) |
| 181 | +SELECT count(*) FROM atsts WHERE d > '2016-05-16 14:21:25'; |
| 182 | + QUERY PLAN |
| 183 | +------------------------------------------------------------------------------- |
| 184 | + Aggregate |
| 185 | + -> Seq Scan on atsts |
| 186 | + Filter: (d > 'Mon May 16 14:21:25 2016'::timestamp without time zone) |
| 187 | +(3 rows) |
| 188 | + |
| 189 | +SELECT count(*) FROM atsts WHERE d > '2016-05-16 14:21:25'; |
| 190 | + count |
| 191 | +------- |
| 192 | + 153 |
| 193 | +(1 row) |
| 194 | + |
| 195 | +EXPLAIN (costs off) |
| 196 | +SELECT id, d, d <=> '2016-05-16 14:21:25' FROM atsts WHERE t @@ 'wr&qh' ORDER BY d <=> '2016-05-16 14:21:25' LIMIT 5; |
| 197 | + QUERY PLAN |
| 198 | +------------------------------------------------------------------------------------- |
| 199 | + Limit |
| 200 | + -> Sort |
| 201 | + Sort Key: ((d <=> 'Mon May 16 14:21:25 2016'::timestamp without time zone)) |
| 202 | + -> Seq Scan on atsts |
| 203 | + Filter: (t @@ '''wr'' & ''qh'''::tsquery) |
| 204 | +(5 rows) |
| 205 | + |
| 206 | +SELECT id, d, d <=> '2016-05-16 14:21:25' FROM atsts WHERE t @@ 'wr&qh' ORDER BY d <=> '2016-05-16 14:21:25' LIMIT 5; |
| 207 | + id | d | ?column? |
| 208 | +-----+---------------------------------+--------------- |
| 209 | + 355 | Mon May 16 14:21:22.326724 2016 | 2.673276 |
| 210 | + 354 | Mon May 16 13:21:22.326724 2016 | 3602.673276 |
| 211 | + 371 | Tue May 17 06:21:22.326724 2016 | 57597.326724 |
| 212 | + 406 | Wed May 18 17:21:22.326724 2016 | 183597.326724 |
| 213 | + 415 | Thu May 19 02:21:22.326724 2016 | 215997.326724 |
| 214 | +(5 rows) |
| 215 | + |
| 216 | +EXPLAIN (costs off) |
| 217 | +SELECT id, d, d <=| '2016-05-16 14:21:25' FROM atsts WHERE t @@ 'wr&qh' ORDER BY d <=| '2016-05-16 14:21:25' LIMIT 5; |
| 218 | + QUERY PLAN |
| 219 | +------------------------------------------------------------------------------------- |
| 220 | + Limit |
| 221 | + -> Sort |
| 222 | + Sort Key: ((d <=| 'Mon May 16 14:21:25 2016'::timestamp without time zone)) |
| 223 | + -> Seq Scan on atsts |
| 224 | + Filter: (t @@ '''wr'' & ''qh'''::tsquery) |
| 225 | +(5 rows) |
| 226 | + |
| 227 | +SELECT id, d, d <=| '2016-05-16 14:21:25' FROM atsts WHERE t @@ 'wr&qh' ORDER BY d <=| '2016-05-16 14:21:25' LIMIT 5; |
| 228 | + id | d | ?column? |
| 229 | +-----+---------------------------------+--------------- |
| 230 | + 355 | Mon May 16 14:21:22.326724 2016 | 2.673276 |
| 231 | + 354 | Mon May 16 13:21:22.326724 2016 | 3602.673276 |
| 232 | + 252 | Thu May 12 07:21:22.326724 2016 | 370802.673276 |
| 233 | + 232 | Wed May 11 11:21:22.326724 2016 | 442802.673276 |
| 234 | + 168 | Sun May 08 19:21:22.326724 2016 | 673202.673276 |
| 235 | +(5 rows) |
| 236 | + |
| 237 | +EXPLAIN (costs off) |
| 238 | +SELECT id, d, d |=> '2016-05-16 14:21:25' FROM atsts WHERE t @@ 'wr&qh' ORDER BY d |=> '2016-05-16 14:21:25' LIMIT 5; |
| 239 | + QUERY PLAN |
| 240 | +------------------------------------------------------------------------------------- |
| 241 | + Limit |
| 242 | + -> Sort |
| 243 | + Sort Key: ((d |=> 'Mon May 16 14:21:25 2016'::timestamp without time zone)) |
| 244 | + -> Seq Scan on atsts |
| 245 | + Filter: (t @@ '''wr'' & ''qh'''::tsquery) |
| 246 | +(5 rows) |
| 247 | + |
| 248 | +SELECT id, d, d |=> '2016-05-16 14:21:25' FROM atsts WHERE t @@ 'wr&qh' ORDER BY d |=> '2016-05-16 14:21:25' LIMIT 5; |
| 249 | + id | d | ?column? |
| 250 | +-----+---------------------------------+--------------- |
| 251 | + 371 | Tue May 17 06:21:22.326724 2016 | 57597.326724 |
