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Overview
| Comment: | Accept "Z" as the zulu timezone at the end of date strings. (CVS 4805) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 4c9a7b42b797f42f2b1e2e8d6a260044 |
| User & Date: | drh 2008-02-21 20:40:44 |
Context
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2008-02-21
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| 21:30 | Additional test cases. (CVS 4806) check-in: 74126bf4 user: drh tags: trunk | |
| 20:40 | Accept "Z" as the zulu timezone at the end of date strings. (CVS 4805) check-in: 4c9a7b42 user: drh tags: trunk | |
| 20:17 | Updates to API documentation contained in comments of sqlite.h.in. (CVS 4804) check-in: 08276df3 user: drh tags: trunk | |
Changes
Changes to src/date.c.
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** This file contains the C functions that implement date and time ** functions for SQLite. ** ** There is only one exported symbol in this file - the function ** sqlite3RegisterDateTimeFunctions() found at the bottom of the file. ** All other code has file scope. ** ** $Id: date.c,v 1.75 2008/01/17 22:27:54 drh Exp $ ** ** SQLite processes all times and dates as Julian Day numbers. The ** dates and times are stored as the number of days since noon ** in Greenwich on November 24, 4714 B.C. according to the Gregorian ** calendar system. ** ** 1970-01-01 00:00:00 is JD 2440587.5 ................................................................................ #define getValue sqlite3AtoF /* ** Parse a timezone extension on the end of a date-time. ** The extension is of the form: ** ** (+/-)HH:MM ** ** If the parse is successful, write the number of minutes ** of change in *pnMin and return 0. If a parser error occurs, ** return 0. ** ** A missing specifier is not considered an error. */ static int parseTimezone(const char *zDate, DateTime *p){ int sgn = 0; int nHr, nMn; while( isspace(*(u8*)zDate) ){ zDate++; } p->tz = 0; if( *zDate=='-' ){ sgn = -1; }else if( *zDate=='+' ){ sgn = +1; }else{ return *zDate!=0; } zDate++; if( getDigits(zDate, 2, 0, 14, ':', &nHr, 2, 0, 59, 0, &nMn)!=2 ){ return 1; } zDate += 5; p->tz = sgn*(nMn + nHr*60); while( isspace(*(u8*)zDate) ){ zDate++; } return *zDate!=0; } /* ** Parse times of the form HH:MM or HH:MM:SS or HH:MM:SS.FFFF. ** The HH, MM, and SS must each be exactly 2 digits. The |
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** This file contains the C functions that implement date and time ** functions for SQLite. ** ** There is only one exported symbol in this file - the function ** sqlite3RegisterDateTimeFunctions() found at the bottom of the file. ** All other code has file scope. ** ** $Id: date.c,v 1.76 2008/02/21 20:40:44 drh Exp $ ** ** SQLite processes all times and dates as Julian Day numbers. The ** dates and times are stored as the number of days since noon ** in Greenwich on November 24, 4714 B.C. according to the Gregorian ** calendar system. ** ** 1970-01-01 00:00:00 is JD 2440587.5 ................................................................................ #define getValue sqlite3AtoF /* ** Parse a timezone extension on the end of a date-time. ** The extension is of the form: ** ** (+/-)HH:MM ** ** Or the "zulu" notation: ** ** Z ** ** If the parse is successful, write the number of minutes ** of change in p->tz and return 0. If a parser error occurs, ** return non-zero. ** ** A missing specifier is not considered an error. */ static int parseTimezone(const char *zDate, DateTime *p){ int sgn = 0; int nHr, nMn; int c; while( isspace(*(u8*)zDate) ){ zDate++; } p->tz = 0; c = *zDate; if( c=='-' ){ sgn = -1; }else if( c=='+' ){ sgn = +1; }else if( c=='Z' || c=='z' ){ zDate++; goto zulu_time; }else{ return c!=0; } zDate++; if( getDigits(zDate, 2, 0, 14, ':', &nHr, 2, 0, 59, 0, &nMn)!=2 ){ return 1; } zDate += 5; p->tz = sgn*(nMn + nHr*60); zulu_time: while( isspace(*(u8*)zDate) ){ zDate++; } return *zDate!=0; } /* ** Parse times of the form HH:MM or HH:MM:SS or HH:MM:SS.FFFF. ** The HH, MM, and SS must each be exactly 2 digits. The |
Changes to test/date.test.
