SQLite: Check-in [248b5500]

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Overview

Comment:	Fix a bug in the HH:MM:SS modifier change that was just checked in. (CVS 1278)
Downloads:	Tarball \| ZIP archive \| SQL archive
Timelines:	family \| ancestors \| descendants \| both \| trunk
Files:	files \| file ages \| folders
SHA1:	248b5500900bc8f401006aaa9b7dac090ae419fa
User & Date:	drh 2004-02-29 00:48:09

Context

2004-02-29
00:50		Try again to get the HH:MM:SS modifier change right... (CVS 1279) check-in: e20d51f9 user: drh tags: trunk
00:48		Fix a bug in the HH:MM:SS modifier change that was just checked in. (CVS 1278) check-in: 248b5500 user: drh tags: trunk
00:40		Allow time modifiers of the form HH:MM:SS.SSS with an option "+" or "-" prefix. The specified amount of time is added into the date-time begin modified. (CVS 1277) check-in: 559002a5 user: drh tags: trunk

Changes

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Changes to src/date.c.

** 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
** sqliteRegisterDateTimeFunctions() found at the bottom of the file.
** All other code has file scope.
**
** $Id: date.c,v 1.13 2004/02/29 00:40:32 drh Exp $
**
** NOTES:
**
** 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.
................................................................................
        const char *z2 = z;
        DateTime tx;
        int day;
        if( !isdigit(*z2) ) z2++;
        memset(&tx, 0, sizeof(tx));
        if( parseHhMmSs(z2, &tx) ) break;
        computeJD(&tx);


        if( z[0]=='-' ) tx.rJD = -tx.rJD;
        day = (int)tx.rJD;
        p->rJD += tx.rJD - day;
        rc = 0;
        break;
      }
      z += n;

** 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
** sqliteRegisterDateTimeFunctions() found at the bottom of the file.
** All other code has file scope.
**
** $Id: date.c,v 1.14 2004/02/29 00:48:09 drh Exp $
**
** NOTES:
**
** 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.
................................................................................
        const char *z2 = z;
        DateTime tx;
        int day;
        if( !isdigit(*z2) ) z2++;
        memset(&tx, 0, sizeof(tx));
        if( parseHhMmSs(z2, &tx) ) break;
        computeJD(&tx);
        computeJD(p);
        clearYMD_HMS_TZ(p);
        if( z[0]=='-' ) tx.rJD = -tx.rJD;
        day = (int)tx.rJD;
        p->rJD += tx.rJD - day;
        rc = 0;
        break;
      }
      z += n;