Extended the time-diff format so that it can have a 5-digit year. This enables
time differences to span the full range of dates supported by SQLite. Also fix some inaccuracies in the computation of time differences and add new test cases. FossilOrigin-Name: d57ddbf4eeeb3ccfe31871f098045b9e58634153a3c3030f597cb58c1177218a
This commit is contained in:
drh
parent
d97e0d0e38
commit
d34ce81867
14
manifest
14
manifest
@ -1,5 +1,5 @@
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C Initialize\sa\slocal\svariable\sin\sFTS3\sto\savoid\sa\sGCC\scompiler\swarning.
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D 2023-06-12T18:22:34.021
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C Extended\sthe\stime-diff\sformat\sso\sthat\sit\scan\shave\sa\s5-digit\syear.\s\sThis\senables\ntime\sdifferences\sto\sspan\sthe\sfull\srange\sof\sdates\ssupported\sby\sSQLite.\s\sAlso\nfix\ssome\sinaccuracies\sin\sthe\scomputation\sof\stime\sdifferences\sand\sadd\snew\ntest\scases.
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D 2023-06-13T16:55:24.318
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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 LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
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@ -582,7 +582,7 @@ F src/build.c cb54df6fd018a18e940a251c5e31780ffba8bc6c7a01e670b96a489adcbfb3b4
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F src/callback.c db3a45e376deff6a16c0058163fe0ae2b73a2945f3f408ca32cf74960b28d490
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F src/complete.c a3634ab1e687055cd002e11b8f43eb75c17da23e
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F src/ctime.c 20507cc0b0a6c19cd882fcd0eaeda32ae6a4229fb4b024cfdf3183043d9b703d
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F src/date.c 6e9549239d08957ffeff481bb131d071c969833b230d1dbfb836cf9dab1501b8
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F src/date.c 17e090a9cd6355b625a0a242f2ce4b2898171c6c5ff725863ca4ce73f1e99bb1
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F src/dbpage.c f3eea5f7ec47e09ee7da40f42b25092ecbe961fc59566b8e5f705f34335b2387
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F src/dbstat.c ec92074baa61d883de58c945162d9e666c13cd7cf3a23bc38b4d1c4d0b2c2bef
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F src/delete.c 1b00589aa4f2c50beba39f9da5166fc2161234580ea8c0d087b6d5c2c7a17c21
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@ -1570,7 +1570,7 @@ F test/threadtest3.c 655bff6c0895ec03f014126aa65e808fac9aae8c5a7a7da58a510cbe8b4
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F test/threadtest4.c c1e67136ceb6c7ec8184e56ac61db28f96bd2925
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F test/threadtest5.c 9b4d782c58d8915d7e955ff8051f3d03628bda0d33b82971ea8c0f2f2808c421
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F test/time-wordcount.sh 8e0b0f8109367827ad5d58f5cc849705731e4b90
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F test/timediff1.test 635b0e1857d1a3519382ae1a0aff9580c33e550c5a5cbec600b5edd2e0487018
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F test/timediff1.test d982b2b5f1b22f58380c5db94ea5b17518d50ad0c55583cf0ecfa0b176e20888
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F test/tkt-02a8e81d44.test 6c80d9c7514e2a42d4918bf87bf6bc54f379110c
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F test/tkt-18458b1a.test 6a62cb1ee50fa3c620da59e3a6f531eb38fceaf7e2166203816b724524e6f1d6
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F test/tkt-26ff0c2d1e.test c15bec890c4d226c0da2f35ff30f9e84c169cfef90e73a8cb5cec11d723dfa96
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@ -2040,8 +2040,8 @@ 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 56d9bb7aa63043f5db4a1e5e8eefe46762dba433145807c6e27a8316f1d03d7a
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R 8fa7f071c843431d341c04b5f54d842f
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P 7ec4ab327decd6a5ee5e6a53f1489e17e0cdbb297945f9acc532b47d052eb7a9
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R f3cf6d8b6e100bd0de96bfa9b873d378
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U drh
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Z 7056ecfd0821d02702a7f5f171a36595
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Z ebd3034b7be8eaa213c6784b968c66ce
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# Remove this line to create a well-formed Fossil manifest.
