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Overview
Comment:Move the build-in function definitions into a new source file "func.c". (CVS 391)
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Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 530b0f4f2def89e200b7b0724a5967bf981bd91d
User & Date: drh 2002-02-24 01:55:16
Context
2002-02-24
03:25
Code for user-defined aggregates added. Legacy tests all pass but there has been no testing of the new user-defined aggregate code. (CVS 392) check-in: 1e037eb3 user: drh tags: trunk
01:55
Move the build-in function definitions into a new source file "func.c". (CVS 391) check-in: 530b0f4f user: drh tags: trunk
2002-02-23
23:45
Added support for user-defined normal functions. Support for user-defined aggregates is pending. (CVS 390) check-in: c490a1ff user: drh tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to Makefile.in. 

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ENCODING = @ENCODING@

# You should not have to change anything below this line
###############################################################################

# Object files for the SQLite library.
#
LIBOBJ = btree.lo build.lo delete.lo expr.lo hash.lo insert.lo \
         main.lo os.lo pager.lo parse.lo printf.lo random.lo select.lo \
         table.lo tokenize.lo update.lo util.lo vdbe.lo where.lo

# All of the source code files.
#
SRC = \
  $(TOP)/src/btree.c \
  $(TOP)/src/btree.h \
  $(TOP)/src/build.c \
  $(TOP)/src/delete.c \
  $(TOP)/src/expr.c \

  $(TOP)/src/hash.c \
  $(TOP)/src/insert.c \
  $(TOP)/src/main.c \
  $(TOP)/src/os.c \
  $(TOP)/src/pager.c \
  $(TOP)/src/pager.h \
  $(TOP)/src/parse.y \
................................................................................

delete.lo:	$(TOP)/src/delete.c $(HDR)
	$(LIBTOOL) $(TCC) -c $(TOP)/src/delete.c

expr.lo:	$(TOP)/src/expr.c $(HDR)
	$(LIBTOOL) $(TCC) -c $(TOP)/src/expr.c




hash.lo:	$(TOP)/src/hash.c $(HDR)
	$(LIBTOOL) $(TCC) -c $(TOP)/src/hash.c

insert.lo:	$(TOP)/src/insert.c $(HDR)
	$(LIBTOOL) $(TCC) -c $(TOP)/src/insert.c

random.lo:	$(TOP)/src/random.c $(HDR)








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ENCODING = @ENCODING@

# You should not have to change anything below this line
###############################################################################

# Object files for the SQLite library.
#
LIBOBJ = btree.lo build.lo delete.lo expr.lo func.lo hash.lo insert.lo \
         main.lo os.lo pager.lo parse.lo printf.lo random.lo select.lo \
         table.lo tokenize.lo update.lo util.lo vdbe.lo where.lo

# All of the source code files.
#
SRC = \
  $(TOP)/src/btree.c \
  $(TOP)/src/btree.h \
  $(TOP)/src/build.c \
  $(TOP)/src/delete.c \
  $(TOP)/src/expr.c \
  $(TOP)/src/func.c \
  $(TOP)/src/hash.c \
  $(TOP)/src/insert.c \
  $(TOP)/src/main.c \
  $(TOP)/src/os.c \
  $(TOP)/src/pager.c \
  $(TOP)/src/pager.h \
  $(TOP)/src/parse.y \
................................................................................

delete.lo:	$(TOP)/src/delete.c $(HDR)
	$(LIBTOOL) $(TCC) -c $(TOP)/src/delete.c

expr.lo:	$(TOP)/src/expr.c $(HDR)
	$(LIBTOOL) $(TCC) -c $(TOP)/src/expr.c

func.lo:	$(TOP)/src/func.c $(HDR)
	$(LIBTOOL) $(TCC) -c $(TOP)/src/func.c

hash.lo:	$(TOP)/src/hash.c $(HDR)
	$(LIBTOOL) $(TCC) -c $(TOP)/src/hash.c

insert.lo:	$(TOP)/src/insert.c $(HDR)
	$(LIBTOOL) $(TCC) -c $(TOP)/src/insert.c

random.lo:	$(TOP)/src/random.c $(HDR)

Changes to Makefile.template. 

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# This is how we compile
#
TCCX = $(TCC) $(OPTS) $(THREADSAFE) $(USLEEP) -I. -I$(TOP)/src

# Object files for the SQLite library.
#
LIBOBJ = btree.o build.o delete.o expr.o hash.o insert.o \
         main.o os.o pager.o parse.o printf.o random.o select.o table.o \
         tokenize.o update.o util.o vdbe.o where.o tclsqlite.o

# All of the source code files.
#
SRC = \
  $(TOP)/src/btree.c \
  $(TOP)/src/btree.h \
  $(TOP)/src/build.c \
  $(TOP)/src/delete.c \
  $(TOP)/src/expr.c \

