mirror of https://github.com/sqlite/sqlite
Add support for window function cume_dist(). Improve tests for percent_rank().
FossilOrigin-Name: 76543f7dd3a2310f6e81a1bae17db9bb5d2cf10c1b87ed3f8394b3e75576078b
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dan
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@ -1,5 +1,5 @@
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C Add\ssupport\sfor\swindow\sfunctions\srow_number(),\srank(),\sdense_rank()\sand\npercent_rank().
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D 2018-06-02T21:04:28.694
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C Add\ssupport\sfor\swindow\sfunction\scume_dist().\sImprove\stests\sfor\spercent_rank().
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D 2018-06-04T08:22:09.586
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F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
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F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
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F Makefile.in bfc40f350586923e0419d2ea4b559c37ec10ee4b6e210e08c14401f8e340f0da
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@ -582,7 +582,7 @@ F src/where.c 60ec752fcbe9f9e0271ac60548d159a540a1ee47a4f9fedc85e88a3d0e392dd1
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F src/whereInt.h cbae2bcd37cfebdb7812a8b188cdb19634ced2b9346470d1c270556b0c33ea53
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F src/wherecode.c 728c7f70731430ccdac807a79969873e1af6968bf1c4745dff3f9dd35f636cc8
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F src/whereexpr.c e90b2e76dcabc81edff56633bf281bc01d93b71e0c81482dc06925ce39f5844a
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F src/window.c 014c6c7ae0242f16ba9453d2c9272753b8d20af08d4f1c6d040a6f87dbc55055
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F src/window.c 0a6bc6bd759c0a2a2dc033f02837d8bf9d0851cb03b98a59f86b09e0c1443b85
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F test/8_3_names.test ebbb5cd36741350040fd28b432ceadf495be25b2
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F test/affinity2.test a6d901b436328bd67a79b41bb0ac2663918fe3bd
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F test/affinity3.test 6a101af2fc945ce2912f6fe54dd646018551710d
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@ -1148,7 +1148,7 @@ F test/pcache.test c8acbedd3b6fd0f9a7ca887a83b11d24a007972b
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F test/pcache2.test af7f3deb1a819f77a6d0d81534e97d1cf62cd442
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F test/percentile.test 4243af26b8f3f4555abe166f723715a1f74c77ff
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F test/permutations.test 10793f1de89a226fa22dde9ba9398de22571fee1bfb53a935a11be4aa014704f
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F test/pg_common.tcl 022a99098d284c64265b96573ef038ddb4c4c566ac587f50527f8a5e86c86ed0
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F test/pg_common.tcl 2562ad568cfaed67002f6cd9d1de3bc9d38eac99bb09acae3cdf92f8877f1a45
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F test/pragma.test 7c8cfc328a1717a95663cf8edb06c52ddfeaf97bb0aee69ae7457132e8d39e7d
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F test/pragma2.test e5d5c176360c321344249354c0c16aec46214c9f
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F test/pragma3.test 14c12bc5352b1e100e0b6b44f371053a81ccf8ed
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@ -1618,8 +1618,8 @@ F test/win32nolock.test ac4f08811a562e45a5755e661f45ca85892bdbbc
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F test/window1.test 5705337783d220b47f6fb4432264543b7557a05be8013d772f57d71f2fded271
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F test/window2.tcl 0983de5eade5eeda49469244799d5331bfe3199fca3f6c6d2a836aa08f4fba1b
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F test/window2.test 79747b2edde4ad424e0752b27529aedc86e91f3d8d88846fa17ff0cb67f65086
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F test/window3.tcl 27a34216e6e9b94307faa146285ef97e23bec57e05787064e17669fb8e276b29
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F test/window3.test d8975dfd7a3ac4d67f18c9d288ff7c46f6d0461fff4290414fcbd62027e8ac03
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F test/window3.tcl 1c8da1cfaa1297bbd1bb888ad8616c743e2e8b821d2ba148f949ff019fc258df
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F test/window3.test 25340bf9b61a35396f6e2e0913faea549b3172c0190279fec8a39779a234a741
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F test/with1.test 58475190cd8caaeebea8cfeb2a264ec97a0c492b8ffe9ad20cefbb23df462f96
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F test/with2.test e0030e2f0267a910d6c0e4f46f2dfe941c1cc0d4f659ba69b3597728e7e8f1ab
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F test/with3.test 5e8ce2c585170bbbc0544e2a01a4941fa0be173ba5265e5c92eb588cd99a232d
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@ -1736,7 +1736,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
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F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
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F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
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F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
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P b5b18f661341d8d450147e62d321791c706f16c0550bcd98eec3e0220c039189
