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Overview
Comment:Comment out all of date/time functions with SQLITE_OMIT_DATETIME_FUNCS. Ticket #784. (CVS 1829)
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Timelines: family | ancestors | descendants | both | version_2
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SHA1: 28c01d2ac705923d3210ec2b8906541f42ec6f25
User & Date: drh 2004-07-20 00:40:01.000
Context
2004-07-20
00:50
Fix the handling of indices with quoted names. Ticket #695. (CVS 1830) (check-in: 467309975f user: drh tags: version_2)
00:40
Comment out all of date/time functions with SQLITE_OMIT_DATETIME_FUNCS. Ticket #784. (CVS 1829) (check-in: 28c01d2ac7 user: drh tags: version_2)
00:20
Correct handling of views on tables with quoted column names. Ticket #756. (CVS 1827) (check-in: ef0d5ebe96 user: drh tags: version_2)
Changes
Unified Diff Ignore Whitespace Patch
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
** sqliteRegisterDateTimeFunctions() found at the bottom of the file.
** All other code has file scope.
**
** $Id: date.c,v 1.16.2.1 2004/07/18 22:25:15 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.








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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
** sqliteRegisterDateTimeFunctions() found at the bottom of the file.
** All other code has file scope.
**
** $Id: date.c,v 1.16.2.2 2004/07/20 00:40:01 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.
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/*
** This function registered all of the above C functions as SQL
** functions.  This should be the only routine in this file with
** external linkage.
*/
void sqliteRegisterDateTimeFunctions(sqlite *db){

  static struct {
     char *zName;
     int nArg;
     int dataType;
     void (*xFunc)(sqlite_func*,int,const char**);
  } aFuncs[] = {
#ifndef SQLITE_OMIT_DATETIME_FUNCS
    { "julianday", -1, SQLITE_NUMERIC, juliandayFunc   },
    { "date",      -1, SQLITE_TEXT,    dateFunc        },
    { "time",      -1, SQLITE_TEXT,    timeFunc        },
    { "datetime",  -1, SQLITE_TEXT,    datetimeFunc    },
    { "strftime",  -1, SQLITE_TEXT,    strftimeFunc    },
#endif
  };
  int i;

  for(i=0; i<sizeof(aFuncs)/sizeof(aFuncs[0]); i++){
    sqlite_create_function(db, aFuncs[i].zName,
           aFuncs[i].nArg, aFuncs[i].xFunc, 0);
    if( aFuncs[i].xFunc ){
      sqlite_function_type(db, aFuncs[i].zName, aFuncs[i].dataType);
    }
  }

}








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/*
** This function registered all of the above C functions as SQL
** functions.  This should be the only routine in this file with
** external linkage.
*/
void sqliteRegisterDateTimeFunctions(sqlite *db){
#ifndef SQLITE_OMIT_DATETIME_FUNCS
  static struct {
     char *zName;
     int nArg;
     int dataType;
     void (*xFunc)(sqlite_func*,int,const char**);
  } aFuncs[] = {

    { "julianday", -1, SQLITE_NUMERIC, juliandayFunc   },
    { "date",      -1, SQLITE_TEXT,    dateFunc        },
    { "time",      -1, SQLITE_TEXT,    timeFunc        },
    { "datetime",  -1, SQLITE_TEXT,    datetimeFunc    },
    { "strftime",  -1, SQLITE_TEXT,    strftimeFunc    },

  };
  int i;

  for(i=0; i<sizeof(aFuncs)/sizeof(aFuncs[0]); i++){
    sqlite_create_function(db, aFuncs[i].zName,
           aFuncs[i].nArg, aFuncs[i].xFunc, 0);
    if( aFuncs[i].xFunc ){
      sqlite_function_type(db, aFuncs[i].zName, aFuncs[i].dataType);
    }
  }
#endif
}