openGauss-server/contrib/pg_trgm/expected/pg_trgm.out

3572 lines
84 KiB
Plaintext

CREATE EXTENSION pg_trgm;
select show_trgm('');
show_trgm
-----------
{}
(1 row)
select show_trgm('(*&^$@%@');
show_trgm
-----------
{}
(1 row)
select show_trgm('a b c');
show_trgm
---------------------------------------
{" a"," b"," c"," a "," b "," c "}
(1 row)
select show_trgm(' a b c ');
show_trgm
---------------------------------------
{" a"," b"," c"," a "," b "," c "}
(1 row)
select show_trgm('aA bB cC');
show_trgm
---------------------------------------------------------
{" a"," b"," c"," aa"," bb"," cc","aa ","bb ","cc "}
(1 row)
select show_trgm(' aA bB cC ');
show_trgm
---------------------------------------------------------
{" a"," b"," c"," aa"," bb"," cc","aa ","bb ","cc "}
(1 row)
select show_trgm('a b C0*%^');
show_trgm
---------------------------------------------
{" a"," b"," c"," a "," b "," c0","c0 "}
(1 row)
select similarity('wow','WOWa ');
similarity
------------
0.5
(1 row)
select similarity('wow',' WOW ');
similarity
------------
1
(1 row)
select similarity('---', '####---');
similarity
------------
0
(1 row)
CREATE TABLE test_trgm(t text);
\copy test_trgm from 'data/trgm.data'
select t,similarity(t,'qwertyu0988') as sml from test_trgm where t % 'qwertyu0988' order by sml desc, t;
t | sml
-------------+----------
qwertyu0988 | 1
qwertyu0980 | 0.714286
qwertyu0981 | 0.714286
qwertyu0982 | 0.714286
qwertyu0983 | 0.714286
qwertyu0984 | 0.714286
qwertyu0985 | 0.714286
qwertyu0986 | 0.714286
qwertyu0987 | 0.714286
qwertyu0989 | 0.714286
qwertyu0088 | 0.6
qwertyu0098 | 0.6
qwertyu0188 | 0.6
qwertyu0288 | 0.6
qwertyu0388 | 0.6
qwertyu0488 | 0.6
qwertyu0588 | 0.6
qwertyu0688 | 0.6
qwertyu0788 | 0.6
qwertyu0888 | 0.6
qwertyu0900 | 0.6
qwertyu0901 | 0.6
qwertyu0902 | 0.6
qwertyu0903 | 0.6
qwertyu0904 | 0.6
qwertyu0905 | 0.6
qwertyu0906 | 0.6
qwertyu0907 | 0.6
qwertyu0908 | 0.6
qwertyu0909 | 0.6
qwertyu0910 | 0.6
qwertyu0911 | 0.6
qwertyu0912 | 0.6
qwertyu0913 | 0.6
qwertyu0914 | 0.6
qwertyu0915 | 0.6
qwertyu0916 | 0.6
qwertyu0917 | 0.6
qwertyu0918 | 0.6
qwertyu0919 | 0.6
qwertyu0920 | 0.6
qwertyu0921 | 0.6
qwertyu0922 | 0.6
qwertyu0923 | 0.6
qwertyu0924 | 0.6
qwertyu0925 | 0.6
qwertyu0926 | 0.6
qwertyu0927 | 0.6
qwertyu0928 | 0.6
qwertyu0929 | 0.6
qwertyu0930 | 0.6
qwertyu0931 | 0.6
qwertyu0932 | 0.6
qwertyu0933 | 0.6
qwertyu0934 | 0.6
qwertyu0935 | 0.6
qwertyu0936 | 0.6
qwertyu0937 | 0.6
qwertyu0938 | 0.6
qwertyu0939 | 0.6
qwertyu0940 | 0.6
qwertyu0941 | 0.6
qwertyu0942 | 0.6
qwertyu0943 | 0.6
qwertyu0944 | 0.6
qwertyu0945 | 0.6
qwertyu0946 | 0.6
qwertyu0947 | 0.6
qwertyu0948 | 0.6
qwertyu0949 | 0.6
qwertyu0950 | 0.6
qwertyu0951 | 0.6
qwertyu0952 | 0.6
qwertyu0953 | 0.6
qwertyu0954 | 0.6
qwertyu0955 | 0.6
qwertyu0956 | 0.6
qwertyu0957 | 0.6
qwertyu0958 | 0.6
qwertyu0959 | 0.6
qwertyu0960 | 0.6
qwertyu0961 | 0.6
qwertyu0962 | 0.6
qwertyu0963 | 0.6
qwertyu0964 | 0.6
qwertyu0965 | 0.6
qwertyu0966 | 0.6
qwertyu0967 | 0.6
qwertyu0968 | 0.6
qwertyu0969 | 0.6
qwertyu0970 | 0.6
qwertyu0971 | 0.6
qwertyu0972 | 0.6
qwertyu0973 | 0.6
qwertyu0974 | 0.6
qwertyu0975 | 0.6
qwertyu0976 | 0.6
qwertyu0977 | 0.6
qwertyu0978 | 0.6
qwertyu0979 | 0.6
qwertyu0990 | 0.6
qwertyu0991 | 0.6
qwertyu0992 | 0.6
qwertyu0993 | 0.6
qwertyu0994 | 0.6
qwertyu0995 | 0.6
qwertyu0996 | 0.6
qwertyu0997 | 0.6
qwertyu0998 | 0.6
qwertyu0999 | 0.6
qwertyu0001 | 0.5
qwertyu0002 | 0.5
qwertyu0003 | 0.5
qwertyu0004 | 0.5
qwertyu0005 | 0.5
qwertyu0006 | 0.5
qwertyu0007 | 0.5
qwertyu0008 | 0.5
qwertyu0009 | 0.5
qwertyu0010 | 0.5
qwertyu0011 | 0.5
qwertyu0012 | 0.5
qwertyu0013 | 0.5
qwertyu0014 | 0.5
qwertyu0015 | 0.5
qwertyu0016 | 0.5
qwertyu0017 | 0.5
qwertyu0018 | 0.5
qwertyu0019 | 0.5
qwertyu0020 | 0.5
qwertyu0021 | 0.5
qwertyu0022 | 0.5
qwertyu0023 | 0.5
qwertyu0024 | 0.5
qwertyu0025 | 0.5
qwertyu0026 | 0.5
qwertyu0027 | 0.5
qwertyu0028 | 0.5
qwertyu0029 | 0.5
qwertyu0030 | 0.5
qwertyu0031 | 0.5
qwertyu0032 | 0.5
qwertyu0033 | 0.5
qwertyu0034 | 0.5
qwertyu0035 | 0.5
qwertyu0036 | 0.5
qwertyu0037 | 0.5
qwertyu0038 | 0.5
qwertyu0039 | 0.5
qwertyu0040 | 0.5
qwertyu0041 | 0.5
qwertyu0042 | 0.5
qwertyu0043 | 0.5
qwertyu0044 | 0.5
qwertyu0045 | 0.5
qwertyu0046 | 0.5
qwertyu0047 | 0.5
qwertyu0048 | 0.5
qwertyu0049 | 0.5
qwertyu0050 | 0.5
qwertyu0051 | 0.5
qwertyu0052 | 0.5
qwertyu0053 | 0.5
qwertyu0054 | 0.5
qwertyu0055 | 0.5
qwertyu0056 | 0.5
qwertyu0057 | 0.5
qwertyu0058 | 0.5
qwertyu0059 | 0.5
qwertyu0060 | 0.5
qwertyu0061 | 0.5
qwertyu0062 | 0.5
qwertyu0063 | 0.5
qwertyu0064 | 0.5
qwertyu0065 | 0.5
qwertyu0066 | 0.5
qwertyu0067 | 0.5
qwertyu0068 | 0.5
qwertyu0069 | 0.5
qwertyu0070 | 0.5
qwertyu0071 | 0.5
qwertyu0072 | 0.5
qwertyu0073 | 0.5
qwertyu0074 | 0.5
qwertyu0075 | 0.5
qwertyu0076 | 0.5
qwertyu0077 | 0.5
qwertyu0078 | 0.5
qwertyu0079 | 0.5
qwertyu0080 | 0.5
qwertyu0081 | 0.5
qwertyu0082 | 0.5
qwertyu0083 | 0.5
qwertyu0084 | 0.5
qwertyu0085 | 0.5
qwertyu0086 | 0.5
qwertyu0087 | 0.5
qwertyu0089 | 0.5
qwertyu0090 | 0.5
qwertyu0091 | 0.5
qwertyu0092 | 0.5
qwertyu0093 | 0.5
qwertyu0094 | 0.5
qwertyu0095 | 0.5
qwertyu0096 | 0.5
qwertyu0097 | 0.5
qwertyu0099 | 0.5
qwertyu0100 | 0.5
qwertyu0101 | 0.5
qwertyu0102 | 0.5
qwertyu0103 | 0.5
qwertyu0104 | 0.5
qwertyu0105 | 0.5
qwertyu0106 | 0.5
qwertyu0107 | 0.5
qwertyu0108 | 0.5
qwertyu0109 | 0.5
qwertyu0110 | 0.5
qwertyu0111 | 0.5
qwertyu0112 | 0.5
qwertyu0113 | 0.5
qwertyu0114 | 0.5
qwertyu0115 | 0.5
qwertyu0116 | 0.5
qwertyu0117 | 0.5
qwertyu0118 | 0.5
qwertyu0119 | 0.5
qwertyu0120 | 0.5
qwertyu0121 | 0.5
qwertyu0122 | 0.5
qwertyu0123 | 0.5
qwertyu0124 | 0.5
qwertyu0125 | 0.5
qwertyu0126 | 0.5
qwertyu0127 | 0.5
qwertyu0128 | 0.5
qwertyu0129 | 0.5
qwertyu0130 | 0.5
qwertyu0131 | 0.5
qwertyu0132 | 0.5
qwertyu0133 | 0.5
qwertyu0134 | 0.5
qwertyu0135 | 0.5
qwertyu0136 | 0.5
qwertyu0137 | 0.5
qwertyu0138 | 0.5
qwertyu0139 | 0.5
qwertyu0140 | 0.5
qwertyu0141 | 0.5
qwertyu0142 | 0.5
qwertyu0143 | 0.5
qwertyu0144 | 0.5
qwertyu0145 | 0.5
qwertyu0146 | 0.5
qwertyu0147 | 0.5
qwertyu0148 | 0.5
qwertyu0149 | 0.5
qwertyu0150 | 0.5
qwertyu0151 | 0.5
qwertyu0152 | 0.5
qwertyu0153 | 0.5
qwertyu0154 | 0.5
qwertyu0155 | 0.5
qwertyu0156 | 0.5
qwertyu0157 | 0.5
qwertyu0158 | 0.5
qwertyu0159 | 0.5
qwertyu0160 | 0.5
qwertyu0161 | 0.5
qwertyu0162 | 0.5
qwertyu0163 | 0.5
qwertyu0164 | 0.5
qwertyu0165 | 0.5
qwertyu0166 | 0.5
qwertyu0167 | 0.5
qwertyu0168 | 0.5
qwertyu0169 | 0.5
qwertyu0170 | 0.5
qwertyu0171 | 0.5
qwertyu0172 | 0.5
qwertyu0173 | 0.5
qwertyu0174 | 0.5
qwertyu0175 | 0.5
qwertyu0176 | 0.5
qwertyu0177 | 0.5
qwertyu0178 | 0.5
qwertyu0179 | 0.5
qwertyu0180 | 0.5
qwertyu0181 | 0.5