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R 936d5c4f2319457074a03c8e7558fedb
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P 91c1cb7a217d0991a08256269f6c55ef185c25362d57b36bfbd2d85dab38e58f
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R d9cb5cee11e623ce77b17cfe98f4c40b
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U dan
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Z 37caf2da8db60907c2ea55a56e1b5065
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Z 45e866351077245724084f5b2a722161
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@ -1 +1 @@
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91c1cb7a217d0991a08256269f6c55ef185c25362d57b36bfbd2d85dab38e58f
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76543f7dd3a2310f6e81a1bae17db9bb5d2cf10c1b87ed3f8394b3e75576078b
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34
src/window.c
34
src/window.c
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@ -149,6 +149,37 @@ static void percent_rankValueFunc(sqlite3_context *pCtx){
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}
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}
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static void cume_distStepFunc(
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sqlite3_context *pCtx,
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int nArg,
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sqlite3_value **apArg
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){
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struct CallCount *p;
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assert( nArg==1 );
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p = (struct CallCount*)sqlite3_aggregate_context(pCtx, sizeof(*p));
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if( p ){
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if( p->nTotal==0 ){
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p->nTotal = sqlite3_value_int64(apArg[0]);
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}
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p->nStep++;
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}
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}
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static void cume_distInverseFunc(
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sqlite3_context *pCtx,
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int nArg,
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sqlite3_value **apArg
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){
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}
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static void cume_distValueFunc(sqlite3_context *pCtx){
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struct CallCount *p;
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p = (struct CallCount*)sqlite3_aggregate_context(pCtx, sizeof(*p));
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if( p ){
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double r = (double)(p->nStep) / (double)(p->nTotal);
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sqlite3_result_double(pCtx, r);
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}
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}
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static void nth_valueStepFunc(
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sqlite3_context *pCtx,
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int nArg,
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@ -179,6 +210,7 @@ void sqlite3WindowFunctions(void){
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WINDOWFUNC(dense_rank, 0, 0),
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WINDOWFUNC(rank, 0, 0),
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WINDOWFUNC(percent_rank, 0, SQLITE_FUNC_WINDOW_SIZE),
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WINDOWFUNC(cume_dist, 0, SQLITE_FUNC_WINDOW_SIZE),
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WINDOWFUNC(nth_value, 2, 0),
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};
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sqlite3InsertBuiltinFuncs(aWindowFuncs, ArraySize(aWindowFuncs));
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@ -197,7 +229,7 @@ void sqlite3WindowUpdate(Parse *pParse, Window *pWin, FuncDef *pFunc){
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}
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if( pFunc->xSFunc==dense_rankStepFunc || pFunc->xSFunc==rankStepFunc
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|| pFunc->xSFunc==percent_rankStepFunc
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|| pFunc->xSFunc==percent_rankStepFunc || pFunc->xSFunc==cume_distStepFunc
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){
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sqlite3ExprDelete(db, pWin->pStart);
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sqlite3ExprDelete(db, pWin->pEnd);
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@ -66,6 +66,25 @@ proc execsql_test {tn sql} {
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puts $::fd ""
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}
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# Same as [execsql_test], except coerce all results to floating point values
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# with two decimal points.