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@ -1 +1 @@
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7ec4ab327decd6a5ee5e6a53f1489e17e0cdbb297945f9acc532b47d052eb7a9
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d57ddbf4eeeb3ccfe31871f098045b9e58634153a3c3030f597cb58c1177218a
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33
src/date.c
33
src/date.c
@ -110,8 +110,8 @@ struct DateTime {
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*/
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static int getDigits(const char *zDate, const char *zFormat, ...){
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/* The aMx[] array translates the 3rd character of each format
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** spec into a max size: a b c d e f */
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static const u16 aMx[] = { 12, 14, 24, 31, 59, 9999 };
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** spec into a max size: a b c d e f */
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static const u16 aMx[] = { 12, 14, 24, 31, 59, 14712 };
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va_list ap;
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int cnt = 0;
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char nextC;
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@ -872,10 +872,14 @@ static int parseModifier(
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int i;
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int Y,M,D,h,m,x;
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const char *z2 = z;
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char z0 = z[0];
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for(n=1; z[n]; n++){
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if( z[n]==':' ) break;
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if( sqlite3Isspace(z[n]) ) break;
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if( z[n]=='-' && n==5 && getDigits(&z[1], "40f", &Y)==1 ) break;
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if( z[n]=='-' ){
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if( n==5 && getDigits(&z[1], "40f", &Y)==1 ) break;
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if( n==6 && getDigits(&z[1], "50f", &Y)==1 ) break;
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}
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}
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if( sqlite3AtoF(z, &r, n, SQLITE_UTF8)<=0 ){
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rc = 1;
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@ -886,14 +890,19 @@ static int parseModifier(
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** specified number of years, months, and days. MM is limited to
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** the range 0-11 and DD is limited to 0-30.
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*/
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if( z[0]!='+' && z[0]!='-' ) break; /* Must start with +/- */
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if( NEVER(n!=5) ) break; /* Must be 4-digit YYYY */
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if( getDigits(&z[1], "40f-20a-20d", &Y, &M, &D)!=3 ) break;
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if( z0!='+' && z0!='-' ) break; /* Must start with +/- */
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if( n==5 ){
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if( getDigits(&z[1], "40f-20a-20d", &Y, &M, &D)!=3 ) break;
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}else{
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assert( n==6 );
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if( getDigits(&z[1], "50f-20a-20d", &Y, &M, &D)!=3 ) break;
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z++;
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}
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if( M>=12 ) break; /* M range 0..11 */
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if( D>=31 ) break; /* D range 0..30 */
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computeYMD_HMS(p);
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p->validJD = 0;
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if( z[0]=='-' ){
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if( z0=='-' ){
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p->Y -= Y;
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p->M -= M;
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D = -D;
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@ -937,7 +946,7 @@ static int parseModifier(
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tx.iJD -= 43200000;
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day = tx.iJD/86400000;
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tx.iJD -= day*86400000;
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if( z[0]=='-' ) tx.iJD = -tx.iJD;
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if( z0=='-' ) tx.iJD = -tx.iJD;
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computeJD(p);
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clearYMD_HMS_TZ(p);
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p->iJD += tx.iJD;
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@ -1404,7 +1413,7 @@ static void timediffFunc(
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int Y, M;
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DateTime d1, d2;
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sqlite3_str sRes;
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if( isDate(context, 1, argv, &d1) ) return;
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if( isDate(context, 1, &argv[0], &d1) ) return;
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if( isDate(context, 1, &argv[1], &d2) ) return;
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computeYMD_HMS(&d1);
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computeYMD_HMS(&d2);
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@ -1426,7 +1435,7 @@ static void timediffFunc(
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d2.validJD = 0;
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computeJD(&d2);
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}
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if( d1.iJD<d2.iJD ){
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while( d1.iJD<d2.iJD ){
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M--;
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if( M<0 ){
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M = 11;
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@ -1442,7 +1451,7 @@ static void timediffFunc(
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}
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d1.iJD -= d2.iJD;
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d1.iJD += 148699540800000;
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}else{
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}else /* d1<d2 */{
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sign = '-';
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Y = d2.Y - d1.Y;
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if( Y ){
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@ -1460,7 +1469,7 @@ static void timediffFunc(
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d2.validJD = 0;
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computeJD(&d2);
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}
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if( d1.iJD>d2.iJD ){
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while( d1.iJD>d2.iJD ){
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M--;
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if( M<0 ){
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M = 11;