  $(TOP)/src/hash.c \
  $(TOP)/src/hash.h \
  $(TOP)/src/insert.c \
  $(TOP)/src/main.c \
  $(TOP)/src/os.c \
  $(TOP)/src/pager.c \
  $(TOP)/src/pager.h \
................................................................................
	$(TCCX) -c $(TOP)/src/where.c

delete.o:	$(TOP)/src/delete.c $(HDR)
	$(TCCX) -c $(TOP)/src/delete.c

expr.o:	$(TOP)/src/expr.c $(HDR)
	$(TCCX) -c $(TOP)/src/expr.c




hash.o:	$(TOP)/src/hash.c $(HDR)
	$(TCCX) -c $(TOP)/src/hash.c

insert.o:	$(TOP)/src/insert.c $(HDR)
	$(TCCX) -c $(TOP)/src/insert.c









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# This is how we compile
#
TCCX = $(TCC) $(OPTS) $(THREADSAFE) $(USLEEP) -I. -I$(TOP)/src

# Object files for the SQLite library.
#
LIBOBJ = btree.o build.o delete.o expr.o func.o hash.o insert.o \
         main.o os.o pager.o parse.o printf.o random.o select.o table.o \
         tokenize.o update.o util.o vdbe.o where.o tclsqlite.o

# All of the source code files.
#
SRC = \
  $(TOP)/src/btree.c \
  $(TOP)/src/btree.h \
  $(TOP)/src/build.c \
  $(TOP)/src/delete.c \
  $(TOP)/src/expr.c \
  $(TOP)/src/func.c \
  $(TOP)/src/hash.c \
  $(TOP)/src/hash.h \
  $(TOP)/src/insert.c \
  $(TOP)/src/main.c \
  $(TOP)/src/os.c \
  $(TOP)/src/pager.c \
  $(TOP)/src/pager.h \
................................................................................
	$(TCCX) -c $(TOP)/src/where.c

delete.o:	$(TOP)/src/delete.c $(HDR)
	$(TCCX) -c $(TOP)/src/delete.c

expr.o:	$(TOP)/src/expr.c $(HDR)
	$(TCCX) -c $(TOP)/src/expr.c

func.o:	$(TOP)/src/func.c $(HDR)
	$(TCCX) -c $(TOP)/src/func.c

hash.o:	$(TOP)/src/hash.c $(HDR)
	$(TCCX) -c $(TOP)/src/hash.c

insert.o:	$(TOP)/src/insert.c $(HDR)
	$(TCCX) -c $(TOP)/src/insert.c

Added src/func.c. 

















































































































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/*
** 2002 February 23
**
** The author disclaims copyright to this source code.  In place of
** a legal notice, here is a blessing:
**
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains the C functions that implement various SQL
** functions of SQLite.  
**
** There is only one exported symbol in this file - the function
** sqliteRegisterBuildinFunctions() found at the bottom of the file.
** All other code has file scope.
**
** $Id: func.c,v 1.1 2002/02/24 01:55:17 drh Exp $
*/
#include <ctype.h>
#include "sqlite.h"

/*
** Implementation of the upper() and lower() SQL functions.
*/
static void upperFunc(void *context, int argc, const char **argv){
  char *z;
  int i;
  if( argc<1 || argv[0]==0 ) return;
  z = sqlite_set_result_string(context, argv[0], -1);
  if( z==0 ) return;
  for(i=0; z[i]; i++){
    if( islower(z[i]) ) z[i] = toupper(z[i]);
  }
}
static void lowerFunc(void *context, int argc, const char **argv){
  char *z;
  int i;
  if( argc<1 || argv[0]==0 ) return;
  z = sqlite_set_result_string(context, argv[0], -1);
  if( z==0 ) return;
  for(i=0; z[i]; i++){
    if( isupper(z[i]) ) z[i] = tolower(z[i]);
  }
}

/*
** This file registered all of the above C functions as SQL
** functions.
*/
void sqliteRegisterBuildinFunctions(sqlite *db){
  sqlite_create_function(db, "upper", 1, upperFunc);
  sqlite_create_function(db, "lower", 1, lowerFunc);
}

Changes to src/main.c. 

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**
*************************************************************************
** Main file for the SQLite library.  The routines in this file
** implement the programmer interface to the library.  Routines in
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: main.c,v 1.62 2002/02/23 23:45:45 drh Exp $
*/
#include <ctype.h>
#include "sqliteInt.h"
#include "os.h"

/*
** This is the callback routine for the code that initializes the
** database.  See sqliteInit() below for additional information.
**
................................................................................
*/
#ifdef SQLITE_UTF8
const char sqlite_encoding[] = "UTF-8";
#else
const char sqlite_encoding[] = "iso8859";
#endif