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# May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #*********************************************************************** # This file implements regression tests for SQLite library. The # focus of this file is testing date and time functions. # # $Id: date.test,v 1.24 2008/01/17 22:27:54 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl # Skip this whole file if date and time functions are omitted # at compile-time # ................................................................................ set sqlite_current_time 0 datetest 5.1 {datetime('1994-04-16 14:00:00 +05:00')} {1994-04-16 09:00:00} datetest 5.2 {datetime('1994-04-16 14:00:00 -05:15')} {1994-04-16 19:15:00} datetest 5.3 {datetime('1994-04-16 05:00:00 +08:30')} {1994-04-15 20:30:00} datetest 5.4 {datetime('1994-04-16 14:00:00 -11:55')} {1994-04-17 01:55:00} datetest 5.5 {datetime('1994-04-16 14:00:00 -11:60')} NULL datetest 5.4 {datetime('1994-04-16 14:00:00 -11:55 ')} {1994-04-17 01:55:00} datetest 5.4 {datetime('1994-04-16 14:00:00 -11:55 x')} NULL # localtime->utc and utc->localtime conversions. These tests only work # if the localtime is in the US Eastern Time (the time in Charlotte, NC # and in New York.) # set tzoffset [db one { SELECT CAST(24*(julianday('2006-09-01') - |
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# May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #*********************************************************************** # This file implements regression tests for SQLite library. The # focus of this file is testing date and time functions. # # $Id: date.test,v 1.25 2008/02/21 20:40:44 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl # Skip this whole file if date and time functions are omitted # at compile-time # ................................................................................ set sqlite_current_time 0 datetest 5.1 {datetime('1994-04-16 14:00:00 +05:00')} {1994-04-16 09:00:00} datetest 5.2 {datetime('1994-04-16 14:00:00 -05:15')} {1994-04-16 19:15:00} datetest 5.3 {datetime('1994-04-16 05:00:00 +08:30')} {1994-04-15 20:30:00} datetest 5.4 {datetime('1994-04-16 14:00:00 -11:55')} {1994-04-17 01:55:00} datetest 5.5 {datetime('1994-04-16 14:00:00 -11:60')} NULL datetest 5.6 {datetime('1994-04-16 14:00:00 -11:55 ')} {1994-04-17 01:55:00} datetest 5.7 {datetime('1994-04-16 14:00:00 -11:55 x')} NULL datetest 5.8 {datetime('1994-04-16T14:00:00Z')} {1994-04-16 14:00:00} datetest 5.9 {datetime('1994-04-16 14:00:00z')} {1994-04-16 14:00:00} datetest 5.10 {datetime('1994-04-16 14:00:00 Z')} {1994-04-16 14:00:00} datetest 5.11 {datetime('1994-04-16 14:00:00z ')} {1994-04-16 14:00:00} datetest 5.12 {datetime('1994-04-16 14:00:00 z ')} {1994-04-16 14:00:00} datetest 5.13 {datetime('1994-04-16 14:00:00Zulu')} NULL datetest 5.14 {datetime('1994-04-16 14:00:00Z +05:00')} NULL datetest 5.15 {datetime('1994-04-16 14:00:00 +05:00 Z')} NULL # localtime->utc and utc->localtime conversions. These tests only work # if the localtime is in the US Eastern Time (the time in Charlotte, NC # and in New York.) # set tzoffset [db one { SELECT CAST(24*(julianday('2006-09-01') - |