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@ -79,13 +79,16 @@ datetest 3.4 {timediff('1999-01-31','2000-03-02')} {-0001-01-02 00:00:00.000}
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unset -nocomplain p1
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unset -nocomplain p2
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set p1 {
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1 {0000-01-01 12:34:56}
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2 {1776-07-04 13:00:00}
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3 {1969-07-20 20:17}
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4 {2440587.5}
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5 {2000-05-29 14:26}
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6 {2023-05-29 18:11}
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7 {2050-05-29 14:26}
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0 {-4713-11-24 12:00:00}
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1 {-2000-04-30 05:19:26}
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2 {0000-01-01 12:34:56}
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3 {1776-07-04 13:00:00}
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4 {1969-07-20 20:17}
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5 {2440587.5}
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6 {2000-05-29 14:26}
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7 {2023-05-29 18:11}
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8 {2050-05-29 14:26}
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9 {4796-02-29 11:23:55.46}
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}
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set p2 {
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A {1066-10-14}
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@ -102,6 +105,8 @@ set p2 {
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K {2006-06-30 01:23:45}
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L {2007-12-31 02:00}
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M {2008-01-01 01:59}
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N {3152-07-04 12:00}
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P {9999-12-31 23:59:59}
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}
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foreach {x1 d1} $p1 {
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@ -144,6 +149,74 @@ datetest 5-18 {datetime('2000-01-01','+0001-02-03 01:02:03.500')} \
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datetest 5-19 {datetime('2000-01-01','+0001-02-03 01:02:03.500x')} {NULL}
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datetest 5-20 {datetime('2000-01-01','+0001-02-03 01:02:03.500 x')} {NULL}
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unset -nocomplain p1
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unset -nocomplain p2
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set p1 {
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a {2000-01-01 00:00:00}
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b {2000-01-31 23:59:59}
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c {2000-02-01 00:00:00}
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d {2000-02-29 23:59:59}
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e {2000-03-01 00:00:00}
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f {2000-03-31 23:59:59}
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g {2000-04-01 00:00:00}
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h {2000-04-30 23:59:59}
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i {2000-05-01 00:00:00}
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j {2000-05-31 23:59:59}
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k {2000-06-01 00:00:00}
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l {2000-06-30 23:59:59}
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m {2000-07-01 00:00:00}
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n {2000-07-31 23:59:59}
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o {2000-08-01 00:00:00}
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p {2000-08-31 23:59:59}
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q {2000-09-01 00:00:00}
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r {2000-09-30 23:59:59}
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s {2000-10-01 00:00:00}
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t {2000-10-31 23:59:59}
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u {2000-11-01 00:00:00}
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v {2000-11-30 23:59:59}
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w {2000-12-01 00:00:00}
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x {2000-12-31 23:59:59}
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}
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set p2 {
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A {2001-01-01 00:00:00}
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B {2001-01-31 23:59:59}
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C {2001-02-01 00:00:00}
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D {2001-02-28 23:59:59}
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E {2001-03-01 00:00:00}
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F {2001-03-31 23:59:59}
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G {2001-04-01 00:00:00}
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H {2001-04-30 23:59:59}
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I {2001-05-01 00:00:00}
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J {2001-05-31 23:59:59}
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K {2001-06-01 00:00:00}
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L {2001-06-30 23:59:59}
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M {2001-07-01 00:00:00}
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N {2001-07-31 23:59:59}
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O {2001-08-01 00:00:00}
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P {2001-08-31 23:59:59}
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Q {2001-09-01 00:00:00}
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R {2001-09-30 23:59:59}
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S {2001-10-01 00:00:00}
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T {2001-10-31 23:59:59}
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U {2001-11-01 00:00:00}
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V {2001-11-30 23:59:59}
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W {2001-12-01 00:00:00}
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X {2001-12-31 23:59:59}
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}
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foreach {x1 d1} $p1 {
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foreach {x2 d2} $p2 {
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set r1 [db one {SELECT datetime($d1)}]
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do_execsql_test timediff-6-$x1$x2 {
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SELECT datetime($d2, timediff($d1,$d2));
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} [list $r1]
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set r2 [db one {SELECT datetime($d2)}]
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do_execsql_test timediff-6-$x2$x1 {
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SELECT datetime($d1, timediff($d2,$d1));
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} [list $r2]
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}
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}
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finish_test
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