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 | |