qwertyu0182 | 0.5
qwertyu0183 | 0.5
qwertyu0184 | 0.5
qwertyu0185 | 0.5
qwertyu0186 | 0.5
qwertyu0187 | 0.5
qwertyu0189 | 0.5
qwertyu0190 | 0.5
qwertyu0191 | 0.5
qwertyu0192 | 0.5
qwertyu0193 | 0.5
qwertyu0194 | 0.5
qwertyu0195 | 0.5
qwertyu0196 | 0.5
qwertyu0197 | 0.5
qwertyu0198 | 0.5
qwertyu0199 | 0.5
qwertyu0200 | 0.5
qwertyu0201 | 0.5
qwertyu0202 | 0.5
qwertyu0203 | 0.5
qwertyu0204 | 0.5
qwertyu0205 | 0.5
qwertyu0206 | 0.5
qwertyu0207 | 0.5
qwertyu0208 | 0.5
qwertyu0209 | 0.5
qwertyu0210 | 0.5
qwertyu0211 | 0.5
qwertyu0212 | 0.5
qwertyu0213 | 0.5
qwertyu0214 | 0.5
qwertyu0215 | 0.5
qwertyu0216 | 0.5
qwertyu0217 | 0.5
qwertyu0218 | 0.5
qwertyu0219 | 0.5
qwertyu0220 | 0.5
qwertyu0221 | 0.5
qwertyu0222 | 0.5
qwertyu0223 | 0.5
qwertyu0224 | 0.5
qwertyu0225 | 0.5
qwertyu0226 | 0.5
qwertyu0227 | 0.5
qwertyu0228 | 0.5
qwertyu0229 | 0.5
qwertyu0230 | 0.5
qwertyu0231 | 0.5
qwertyu0232 | 0.5
qwertyu0233 | 0.5
qwertyu0234 | 0.5
qwertyu0235 | 0.5
qwertyu0236 | 0.5
qwertyu0237 | 0.5
qwertyu0238 | 0.5
qwertyu0239 | 0.5
qwertyu0240 | 0.5
qwertyu0241 | 0.5
qwertyu0242 | 0.5
qwertyu0243 | 0.5
qwertyu0244 | 0.5
qwertyu0245 | 0.5
qwertyu0246 | 0.5
qwertyu0247 | 0.5
qwertyu0248 | 0.5
qwertyu0249 | 0.5
qwertyu0250 | 0.5
qwertyu0251 | 0.5
qwertyu0252 | 0.5
qwertyu0253 | 0.5
qwertyu0254 | 0.5
qwertyu0255 | 0.5
qwertyu0256 | 0.5
qwertyu0257 | 0.5
qwertyu0258 | 0.5
qwertyu0259 | 0.5
qwertyu0260 | 0.5
qwertyu0261 | 0.5
qwertyu0262 | 0.5
qwertyu0263 | 0.5
qwertyu0264 | 0.5
qwertyu0265 | 0.5
qwertyu0266 | 0.5
qwertyu0267 | 0.5
qwertyu0268 | 0.5
qwertyu0269 | 0.5
qwertyu0270 | 0.5
qwertyu0271 | 0.5
qwertyu0272 | 0.5
qwertyu0273 | 0.5
qwertyu0274 | 0.5
qwertyu0275 | 0.5
qwertyu0276 | 0.5
qwertyu0277 | 0.5
qwertyu0278 | 0.5
qwertyu0279 | 0.5
qwertyu0280 | 0.5
qwertyu0281 | 0.5
qwertyu0282 | 0.5
qwertyu0283 | 0.5
qwertyu0284 | 0.5
qwertyu0285 | 0.5
qwertyu0286 | 0.5
qwertyu0287 | 0.5
qwertyu0289 | 0.5
qwertyu0290 | 0.5
qwertyu0291 | 0.5
qwertyu0292 | 0.5
qwertyu0293 | 0.5
qwertyu0294 | 0.5
qwertyu0295 | 0.5
qwertyu0296 | 0.5
qwertyu0297 | 0.5
qwertyu0298 | 0.5
qwertyu0299 | 0.5
qwertyu0300 | 0.5
qwertyu0301 | 0.5
qwertyu0302 | 0.5
qwertyu0303 | 0.5
qwertyu0304 | 0.5
qwertyu0305 | 0.5
qwertyu0306 | 0.5
qwertyu0307 | 0.5
qwertyu0308 | 0.5
qwertyu0309 | 0.5
qwertyu0310 | 0.5
qwertyu0311 | 0.5
qwertyu0312 | 0.5
qwertyu0313 | 0.5
qwertyu0314 | 0.5
qwertyu0315 | 0.5
qwertyu0316 | 0.5
qwertyu0317 | 0.5
qwertyu0318 | 0.5
qwertyu0319 | 0.5
qwertyu0320 | 0.5
qwertyu0321 | 0.5
qwertyu0322 | 0.5
qwertyu0323 | 0.5
qwertyu0324 | 0.5
qwertyu0325 | 0.5
qwertyu0326 | 0.5
qwertyu0327 | 0.5
qwertyu0328 | 0.5
qwertyu0329 | 0.5
qwertyu0330 | 0.5
qwertyu0331 | 0.5
qwertyu0332 | 0.5
qwertyu0333 | 0.5
qwertyu0334 | 0.5
qwertyu0335 | 0.5
qwertyu0336 | 0.5
qwertyu0337 | 0.5
qwertyu0338 | 0.5
qwertyu0339 | 0.5
qwertyu0340 | 0.5
qwertyu0341 | 0.5
qwertyu0342 | 0.5
qwertyu0343 | 0.5
qwertyu0344 | 0.5
qwertyu0345 | 0.5
qwertyu0346 | 0.5
qwertyu0347 | 0.5
qwertyu0348 | 0.5
qwertyu0349 | 0.5
qwertyu0350 | 0.5
qwertyu0351 | 0.5
qwertyu0352 | 0.5
qwertyu0353 | 0.5
qwertyu0354 | 0.5
qwertyu0355 | 0.5
qwertyu0356 | 0.5
qwertyu0357 | 0.5
qwertyu0358 | 0.5
qwertyu0359 | 0.5
qwertyu0360 | 0.5
qwertyu0361 | 0.5
qwertyu0362 | 0.5
qwertyu0363 | 0.5
qwertyu0364 | 0.5
qwertyu0365 | 0.5
qwertyu0366 | 0.5
qwertyu0367 | 0.5
qwertyu0368 | 0.5
qwertyu0369 | 0.5
qwertyu0370 | 0.5
qwertyu0371 | 0.5
qwertyu0372 | 0.5
qwertyu0373 | 0.5
qwertyu0374 | 0.5
qwertyu0375 | 0.5
qwertyu0376 | 0.5
qwertyu0377 | 0.5
qwertyu0378 | 0.5
qwertyu0379 | 0.5
qwertyu0380 | 0.5
qwertyu0381 | 0.5
qwertyu0382 | 0.5
qwertyu0383 | 0.5
qwertyu0384 | 0.5
qwertyu0385 | 0.5
qwertyu0386 | 0.5
qwertyu0387 | 0.5
qwertyu0389 | 0.5
qwertyu0390 | 0.5
qwertyu0391 | 0.5
qwertyu0392 | 0.5
qwertyu0393 | 0.5
qwertyu0394 | 0.5
qwertyu0395 | 0.5
qwertyu0396 | 0.5
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qwertyu0399 | 0.5
qwertyu0400 | 0.5
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qwertyu0402 | 0.5
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qwertyu0442 | 0.5
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qwertyu0533 | 0.5
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qwertyu0535 | 0.5
qwertyu0536 | 0.5
qwertyu0537 | 0.5
qwertyu0538 | 0.5
qwertyu0539 | 0.5
qwertyu0540 | 0.5
qwertyu0541 | 0.5
qwertyu0542 | 0.5
qwertyu0543 | 0.5
qwertyu0544 | 0.5
qwertyu0545 | 0.5
qwertyu0546 | 0.5
qwertyu0547 | 0.5
qwertyu0548 | 0.5
qwertyu0549 | 0.5
qwertyu0550 | 0.5
qwertyu0551 | 0.5
qwertyu0552 | 0.5
qwertyu0553 | 0.5
qwertyu0554 | 0.5
qwertyu0555 | 0.5
qwertyu0556 | 0.5
qwertyu0557 | 0.5
qwertyu0558 | 0.5
qwertyu0559 | 0.5
qwertyu0560 | 0.5
qwertyu0561 | 0.5
qwertyu0562 | 0.5
qwertyu0563 | 0.5
qwertyu0564 | 0.5
qwertyu0565 | 0.5
qwertyu0566 | 0.5
qwertyu0567 | 0.5
qwertyu0568 | 0.5
qwertyu0569 | 0.5
qwertyu0570 | 0.5
qwertyu0571 | 0.5
qwertyu0572 | 0.5
qwertyu0573 | 0.5
qwertyu0574 | 0.5
qwertyu0575 | 0.5
qwertyu0576 | 0.5
qwertyu0577 | 0.5
qwertyu0578 | 0.5
qwertyu0579 | 0.5
qwertyu0580 | 0.5
qwertyu0581 | 0.5
qwertyu0582 | 0.5
qwertyu0583 | 0.5
qwertyu0584 | 0.5
qwertyu0585 | 0.5
qwertyu0586 | 0.5
qwertyu0587 | 0.5
qwertyu0589 | 0.5
qwertyu0590 | 0.5
qwertyu0591 | 0.5
qwertyu0592 | 0.5
qwertyu0593 | 0.5
qwertyu0594 | 0.5
qwertyu0595 | 0.5
qwertyu0596 | 0.5
qwertyu0597 | 0.5
qwertyu0598 | 0.5
qwertyu0599 | 0.5
qwertyu0600 | 0.5
qwertyu0601 | 0.5
qwertyu0602 | 0.5
qwertyu0603 | 0.5
qwertyu0604 | 0.5
qwertyu0605 | 0.5
qwertyu0606 | 0.5
qwertyu0607 | 0.5
qwertyu0608 | 0.5
qwertyu0609 | 0.5
qwertyu0610 | 0.5
qwertyu0611 | 0.5
qwertyu0612 | 0.5
qwertyu0613 | 0.5
qwertyu0614 | 0.5
qwertyu0615 | 0.5
qwertyu0616 | 0.5
qwertyu0617 | 0.5
qwertyu0618 | 0.5
qwertyu0619 | 0.5
qwertyu0620 | 0.5
qwertyu0621 | 0.5
qwertyu0622 | 0.5
qwertyu0623 | 0.5
qwertyu0624 | 0.5
qwertyu0625 | 0.5
qwertyu0626 | 0.5
qwertyu0627 | 0.5
qwertyu0628 | 0.5
qwertyu0629 | 0.5
qwertyu0630 | 0.5
qwertyu0631 | 0.5
qwertyu0632 | 0.5
qwertyu0633 | 0.5
qwertyu0634 | 0.5
qwertyu0635 | 0.5
qwertyu0636 | 0.5
qwertyu0637 | 0.5
qwertyu0638 | 0.5
qwertyu0639 | 0.5
qwertyu0640 | 0.5
qwertyu0641 | 0.5
qwertyu0642 | 0.5
qwertyu0643 | 0.5
qwertyu0644 | 0.5
qwertyu0645 | 0.5
qwertyu0646 | 0.5
qwertyu0647 | 0.5
qwertyu0648 | 0.5
qwertyu0649 | 0.5
qwertyu0650 | 0.5
qwertyu0651 | 0.5
qwertyu0652 | 0.5
qwertyu0653 | 0.5
qwertyu0654 | 0.5
qwertyu0655 | 0.5
qwertyu0656 | 0.5
qwertyu0657 | 0.5
qwertyu0658 | 0.5
qwertyu0659 | 0.5
qwertyu0660 | 0.5
qwertyu0661 | 0.5
qwertyu0662 | 0.5
qwertyu0663 | 0.5
qwertyu0664 | 0.5
qwertyu0665 | 0.5
qwertyu0666 | 0.5
qwertyu0667 | 0.5
qwertyu0668 | 0.5
qwertyu0669 | 0.5
