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mirror of https://github.com/sqlite/sqlite.git synced 2025-08-08 14:02:16 +03:00

Revert the behavior of date/time functions with no arguments so that they

once again work like 'now', even while CURRENT_TIMESTAMP and similar work
like 'txn'.

FossilOrigin-Name: 06180caff0f5d8aba83b9f7be682ccdd6cb2ffc228b557ee6c1fd00fe5c23e92
This commit is contained in:
drh
2023-02-08 12:01:48 +00:00
parent c1dab9ded2
commit ed092fc368
3 changed files with 17 additions and 14 deletions

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@@ -1,5 +1,5 @@
C Change\sthe\sbehavior\sof\sdate-time\sfunctions\swithout\sany\sarguments\s(and\sthus\nthe\sCURRENT_TIME,\sCURRENT_DATE,\sand\sCURRENT_TIMESTAMP\svariables)\sso\sthat\sthey\nwork\slike\s'txn'\sinstead\sof\slike\s'now'.\s\sThis\sis\san\sincompatibility\swith\slegacy,\nbut\sbrings\sSQLite\sinto\sconformance\swith\sall\sother\sSQL\ssystems. C Revert\sthe\sbehavior\sof\sdate/time\sfunctions\swith\sno\sarguments\sso\sthat\sthey\nonce\sagain\swork\slike\s'now',\seven\swhile\sCURRENT_TIMESTAMP\sand\ssimilar\swork\nlike\s'txn'.
D 2023-02-08T11:34:05.173 D 2023-02-08T12:01:48.294
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -567,7 +567,7 @@ F src/build.c c55ab6d1b089ceef57160e840f05f692955ac90944c3d04fcf01d97fd7bfd08d
F src/callback.c 4cd7225b26a97f7de5fee5ae10464bed5a78f2adefe19534cc2095b3a8ca484a F src/callback.c 4cd7225b26a97f7de5fee5ae10464bed5a78f2adefe19534cc2095b3a8ca484a
F src/complete.c a3634ab1e687055cd002e11b8f43eb75c17da23e F src/complete.c a3634ab1e687055cd002e11b8f43eb75c17da23e
F src/ctime.c 20507cc0b0a6c19cd882fcd0eaeda32ae6a4229fb4b024cfdf3183043d9b703d F src/ctime.c 20507cc0b0a6c19cd882fcd0eaeda32ae6a4229fb4b024cfdf3183043d9b703d
F src/date.c 7bbe94be3ceb349faaf922ed6fb2429c1745bf0c4440c77bfc9ce5b93fcc9fde F src/date.c 37ca5e3cb34d666fae892156c9317d8bf756ae8a281504040dd3a02813ce5e9e
F src/dbpage.c d47549716549311f79dc39fe5c8fb19390a6eb2c960f8e37c89a9c4de0c1052e F src/dbpage.c d47549716549311f79dc39fe5c8fb19390a6eb2c960f8e37c89a9c4de0c1052e
F src/dbstat.c ec92074baa61d883de58c945162d9e666c13cd7cf3a23bc38b4d1c4d0b2c2bef F src/dbstat.c ec92074baa61d883de58c945162d9e666c13cd7cf3a23bc38b4d1c4d0b2c2bef
F src/delete.c 86573edae75e3d3e9a8b590d87db8e47222103029df4f3e11fa56044459b514e F src/delete.c 86573edae75e3d3e9a8b590d87db8e47222103029df4f3e11fa56044459b514e
@@ -2045,8 +2045,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
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R 306a6107a9a25e9636c592ddc5563a3a R 21bc10e166e48f106bd855a3f05d7452
U drh U drh
Z 577c1f61a5429561225ed1087c13c668 Z 81861e88fff679ab1e007b3943020398
# Remove this line to create a well-formed Fossil manifest. # Remove this line to create a well-formed Fossil manifest.

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@@ -1 +1 @@
1ac78be54502779236645eac35b962797f2fb98307d059d2aa19658c4fa74cb7 06180caff0f5d8aba83b9f7be682ccdd6cb2ffc228b557ee6c1fd00fe5c23e92

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@@ -937,8 +937,11 @@ static int parseModifier(
** the resulting time into the DateTime structure p. Return 0 ** the resulting time into the DateTime structure p. Return 0
** on success and 1 if there are any errors. ** on success and 1 if there are any errors.
** **
** If there are zero parameters (if even argv[0] is undefined) ** If there are zero parameters (if argc<=0) then assume a default
** then assume a default value of "now" for argv[0]. ** value of "now" for argv[0] if argc==0 and "txn" if argc<0. SQL
** functions will always have argc>=0, but the special implementations
** of CURRENT_TIME, CURRENT_DATE, and CURRENT_TIMESTAMP set argc to -1
** in order to force the use of 'txn' semantics.
*/ */
static int isDate( static int isDate(
sqlite3_context *context, sqlite3_context *context,
@@ -950,9 +953,9 @@ static int isDate(
const unsigned char *z; const unsigned char *z;
int eType; int eType;
memset(p, 0, sizeof(*p)); memset(p, 0, sizeof(*p));
if( argc==0 ){ if( argc<=0 ){
if( !sqlite3NotPureFunc(context) ) return 1; if( !sqlite3NotPureFunc(context) ) return 1;
return setCurrentStmtTime(context, p, 1); return setCurrentStmtTime(context, p, argc<0);
} }
if( (eType = sqlite3_value_type(argv[0]))==SQLITE_FLOAT if( (eType = sqlite3_value_type(argv[0]))==SQLITE_FLOAT
|| eType==SQLITE_INTEGER ){ || eType==SQLITE_INTEGER ){
@@ -1259,7 +1262,7 @@ static void ctimeFunc(
sqlite3_value **NotUsed2 sqlite3_value **NotUsed2
){ ){
UNUSED_PARAMETER2(NotUsed, NotUsed2); UNUSED_PARAMETER2(NotUsed, NotUsed2);
timeFunc(context, 0, 0); timeFunc(context, -1, 0);
} }
/* /*
@@ -1273,7 +1276,7 @@ static void cdateFunc(
sqlite3_value **NotUsed2 sqlite3_value **NotUsed2
){ ){
UNUSED_PARAMETER2(NotUsed, NotUsed2); UNUSED_PARAMETER2(NotUsed, NotUsed2);
dateFunc(context, 0, 0); dateFunc(context, -1, 0);
} }
/* /*
@@ -1287,7 +1290,7 @@ static void ctimestampFunc(
sqlite3_value **NotUsed2 sqlite3_value **NotUsed2
){ ){
UNUSED_PARAMETER2(NotUsed, NotUsed2); UNUSED_PARAMETER2(NotUsed, NotUsed2);
datetimeFunc(context, 0, 0); datetimeFunc(context, -1, 0);
} }
#endif /* !defined(SQLITE_OMIT_DATETIME_FUNCS) */ #endif /* !defined(SQLITE_OMIT_DATETIME_FUNCS) */