15 KiB
15 KiB
| 1 | taos> select POSITION('北' IN '北京涛思') |
|---|---|
| 2 | position('北' in '北京涛思') | |
| 3 | ==================================== |
| 4 | 1 | |
| 5 | taos> select POSITION('涛思' IN '北京涛思') |
| 6 | position('涛思' in '北京涛思') | |
| 7 | ======================================= |
| 8 | 3 | |
| 9 | taos> select POSITION('a' IN 'abcd') |
| 10 | position('a' in 'abcd') | |
| 11 | ========================== |
| 12 | 1 | |
| 13 | taos> select POSITION('e' IN 'abcd') |
| 14 | position('e' in 'abcd') | |
| 15 | ========================== |
| 16 | 0 | |
| 17 | ========================================================= |
| 18 | 14 | |
| 19 | ========================================================= |
| 20 | 0 | |
| 21 | ======================================================== |
| 22 | 7 | |
| 23 | taos> select POSITION('aaa' IN 'aaaaaaaaa') |
| 24 | position('aaa' in 'aaaaaaaaa') | |
| 25 | ================================= |
| 26 | 1 | |
| 27 | ============================================================= |
| 28 | 1 | |
| 29 | ============================================================= |
| 30 | 0 | |
| 31 | taos> select POSITION(nch2 IN nch1) from ts_4893.meters where POSITION(nch2 IN nch1) != 0 order by ts limit 5 |
| 32 | position(nch2 in nch1) | |
| 33 | ========================= |
| 34 | 4 | |
| 35 | 2 | |
| 36 | 5 | |
| 37 | 4 | |
| 38 | 2 | |
| 39 | taos> select POSITION(nch2 IN nch1) from ts_4893.meters order by ts limit 5 |
| 40 | position(nch2 in nch1) | |
| 41 | ========================= |
| 42 | 0 | |
| 43 | 0 | |
| 44 | 0 | |
| 45 | 0 | |
| 46 | 4 | |
| 47 | taos> select POSITION(var2 IN var1) from ts_4893.meters where POSITION(var2 IN var1) != 0 order by ts limit 5 |
| 48 | position(var2 in var1) | |
| 49 | ========================= |
| 50 | 4 | |
| 51 | 5 | |
| 52 | 4 | |
| 53 | 1 | |
| 54 | 3 | |
| 55 | taos> select POSITION(var2 IN var1) from ts_4893.meters order by ts limit 5 |
| 56 | position(var2 in var1) | |
| 57 | ========================= |
| 58 | 4 | |
| 59 | 0 | |
| 60 | 0 | |
| 61 | 5 | |
| 62 | 0 | |
| 63 | taos> select POSITION(var2 IN nch1) from ts_4893.meters where POSITION(var2 IN nch1) != 0 order by ts limit 5 |
| 64 | position(var2 in nch1) | |
| 65 | ========================= |
| 66 | 4 | |
| 67 | 4 | |
| 68 | 1 | |
| 69 | 1 | |
| 70 | 3 | |
| 71 | taos> select POSITION(var2 IN nch1) from ts_4893.meters order by ts limit 5 |
| 72 | position(var2 in nch1) | |
| 73 | ========================= |
| 74 | 4 | |
| 75 | 0 | |
| 76 | 0 | |
| 77 | 0 | |
| 78 | 0 | |
| 79 | taos> select POSITION(nch2 IN var1) from ts_4893.meters where POSITION(nch2 IN var1) != 0 order by ts limit 5 |
| 80 | position(nch2 in var1) | |
| 81 | ========================= |
| 82 | 3 | |
| 83 | 2 | |
| 84 | 1 | |
| 85 | 4 | |
| 86 | 3 | |
| 87 | taos> select POSITION(nch2 IN var1) from ts_4893.meters order by ts limit 5 |
| 88 | position(nch2 in var1) | |
| 89 | ========================= |
| 90 | 0 | |
| 91 | 0 | |
| 92 | 0 | |
| 93 | 0 | |
| 94 | 0 | |
| 95 | taos> select POSITION('a' IN nch1) from ts_4893.meters where POSITION('a' IN nch1) != 0 order by ts limit 5 |
| 96 | position('a' in nch1) | |
| 97 | ======================== |
| 98 | 4 | |
| 99 | 1 | |
| 100 | 1 | |
| 101 | 3 | |
| 102 | 1 | |
| 103 | taos> select POSITION('a' IN var1) from ts_4893.meters where POSITION('a' IN var1) != 0 order by ts limit 5 |
| 104 | position('a' in var1) | |
| 105 | ======================== |
| 106 | 3 | |
| 107 | 4 | |
| 108 | 3 | |
| 109 | 4 | |
| 110 | 4 | |
| 111 | taos> select POSITION('一' IN nch1) from ts_4893.meters where POSITION('一' IN nch1) != 0 order by ts limit 5 |
| 112 | position('一' in nch1) | |
| 113 | ========================== |
| 114 | 1 | |
| 115 | 1 | |
| 116 | 4 | |