qwertyu0670 | 0.5
qwertyu0671 | 0.5
qwertyu0672 | 0.5
qwertyu0673 | 0.5
qwertyu0674 | 0.5
qwertyu0675 | 0.5
qwertyu0676 | 0.5
qwertyu0677 | 0.5
qwertyu0678 | 0.5
qwertyu0679 | 0.5
qwertyu0680 | 0.5
qwertyu0681 | 0.5
qwertyu0682 | 0.5
qwertyu0683 | 0.5
qwertyu0684 | 0.5
qwertyu0685 | 0.5
qwertyu0686 | 0.5
qwertyu0687 | 0.5
qwertyu0689 | 0.5
qwertyu0690 | 0.5
qwertyu0691 | 0.5
qwertyu0692 | 0.5
qwertyu0693 | 0.5
qwertyu0694 | 0.5
qwertyu0695 | 0.5
qwertyu0696 | 0.5
qwertyu0697 | 0.5
qwertyu0698 | 0.5
qwertyu0699 | 0.5
qwertyu0700 | 0.5
qwertyu0701 | 0.5
qwertyu0702 | 0.5
qwertyu0703 | 0.5
qwertyu0704 | 0.5
qwertyu0705 | 0.5
qwertyu0706 | 0.5
qwertyu0707 | 0.5
qwertyu0708 | 0.5
qwertyu0709 | 0.5
qwertyu0710 | 0.5
qwertyu0711 | 0.5
qwertyu0712 | 0.5
qwertyu0713 | 0.5
qwertyu0714 | 0.5
qwertyu0715 | 0.5
qwertyu0716 | 0.5
qwertyu0717 | 0.5
qwertyu0718 | 0.5
qwertyu0719 | 0.5
qwertyu0720 | 0.5
qwertyu0721 | 0.5
qwertyu0722 | 0.5
qwertyu0723 | 0.5
qwertyu0724 | 0.5
qwertyu0725 | 0.5
qwertyu0726 | 0.5
qwertyu0727 | 0.5
qwertyu0728 | 0.5
qwertyu0729 | 0.5
qwertyu0730 | 0.5
qwertyu0731 | 0.5
qwertyu0732 | 0.5
qwertyu0733 | 0.5
qwertyu0734 | 0.5
qwertyu0735 | 0.5
qwertyu0736 | 0.5
qwertyu0737 | 0.5
qwertyu0738 | 0.5
qwertyu0739 | 0.5
qwertyu0740 | 0.5
qwertyu0741 | 0.5
qwertyu0742 | 0.5
qwertyu0743 | 0.5
qwertyu0744 | 0.5
qwertyu0745 | 0.5
qwertyu0746 | 0.5
qwertyu0747 | 0.5
qwertyu0748 | 0.5
qwertyu0749 | 0.5
qwertyu0750 | 0.5
qwertyu0751 | 0.5
qwertyu0752 | 0.5
qwertyu0753 | 0.5
qwertyu0754 | 0.5
qwertyu0755 | 0.5
qwertyu0756 | 0.5
qwertyu0757 | 0.5
qwertyu0758 | 0.5
qwertyu0759 | 0.5
qwertyu0760 | 0.5
qwertyu0761 | 0.5
qwertyu0762 | 0.5
qwertyu0763 | 0.5
qwertyu0764 | 0.5
qwertyu0765 | 0.5
qwertyu0766 | 0.5
qwertyu0767 | 0.5
qwertyu0768 | 0.5
qwertyu0769 | 0.5
qwertyu0770 | 0.5
qwertyu0771 | 0.5
qwertyu0772 | 0.5
qwertyu0773 | 0.5
qwertyu0774 | 0.5
qwertyu0775 | 0.5
qwertyu0776 | 0.5
qwertyu0777 | 0.5
qwertyu0778 | 0.5
qwertyu0779 | 0.5
qwertyu0780 | 0.5
qwertyu0781 | 0.5
qwertyu0782 | 0.5
qwertyu0783 | 0.5
qwertyu0784 | 0.5
qwertyu0785 | 0.5
qwertyu0786 | 0.5
qwertyu0787 | 0.5
qwertyu0789 | 0.5
qwertyu0790 | 0.5
qwertyu0791 | 0.5
qwertyu0792 | 0.5
qwertyu0793 | 0.5
qwertyu0794 | 0.5
qwertyu0795 | 0.5
qwertyu0796 | 0.5
qwertyu0797 | 0.5
qwertyu0798 | 0.5
qwertyu0799 | 0.5
qwertyu0800 | 0.5
qwertyu0801 | 0.5
qwertyu0802 | 0.5
qwertyu0803 | 0.5
qwertyu0804 | 0.5
qwertyu0805 | 0.5
qwertyu0806 | 0.5
qwertyu0807 | 0.5
qwertyu0808 | 0.5
qwertyu0809 | 0.5
qwertyu0810 | 0.5
qwertyu0811 | 0.5
qwertyu0812 | 0.5
qwertyu0813 | 0.5
qwertyu0814 | 0.5
qwertyu0815 | 0.5
qwertyu0816 | 0.5
qwertyu0817 | 0.5
qwertyu0818 | 0.5
qwertyu0819 | 0.5
qwertyu0820 | 0.5
qwertyu0821 | 0.5
qwertyu0822 | 0.5
qwertyu0823 | 0.5
qwertyu0824 | 0.5
qwertyu0825 | 0.5
qwertyu0826 | 0.5
qwertyu0827 | 0.5
qwertyu0828 | 0.5
qwertyu0829 | 0.5
qwertyu0830 | 0.5
qwertyu0831 | 0.5
qwertyu0832 | 0.5
qwertyu0833 | 0.5
qwertyu0834 | 0.5
qwertyu0835 | 0.5
qwertyu0836 | 0.5
qwertyu0837 | 0.5
qwertyu0838 | 0.5
qwertyu0839 | 0.5
qwertyu0840 | 0.5
qwertyu0841 | 0.5
qwertyu0842 | 0.5
qwertyu0843 | 0.5
qwertyu0844 | 0.5
qwertyu0845 | 0.5
qwertyu0846 | 0.5
qwertyu0847 | 0.5
qwertyu0848 | 0.5
qwertyu0849 | 0.5
qwertyu0850 | 0.5
qwertyu0851 | 0.5
qwertyu0852 | 0.5
qwertyu0853 | 0.5
qwertyu0854 | 0.5
qwertyu0855 | 0.5
qwertyu0856 | 0.5
qwertyu0857 | 0.5
qwertyu0858 | 0.5
qwertyu0859 | 0.5
qwertyu0860 | 0.5
qwertyu0861 | 0.5
qwertyu0862 | 0.5
qwertyu0863 | 0.5
qwertyu0864 | 0.5
qwertyu0865 | 0.5
qwertyu0866 | 0.5
qwertyu0867 | 0.5
qwertyu0868 | 0.5
qwertyu0869 | 0.5
qwertyu0870 | 0.5
qwertyu0871 | 0.5
qwertyu0872 | 0.5
qwertyu0873 | 0.5
qwertyu0874 | 0.5
qwertyu0875 | 0.5
qwertyu0876 | 0.5
qwertyu0877 | 0.5
qwertyu0878 | 0.5
qwertyu0879 | 0.5
qwertyu0880 | 0.5
qwertyu0881 | 0.5
qwertyu0882 | 0.5
qwertyu0883 | 0.5
qwertyu0884 | 0.5
qwertyu0885 | 0.5
qwertyu0886 | 0.5
qwertyu0887 | 0.5
qwertyu0889 | 0.5
qwertyu0890 | 0.5
qwertyu0891 | 0.5
qwertyu0892 | 0.5
qwertyu0893 | 0.5
qwertyu0894 | 0.5
qwertyu0895 | 0.5
qwertyu0896 | 0.5
qwertyu0897 | 0.5
qwertyu0898 | 0.5
qwertyu0899 | 0.5
qwertyu1000 | 0.411765
(1000 rows)
select t,similarity(t,'gwertyu0988') as sml from test_trgm where t % 'gwertyu0988' order by sml desc, t;
t | sml
-------------+----------
qwertyu0988 | 0.6
qwertyu0980 | 0.411765
qwertyu0981 | 0.411765
qwertyu0982 | 0.411765
qwertyu0983 | 0.411765
qwertyu0984 | 0.411765
qwertyu0985 | 0.411765
qwertyu0986 | 0.411765
qwertyu0987 | 0.411765
qwertyu0989 | 0.411765
qwertyu0088 | 0.333333
qwertyu0098 | 0.333333
qwertyu0188 | 0.333333
qwertyu0288 | 0.333333
qwertyu0388 | 0.333333
qwertyu0488 | 0.333333
qwertyu0588 | 0.333333
qwertyu0688 | 0.333333
qwertyu0788 | 0.333333
qwertyu0888 | 0.333333
qwertyu0900 | 0.333333
qwertyu0901 | 0.333333
qwertyu0902 | 0.333333
qwertyu0903 | 0.333333
qwertyu0904 | 0.333333
qwertyu0905 | 0.333333
qwertyu0906 | 0.333333
qwertyu0907 | 0.333333
qwertyu0908 | 0.333333
qwertyu0909 | 0.333333
qwertyu0910 | 0.333333
qwertyu0911 | 0.333333
qwertyu0912 | 0.333333
qwertyu0913 | 0.333333
qwertyu0914 | 0.333333
qwertyu0915 | 0.333333
qwertyu0916 | 0.333333
qwertyu0917 | 0.333333
qwertyu0918 | 0.333333
qwertyu0919 | 0.333333
qwertyu0920 | 0.333333
qwertyu0921 | 0.333333
qwertyu0922 | 0.333333
qwertyu0923 | 0.333333
qwertyu0924 | 0.333333
qwertyu0925 | 0.333333
qwertyu0926 | 0.333333
qwertyu0927 | 0.333333
qwertyu0928 | 0.333333
qwertyu0929 | 0.333333
qwertyu0930 | 0.333333
qwertyu0931 | 0.333333
qwertyu0932 | 0.333333
qwertyu0933 | 0.333333
qwertyu0934 | 0.333333
qwertyu0935 | 0.333333
qwertyu0936 | 0.333333
qwertyu0937 | 0.333333
qwertyu0938 | 0.333333
qwertyu0939 | 0.333333
qwertyu0940 | 0.333333
qwertyu0941 | 0.333333
qwertyu0942 | 0.333333
qwertyu0943 | 0.333333
qwertyu0944 | 0.333333
qwertyu0945 | 0.333333
qwertyu0946 | 0.333333
qwertyu0947 | 0.333333
qwertyu0948 | 0.333333
qwertyu0949 | 0.333333
qwertyu0950 | 0.333333
qwertyu0951 | 0.333333
qwertyu0952 | 0.333333
qwertyu0953 | 0.333333
qwertyu0954 | 0.333333
qwertyu0955 | 0.333333
qwertyu0956 | 0.333333
qwertyu0957 | 0.333333
qwertyu0958 | 0.333333
qwertyu0959 | 0.333333
qwertyu0960 | 0.333333
qwertyu0961 | 0.333333
qwertyu0962 | 0.333333
qwertyu0963 | 0.333333
qwertyu0964 | 0.333333
qwertyu0965 | 0.333333
qwertyu0966 | 0.333333
qwertyu0967 | 0.333333
qwertyu0968 | 0.333333
qwertyu0969 | 0.333333
qwertyu0970 | 0.333333
qwertyu0971 | 0.333333
qwertyu0972 | 0.333333
qwertyu0973 | 0.333333
qwertyu0974 | 0.333333
qwertyu0975 | 0.333333
qwertyu0976 | 0.333333
qwertyu0977 | 0.333333
qwertyu0978 | 0.333333
qwertyu0979 | 0.333333
qwertyu0990 | 0.333333
