SQLite

**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This header file defines the interface that the SQLite library
** presents to client programs.
**
** @(#) $Id: sqlite.h.in,v 1.34 2002/07/30 17:20:40 drh Exp $
*/
#ifndef _SQLITE_H_
#define _SQLITE_H_
#include <stdarg.h>     /* Needed for the definition of va_list */

/*
** The version of the SQLite library.

  const char *sqlFormat, /* printf-style format string for the SQL */
  char ***resultp,       /* Result written to a char *[]  that this points to */
  int *nrow,             /* Number of result rows written here */
  int *ncolumn,          /* Number of result columns written here */
  char **errmsg,         /* Error msg written here */
  va_list ap             /* Arguments to the format string */
);
char *sqlite_mprintf(const char*,...);

/*
** Windows systems should call this routine to free memory that
** is returned in the in the errmsg parameter of sqlite_open() when
** SQLite is a DLL.  For some reason, it does not work to call free()
** directly.
*/

/*
** 2001 September 15
**
** 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.
**
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.141 2002/07/30 17:20:40 drh Exp $
*/
#include "sqlite.h"
#include "hash.h"
#include "vdbe.h"
#include "parse.h"
#include "btree.h"
#include <stdio.h>

int sqliteExprAnalyzeAggregates(Parse*, Expr*);
Vdbe *sqliteGetVdbe(Parse*);
int sqliteRandomByte(void);
int sqliteRandomInteger(void);
void sqliteBeginTransaction(Parse*, int);
void sqliteCommitTransaction(Parse*);
void sqliteRollbackTransaction(Parse*);

int sqliteExprIsConstant(Expr*);
int sqliteExprIsInteger(Expr*, int*);
int sqliteIsRowid(const char*);
void sqliteGenerateRowDelete(sqlite*, Vdbe*, Table*, int, int);
void sqliteGenerateRowIndexDelete(sqlite*, Vdbe*, Table*, int, char*);
void sqliteGenerateConstraintChecks(Parse*,Table*,int,char*,int,int,int,int);
void sqliteCompleteInsertion(Parse*, Table*, int, char*, int, int);

** type to the other occurs as necessary.
** 
** Most of the code in this file is taken up by the sqliteVdbeExec()
** function which does the work of interpreting a VDBE program.
** But other routines are also provided to help in building up
** a program instruction by instruction.
**
** $Id: vdbe.c,v 1.166 2002/07/30 17:20:40 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>

/*
** The following global variable is incremented every time a cursor
** moves, either by the OP_MoveTo or the OP_Next opcode.  The test

** with NDEBUG=1, the VERIFY() code is omitted.
*/
#ifdef NDEBUG
# define VERIFY(X)
#else
# define VERIFY(X) X
#endif

/*
** The following routine works like a replacement for the standard
** library routine fgets().  The difference is in how end-of-line (EOL)
** is handled.  Standard fgets() uses LF for EOL under unix, CRLF
** under windows, and CR under mac.  This routine accepts any of these
** character sequences as an EOL mark.  The EOL mark is replaced by
** a single LF character in zBuf.
*/
static char *vdbe_fgets(char *zBuf, int nBuf, FILE *in){
  int i, c;
  for(i=0; i<nBuf-1 && (c=getc(in))!=EOF; i++){
    zBuf[i] = c;
    if( c=='\r' || c=='\n' ){
      if( c=='\r' ){
        zBuf[i] = '\n';
        c = getc(in);
        if( c!=EOF && c!='\n' ) ungetc(c, in);
      }
      i++;
      break;
    }
  }
  zBuf[i]  = 0;
  return i>0 ? zBuf : 0;
}

/*
** Execute the program in the VDBE.
**
** If an error occurs, an error message is written to memory obtained
** from sqliteMalloc() and *pzErrMsg is made to point to that memory.
** The return parameter is the number of errors.

        p->nLineAlloc = 0;
        sqliteFree(p->zLine);
        p->zLine = 0;
        goto no_mem;
      }
      p->zLine = zLine;
    }
    if( vdbe_fgets(&p->zLine[n], p->nLineAlloc-n, p->pFile)==0 ){
      eol = 1;
      p->zLine[n] = 0;
    }else{
      int c;
      while( (c = p->zLine[n])!=0 ){
        if( c=='\\' ){
          if( p->zLine[n+1]==0 ) break;

# 2001 September 15
#
# 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 implements regression tests for SQLite library.  The
# focus of this file is testing the COPY statement.
#
# $Id: copy.test,v 1.12 2002/07/30 17:20:41 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

# Create a file of data from which to copy.
#
set f [open data1.txt w]

puts $f "11 | 22 | 33"
puts $f "22 | 33 | 11"
close $f
set f [open data5.txt w]
puts $f "11|22|33"
puts $f "22|33|11"
close $f
set f [open dataX.txt w]
puts -nonewline $f "11|22|33\r"
puts -nonewline $f "22|33|44\r\n"
puts -nonewline $f "33|44|55\n"
puts -nonewline $f "44|55|66\r"
puts -nonewline $f "55|66|77\r\n"
puts -nonewline $f "66|77|88\n"
close $f

# Try to COPY into a non-existant table.
#
do_test copy-1.1 {
  set v [catch {execsql {COPY test1 FROM 'data1.txt'}} msg]
  lappend v $msg
} {1 {no such table: test1}}

} {2}
do_test copy-5.7 {
  execsql {
    COPY OR IGNORE t1 FROM 'data5.txt' USING DELIMITERS '|';
  }
} {0}

do_test copy-6.1 {
  execsql {
    PRAGMA count_changes=off;
    CREATE TABLE t2(a,b,c);
    COPY t2 FROM 'dataX.txt' USING DELIMITERS '|';
    SELECT * FROM t2;
  }
} {11 22 33 22 33 44 33 44 55 44 55 66 55 66 77 66 77 88}

integrity_check copy-7.1

# Cleanup 
#
file delete -force data1.txt data2.txt data3.txt data4.txt data5.txt \
                   data6.txt dataX.txt

finish_test