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Overview
Comment:Add some comments for sqlite3_bind_*() APIs. (CVS 1411)
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 46b0942239dde9982abaaa7f77d5cf8375eb4209
User & Date: danielk1977 2004-05-20 01:40:19
Context
2004-05-20
02:01
VACUUM works again. (CVS 1412) check-in: c4e1d02f user: drh tags: trunk
01:40
Add some comments for sqlite3_bind_*() APIs. (CVS 1411) check-in: 46b09422 user: danielk1977 tags: trunk
01:12
Add support for the new sqlite3_bind_*() APIs. (CVS 1410) check-in: e8f980d8 user: danielk1977 tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

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 1.175 2004/05/12 11:24:03 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>

/*
** A pointer to this structure is used to communicate information
................................................................................

/*
** sqlite3_step
*/
int sqlite3_step(sqlite3_stmt *pStmt){
  return sqlite3_step(pStmt);
}

/*
** sqlite3_bind_text
*/
int sqlite3_bind_text(
  sqlite3_stmt *pStmt, 
  int i, 
  const char *zVal, 
  int n, 
  int eCopy
){
  return sqlite3_bind(pStmt, i, zVal, n, eCopy);
}

int sqlite3_bind_text16(
  sqlite3_stmt *pStmt, 
  int i, 
  void *zVal, 
  int n, 
  int eCopy
){
  int rc;
  char * zVal8;

  /* convert the first n bytes of the UTF-16 string to UTF-8 */
  zVal8 = sqlite3utf16to8(zVal, n);
  if( !zVal8 ){
    return SQLITE_NOMEM;
  }

  /* Pass -1 as the length of the UTF-8 string. It is guaranteed to be
  ** NULL-terminated by sqlite3utf16to8().
  */
  rc = sqlite3_bind_text(pStmt, i, zVal8, -1, eCopy);
  sqliteFree(filename8);

  return rc;
}

/*
** sqlite3_bind_null
*/
int sqlite3_bind_null(sqlite3_stmt*, int iParm){
  return sqlite3_bind(pStmt, i, 0, 0, 0);
}


int sqlite3_bind_int32(sqlite3_stmt*, int iParm, int iValue){
  assert(!"TODO");
}
int sqlite3_bind_int64(sqlite3_stmt*, int iParm, long long int iValue){
  assert(!"TODO");
}
int sqlite3_bind_double(sqlite3_stmt*, int iParm, double iValue){
  assert(!"TODO");
}
int sqlite3_bind_blob(sqlite3_stmt*, int i, const void*, int n, int eCopy){
  assert(!"TODO");
}


int sqlite3_column_count(sqlite3_stmt*){
}

int sqlite3_column_type(sqlite3_stmt*,int){
}








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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 1.176 2004/05/20 01:40:19 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>

/*
** A pointer to this structure is used to communicate information
................................................................................

/*
** sqlite3_step
*/
int sqlite3_step(sqlite3_stmt *pStmt){
  return sqlite3_step(pStmt);
}





























































int sqlite3_column_count(sqlite3_stmt*){
}

int sqlite3_column_type(sqlite3_stmt*,int){
}

Changes to src/sqlite.h.in.

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**    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 1.64 2004/05/19 10:34:52 danielk1977 Exp $
*/
#ifndef _SQLITE_H_
#define _SQLITE_H_
#include <stdarg.h>     /* Needed for the definition of va_list */

/*
** Make sure we can call this stuff from C++.
................................................................................
** The "in" and "out" parameters may point to the same buffer in order
** to decode a string in place.
*/
int sqlite_decode_binary(const unsigned char *in, unsigned char *out);

typedef sqlite_vm sqlite3_stmt;










int sqlite3_bind_int32(sqlite3_stmt*, int i, int iValue);










int sqlite3_bind_int64(sqlite3_stmt*, int i, long long int iValue);











int sqlite3_bind_double(sqlite3_stmt*, int i, double iValue);










int sqlite3_bind_null(sqlite3_stmt*, int i);






















int sqlite3_bind_text(sqlite3_stmt*, int i, const char*, int n, int eCopy);























int sqlite3_bind_text16(sqlite3_stmt*, int i, const void*, int, int eCopy);




















int sqlite3_bind_blob(sqlite3_stmt*, int i, const void*, int n, int eCopy);


#if 0

/*
** Below this point are the new sqlite3 APIs. At present these are
** implemented in terms of the sqlite2 API above. This is to get the TCL
** interface and other testing infrastructure in place for when