qwertyu0991 | 0.333333
qwertyu0992 | 0.333333
qwertyu0993 | 0.333333
qwertyu0994 | 0.333333
qwertyu0995 | 0.333333
qwertyu0996 | 0.333333
qwertyu0997 | 0.333333
qwertyu0998 | 0.333333
qwertyu0999 | 0.333333
(110 rows)
select t,similarity(t,'gwertyu1988') as sml from test_trgm where t % 'gwertyu1988' order by sml desc, t;
t | sml
-------------+----------
qwertyu0988 | 0.333333
(1 row)
select t <-> 'q0987wertyu0988', t from test_trgm order by t <-> 'q0987wertyu0988' limit 2;
?column? | t
----------+-------------
0.411765 | qwertyu0988
0.5 | qwertyu0987
(2 rows)
create index trgm_idx on test_trgm using gist (t gist_trgm_ops);
set enable_seqscan=off;
select t,similarity(t,'qwertyu0988') as sml from test_trgm where t % 'qwertyu0988' order by sml desc, t;
t | sml
-------------+----------
qwertyu0988 | 1
qwertyu0980 | 0.714286
qwertyu0981 | 0.714286
qwertyu0982 | 0.714286
qwertyu0983 | 0.714286
qwertyu0984 | 0.714286
qwertyu0985 | 0.714286
qwertyu0986 | 0.714286
qwertyu0987 | 0.714286
qwertyu0989 | 0.714286
qwertyu0088 | 0.6
qwertyu0098 | 0.6
qwertyu0188 | 0.6
qwertyu0288 | 0.6
qwertyu0388 | 0.6
qwertyu0488 | 0.6
qwertyu0588 | 0.6
qwertyu0688 | 0.6
qwertyu0788 | 0.6
qwertyu0888 | 0.6
qwertyu0900 | 0.6
qwertyu0901 | 0.6
qwertyu0902 | 0.6
qwertyu0903 | 0.6
qwertyu0904 | 0.6
qwertyu0905 | 0.6
qwertyu0906 | 0.6
qwertyu0907 | 0.6
qwertyu0908 | 0.6
qwertyu0909 | 0.6
qwertyu0910 | 0.6
qwertyu0911 | 0.6
qwertyu0912 | 0.6
qwertyu0913 | 0.6
qwertyu0914 | 0.6
qwertyu0915 | 0.6
qwertyu0916 | 0.6
qwertyu0917 | 0.6
qwertyu0918 | 0.6
qwertyu0919 | 0.6
qwertyu0920 | 0.6
qwertyu0921 | 0.6
qwertyu0922 | 0.6
qwertyu0923 | 0.6
qwertyu0924 | 0.6
qwertyu0925 | 0.6
qwertyu0926 | 0.6
qwertyu0927 | 0.6
qwertyu0928 | 0.6
qwertyu0929 | 0.6
qwertyu0930 | 0.6
qwertyu0931 | 0.6
qwertyu0932 | 0.6
qwertyu0933 | 0.6
qwertyu0934 | 0.6
qwertyu0935 | 0.6
qwertyu0936 | 0.6
qwertyu0937 | 0.6
qwertyu0938 | 0.6
qwertyu0939 | 0.6
qwertyu0940 | 0.6
qwertyu0941 | 0.6
qwertyu0942 | 0.6
qwertyu0943 | 0.6
qwertyu0944 | 0.6
qwertyu0945 | 0.6
qwertyu0946 | 0.6
qwertyu0947 | 0.6
qwertyu0948 | 0.6
qwertyu0949 | 0.6
qwertyu0950 | 0.6
qwertyu0951 | 0.6
qwertyu0952 | 0.6
qwertyu0953 | 0.6
qwertyu0954 | 0.6
qwertyu0955 | 0.6
qwertyu0956 | 0.6
qwertyu0957 | 0.6
qwertyu0958 | 0.6
qwertyu0959 | 0.6
qwertyu0960 | 0.6
qwertyu0961 | 0.6
qwertyu0962 | 0.6
qwertyu0963 | 0.6
qwertyu0964 | 0.6
qwertyu0965 | 0.6
qwertyu0966 | 0.6
qwertyu0967 | 0.6
qwertyu0968 | 0.6
qwertyu0969 | 0.6
qwertyu0970 | 0.6
qwertyu0971 | 0.6
qwertyu0972 | 0.6
qwertyu0973 | 0.6
qwertyu0974 | 0.6
qwertyu0975 | 0.6
qwertyu0976 | 0.6
qwertyu0977 | 0.6
qwertyu0978 | 0.6
qwertyu0979 | 0.6
qwertyu0990 | 0.6
qwertyu0991 | 0.6
qwertyu0992 | 0.6
qwertyu0993 | 0.6
qwertyu0994 | 0.6
qwertyu0995 | 0.6
qwertyu0996 | 0.6
qwertyu0997 | 0.6
qwertyu0998 | 0.6
qwertyu0999 | 0.6
qwertyu0001 | 0.5
qwertyu0002 | 0.5
qwertyu0003 | 0.5
qwertyu0004 | 0.5
qwertyu0005 | 0.5
qwertyu0006 | 0.5
qwertyu0007 | 0.5
qwertyu0008 | 0.5
qwertyu0009 | 0.5
qwertyu0010 | 0.5
qwertyu0011 | 0.5
qwertyu0012 | 0.5
qwertyu0013 | 0.5
qwertyu0014 | 0.5
qwertyu0015 | 0.5
qwertyu0016 | 0.5
qwertyu0017 | 0.5
qwertyu0018 | 0.5
qwertyu0019 | 0.5
qwertyu0020 | 0.5
qwertyu0021 | 0.5
qwertyu0022 | 0.5
qwertyu0023 | 0.5
qwertyu0024 | 0.5
qwertyu0025 | 0.5
qwertyu0026 | 0.5
qwertyu0027 | 0.5
qwertyu0028 | 0.5
qwertyu0029 | 0.5
qwertyu0030 | 0.5
qwertyu0031 | 0.5
qwertyu0032 | 0.5
qwertyu0033 | 0.5
qwertyu0034 | 0.5
qwertyu0035 | 0.5
qwertyu0036 | 0.5
qwertyu0037 | 0.5
qwertyu0038 | 0.5
qwertyu0039 | 0.5
qwertyu0040 | 0.5
qwertyu0041 | 0.5
qwertyu0042 | 0.5
qwertyu0043 | 0.5
qwertyu0044 | 0.5
qwertyu0045 | 0.5
qwertyu0046 | 0.5
qwertyu0047 | 0.5
qwertyu0048 | 0.5
qwertyu0049 | 0.5
qwertyu0050 | 0.5
qwertyu0051 | 0.5
qwertyu0052 | 0.5
qwertyu0053 | 0.5
qwertyu0054 | 0.5
qwertyu0055 | 0.5
qwertyu0056 | 0.5
qwertyu0057 | 0.5
qwertyu0058 | 0.5
qwertyu0059 | 0.5
qwertyu0060 | 0.5
qwertyu0061 | 0.5
qwertyu0062 | 0.5
qwertyu0063 | 0.5
qwertyu0064 | 0.5
qwertyu0065 | 0.5
qwertyu0066 | 0.5
qwertyu0067 | 0.5
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qwertyu0759 | 0.5
qwertyu0760 | 0.5
qwertyu0761 | 0.5
qwertyu0762 | 0.5
qwertyu0763 | 0.5
qwertyu0764 | 0.5
qwertyu0765 | 0.5
qwertyu0766 | 0.5
qwertyu0767 | 0.5
qwertyu0768 | 0.5
qwertyu0769 | 0.5
qwertyu0770 | 0.5
qwertyu0771 | 0.5
qwertyu0772 | 0.5
qwertyu0773 | 0.5
qwertyu0774 | 0.5
qwertyu0775 | 0.5
qwertyu0776 | 0.5
qwertyu0777 | 0.5
qwertyu0778 | 0.5
qwertyu0779 | 0.5
qwertyu0780 | 0.5
qwertyu0781 | 0.5
qwertyu0782 | 0.5
qwertyu0783 | 0.5
qwertyu0784 | 0.5
qwertyu0785 | 0.5
qwertyu0786 | 0.5
qwertyu0787 | 0.5
qwertyu0789 | 0.5
qwertyu0790 | 0.5
qwertyu0791 | 0.5
qwertyu0792 | 0.5
qwertyu0793 | 0.5
qwertyu0794 | 0.5
qwertyu0795 | 0.5
qwertyu0796 | 0.5
qwertyu0797 | 0.5
qwertyu0798 | 0.5
qwertyu0799 | 0.5
qwertyu0800 | 0.5
qwertyu0801 | 0.5
qwertyu0802 | 0.5
qwertyu0803 | 0.5
qwertyu0804 | 0.5
qwertyu0805 | 0.5
qwertyu0806 | 0.5
qwertyu0807 | 0.5
qwertyu0808 | 0.5
qwertyu0809 | 0.5
qwertyu0810 | 0.5
qwertyu0811 | 0.5
qwertyu0812 | 0.5
qwertyu0813 | 0.5
qwertyu0814 | 0.5
qwertyu0815 | 0.5
qwertyu0816 | 0.5
qwertyu0817 | 0.5
qwertyu0818 | 0.5
qwertyu0819 | 0.5
qwertyu0820 | 0.5
qwertyu0821 | 0.5
qwertyu0822 | 0.5
qwertyu0823 | 0.5
qwertyu0824 | 0.5
qwertyu0825 | 0.5
qwertyu0826 | 0.5
qwertyu0827 | 0.5
qwertyu0828 | 0.5
qwertyu0829 | 0.5
qwertyu0830 | 0.5
qwertyu0831 | 0.5
qwertyu0832 | 0.5
qwertyu0833 | 0.5
qwertyu0834 | 0.5
qwertyu0835 | 0.5
qwertyu0836 | 0.5
qwertyu0837 | 0.5
qwertyu0838 | 0.5
qwertyu0839 | 0.5
qwertyu0840 | 0.5
qwertyu0841 | 0.5
qwertyu0842 | 0.5
qwertyu0843 | 0.5
qwertyu0844 | 0.5
qwertyu0845 | 0.5
qwertyu0846 | 0.5
qwertyu0847 | 0.5
qwertyu0848 | 0.5
qwertyu0849 | 0.5
qwertyu0850 | 0.5
qwertyu0851 | 0.5
qwertyu0852 | 0.5
qwertyu0853 | 0.5
qwertyu0854 | 0.5
qwertyu0855 | 0.5
qwertyu0856 | 0.5
qwertyu0857 | 0.5
qwertyu0858 | 0.5
qwertyu0859 | 0.5
qwertyu0860 | 0.5
qwertyu0861 | 0.5
qwertyu0862 | 0.5
qwertyu0863 | 0.5
qwertyu0864 | 0.5
qwertyu0865 | 0.5
qwertyu0866 | 0.5
qwertyu0867 | 0.5
qwertyu0868 | 0.5
qwertyu0869 | 0.5
qwertyu0870 | 0.5
qwertyu0871 | 0.5
qwertyu0872 | 0.5
qwertyu0873 | 0.5
qwertyu0874 | 0.5
qwertyu0875 | 0.5
qwertyu0876 | 0.5
qwertyu0877 | 0.5
qwertyu0878 | 0.5
qwertyu0879 | 0.5
qwertyu0880 | 0.5
qwertyu0881 | 0.5
qwertyu0882 | 0.5
qwertyu0883 | 0.5
qwertyu0884 | 0.5
qwertyu0885 | 0.5
qwertyu0886 | 0.5
qwertyu0887 | 0.5
qwertyu0889 | 0.5
qwertyu0890 | 0.5
qwertyu0891 | 0.5
qwertyu0892 | 0.5
qwertyu0893 | 0.5
qwertyu0894 | 0.5
qwertyu0895 | 0.5
qwertyu0896 | 0.5
qwertyu0897 | 0.5
qwertyu0898 | 0.5
qwertyu0899 | 0.5
qwertyu1000 | 0.411765