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#
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proc execsql_float_test {tn sql} {
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set F "%.2f"
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set res [execsql $sql]
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set res2 [list]
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foreach r $res { lappend res2 [format $F $r] }
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puts $::fd "do_test $tn {"
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puts $::fd " set myres {}"
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puts $::fd " foreach r \[db eval {[string trim $sql]}\] {"
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puts $::fd " lappend myres \[format $F \[set r\]\]"
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puts $::fd " }"
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puts $::fd " set myres"
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puts $::fd "} {$res2}"
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puts $::fd ""
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}
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proc start_test {name date} {
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set dir [file dirname $::argv0]
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set output [file join $dir $name.test]
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@ -129,36 +129,43 @@ foreach {tn window} {
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FROM t2
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"
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execsql_test 1.$tn.7.1 "
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SELECT CAST( round( 100 *
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percent_rank() OVER ( ORDER BY a $window )
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) AS integer) FROM t2"
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#execsql_test 1.$tn.7.2 "
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#SELECT CAST( round( 100 *
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#percent_rank() OVER ( PARTITION BY b%10 ORDER BY a $window )
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#) AS integer) FROM t2"
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execsql_test 1.$tn.7.3 "
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SELECT CAST( round( 100 *
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percent_rank() OVER ( ORDER BY b $window )
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) AS integer) FROM t2"
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#execsql_test 1.$tn.7.4 "
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#SELECT CAST( round( 100 *
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#percent_rank() OVER ( PARTITION BY b%10 ORDER BY b $window )
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#) AS integer) FROM t2"
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execsql_test 1.$tn.7.5 "
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SELECT CAST( round( 100 *
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percent_rank() OVER ( ORDER BY b%10 $window )
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) AS integer) FROM t2"
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execsql_test 1.$tn.7.6 "
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SELECT CAST( round( 100 *
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percent_rank() OVER ( PARTITION BY b%2 ORDER BY b%10 $window )
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) AS integer) FROM t2"
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execsql_float_test 1.$tn.7.1 "
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SELECT percent_rank() OVER ( ORDER BY a $window ) FROM t2
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"
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execsql_float_test 1.$tn.7.2 "
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SELECT percent_rank() OVER ( PARTITION BY b%10 ORDER BY a $window ) FROM t2
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"
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execsql_float_test 1.$tn.7.3 "
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SELECT percent_rank() OVER ( ORDER BY b $window ) FROM t2
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"
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execsql_float_test 1.$tn.7.4 "
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SELECT percent_rank() OVER ( PARTITION BY b%10 ORDER BY b $window ) FROM t2
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"
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execsql_float_test 1.$tn.7.5 "
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SELECT percent_rank() OVER ( ORDER BY b%10 $window ) FROM t2
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"
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execsql_float_test 1.$tn.7.6 "
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SELECT percent_rank() OVER ( PARTITION BY b%2 ORDER BY b%10 $window ) FROM t2
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"
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execsql_float_test 1.$tn.8.1 "
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SELECT cume_dist() OVER ( ORDER BY a $window ) FROM t2
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"
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execsql_float_test 1.$tn.8.2 "
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SELECT cume_dist() OVER ( PARTITION BY b%10 ORDER BY a $window ) FROM t2
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"
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execsql_float_test 1.$tn.8.3 "
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SELECT cume_dist() OVER ( ORDER BY b $window ) FROM t2
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"
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execsql_float_test 1.$tn.8.4 "
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SELECT cume_dist() OVER ( PARTITION BY b%10 ORDER BY b $window ) FROM t2
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"
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execsql_float_test 1.$tn.8.5 "
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SELECT cume_dist() OVER ( ORDER BY b%10 $window ) FROM t2
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"
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execsql_float_test 1.$tn.8.6 "
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SELECT cume_dist() OVER ( PARTITION BY b%2 ORDER BY b%10 $window ) FROM t2
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"
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}
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1224
test/window3.test
1224
test/window3.test
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