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**    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 1.65 2004/05/20 01:40:19 danielk1977 Exp $
*/
#ifndef _SQLITE_H_
#define _SQLITE_H_
#include <stdarg.h>     /* Needed for the definition of va_list */

/*
** Make sure we can call this stuff from C++.
................................................................................
** The "in" and "out" parameters may point to the same buffer in order
** to decode a string in place.
*/
int sqlite_decode_binary(const unsigned char *in, unsigned char *out);

typedef sqlite_vm sqlite3_stmt;

/*
** This routine is used to bind a 32-bit integer value to a variable
** in an SQL statement compiled by sqlite3_compile(). See comments for
** sqlite3_compile() for more details on SQL statement variables.
**
** The first argument is a pointer to an SQL statement previously
** obtained from a call to sqlite3_compile(). The second parameter "i"
** determines the parameter to bind the value "iValue" to.
*/
int sqlite3_bind_int32(sqlite3_stmt*, int i, int iValue);

/*
** This routine is used to bind a 64-bit integer value to a variable
** in an SQL statement compiled by sqlite3_compile(). See comments for
** sqlite3_compile() for more details on SQL statement variables.
**
** The first argument is a pointer to an SQL statement previously
** obtained from a call to sqlite3_compile(). The second parameter "i"
** determines the parameter to bind the value "iValue" to.
*/
int sqlite3_bind_int64(sqlite3_stmt*, int i, long long int iValue);

/*
** This routine is used to bind a real (floating point) value to a variable
** in an SQL statement compiled by sqlite3_compile(). See comments for
** sqlite3_compile() for more details on SQL statement variables.
**
** The first argument is a pointer to an SQL statement previously obtained
** from a call to sqlite3_compile(). The second parameter "i" determines
** the parameter to bind the value "iValue" to. Internally, SQLite will
** manipulate the value as a 64-bit IEEE float.
*/
int sqlite3_bind_double(sqlite3_stmt*, int i, double iValue);

/*
** This routine is used to bind a NULL value to a variable in an SQL
** statement compiled by sqlite3_compile(). See comments for
** sqlite3_compile() for more details on SQL statement variables.
**
** The first argument is a pointer to an SQL statement previously obtained
** from a call to sqlite3_compile(). The second parameter "i" determines
** the parameter to bind the NULL value to.
*/
int sqlite3_bind_null(sqlite3_stmt*, int i);

/*
** This routine is used to bind a UTF-8 string value to a variable in an
** SQL statement compiled by sqlite3_compile(). See comments for
** sqlite3_compile() for more details on SQL statement variables.
**
** The first argument is a pointer to an SQL statement previously obtained
** from a call to sqlite3_compile(). The second parameter "i" determines
** the parameter to bind the value to. Parameter three "z" is a pointer
** to the UTF-8 string. 
**
** The fourth "n" parameter is the number of bytes (not characters) in the
** string pointed to by "z". "n" may or may not include any nul terminator
** character. If "n" is less than zero, then SQLite assumes that "z" is
** a nul terminated string.
**
** If paramater "eCopy" is true, then SQLite makes a copy of the string
** pointed to by "z". If "eCopy" is false, then SQLite stores a pointer to
** the original string data. In this case the caller must ensure that the
** string data remains stable until after the SQL statement has been
** finalised or another value bound to variable "i".
*/
int sqlite3_bind_text(sqlite3_stmt*, int i, const char* z, int n, int eCopy);

/*
** This routine is used to bind a UTF-16 string value to a variable in an
** SQL statement compiled by sqlite3_compile(). See comments for
** sqlite3_compile() for more details on SQL statement variables.
**
** The first argument is a pointer to an SQL statement previously obtained
** from a call to sqlite3_compile(). The second parameter "i" determines
** the parameter to bind the value to. Parameter three "z" is a pointer to
** the UTF-16 string. If the string does not begin with a byte-order-mark,
** it is assumed to be encoded in the native byte order of the machine.
**
** The fourth "n" parameter is the number of bytes (not characters) in the
** string pointed to by "z". "n" may or may not include any nul terminator
** character. If "n" is less than zero, then SQLite assumes that "z" is
** terminated by a pair of 0x00 characters.
**
** If paramater "eCopy" is true, then SQLite makes a copy of the string
** pointed to by "z". If "eCopy" is false, then SQLite stores a pointer to
** the original string data. In this case the caller must ensure that the
** string data remains stable until after the SQL statement has been
** finalised or another value bound to variable "i".
*/
int sqlite3_bind_text16(sqlite3_stmt*, int i, const void *z, int, int eCopy);