(1000 rows)
select t,similarity(t,'gwertyu0988') as sml from test_trgm where t % 'gwertyu0988' order by sml desc, t;
t | sml
-------------+----------
qwertyu0988 | 0.6
qwertyu0980 | 0.411765
qwertyu0981 | 0.411765
qwertyu0982 | 0.411765
qwertyu0983 | 0.411765
qwertyu0984 | 0.411765
qwertyu0985 | 0.411765
qwertyu0986 | 0.411765
qwertyu0987 | 0.411765
qwertyu0989 | 0.411765
qwertyu0088 | 0.333333
qwertyu0098 | 0.333333
qwertyu0188 | 0.333333
qwertyu0288 | 0.333333
qwertyu0388 | 0.333333
qwertyu0488 | 0.333333
qwertyu0588 | 0.333333
qwertyu0688 | 0.333333
qwertyu0788 | 0.333333
qwertyu0888 | 0.333333
qwertyu0900 | 0.333333
qwertyu0901 | 0.333333
qwertyu0902 | 0.333333
qwertyu0903 | 0.333333
qwertyu0904 | 0.333333
qwertyu0905 | 0.333333
qwertyu0906 | 0.333333
qwertyu0907 | 0.333333
qwertyu0908 | 0.333333
qwertyu0909 | 0.333333
qwertyu0910 | 0.333333
qwertyu0911 | 0.333333
qwertyu0912 | 0.333333
qwertyu0913 | 0.333333
qwertyu0914 | 0.333333
qwertyu0915 | 0.333333
qwertyu0916 | 0.333333
qwertyu0917 | 0.333333
qwertyu0918 | 0.333333
qwertyu0919 | 0.333333
qwertyu0920 | 0.333333
qwertyu0921 | 0.333333
qwertyu0922 | 0.333333
qwertyu0923 | 0.333333
qwertyu0924 | 0.333333
qwertyu0925 | 0.333333
qwertyu0926 | 0.333333
qwertyu0927 | 0.333333
qwertyu0928 | 0.333333
qwertyu0929 | 0.333333
qwertyu0930 | 0.333333
qwertyu0931 | 0.333333
qwertyu0932 | 0.333333
qwertyu0933 | 0.333333
qwertyu0934 | 0.333333
qwertyu0935 | 0.333333
qwertyu0936 | 0.333333
qwertyu0937 | 0.333333
qwertyu0938 | 0.333333
qwertyu0939 | 0.333333
qwertyu0940 | 0.333333
qwertyu0941 | 0.333333
qwertyu0942 | 0.333333
qwertyu0943 | 0.333333
qwertyu0944 | 0.333333
qwertyu0945 | 0.333333
qwertyu0946 | 0.333333
qwertyu0947 | 0.333333
qwertyu0948 | 0.333333
qwertyu0949 | 0.333333
qwertyu0950 | 0.333333
qwertyu0951 | 0.333333
qwertyu0952 | 0.333333
qwertyu0953 | 0.333333
qwertyu0954 | 0.333333
qwertyu0955 | 0.333333
qwertyu0956 | 0.333333
qwertyu0957 | 0.333333
qwertyu0958 | 0.333333
qwertyu0959 | 0.333333
qwertyu0960 | 0.333333
qwertyu0961 | 0.333333
qwertyu0962 | 0.333333
qwertyu0963 | 0.333333
qwertyu0964 | 0.333333
qwertyu0965 | 0.333333
qwertyu0966 | 0.333333
qwertyu0967 | 0.333333
qwertyu0968 | 0.333333
qwertyu0969 | 0.333333
qwertyu0970 | 0.333333
qwertyu0971 | 0.333333
qwertyu0972 | 0.333333
qwertyu0973 | 0.333333
qwertyu0974 | 0.333333
qwertyu0975 | 0.333333
qwertyu0976 | 0.333333
qwertyu0977 | 0.333333
qwertyu0978 | 0.333333
qwertyu0979 | 0.333333
qwertyu0990 | 0.333333
qwertyu0991 | 0.333333
qwertyu0992 | 0.333333
qwertyu0993 | 0.333333
qwertyu0994 | 0.333333
qwertyu0995 | 0.333333
qwertyu0996 | 0.333333
qwertyu0997 | 0.333333
qwertyu0998 | 0.333333
qwertyu0999 | 0.333333
(110 rows)
select t,similarity(t,'gwertyu1988') as sml from test_trgm where t % 'gwertyu1988' order by sml desc, t;
t | sml
-------------+----------
qwertyu0988 | 0.333333
(1 row)
explain (costs off)
select t <-> 'q0987wertyu0988', t from test_trgm order by t <-> 'q0987wertyu0988' limit 2;
QUERY PLAN
---------------------------------------------------
Limit
-> Index Scan using trgm_idx on test_trgm
Order By: (t <-> 'q0987wertyu0988'::text)
(3 rows)
select t <-> 'q0987wertyu0988', t from test_trgm order by t <-> 'q0987wertyu0988' limit 2;
?column? | t
----------+-------------
0.411765 | qwertyu0988
0.5 | qwertyu0987
(2 rows)
drop index trgm_idx;
create index trgm_idx on test_trgm using gin (t gin_trgm_ops);
set enable_seqscan=off;
select t,similarity(t,'qwertyu0988') as sml from test_trgm where t % 'qwertyu0988' order by sml desc, t;
t | sml
-------------+----------
qwertyu0988 | 1
qwertyu0980 | 0.714286
qwertyu0981 | 0.714286
qwertyu0982 | 0.714286
qwertyu0983 | 0.714286
qwertyu0984 | 0.714286
qwertyu0985 | 0.714286
qwertyu0986 | 0.714286
qwertyu0987 | 0.714286
qwertyu0989 | 0.714286
qwertyu0088 | 0.6
qwertyu0098 | 0.6
qwertyu0188 | 0.6
qwertyu0288 | 0.6
qwertyu0388 | 0.6
qwertyu0488 | 0.6
qwertyu0588 | 0.6
qwertyu0688 | 0.6
qwertyu0788 | 0.6
qwertyu0888 | 0.6
qwertyu0900 | 0.6
qwertyu0901 | 0.6
qwertyu0902 | 0.6
qwertyu0903 | 0.6
qwertyu0904 | 0.6
qwertyu0905 | 0.6
qwertyu0906 | 0.6
qwertyu0907 | 0.6
qwertyu0908 | 0.6
qwertyu0909 | 0.6
qwertyu0910 | 0.6
qwertyu0911 | 0.6
qwertyu0912 | 0.6
qwertyu0913 | 0.6
qwertyu0914 | 0.6
qwertyu0915 | 0.6
qwertyu0916 | 0.6
qwertyu0917 | 0.6
qwertyu0918 | 0.6
qwertyu0919 | 0.6
qwertyu0920 | 0.6
qwertyu0921 | 0.6
qwertyu0922 | 0.6
qwertyu0923 | 0.6
qwertyu0924 | 0.6
qwertyu0925 | 0.6
qwertyu0926 | 0.6
qwertyu0927 | 0.6
qwertyu0928 | 0.6
qwertyu0929 | 0.6
qwertyu0930 | 0.6
qwertyu0931 | 0.6
qwertyu0932 | 0.6
qwertyu0933 | 0.6
qwertyu0934 | 0.6
qwertyu0935 | 0.6
qwertyu0936 | 0.6
qwertyu0937 | 0.6
qwertyu0938 | 0.6
qwertyu0939 | 0.6
qwertyu0940 | 0.6
qwertyu0941 | 0.6
qwertyu0942 | 0.6
qwertyu0943 | 0.6
qwertyu0944 | 0.6
qwertyu0945 | 0.6
qwertyu0946 | 0.6
qwertyu0947 | 0.6
qwertyu0948 | 0.6
qwertyu0949 | 0.6
qwertyu0950 | 0.6
qwertyu0951 | 0.6
qwertyu0952 | 0.6
qwertyu0953 | 0.6
qwertyu0954 | 0.6
qwertyu0955 | 0.6
qwertyu0956 | 0.6
qwertyu0957 | 0.6
qwertyu0958 | 0.6
qwertyu0959 | 0.6
qwertyu0960 | 0.6
qwertyu0961 | 0.6
qwertyu0962 | 0.6
qwertyu0963 | 0.6
qwertyu0964 | 0.6
qwertyu0965 | 0.6
qwertyu0966 | 0.6
qwertyu0967 | 0.6
qwertyu0968 | 0.6
qwertyu0969 | 0.6
qwertyu0970 | 0.6
qwertyu0971 | 0.6
qwertyu0972 | 0.6
qwertyu0973 | 0.6
qwertyu0974 | 0.6
qwertyu0975 | 0.6
qwertyu0976 | 0.6
qwertyu0977 | 0.6
qwertyu0978 | 0.6
qwertyu0979 | 0.6
qwertyu0990 | 0.6
qwertyu0991 | 0.6
qwertyu0992 | 0.6
qwertyu0993 | 0.6
qwertyu0994 | 0.6
qwertyu0995 | 0.6
qwertyu0996 | 0.6
qwertyu0997 | 0.6
qwertyu0998 | 0.6
qwertyu0999 | 0.6
qwertyu0001 | 0.5
qwertyu0002 | 0.5
qwertyu0003 | 0.5
qwertyu0004 | 0.5
qwertyu0005 | 0.5
qwertyu0006 | 0.5
qwertyu0007 | 0.5
qwertyu0008 | 0.5
qwertyu0009 | 0.5
qwertyu0010 | 0.5
qwertyu0011 | 0.5
qwertyu0012 | 0.5
qwertyu0013 | 0.5
qwertyu0014 | 0.5
qwertyu0015 | 0.5
qwertyu0016 | 0.5
qwertyu0017 | 0.5
qwertyu0018 | 0.5
qwertyu0019 | 0.5
qwertyu0020 | 0.5
qwertyu0021 | 0.5
qwertyu0022 | 0.5
qwertyu0023 | 0.5
qwertyu0024 | 0.5
qwertyu0025 | 0.5
qwertyu0026 | 0.5
qwertyu0027 | 0.5
qwertyu0028 | 0.5
qwertyu0029 | 0.5
qwertyu0030 | 0.5
qwertyu0031 | 0.5
qwertyu0032 | 0.5
qwertyu0033 | 0.5
qwertyu0034 | 0.5
qwertyu0035 | 0.5
qwertyu0036 | 0.5
qwertyu0037 | 0.5
qwertyu0038 | 0.5
qwertyu0039 | 0.5
qwertyu0040 | 0.5
qwertyu0041 | 0.5
qwertyu0042 | 0.5
qwertyu0043 | 0.5
qwertyu0044 | 0.5
qwertyu0045 | 0.5
qwertyu0046 | 0.5
qwertyu0047 | 0.5
qwertyu0048 | 0.5
qwertyu0049 | 0.5
qwertyu0050 | 0.5
qwertyu0051 | 0.5
qwertyu0052 | 0.5
qwertyu0053 | 0.5
qwertyu0054 | 0.5
qwertyu0055 | 0.5
qwertyu0056 | 0.5