/*
** Implementation of the upper() and lower() SQL functions.
*/
static void upperFunc(void *context, int argc, const char **argv){
  char *z;
  int i;
  if( argc<1 || argv[0]==0 ) return;
  z = sqlite_set_result_string(context, argv[0], -1);
  if( z==0 ) return;
  for(i=0; z[i]; i++){
    if( islower(z[i]) ) z[i] = toupper(z[i]);
  }
}
static void lowerFunc(void *context, int argc, const char **argv){
  char *z;
  int i;
  if( argc<1 || argv[0]==0 ) return;
  z = sqlite_set_result_string(context, argv[0], -1);
  if( z==0 ) return;
  for(i=0; z[i]; i++){
    if( isupper(z[i]) ) z[i] = tolower(z[i]);
  }
}

/*
** Open a new SQLite database.  Construct an "sqlite" structure to define
** the state of this database and return a pointer to that structure.
**
** An attempt is made to initialize the in-memory data structures that
** hold the database schema.  But if this fails (because the schema file
** is locked) then that step is deferred until the first call to
................................................................................
  if( pzErrMsg ) *pzErrMsg = 0;
  if( db==0 ) goto no_mem_on_open;
  sqliteHashInit(&db->tblHash, SQLITE_HASH_STRING, 0);
  sqliteHashInit(&db->idxHash, SQLITE_HASH_STRING, 0);
  sqliteHashInit(&db->tblDrop, SQLITE_HASH_POINTER, 0);
  sqliteHashInit(&db->idxDrop, SQLITE_HASH_POINTER, 0);
  sqliteHashInit(&db->userFunc, SQLITE_HASH_STRING, 1);
  sqlite_create_function(db, "upper", 1, upperFunc);
  sqlite_create_function(db, "lower", 1, lowerFunc);
  db->onError = OE_Default;
  db->priorNewRowid = 0;
  
  /* Open the backend database driver */
  rc = sqliteBtreeOpen(zFilename, mode, MAX_PAGES, &db->pBe);
  if( rc!=SQLITE_OK ){
    switch( rc ){








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**
*************************************************************************
** Main file for the SQLite library.  The routines in this file
** implement the programmer interface to the library.  Routines in
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: main.c,v 1.63 2002/02/24 01:55:17 drh Exp $
*/

#include "sqliteInt.h"
#include "os.h"

/*
** This is the callback routine for the code that initializes the
** database.  See sqliteInit() below for additional information.
**
................................................................................
*/
#ifdef SQLITE_UTF8
const char sqlite_encoding[] = "UTF-8";
#else
const char sqlite_encoding[] = "iso8859";
#endif

























/*
** Open a new SQLite database.  Construct an "sqlite" structure to define
** the state of this database and return a pointer to that structure.
**
** An attempt is made to initialize the in-memory data structures that
** hold the database schema.  But if this fails (because the schema file
** is locked) then that step is deferred until the first call to
................................................................................
  if( pzErrMsg ) *pzErrMsg = 0;
  if( db==0 ) goto no_mem_on_open;
  sqliteHashInit(&db->tblHash, SQLITE_HASH_STRING, 0);
  sqliteHashInit(&db->idxHash, SQLITE_HASH_STRING, 0);
  sqliteHashInit(&db->tblDrop, SQLITE_HASH_POINTER, 0);
  sqliteHashInit(&db->idxDrop, SQLITE_HASH_POINTER, 0);
  sqliteHashInit(&db->userFunc, SQLITE_HASH_STRING, 1);
  sqliteRegisterBuildinFunctions(db);

  db->onError = OE_Default;
  db->priorNewRowid = 0;
  
  /* Open the backend database driver */
  rc = sqliteBtreeOpen(zFilename, mode, MAX_PAGES, &db->pBe);
  if( rc!=SQLITE_OK ){
    switch( rc ){

Changes to src/sqliteInt.h. 

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**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.91 2002/02/23 23:45:45 drh Exp $
*/
#include "sqlite.h"
#include "hash.h"
#include "vdbe.h"
#include "parse.h"
#include "btree.h"
#include <stdio.h>
................................................................................
void sqliteBeginWriteOperation(Parse*);
void sqliteBeginMultiWriteOperation(Parse*);
void sqliteEndWriteOperation(Parse*);
void sqliteExprMoveStrings(Expr*, int);
void sqliteExprListMoveStrings(ExprList*, int);
void sqliteSelectMoveStrings(Select*, int);
UserFunc *sqliteFindUserFunction(sqlite*,const char*,int,int,int);









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**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.92 2002/02/24 01:55:17 drh Exp $
*/
#include "sqlite.h"
#include "hash.h"
#include "vdbe.h"
#include "parse.h"
#include "btree.h"
#include <stdio.h>
................................................................................
void sqliteBeginWriteOperation(Parse*);
void sqliteBeginMultiWriteOperation(Parse*);
void sqliteEndWriteOperation(Parse*);
void sqliteExprMoveStrings(Expr*, int);
void sqliteExprListMoveStrings(ExprList*, int);
void sqliteSelectMoveStrings(Select*, int);
UserFunc *sqliteFindUserFunction(sqlite*,const char*,int,int,int);
void sqliteRegisterBuildinFunctions(sqlite*);

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