| 117 | 1 | |
| 118 | 1 | |
| 119 | taos> select POSITION('一' IN var1) from ts_4893.meters where POSITION('一' IN var1) != 0 order by ts limit 5 |
| 120 | position('一' in var1) | |
| 121 | ========================== |
| 122 | 1 | |
| 123 | 1 | |
| 124 | 4 | |
| 125 | 1 | |
| 126 | 1 | |
| 127 | taos> select POSITION(nch2 IN 'abcdefghijklmn') from ts_4893.meters where POSITION(nch2 IN 'abcdefghijklmn') != 0 order by ts limit 5 |
| 128 | position(nch2 in 'abcdefghijklmn') | |
| 129 | ===================================== |
| 130 | 6 | |
| 131 | 3 | |
| 132 | 5 | |
| 133 | 5 | |
| 134 | 4 | |
| 135 | taos> select POSITION(var2 IN 'abcdefghijklmn') from ts_4893.meters where POSITION(var2 IN 'abcdefghijklmn') != 0 order by ts limit 5 |
| 136 | position(var2 in 'abcdefghijklmn') | |
| 137 | ===================================== |
| 138 | 5 | |
| 139 | 5 | |
| 140 | 2 | |
| 141 | 7 | |
| 142 | 2 | |
| 143 | taos> select POSITION(nch2 IN '一二三四五六七八九十') from ts_4893.meters where POSITION(nch2 IN '一二三四五六七八九十') != 0 order by ts limit 5 |
| 144 | position(nch2 in '一二三四五六七八九十') | |
| 145 | ===================================================== |
| 146 | 4 | |
| 147 | 1 | |
| 148 | 1 | |
| 149 | 4 | |
| 150 | 1 | |
| 151 | taos> select POSITION(var2 IN '一二三四五六七八九十') from ts_4893.meters where POSITION(var2 IN '一二三四五六七八九十') != 0 order by ts limit 5 |
| 152 | position(var2 in '一二三四五六七八九十') | |
| 153 | ===================================================== |
| 154 | 4 | |
| 155 | 1 | |
| 156 | 4 | |
| 157 | 4 | |
| 158 | 1 | |
| 159 | taos> select ABS(POSITION('aaa' IN 'aaaaaaaaa')) |
| 160 | abs(position('aaa' in 'aaaaaaaaa')) | |
| 161 | ====================================== |
| 162 | 1 | |
| 163 | ========================================= |
| 164 | 1.000000000000000e+00 | |
| 165 | taos> select position('t' in 'taos') |
| 166 | position('t' in 'taos') | |
| 167 | ========================== |
| 168 | 1 | |
| 169 | taos> select position('ustc' in 'taos') |
| 170 | position('ustc' in 'taos') | |
| 171 | ============================= |
| 172 | 0 | |
| 173 | taos> select position('' in '') |
| 174 | position('' in '') | |
| 175 | ======================== |
| 176 | 1 | |
| 177 | taos> select position('' in 'taos') |
| 178 | position('' in 'taos') | |
| 179 | ========================= |
| 180 | 1 | |
| 181 | taos> select position(nch2 in nch1) from ts_4893.d0 order by ts limit 10 |
| 182 | position(nch2 in nch1) | |
| 183 | ========================= |
| 184 | 0 | |
| 185 | 0 | |
| 186 | 0 | |
| 187 | 0 | |
| 188 | 4 | |
| 189 | 0 | |
| 190 | 0 | |
| 191 | 0 | |
| 192 | 0 | |
| 193 | 0 | |
| 194 | taos> select position(nch2 in nch1) from ts_4893.meters order by ts limit 10 |
| 195 | position(nch2 in nch1) | |
| 196 | ========================= |
| 197 | 0 | |
| 198 | 0 | |
| 199 | 0 | |
| 200 | 0 | |
| 201 | 4 | |
| 202 | 0 | |
| 203 | 0 | |
| 204 | 0 | |
| 205 | 0 | |
| 206 | 0 | |
| 207 | taos> select position(nch2 in var1) from ts_4893.d0 order by ts limit 10 |
| 208 | position(nch2 in var1) | |
| 209 | ========================= |
| 210 | 0 | |
| 211 | 0 | |
| 212 | 0 | |
| 213 | 0 | |
| 214 | 0 | |
| 215 | 0 | |
| 216 | 0 | |
| 217 | 0 | |
| 218 | 0 | |
| 219 | 0 | |
| 220 | taos> select position(nch2 in var1) from ts_4893.meters order by ts limit 10 |
| 221 | position(nch2 in var1) | |
| 222 | ========================= |
| 223 | 0 | |
| 224 | 0 | |
| 225 | 0 | |
| 226 | 0 | |
| 227 | 0 | |
| 228 | 0 | |
| 229 | 0 | |
| 230 | 0 | |
| 231 | 0 | |
| 232 | 0 | |
| 233 | taos> select position(var2 in nch1) from ts_4893.d0 order by ts limit 10 |
| 234 | position(var2 in nch1) | |
| 235 | ========================= |
| 236 | 4 | |
| 237 | 0 | |
| 238 | 0 | |
| 239 | 0 | |
| 240 | 0 | |
| 241 | 0 | |