qwertyu0057 | 0.5
qwertyu0058 | 0.5
qwertyu0059 | 0.5
qwertyu0060 | 0.5
qwertyu0061 | 0.5
qwertyu0062 | 0.5
qwertyu0063 | 0.5
qwertyu0064 | 0.5
qwertyu0065 | 0.5
qwertyu0066 | 0.5
qwertyu0067 | 0.5
qwertyu0068 | 0.5
qwertyu0069 | 0.5
qwertyu0070 | 0.5
qwertyu0071 | 0.5
qwertyu0072 | 0.5
qwertyu0073 | 0.5
qwertyu0074 | 0.5
qwertyu0075 | 0.5
qwertyu0076 | 0.5
qwertyu0077 | 0.5
qwertyu0078 | 0.5
qwertyu0079 | 0.5
qwertyu0080 | 0.5
qwertyu0081 | 0.5
qwertyu0082 | 0.5
qwertyu0083 | 0.5
qwertyu0084 | 0.5
qwertyu0085 | 0.5
qwertyu0086 | 0.5
qwertyu0087 | 0.5
qwertyu0089 | 0.5
qwertyu0090 | 0.5
qwertyu0091 | 0.5
qwertyu0092 | 0.5
qwertyu0093 | 0.5
qwertyu0094 | 0.5
qwertyu0095 | 0.5
qwertyu0096 | 0.5
qwertyu0097 | 0.5
qwertyu0099 | 0.5
qwertyu0100 | 0.5
qwertyu0101 | 0.5
qwertyu0102 | 0.5
qwertyu0103 | 0.5
qwertyu0104 | 0.5
qwertyu0105 | 0.5
qwertyu0106 | 0.5
qwertyu0107 | 0.5
qwertyu0108 | 0.5
qwertyu0109 | 0.5
qwertyu0110 | 0.5
qwertyu0111 | 0.5
qwertyu0112 | 0.5
qwertyu0113 | 0.5
qwertyu0114 | 0.5
qwertyu0115 | 0.5
qwertyu0116 | 0.5
qwertyu0117 | 0.5
qwertyu0118 | 0.5
qwertyu0119 | 0.5
qwertyu0120 | 0.5
qwertyu0121 | 0.5
qwertyu0122 | 0.5
qwertyu0123 | 0.5
qwertyu0124 | 0.5
qwertyu0125 | 0.5
qwertyu0126 | 0.5
qwertyu0127 | 0.5
qwertyu0128 | 0.5
qwertyu0129 | 0.5
qwertyu0130 | 0.5
qwertyu0131 | 0.5
qwertyu0132 | 0.5
qwertyu0133 | 0.5
qwertyu0134 | 0.5
qwertyu0135 | 0.5
qwertyu0136 | 0.5
qwertyu0137 | 0.5
qwertyu0138 | 0.5
qwertyu0139 | 0.5
qwertyu0140 | 0.5
qwertyu0141 | 0.5
qwertyu0142 | 0.5
qwertyu0143 | 0.5
qwertyu0144 | 0.5
qwertyu0145 | 0.5
qwertyu0146 | 0.5
qwertyu0147 | 0.5
qwertyu0148 | 0.5
qwertyu0149 | 0.5
qwertyu0150 | 0.5
qwertyu0151 | 0.5
qwertyu0152 | 0.5
qwertyu0153 | 0.5
qwertyu0154 | 0.5
qwertyu0155 | 0.5
qwertyu0156 | 0.5
qwertyu0157 | 0.5
qwertyu0158 | 0.5
qwertyu0159 | 0.5
qwertyu0160 | 0.5
qwertyu0161 | 0.5
qwertyu0162 | 0.5
qwertyu0163 | 0.5
qwertyu0164 | 0.5
qwertyu0165 | 0.5
qwertyu0166 | 0.5
qwertyu0167 | 0.5
qwertyu0168 | 0.5
qwertyu0169 | 0.5
qwertyu0170 | 0.5
qwertyu0171 | 0.5
qwertyu0172 | 0.5
qwertyu0173 | 0.5
qwertyu0174 | 0.5
qwertyu0175 | 0.5
qwertyu0176 | 0.5
qwertyu0177 | 0.5
qwertyu0178 | 0.5
qwertyu0179 | 0.5
qwertyu0180 | 0.5
qwertyu0181 | 0.5
qwertyu0182 | 0.5
qwertyu0183 | 0.5
qwertyu0184 | 0.5
qwertyu0185 | 0.5
qwertyu0186 | 0.5
qwertyu0187 | 0.5
qwertyu0189 | 0.5
qwertyu0190 | 0.5
qwertyu0191 | 0.5
qwertyu0192 | 0.5
qwertyu0193 | 0.5
qwertyu0194 | 0.5
qwertyu0195 | 0.5
qwertyu0196 | 0.5
qwertyu0197 | 0.5
qwertyu0198 | 0.5
qwertyu0199 | 0.5
qwertyu0200 | 0.5
qwertyu0201 | 0.5
qwertyu0202 | 0.5
qwertyu0203 | 0.5
qwertyu0204 | 0.5
qwertyu0205 | 0.5
qwertyu0206 | 0.5
qwertyu0207 | 0.5
qwertyu0208 | 0.5
qwertyu0209 | 0.5
qwertyu0210 | 0.5
qwertyu0211 | 0.5
qwertyu0212 | 0.5
qwertyu0213 | 0.5
qwertyu0214 | 0.5
qwertyu0215 | 0.5
qwertyu0216 | 0.5
qwertyu0217 | 0.5
qwertyu0218 | 0.5
qwertyu0219 | 0.5
qwertyu0220 | 0.5
qwertyu0221 | 0.5
qwertyu0222 | 0.5
qwertyu0223 | 0.5
qwertyu0224 | 0.5
qwertyu0225 | 0.5
qwertyu0226 | 0.5
qwertyu0227 | 0.5
qwertyu0228 | 0.5
qwertyu0229 | 0.5
qwertyu0230 | 0.5
qwertyu0231 | 0.5
qwertyu0232 | 0.5
qwertyu0233 | 0.5
qwertyu0234 | 0.5
qwertyu0235 | 0.5
qwertyu0236 | 0.5
qwertyu0237 | 0.5
qwertyu0238 | 0.5
qwertyu0239 | 0.5
qwertyu0240 | 0.5
qwertyu0241 | 0.5
qwertyu0242 | 0.5
qwertyu0243 | 0.5
qwertyu0244 | 0.5
qwertyu0245 | 0.5
qwertyu0246 | 0.5
qwertyu0247 | 0.5
qwertyu0248 | 0.5
qwertyu0249 | 0.5
qwertyu0250 | 0.5
qwertyu0251 | 0.5
qwertyu0252 | 0.5
qwertyu0253 | 0.5
qwertyu0254 | 0.5
qwertyu0255 | 0.5
qwertyu0256 | 0.5
qwertyu0257 | 0.5
qwertyu0258 | 0.5
qwertyu0259 | 0.5
qwertyu0260 | 0.5
qwertyu0261 | 0.5
qwertyu0262 | 0.5
qwertyu0263 | 0.5
qwertyu0264 | 0.5
qwertyu0265 | 0.5
qwertyu0266 | 0.5
qwertyu0267 | 0.5
qwertyu0268 | 0.5
qwertyu0269 | 0.5
qwertyu0270 | 0.5
qwertyu0271 | 0.5
qwertyu0272 | 0.5
qwertyu0273 | 0.5
qwertyu0274 | 0.5
qwertyu0275 | 0.5
qwertyu0276 | 0.5
qwertyu0277 | 0.5
qwertyu0278 | 0.5
qwertyu0279 | 0.5
qwertyu0280 | 0.5
qwertyu0281 | 0.5
qwertyu0282 | 0.5
qwertyu0283 | 0.5
qwertyu0284 | 0.5
qwertyu0285 | 0.5
qwertyu0286 | 0.5
qwertyu0287 | 0.5
qwertyu0289 | 0.5
qwertyu0290 | 0.5
qwertyu0291 | 0.5
qwertyu0292 | 0.5
qwertyu0293 | 0.5
qwertyu0294 | 0.5
qwertyu0295 | 0.5
qwertyu0296 | 0.5
qwertyu0297 | 0.5
qwertyu0298 | 0.5
qwertyu0299 | 0.5
qwertyu0300 | 0.5
qwertyu0301 | 0.5
qwertyu0302 | 0.5
qwertyu0303 | 0.5
qwertyu0304 | 0.5
qwertyu0305 | 0.5
qwertyu0306 | 0.5
qwertyu0307 | 0.5
qwertyu0308 | 0.5
qwertyu0309 | 0.5
qwertyu0310 | 0.5
qwertyu0311 | 0.5
qwertyu0312 | 0.5
qwertyu0313 | 0.5
qwertyu0314 | 0.5
qwertyu0315 | 0.5
qwertyu0316 | 0.5
qwertyu0317 | 0.5
qwertyu0318 | 0.5
qwertyu0319 | 0.5
qwertyu0320 | 0.5
qwertyu0321 | 0.5
qwertyu0322 | 0.5
qwertyu0323 | 0.5
qwertyu0324 | 0.5
qwertyu0325 | 0.5
qwertyu0326 | 0.5
qwertyu0327 | 0.5
qwertyu0328 | 0.5
qwertyu0329 | 0.5
qwertyu0330 | 0.5
qwertyu0331 | 0.5
qwertyu0332 | 0.5
qwertyu0333 | 0.5
qwertyu0334 | 0.5
qwertyu0335 | 0.5
qwertyu0336 | 0.5
qwertyu0337 | 0.5
qwertyu0338 | 0.5
qwertyu0339 | 0.5
qwertyu0340 | 0.5
qwertyu0341 | 0.5
qwertyu0342 | 0.5
qwertyu0343 | 0.5
qwertyu0344 | 0.5
qwertyu0345 | 0.5
qwertyu0346 | 0.5
qwertyu0347 | 0.5
qwertyu0348 | 0.5
qwertyu0349 | 0.5
qwertyu0350 | 0.5
qwertyu0351 | 0.5
qwertyu0352 | 0.5
qwertyu0353 | 0.5
qwertyu0354 | 0.5
qwertyu0355 | 0.5
qwertyu0356 | 0.5
qwertyu0357 | 0.5
qwertyu0358 | 0.5
qwertyu0359 | 0.5
qwertyu0360 | 0.5
qwertyu0361 | 0.5
qwertyu0362 | 0.5
qwertyu0363 | 0.5
qwertyu0364 | 0.5
qwertyu0365 | 0.5
qwertyu0366 | 0.5
qwertyu0367 | 0.5
qwertyu0368 | 0.5
qwertyu0369 | 0.5
qwertyu0370 | 0.5
qwertyu0371 | 0.5
qwertyu0372 | 0.5
qwertyu0373 | 0.5
qwertyu0374 | 0.5
qwertyu0375 | 0.5
qwertyu0376 | 0.5
qwertyu0377 | 0.5
qwertyu0378 | 0.5
qwertyu0379 | 0.5
qwertyu0380 | 0.5
qwertyu0381 | 0.5
qwertyu0382 | 0.5
qwertyu0383 | 0.5
qwertyu0384 | 0.5
qwertyu0385 | 0.5
qwertyu0386 | 0.5
qwertyu0387 | 0.5
qwertyu0389 | 0.5
qwertyu0390 | 0.5
qwertyu0391 | 0.5
qwertyu0392 | 0.5
qwertyu0393 | 0.5
qwertyu0394 | 0.5
qwertyu0395 | 0.5
qwertyu0396 | 0.5
qwertyu0397 | 0.5
qwertyu0398 | 0.5
qwertyu0399 | 0.5
qwertyu0400 | 0.5
qwertyu0401 | 0.5
qwertyu0402 | 0.5
qwertyu0403 | 0.5
qwertyu0404 | 0.5
qwertyu0405 | 0.5
qwertyu0406 | 0.5
qwertyu0407 | 0.5
qwertyu0408 | 0.5
qwertyu0409 | 0.5
qwertyu0410 | 0.5
qwertyu0411 | 0.5
qwertyu0412 | 0.5
qwertyu0413 | 0.5
qwertyu0414 | 0.5
qwertyu0415 | 0.5
qwertyu0416 | 0.5
qwertyu0417 | 0.5
qwertyu0418 | 0.5
qwertyu0419 | 0.5
qwertyu0420 | 0.5
qwertyu0421 | 0.5
qwertyu0422 | 0.5
qwertyu0423 | 0.5
qwertyu0424 | 0.5
qwertyu0425 | 0.5
qwertyu0426 | 0.5
qwertyu0427 | 0.5
