5.0 KiB
5.0 KiB
| 1 | taos> select RAND(1245) |
|---|---|
| 2 | rand(1245) | |
| 3 | ============================ |
| 4 | 0.663936012733698 | |
| 5 | taos> select RAND(id) from ts_4893.d0 limit 10 |
| 6 | rand(id) | |
| 7 | ============================ |
| 8 | 0.840187717154710 | |
| 9 | 0.840187717154710 | |
| 10 | 0.700976369297587 | |
| 11 | 0.561380175203728 | |
| 12 | 0.916457875592847 | |
| 13 | 0.274745596235034 | |
| 14 | 0.135438768721856 | |
| 15 | 0.486904139391568 | |
| 16 | 0.352760728612896 | |
| 17 | 0.206965447965528 | |
| 18 | taos> select RAND(id) from ts_4893.d0 order by id desc limit 10 |
| 19 | rand(id) | |
| 20 | ============================ |
| 21 | 0.419929514834624 | |
| 22 | 0.419929514834624 | |
| 23 | 0.419929514834624 | |
| 24 | 0.419929514834624 | |
| 25 | 0.419929514834624 | |
| 26 | 0.419929514834624 | |
| 27 | 0.419929514834624 | |
| 28 | 0.419929514834624 | |
| 29 | 0.419929514834624 | |
| 30 | 0.419929514834624 | |
| 31 | taos> select rand(0) |
| 32 | rand(0) | |
| 33 | ============================ |
| 34 | 0.840187717154710 | |
| 35 | taos> select rand(1) |
| 36 | rand(1) | |
| 37 | ============================ |
| 38 | 0.840187717154710 | |
| 39 | taos> select rand(-1) |
| 40 | rand(-1) | |
| 41 | ============================ |
| 42 | 0.118708995691831 | |
| 43 | taos> select rand(12345678901234567890) |
| 44 | rand(12345678901234567890) | |
| 45 | ============================= |
| 46 | 2.008294813338805e-01 | |
| 47 | taos> select rand(-12345678901234567890) |
| 48 | rand(-12345678901234567890) | |
| 49 | ============================== |
| 50 | 8.401877171547095e-01 | |
| 51 | rand(12345) | rand(12345) | |
| 52 | ======================================================== |
| 53 | 0.178395304446293 | 0.178395304446293 | |
| 54 | taos> select rand(9999999999) where rand(9999999999) >= 0 and rand(9999999999) < 1 |
| 55 | rand(9999999999) | |
| 56 | ============================ |
| 57 | 0.321409397442550 | |
| 58 | taos> select rand(id) from ts_4893.meters limit 100 |
| 59 | rand(id) | |
| 60 | ============================ |
| 61 | 0.840187717154710 | |
| 62 | 0.840187717154710 | |
| 63 | 0.700976369297587 | |
| 64 | 0.561380175203728 | |
| 65 | 0.916457875592847 | |
| 66 | 0.274745596235034 | |
| 67 | 0.135438768721856 | |
| 68 | 0.486904139391568 | |
| 69 | 0.352760728612896 | |
| 70 | 0.206965447965528 | |
| 71 | 0.565810732341283 | |
| 72 | 0.926345318521534 | |
| 73 | 0.785600282617658 | |
| 74 | 0.632643183056565 | |
| 75 | 0.999498499557142 | |
| 76 | 0.354973177125199 | |
| 77 | 0.215437470104283 | |
| 78 | 0.571794000254848 | |
| 79 | 0.929072778173291 | |
| 80 | 0.290233385418650 | |
| 81 | 0.148812267532950 | |
| 82 | 0.505899571117898 | |
| 83 | 0.865026922367991 | |
| 84 | 0.727581746283724 | |
| 85 | 0.087714229285584 | |
| 86 | 0.939356191986872 | |
| 87 | 0.795545781867367 | |
| 88 | 0.659832971943465 | |
| 89 | 0.517155105023251 | |
| 90 | 0.875989373715589 | |
| 91 | 0.229967075041480 | |
| 92 | 0.592119012303706 | |
| 93 | 0.449675684072858 | |
| 94 | 0.307948935454688 | |
| 95 | 0.168970021497910 | |
| 96 | 0.524489704763745 | |
| 97 | 0.381259786142623 | |
| 98 | 0.239412393066758 | |
| 99 | 0.598226357529977 | |
| 100 | 0.957148446215851 | |
| 101 | 0.819422913165494 | |
| 102 | 0.670246056127477 | |
| 103 | 0.033469948001890 | |
| 104 | 0.392149003405193 | |
| 105 | 0.749737140606035 | |
| 106 | 0.608923980318440 | |
| 107 | 0.469695958061933 | |
| 108 | 0.825680229266025 | |
| 109 | 0.683865774275673 | |
| 110 | 0.041811583583155 | |
| 111 | 0.894321223206036 | |
| 112 | 0.760580372885140 | |
| 113 | 0.615916447069457 | |
| 114 | 0.977703406930763 | |
| 115 | 0.329537633959920 | |
| 116 | 0.193522962831670 | |
| 117 | 0.052021294390793 | |
| 118 | 0.911150676622591 | |
| 119 | 0.766549994129012 | |
| 120 | 0.126697651635249 | |
| 121 | 0.985316422761100 | |
| 122 | 0.843173408342140 | |
| 123 | 0.699550600116863 | |
| 124 | 0.557263156192965 | |
| 125 | 0.419794161068180 | |
| 126 | 0.278590486048996 | |
| 127 | 0.133239280028846 | |
| 128 | 0.488706417143674 | |
| 129 | 0.854142372894167 | |
| 130 | 0.710721029765308 | |
| 131 | 0.570226699379378 | |
| 132 | 0.424855420563768 | |
| 133 | 0.283543675338637 | |
| 134 | 0.137892492179709 | |
| 135 | 0.998458440880505 | |
| 136 | 0.356983164025928 | |
| 137 | 0.218767986269094 | |
| 138 | 0.076468908263589 | |
| 139 | 0.431104593179703 | |
| 140 | 0.293163777931204 | |
| 141 | 0.650123746902740 | |
| 142 | 0.510736836358317 | |
| 143 | 0.864335399057872 | |
| 144 | 0.725284450559544 | |
| 145 | 0.085677149279824 | |
| 146 | 0.942077809917777 | |
| 147 | 0.798407114482674 | |
| 148 | 0.163865051774245 | |
| 149 | 0.017995767769402 | |
| 150 | 0.879516513030751 | |
| 151 | 0.736922031145972 | |
| 152 | 0.589669372695344 | |
| 153 | 0.954449085497507 | |
| 154 | 0.811225361568493 | |
| 155 | 0.172090128609953 | |
| 156 | 0.525153056031630 | |
| 157 | 0.386470556904781 | |
| 158 | 0.744990266275122 | |
| 159 | 0.100015020510189 | |
| 160 | 0.460091779222755 | |