| 242 | 0 | |
| 243 | 0 | |
| 244 | 4 | |
| 245 | 0 | |
| 246 | taos> select position(var2 in nch1) from ts_4893.meters order by ts limit 10 |
| 247 | position(var2 in nch1) | |
| 248 | ========================= |
| 249 | 4 | |
| 250 | 0 | |
| 251 | 0 | |
| 252 | 0 | |
| 253 | 0 | |
| 254 | 0 | |
| 255 | 0 | |
| 256 | 0 | |
| 257 | 4 | |
| 258 | 0 | |
| 259 | taos> select position(var2 in var1) from ts_4893.d0 order by ts limit 10 |
| 260 | position(var2 in var1) | |
| 261 | ========================= |
| 262 | 4 | |
| 263 | 0 | |
| 264 | 0 | |
| 265 | 5 | |
| 266 | 0 | |
| 267 | 0 | |
| 268 | 0 | |
| 269 | 0 | |
| 270 | 0 | |
| 271 | 0 | |
| 272 | taos> select position(var2 in var1) from ts_4893.meters order by ts limit 10 |
| 273 | position(var2 in var1) | |
| 274 | ========================= |
| 275 | 4 | |
| 276 | 0 | |
| 277 | 0 | |
| 278 | 5 | |
| 279 | 0 | |
| 280 | 0 | |
| 281 | 0 | |
| 282 | 0 | |
| 283 | 0 | |
| 284 | 0 | |
| 285 | taos> select position('t' in null) |
| 286 | position('t' in null) | |
| 287 | ======================== |
| 288 | NULL | |
| 289 | taos> select position(null in 'taos') |
| 290 | position(null in 'taos') | |
| 291 | =========================== |
| 292 | NULL | |
| 293 | taos> select position('' in 'A') |
| 294 | position('' in 'A') | |
| 295 | ======================== |
| 296 | 1 | |
| 297 | taos> select position('A' in 'A') |
| 298 | position('A' in 'A') | |
| 299 | ======================== |
| 300 | 1 | |
| 301 | taos> select position('A' in '') |
| 302 | position('A' in '') | |
| 303 | ======================== |
| 304 | 0 | |
| 305 | taos> select position('A' in null) |
| 306 | position('A' in null) | |
| 307 | ======================== |
| 308 | NULL | |
| 309 | taos> select position('Z' in 'ABC') |
| 310 | position('Z' in 'ABC') | |
| 311 | ========================= |
| 312 | 0 | |
| 313 | taos> select position('l' in 'Hello') |
| 314 | position('l' in 'Hello') | |
| 315 | =========================== |
| 316 | 3 | |
| 317 | taos> select position('s' in 'meters') |
| 318 | position('s' in 'meters') | |
| 319 | ============================ |
| 320 | 6 | |
| 321 | taos> select position('中' in '中国') |
| 322 | position('中' in '中国') | |
| 323 | ============================== |
| 324 | 1 | |
| 325 | taos> select position('e' in 'é') |
| 326 | position('e' in 'é') | |
| 327 | ======================== |
| 328 | 0 | |
| 329 | taos> select position('W' in 'Hello World') |
| 330 | position('W' in 'Hello World') | |
| 331 | ================================= |
| 332 | 7 | |
| 333 | taos> select position('@' in '!@#') |
| 334 | position('@' in '!@#') | |
| 335 | ========================= |
| 336 | 2 | |
| 337 | taos> select position('6' in '12345') |
| 338 | position('6' in '12345') | |
| 339 | =========================== |
| 340 | 0 | |
| 341 | taos> select position('A' in trim(' A ')) |
| 342 | position('A' in trim(' A ')) | |
| 343 | =============================== |
| 344 | 1 | |
| 345 | taos> select position('A' in upper('abc')) |
| 346 | position('A' in upper('abc')) | |
| 347 | ================================ |
| 348 | 1 | |
| 349 | ==================================== |
| 350 | 2 | |
| 351 | ============================================== |
| 352 | 3 | |
| 353 | name | position('e' in name) | |
| 354 | ========================================================= |
| 355 | lili | 0 | |
| 356 | ========================================================================== |
| 357 | lili | 0 | |
| 358 | nch1 | position('n' in nch1) | |
| 359 | ========================================================= |
| 360 | novel | 1 | |
| 361 | var1 | position('1' in var1) | |
| 362 | ========================================================= |
| 363 | novel | 0 | |