| 252 | + 406 | Wed May 18 17:21:22.326724 2016 | 183597.326724 |
| 253 | + 415 | Thu May 19 02:21:22.326724 2016 | 215997.326724 |
| 254 | + 428 | Thu May 19 15:21:22.326724 2016 | 262797.326724 |
| 255 | + 457 | Fri May 20 20:21:22.326724 2016 | 367197.326724 |
| 256 | +(5 rows) |
| 257 | + |
| 258 | +EXPLAIN (costs off) |
| 259 | +SELECT id, d, d <=> '2016-05-16 14:21:25' FROM atsts ORDER BY d <=> '2016-05-16 14:21:25' LIMIT 5; |
| 260 | + QUERY PLAN |
| 261 | +------------------------------------------------------------------------------------- |
| 262 | + Limit |
| 263 | + -> Sort |
| 264 | + Sort Key: ((d <=> 'Mon May 16 14:21:25 2016'::timestamp without time zone)) |
| 265 | + -> Seq Scan on atsts |
| 266 | +(4 rows) |
| 267 | + |
| 268 | +SELECT id, d, d <=> '2016-05-16 14:21:25' FROM atsts ORDER BY d <=> '2016-05-16 14:21:25' LIMIT 5; |
| 269 | + id | d | ?column? |
| 270 | +-----+---------------------------------+------------- |
| 271 | + 355 | Mon May 16 14:21:22.326724 2016 | 2.673276 |
| 272 | + 356 | Mon May 16 15:21:22.326724 2016 | 3597.326724 |
| 273 | + 354 | Mon May 16 13:21:22.326724 2016 | 3602.673276 |
| 274 | + 357 | Mon May 16 16:21:22.326724 2016 | 7197.326724 |
| 275 | + 353 | Mon May 16 12:21:22.326724 2016 | 7202.673276 |
| 276 | +(5 rows) |
| 277 | + |
| 278 | +EXPLAIN (costs off) |
| 279 | +SELECT id, d FROM atsts WHERE t @@ 'wr&qh' AND d <= '2016-05-16 14:21:25' ORDER BY d; |
| 280 | + QUERY PLAN |
| 281 | +------------------------------------------------------------------------------------------------------------------------ |
| 282 | + Sort |
| 283 | + Sort Key: d |
| 284 | + -> Seq Scan on atsts |
| 285 | + Filter: ((t @@ '''wr'' & ''qh'''::tsquery) AND (d <= 'Mon May 16 14:21:25 2016'::timestamp without time zone)) |
| 286 | +(4 rows) |
| 287 | + |
| 288 | +SELECT id, d FROM atsts WHERE t @@ 'wr&qh' AND d <= '2016-05-16 14:21:25' ORDER BY d; |
| 289 | + id | d |
| 290 | +-----+--------------------------------- |
| 291 | + 16 | Mon May 02 11:21:22.326724 2016 |
| 292 | + 39 | Tue May 03 10:21:22.326724 2016 |
| 293 | + 71 | Wed May 04 18:21:22.326724 2016 |
| 294 | + 135 | Sat May 07 10:21:22.326724 2016 |
| 295 | + 168 | Sun May 08 19:21:22.326724 2016 |
| 296 | + 232 | Wed May 11 11:21:22.326724 2016 |
| 297 | + 252 | Thu May 12 07:21:22.326724 2016 |
| 298 | + 354 | Mon May 16 13:21:22.326724 2016 |
| 299 | + 355 | Mon May 16 14:21:22.326724 2016 |
| 300 | +(9 rows) |
| 301 | + |
| 302 | +EXPLAIN (costs off) |
| 303 | +SELECT id, d FROM atsts WHERE t @@ 'wr&qh' AND d >= '2016-05-16 14:21:25' ORDER BY d; |
| 304 | + QUERY PLAN |
| 305 | +------------------------------------------------------------------------------------------------------------------------ |
| 306 | + Sort |
| 307 | + Sort Key: d |
| 308 | + -> Seq Scan on atsts |
| 309 | + Filter: ((t @@ '''wr'' & ''qh'''::tsquery) AND (d >= 'Mon May 16 14:21:25 2016'::timestamp without time zone)) |
| 310 | +(4 rows) |
| 311 | + |
| 312 | +SELECT id, d FROM atsts WHERE t @@ 'wr&qh' AND d >= '2016-05-16 14:21:25' ORDER BY d; |
| 313 | + id | d |
| 314 | +-----+--------------------------------- |
| 315 | + 371 | Tue May 17 06:21:22.326724 2016 |
| 316 | + 406 | Wed May 18 17:21:22.326724 2016 |
| 317 | + 415 | Thu May 19 02:21:22.326724 2016 |
| 318 | + 428 | Thu May 19 15:21:22.326724 2016 |
| 319 | + 457 | Fri May 20 20:21:22.326724 2016 |
| 320 | + 458 | Fri May 20 21:21:22.326724 2016 |
| 321 | + 484 | Sat May 21 23:21:22.326724 2016 |
| 322 | + 496 | Sun May 22 11:21:22.326724 2016 |
| 323 | +(8 rows) |
| 324 | + |