qwertyu0428 | 0.5
qwertyu0429 | 0.5
qwertyu0430 | 0.5
qwertyu0431 | 0.5
qwertyu0432 | 0.5
qwertyu0433 | 0.5
qwertyu0434 | 0.5
qwertyu0435 | 0.5
qwertyu0436 | 0.5
qwertyu0437 | 0.5
qwertyu0438 | 0.5
qwertyu0439 | 0.5
qwertyu0440 | 0.5
qwertyu0441 | 0.5
qwertyu0442 | 0.5
qwertyu0443 | 0.5
qwertyu0444 | 0.5
qwertyu0445 | 0.5
qwertyu0446 | 0.5
qwertyu0447 | 0.5
qwertyu0448 | 0.5
qwertyu0449 | 0.5
qwertyu0450 | 0.5
qwertyu0451 | 0.5
qwertyu0452 | 0.5
qwertyu0453 | 0.5
qwertyu0454 | 0.5
qwertyu0455 | 0.5
qwertyu0456 | 0.5
qwertyu0457 | 0.5
qwertyu0458 | 0.5
qwertyu0459 | 0.5
qwertyu0460 | 0.5
qwertyu0461 | 0.5
qwertyu0462 | 0.5
qwertyu0463 | 0.5
qwertyu0464 | 0.5
qwertyu0465 | 0.5
qwertyu0466 | 0.5
qwertyu0467 | 0.5
qwertyu0468 | 0.5
qwertyu0469 | 0.5
qwertyu0470 | 0.5
qwertyu0471 | 0.5
qwertyu0472 | 0.5
qwertyu0473 | 0.5
qwertyu0474 | 0.5
qwertyu0475 | 0.5
qwertyu0476 | 0.5
qwertyu0477 | 0.5
qwertyu0478 | 0.5
qwertyu0479 | 0.5
qwertyu0480 | 0.5
qwertyu0481 | 0.5
qwertyu0482 | 0.5
qwertyu0483 | 0.5
qwertyu0484 | 0.5
qwertyu0485 | 0.5
qwertyu0486 | 0.5
qwertyu0487 | 0.5
qwertyu0489 | 0.5
qwertyu0490 | 0.5
qwertyu0491 | 0.5
qwertyu0492 | 0.5
qwertyu0493 | 0.5
qwertyu0494 | 0.5
qwertyu0495 | 0.5
qwertyu0496 | 0.5
qwertyu0497 | 0.5
qwertyu0498 | 0.5
qwertyu0499 | 0.5
qwertyu0500 | 0.5
qwertyu0501 | 0.5
qwertyu0502 | 0.5
qwertyu0503 | 0.5
qwertyu0504 | 0.5
qwertyu0505 | 0.5
qwertyu0506 | 0.5
qwertyu0507 | 0.5
qwertyu0508 | 0.5
qwertyu0509 | 0.5
qwertyu0510 | 0.5
qwertyu0511 | 0.5
qwertyu0512 | 0.5
qwertyu0513 | 0.5
qwertyu0514 | 0.5
qwertyu0515 | 0.5
qwertyu0516 | 0.5
qwertyu0517 | 0.5
qwertyu0518 | 0.5
qwertyu0519 | 0.5
qwertyu0520 | 0.5
qwertyu0521 | 0.5
qwertyu0522 | 0.5
qwertyu0523 | 0.5
qwertyu0524 | 0.5
qwertyu0525 | 0.5
qwertyu0526 | 0.5
qwertyu0527 | 0.5
qwertyu0528 | 0.5
qwertyu0529 | 0.5
qwertyu0530 | 0.5
qwertyu0531 | 0.5
qwertyu0532 | 0.5
qwertyu0533 | 0.5
qwertyu0534 | 0.5
qwertyu0535 | 0.5
qwertyu0536 | 0.5
qwertyu0537 | 0.5
qwertyu0538 | 0.5
qwertyu0539 | 0.5
qwertyu0540 | 0.5
qwertyu0541 | 0.5
qwertyu0542 | 0.5
qwertyu0543 | 0.5
qwertyu0544 | 0.5
qwertyu0545 | 0.5
qwertyu0546 | 0.5
qwertyu0547 | 0.5
qwertyu0548 | 0.5
qwertyu0549 | 0.5
qwertyu0550 | 0.5
qwertyu0551 | 0.5
qwertyu0552 | 0.5
qwertyu0553 | 0.5
qwertyu0554 | 0.5
qwertyu0555 | 0.5
qwertyu0556 | 0.5
qwertyu0557 | 0.5
qwertyu0558 | 0.5
qwertyu0559 | 0.5
qwertyu0560 | 0.5
qwertyu0561 | 0.5
qwertyu0562 | 0.5
qwertyu0563 | 0.5
qwertyu0564 | 0.5
qwertyu0565 | 0.5
qwertyu0566 | 0.5
qwertyu0567 | 0.5
qwertyu0568 | 0.5
qwertyu0569 | 0.5
qwertyu0570 | 0.5
qwertyu0571 | 0.5
qwertyu0572 | 0.5
qwertyu0573 | 0.5
qwertyu0574 | 0.5
qwertyu0575 | 0.5
qwertyu0576 | 0.5
qwertyu0577 | 0.5
qwertyu0578 | 0.5
qwertyu0579 | 0.5
qwertyu0580 | 0.5
qwertyu0581 | 0.5
qwertyu0582 | 0.5
qwertyu0583 | 0.5
qwertyu0584 | 0.5
qwertyu0585 | 0.5
qwertyu0586 | 0.5
qwertyu0587 | 0.5
qwertyu0589 | 0.5
qwertyu0590 | 0.5
qwertyu0591 | 0.5
qwertyu0592 | 0.5
qwertyu0593 | 0.5
qwertyu0594 | 0.5
qwertyu0595 | 0.5
qwertyu0596 | 0.5
qwertyu0597 | 0.5
qwertyu0598 | 0.5
qwertyu0599 | 0.5
qwertyu0600 | 0.5
qwertyu0601 | 0.5
qwertyu0602 | 0.5
qwertyu0603 | 0.5
qwertyu0604 | 0.5
qwertyu0605 | 0.5
qwertyu0606 | 0.5
qwertyu0607 | 0.5
qwertyu0608 | 0.5
qwertyu0609 | 0.5
qwertyu0610 | 0.5
qwertyu0611 | 0.5
qwertyu0612 | 0.5
qwertyu0613 | 0.5
qwertyu0614 | 0.5
qwertyu0615 | 0.5
qwertyu0616 | 0.5
qwertyu0617 | 0.5
qwertyu0618 | 0.5
qwertyu0619 | 0.5
qwertyu0620 | 0.5
qwertyu0621 | 0.5
qwertyu0622 | 0.5
qwertyu0623 | 0.5
qwertyu0624 | 0.5
qwertyu0625 | 0.5
qwertyu0626 | 0.5
qwertyu0627 | 0.5
qwertyu0628 | 0.5
qwertyu0629 | 0.5
qwertyu0630 | 0.5
qwertyu0631 | 0.5
qwertyu0632 | 0.5
qwertyu0633 | 0.5
qwertyu0634 | 0.5
qwertyu0635 | 0.5
qwertyu0636 | 0.5
qwertyu0637 | 0.5
qwertyu0638 | 0.5
qwertyu0639 | 0.5
qwertyu0640 | 0.5
qwertyu0641 | 0.5
qwertyu0642 | 0.5
qwertyu0643 | 0.5
qwertyu0644 | 0.5
qwertyu0645 | 0.5
qwertyu0646 | 0.5
qwertyu0647 | 0.5
qwertyu0648 | 0.5
qwertyu0649 | 0.5
qwertyu0650 | 0.5
qwertyu0651 | 0.5
qwertyu0652 | 0.5
qwertyu0653 | 0.5
qwertyu0654 | 0.5
qwertyu0655 | 0.5
qwertyu0656 | 0.5
qwertyu0657 | 0.5
qwertyu0658 | 0.5
qwertyu0659 | 0.5
qwertyu0660 | 0.5
qwertyu0661 | 0.5
qwertyu0662 | 0.5
qwertyu0663 | 0.5
qwertyu0664 | 0.5
qwertyu0665 | 0.5
qwertyu0666 | 0.5
qwertyu0667 | 0.5
qwertyu0668 | 0.5
qwertyu0669 | 0.5
qwertyu0670 | 0.5
qwertyu0671 | 0.5
qwertyu0672 | 0.5
qwertyu0673 | 0.5
qwertyu0674 | 0.5
qwertyu0675 | 0.5
qwertyu0676 | 0.5
qwertyu0677 | 0.5
qwertyu0678 | 0.5
qwertyu0679 | 0.5
qwertyu0680 | 0.5
qwertyu0681 | 0.5
qwertyu0682 | 0.5
qwertyu0683 | 0.5
qwertyu0684 | 0.5
qwertyu0685 | 0.5
qwertyu0686 | 0.5
qwertyu0687 | 0.5
qwertyu0689 | 0.5
qwertyu0690 | 0.5
qwertyu0691 | 0.5
qwertyu0692 | 0.5
qwertyu0693 | 0.5
qwertyu0694 | 0.5
qwertyu0695 | 0.5
qwertyu0696 | 0.5
qwertyu0697 | 0.5
qwertyu0698 | 0.5
qwertyu0699 | 0.5
qwertyu0700 | 0.5
qwertyu0701 | 0.5
qwertyu0702 | 0.5
qwertyu0703 | 0.5
qwertyu0704 | 0.5
qwertyu0705 | 0.5
qwertyu0706 | 0.5
qwertyu0707 | 0.5
qwertyu0708 | 0.5
qwertyu0709 | 0.5
qwertyu0710 | 0.5
qwertyu0711 | 0.5
qwertyu0712 | 0.5
qwertyu0713 | 0.5
qwertyu0714 | 0.5
qwertyu0715 | 0.5
qwertyu0716 | 0.5
qwertyu0717 | 0.5
qwertyu0718 | 0.5
qwertyu0719 | 0.5
qwertyu0720 | 0.5
qwertyu0721 | 0.5
qwertyu0722 | 0.5
qwertyu0723 | 0.5
qwertyu0724 | 0.5
qwertyu0725 | 0.5
qwertyu0726 | 0.5
qwertyu0727 | 0.5
qwertyu0728 | 0.5
qwertyu0729 | 0.5
qwertyu0730 | 0.5
qwertyu0731 | 0.5
qwertyu0732 | 0.5
qwertyu0733 | 0.5
qwertyu0734 | 0.5
qwertyu0735 | 0.5
qwertyu0736 | 0.5
qwertyu0737 | 0.5
qwertyu0738 | 0.5
qwertyu0739 | 0.5
qwertyu0740 | 0.5
qwertyu0741 | 0.5
qwertyu0742 | 0.5
qwertyu0743 | 0.5
qwertyu0744 | 0.5
qwertyu0745 | 0.5
qwertyu0746 | 0.5
qwertyu0747 | 0.5
qwertyu0748 | 0.5
qwertyu0749 | 0.5
qwertyu0750 | 0.5
qwertyu0751 | 0.5
qwertyu0752 | 0.5
qwertyu0753 | 0.5
qwertyu0754 | 0.5
qwertyu0755 | 0.5
qwertyu0756 | 0.5
qwertyu0757 | 0.5
qwertyu0758 | 0.5
qwertyu0759 | 0.5
qwertyu0760 | 0.5
qwertyu0761 | 0.5
qwertyu0762 | 0.5
qwertyu0763 | 0.5
qwertyu0764 | 0.5
qwertyu0765 | 0.5
qwertyu0766 | 0.5
qwertyu0767 | 0.5
qwertyu0768 | 0.5
qwertyu0769 | 0.5
qwertyu0770 | 0.5
qwertyu0771 | 0.5
qwertyu0772 | 0.5
qwertyu0773 | 0.5
qwertyu0774 | 0.5
qwertyu0775 | 0.5
qwertyu0776 | 0.5
qwertyu0777 | 0.5
qwertyu0778 | 0.5
qwertyu0779 | 0.5
qwertyu0780 | 0.5
qwertyu0781 | 0.5
qwertyu0782 | 0.5
qwertyu0783 | 0.5
qwertyu0784 | 0.5
qwertyu0785 | 0.5
qwertyu0786 | 0.5
qwertyu0787 | 0.5
qwertyu0789 | 0.5
qwertyu0790 | 0.5
qwertyu0791 | 0.5
qwertyu0792 | 0.5
qwertyu0793 | 0.5
qwertyu0794 | 0.5
qwertyu0795 | 0.5
qwertyu0796 | 0.5
qwertyu0797 | 0.5
