taos> select repeat('hello', 1) repeat('hello', 1) | ===================== hello | taos> select repeat('hello', 20) repeat('hello', 20) | ================================= hellohellohellohellohellohe... | taos> SELECT REPEAT('a', 2) repeat('a', 2) | ================= aa | taos> SELECT CONCAT('g',CONCAT(';',repeat('a',60), repeat('b',60), repeat('c',60), repeat ('d',100)),'h') concat('g',concat(';',repeat('a',60), repeat('b',60), repeat('c' | =================================================================== g;aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa... | taos> SELECT CONCAT('g',CONCAT_WS(';',repeat('a',60), repeat('b',60), repeat('c',60), repeat ('d',100)),'h') concat('g',concat_ws(';',repeat('a',60), repeat('b',60), repeat( | =================================================================== gaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa... | taos> SELECT CONCAT_WS('g',CONCAT_WS(';',repeat('a',60), repeat('b',60), repeat('c',60), repeat ('d',100)),'h') concat_ws('g',concat_ws(';',repeat('a',60), repeat('b',60), repe | =================================================================== aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;... | taos> select length(concat(repeat("a",3200),repeat("a",3200))) length(concat(repeat("a",3200),repeat("a",3200))) | ==================================================== 6400 | taos> select length(replace("aaaaa","a",concat(repeat("a",10000),repeat("a",12)))) length(replace("aaaaa","a",concat(repeat("a",10000),repeat("a",1 | =================================================================== 50060 | taos> select repeat('北京taos', 6) repeat('北京taos', 6) | ================================= 北京taos北京taos北京taos北... | taos> select repeat(nch1, 6) from ts_4893.meters order by ts limit 5 repeat(nch1, 6) | ================================= novelnovelnovelnovelnovelnovel | 一二三四五六七八九十一二三... | updateupdateupdateupdateupd... | prisionprisionprisionprisio... | novelnovelnovelnovelnovelnovel | taos> select repeat(var1, 6) from ts_4893.meters order by ts limit 5 repeat(var1, 6) | ================================= novelnovelnovelnovelnovelnovel | personpersonpersonpersonper... | novelnovelnovelnovelnovelnovel | plateplateplateplateplateplate | 一二三四五六七八九十一二三... | taos> select position(nch1 in repeat(nch1,6)) from ts_4893.meters order by ts limit 5 position(nch1 in repeat(nch1,6)) | =================================== 1 | 1 | 1 | 1 | 1 | taos> select position(var1 in repeat(var1,6)) from ts_4893.meters order by ts limit 5 position(var1 in repeat(var1,6)) | =================================== 1 | 1 | 1 | 1 | 1 | taos> select position(nch1 in repeat(var1,6)) from ts_4893.meters where nch1 = var1 order by ts limit 5 position(nch1 in repeat(var1,6)) | =================================== 1 | 1 | 1 | 1 | 1 | taos> select position(var1 in repeat(nch1,6)) from ts_4893.meters where nch1 = var1 order by ts limit 5 position(var1 in repeat(nch1,6)) | =================================== 1 | 1 | 1 | 1 | 1 | taos> select repeat(nch1, id) from ts_4893.meters where id > 0 order by ts limit 5 repeat(nch1, id) | ================================= 一二三四五六七八九十 | updateupdate | prisionprisionprision | novelnovelnovelnovel | novelnovelnovelnovelnovel | taos> select repeat(var1, id) from ts_4893.meters where id > 0 order by ts limit 5 repeat(var1, id) | ================================= person | novelnovel | plateplateplate | 一二三四五六七八九十一二三... | updateupdateupdateupdateupdate | taos> select repeat('nch1', id) from ts_4893.meters where id > 0 order by ts limit 5 repeat('nch1', id) | ================================= nch1 | nch1nch1 | nch1nch1nch1 | nch1nch1nch1nch1 | nch1nch1nch1nch1nch1 | taos> select repeat('var1', id) from ts_4893.meters where id > 0 order by ts limit 5 repeat('var1', id) | ================================= var1 | var1var1 | var1var1var1 | var1var1var1var1 | var1var1var1var1var1 | taos> select repeat('taos', 1) repeat('taos', 1) | ==================== taos | taos> select repeat('taos', 2) repeat('taos', 2) | ==================== taostaos | taos> select repeat(name, 3) from ts_4893.d0 order by ts limit 10 repeat(name, 3) | ================================= lililililili | xxx | lililililili | xxx | lililililili | taostaostaos | hahahahahaha | taostaostaos | taostaostaos | hahahahahaha | taos> select repeat(name, 3) from ts_4893.meters order by ts limit 10 repeat(name, 3) | ================================= lililililili | xxx | lililililili | xxx | lililililili | taostaostaos | hahahahahaha | taostaostaos | taostaostaos | hahahahahaha | taos> select repeat(nch1, 3) from ts_4893.d0 order by ts limit 10 repeat(nch1, 3) | ================================= novelnovelnovel | 一二三四五六七八九十一二三... | updateupdateupdate | prisionprisionprision | novelnovelnovel | novelnovelnovel | againagainagain | 一二三四五六七八九十一二三... | novelnovelnovel | againagainagain | taos> select repeat(nch1, 3) from ts_4893.meters order by ts limit 10 repeat(nch1, 3) | ================================= novelnovelnovel | 一二三四五六七八九十一二三... | updateupdateupdate | prisionprisionprision | novelnovelnovel | novelnovelnovel | againagainagain | 一二三四五六七八九十一二三... | novelnovelnovel | againagainagain | taos> select repeat(var1, 3) from ts_4893.d0 order by ts limit 10 repeat(var1, 3) | ================================= novelnovelnovel | personpersonperson | novelnovelnovel | plateplateplate | 一二三四五六七八九十一二三... | updateupdateupdate | prisionprisionprision | personpersonperson | prisionprisionprision | plateplateplate | taos> select repeat(var1, 3) from ts_4893.meters order by ts limit 10 repeat(var1, 3) | ================================= novelnovelnovel | personpersonperson | novelnovelnovel | plateplateplate | 一二三四五六七八九十一二三... | updateupdateupdate | prisionprisionprision | personpersonperson | prisionprisionprision | plateplateplate | taos> select repeat(name, groupid) from ts_4893.d0 order by ts limit 10 repeat(name, groupid) | ================================= lili | x | lili | x | lili | taos | haha | taos | taos | haha | taos> select repeat(name, groupid) from ts_4893.meters order by ts limit 10 repeat(name, groupid) | ================================= lili | x | lili | x | lili | taos | haha | taos | taos | haha | taos> select repeat(nch1, groupid) from ts_4893.d0 order by ts limit 10 repeat(nch1, groupid) | ================================= novel | 一二三四五六七八九十 | update | prision | novel | novel | again | 一二三四五六七八九十 | novel | again | taos> select repeat(nch1, groupid) from ts_4893.meters order by ts limit 10 repeat(nch1, groupid) | ================================= novel | 一二三四五六七八九十 | update | prision | novel | novel | again | 一二三四五六七八九十 | novel | again | taos> select repeat(null, 3) repeat(null, 3) | ================== NULL | taos> select repeat('taos', null) repeat('taos', null) | ======================= NULL | taos> select repeat('taos', 0) repeat('taos', 0) | ==================== | taos> select repeat('', 5) repeat('', 5) | ================ | taos> select repeat('A', 0) repeat('A', 0) | ================= | taos> select repeat('A', 10) repeat('A', 10) | ================================= AAAAAAAAAA | taos> select repeat('A B', 5) repeat('A B', 5) | ============================ A BA BA BA BA B | taos> select repeat('ABC', 1) repeat('ABC', 1) | =================== ABC | taos> select repeat('Hello', 2) repeat('Hello', 2) | ===================== HelloHello | taos> select repeat('HelloWorld', 2) repeat('HelloWorld', 2) | =========================== HelloWorldHelloWorld | taos> select repeat('123', 5) repeat('123', 5) | ============================ 123123123123123 | taos> select repeat('12345', 3) repeat('12345', 3) | ======================== 123451234512345 | taos> select repeat('!@#', 3) repeat('!@#', 3) | =================== !@#!@#!@# | taos> select repeat('你好', 2) repeat('你好', 2) | ====================== 你好你好 | taos> select repeat('abc', length('abc')) repeat('abc', length('abc')) | ================================= abcabcabc | taos> select repeat(concat('A', 'B', 'C'), 3) repeat(concat('A', 'B', 'C'), 3) | =================================== ABCABCABC | taos> select repeat(upper('abc'), 4) repeat(upper('abc'), 4) | ========================== ABCABCABCABC | taos> select repeat(trim(' Hello '), 3) repeat(trim(' Hello '), 3) | ================================= HelloHelloHello | taos> select name, repeat(name, 3) from ts_4893.meters limit 1 name | repeat(name, 3) | ================================================================== lili | lililililili | taos> select name, repeat(substring(name, 1, 5), 2) from ts_4893.meters limit 1 name | repeat(substring(name, 1, 5), 2) | ==================================================================== lili | lililili | taos> select var1, repeat(var1, 2) from ts_4893.meters limit 1 var1 | repeat(var1, 2) | ================================================================== novel | novelnovel | taos> select nch1, repeat(nch1, 4) from ts_4893.meters limit 1 nch1 | repeat(nch1, 4) | ================================================================== novel | novelnovelnovelnovel |