qwertyu0798 | 0.5
qwertyu0799 | 0.5
qwertyu0800 | 0.5
qwertyu0801 | 0.5
qwertyu0802 | 0.5
qwertyu0803 | 0.5
qwertyu0804 | 0.5
qwertyu0805 | 0.5
qwertyu0806 | 0.5
qwertyu0807 | 0.5
qwertyu0808 | 0.5
qwertyu0809 | 0.5
qwertyu0810 | 0.5
qwertyu0811 | 0.5
qwertyu0812 | 0.5
qwertyu0813 | 0.5
qwertyu0814 | 0.5
qwertyu0815 | 0.5
qwertyu0816 | 0.5
qwertyu0817 | 0.5
qwertyu0818 | 0.5
qwertyu0819 | 0.5
qwertyu0820 | 0.5
qwertyu0821 | 0.5
qwertyu0822 | 0.5
qwertyu0823 | 0.5
qwertyu0824 | 0.5
qwertyu0825 | 0.5
qwertyu0826 | 0.5
qwertyu0827 | 0.5
qwertyu0828 | 0.5
qwertyu0829 | 0.5
qwertyu0830 | 0.5
qwertyu0831 | 0.5
qwertyu0832 | 0.5
qwertyu0833 | 0.5
qwertyu0834 | 0.5
qwertyu0835 | 0.5
qwertyu0836 | 0.5
qwertyu0837 | 0.5
qwertyu0838 | 0.5
qwertyu0839 | 0.5
qwertyu0840 | 0.5
qwertyu0841 | 0.5
qwertyu0842 | 0.5
qwertyu0843 | 0.5
qwertyu0844 | 0.5
qwertyu0845 | 0.5
qwertyu0846 | 0.5
qwertyu0847 | 0.5
qwertyu0848 | 0.5
qwertyu0849 | 0.5
qwertyu0850 | 0.5
qwertyu0851 | 0.5
qwertyu0852 | 0.5
qwertyu0853 | 0.5
qwertyu0854 | 0.5
qwertyu0855 | 0.5
qwertyu0856 | 0.5
qwertyu0857 | 0.5
qwertyu0858 | 0.5
qwertyu0859 | 0.5
qwertyu0860 | 0.5
qwertyu0861 | 0.5
qwertyu0862 | 0.5
qwertyu0863 | 0.5
qwertyu0864 | 0.5
qwertyu0865 | 0.5
qwertyu0866 | 0.5
qwertyu0867 | 0.5
qwertyu0868 | 0.5
qwertyu0869 | 0.5
qwertyu0870 | 0.5
qwertyu0871 | 0.5
qwertyu0872 | 0.5
qwertyu0873 | 0.5
qwertyu0874 | 0.5
qwertyu0875 | 0.5
qwertyu0876 | 0.5
qwertyu0877 | 0.5
qwertyu0878 | 0.5
qwertyu0879 | 0.5
qwertyu0880 | 0.5
qwertyu0881 | 0.5
qwertyu0882 | 0.5
qwertyu0883 | 0.5
qwertyu0884 | 0.5
qwertyu0885 | 0.5
qwertyu0886 | 0.5
qwertyu0887 | 0.5
qwertyu0889 | 0.5
qwertyu0890 | 0.5
qwertyu0891 | 0.5
qwertyu0892 | 0.5
qwertyu0893 | 0.5
qwertyu0894 | 0.5
qwertyu0895 | 0.5
qwertyu0896 | 0.5
qwertyu0897 | 0.5
qwertyu0898 | 0.5
qwertyu0899 | 0.5
qwertyu1000 | 0.411765
(1000 rows)
select t,similarity(t,'gwertyu0988') as sml from test_trgm where t % 'gwertyu0988' order by sml desc, t;
t | sml
-------------+----------
qwertyu0988 | 0.6
qwertyu0980 | 0.411765
qwertyu0981 | 0.411765
qwertyu0982 | 0.411765
qwertyu0983 | 0.411765
qwertyu0984 | 0.411765
qwertyu0985 | 0.411765
qwertyu0986 | 0.411765
qwertyu0987 | 0.411765
qwertyu0989 | 0.411765
qwertyu0088 | 0.333333
qwertyu0098 | 0.333333
qwertyu0188 | 0.333333
qwertyu0288 | 0.333333
qwertyu0388 | 0.333333
qwertyu0488 | 0.333333
qwertyu0588 | 0.333333
qwertyu0688 | 0.333333
qwertyu0788 | 0.333333
qwertyu0888 | 0.333333
qwertyu0900 | 0.333333
qwertyu0901 | 0.333333
qwertyu0902 | 0.333333
qwertyu0903 | 0.333333
qwertyu0904 | 0.333333
qwertyu0905 | 0.333333
qwertyu0906 | 0.333333
qwertyu0907 | 0.333333
qwertyu0908 | 0.333333
qwertyu0909 | 0.333333
qwertyu0910 | 0.333333
qwertyu0911 | 0.333333
qwertyu0912 | 0.333333
qwertyu0913 | 0.333333
qwertyu0914 | 0.333333
qwertyu0915 | 0.333333
qwertyu0916 | 0.333333
qwertyu0917 | 0.333333
qwertyu0918 | 0.333333
qwertyu0919 | 0.333333
qwertyu0920 | 0.333333
qwertyu0921 | 0.333333
qwertyu0922 | 0.333333
qwertyu0923 | 0.333333
qwertyu0924 | 0.333333
qwertyu0925 | 0.333333
qwertyu0926 | 0.333333
qwertyu0927 | 0.333333
qwertyu0928 | 0.333333
qwertyu0929 | 0.333333
qwertyu0930 | 0.333333
qwertyu0931 | 0.333333
qwertyu0932 | 0.333333
qwertyu0933 | 0.333333
qwertyu0934 | 0.333333
qwertyu0935 | 0.333333
qwertyu0936 | 0.333333
qwertyu0937 | 0.333333
qwertyu0938 | 0.333333
qwertyu0939 | 0.333333
qwertyu0940 | 0.333333
qwertyu0941 | 0.333333
qwertyu0942 | 0.333333
qwertyu0943 | 0.333333
qwertyu0944 | 0.333333
qwertyu0945 | 0.333333
qwertyu0946 | 0.333333
qwertyu0947 | 0.333333
qwertyu0948 | 0.333333
qwertyu0949 | 0.333333
qwertyu0950 | 0.333333
qwertyu0951 | 0.333333
qwertyu0952 | 0.333333
qwertyu0953 | 0.333333
qwertyu0954 | 0.333333
qwertyu0955 | 0.333333
qwertyu0956 | 0.333333
qwertyu0957 | 0.333333
qwertyu0958 | 0.333333
qwertyu0959 | 0.333333
qwertyu0960 | 0.333333
qwertyu0961 | 0.333333
qwertyu0962 | 0.333333
qwertyu0963 | 0.333333
qwertyu0964 | 0.333333
qwertyu0965 | 0.333333
qwertyu0966 | 0.333333
qwertyu0967 | 0.333333
qwertyu0968 | 0.333333
qwertyu0969 | 0.333333
qwertyu0970 | 0.333333
qwertyu0971 | 0.333333
qwertyu0972 | 0.333333
qwertyu0973 | 0.333333
qwertyu0974 | 0.333333
qwertyu0975 | 0.333333
qwertyu0976 | 0.333333
qwertyu0977 | 0.333333
qwertyu0978 | 0.333333
qwertyu0979 | 0.333333
qwertyu0990 | 0.333333
qwertyu0991 | 0.333333
qwertyu0992 | 0.333333
qwertyu0993 | 0.333333
qwertyu0994 | 0.333333
qwertyu0995 | 0.333333
qwertyu0996 | 0.333333
qwertyu0997 | 0.333333
qwertyu0998 | 0.333333
qwertyu0999 | 0.333333
(110 rows)
select t,similarity(t,'gwertyu1988') as sml from test_trgm where t % 'gwertyu1988' order by sml desc, t;
t | sml
-------------+----------
qwertyu0988 | 0.333333
(1 row)
create table test2(t text);
insert into test2 values ('abcdef');
insert into test2 values ('quark');
create index test2_idx_gin on test2 using gin (t gin_trgm_ops);
set enable_seqscan=off;
explain (costs off)
select * from test2 where t like '%BCD%';
QUERY PLAN
------------------------------------------
Bitmap Heap Scan on test2
Recheck Cond: (t ~~ '%BCD%'::text)
-> Bitmap Index Scan on test2_idx_gin
Index Cond: (t ~~ '%BCD%'::text)
(4 rows)
explain (costs off)
select * from test2 where t ilike '%BCD%';
QUERY PLAN
-------------------------------------------
Bitmap Heap Scan on test2
Recheck Cond: (t ~~* '%BCD%'::text)
-> Bitmap Index Scan on test2_idx_gin
Index Cond: (t ~~* '%BCD%'::text)
(4 rows)
select * from test2 where t like '%BCD%';
t
---
(0 rows)
select * from test2 where t like '%bcd%';
t
--------
abcdef
(1 row)
select * from test2 where t like E'%\\bcd%';
t
--------
abcdef
(1 row)
select * from test2 where t ilike '%BCD%';
t
--------
abcdef
(1 row)
select * from test2 where t ilike 'qua%';
t
-------
quark
(1 row)
drop index test2_idx_gin;
create index test2_idx_gist on test2 using gist (t gist_trgm_ops);
set enable_seqscan=off;
explain (costs off)
select * from test2 where t like '%BCD%';
QUERY PLAN
------------------------------------------
Index Scan using test2_idx_gist on test2
Index Cond: (t ~~ '%BCD%'::text)
(2 rows)
explain (costs off)
select * from test2 where t ilike '%BCD%';
QUERY PLAN
------------------------------------------
Index Scan using test2_idx_gist on test2
Index Cond: (t ~~* '%BCD%'::text)
(2 rows)
select * from test2 where t like '%BCD%';
t
---
(0 rows)
select * from test2 where t like '%bcd%';
t
--------
abcdef
(1 row)
select * from test2 where t like E'%\\bcd%';
t
--------
abcdef
(1 row)
select * from test2 where t ilike '%BCD%';
t
--------
abcdef
(1 row)
select * from test2 where t ilike 'qua%';
t
-------
quark
(1 row)