/*
** This routine is used to bind a blob value to a variable in an
** SQL statement compiled by sqlite3_compile(). See comments for
** sqlite3_compile() for more details on SQL statement variables.
**
** The first argument is a pointer to an SQL statement previously obtained
** from a call to sqlite3_compile(). The second parameter "i" determines
** the parameter to bind the value to. Parameter three "z" is a pointer to
** the blob of data.
**
** The fourth "n" parameter is the number of bytes in the blob pointed to
** by "z". "n" may not be less than zero.
**
** If paramater "eCopy" is true, then SQLite makes a copy of the blob
** pointed to by "z". If "eCopy" is false, then SQLite stores a pointer to
** the original blob data. In this case the caller must ensure that the
** blob data remains stable until after the SQL statement has been
** finalised or another value bound to variable "i".
*/
int sqlite3_bind_blob(sqlite3_stmt*, int i, const void *z, int n, int eCopy);


#if 0

/*
** Below this point are the new sqlite3 APIs. At present these are
** implemented in terms of the sqlite2 API above. This is to get the TCL
** interface and other testing infrastructure in place for when

Changes to src/vdbeaux.c.

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      memcpy(pVar->z, zVal, bytes);
    }
  }

  return SQLITE_OK;
}




int sqlite3_bind_int64(sqlite3_stmt *p, int i, long long int iValue){
  int rc;
  Vdbe *v = (Vdbe *)p;
  rc = vdbeUnbind(v, i);
  if( rc==SQLITE_OK ){
    Mem *pVar = &v->apVar[i-1];
    pVar->flags = MEM_Int;
    pVar->i = iValue;
  }
  return SQLITE_OK;
}




int sqlite3_bind_int32(sqlite3_stmt *p, int i, int iValue){
  return sqlite3_bind_int64(p, i, (long long int)iValue);
}




int sqlite3_bind_double(sqlite3_stmt *p, int i, double iValue){
  int rc;
  Vdbe *v = (Vdbe *)p;
  rc = vdbeUnbind(v, i);
  if( rc==SQLITE_OK ){
    Mem *pVar = &v->apVar[i-1];
    pVar->flags = MEM_Real;
    pVar->r = iValue;
  }
  return SQLITE_OK;
}




int sqlite3_bind_null(sqlite3_stmt* p, int i){
  return vdbeUnbind((Vdbe *)p, i);
}




int sqlite3_bind_text( 
  sqlite3_stmt *p, 
  int i, 
  const char *zData, 
  int nData, 
  int eCopy
){
................................................................................
    }else if( !zData[nData-1] ){
      flags |= MEM_Term;
    }
  }
  return vdbeBindBlob((Vdbe *)p, i, zData, nData, eCopy, flags);
}




int sqlite3_bind_text16(
  sqlite3_stmt *p, 
  int i, 
  const void *zData, 
  int nData, 
  int eCopy
){
................................................................................
      }
    }
  }  
 
  return vdbeBindBlob((Vdbe *)p, i, zData, nData, eCopy, flags);
}




int sqlite3_bind_blob(
  sqlite3_stmt *p, 
  int i, 
  const void *zData, 
  int nData, 
  int eCopy
){







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      memcpy(pVar->z, zVal, bytes);
    }
  }

  return SQLITE_OK;
}

/*
** Bind a 64 bit integer to an SQL statement variable.
*/
int sqlite3_bind_int64(sqlite3_stmt *p, int i, long long int iValue){
  int rc;
  Vdbe *v = (Vdbe *)p;
  rc = vdbeUnbind(v, i);
  if( rc==SQLITE_OK ){
    Mem *pVar = &v->apVar[i-1];
    pVar->flags = MEM_Int;
    pVar->i = iValue;
  }
  return SQLITE_OK;
}

/*
** Bind a 32 bit integer to an SQL statement variable.
*/
int sqlite3_bind_int32(sqlite3_stmt *p, int i, int iValue){
  return sqlite3_bind_int64(p, i, (long long int)iValue);
}

/*
** Bind a double (real) to an SQL statement variable.
*/
int sqlite3_bind_double(sqlite3_stmt *p, int i, double iValue){
  int rc;
  Vdbe *v = (Vdbe *)p;
  rc = vdbeUnbind(v, i);
  if( rc==SQLITE_OK ){
    Mem *pVar = &v->apVar[i-1];
    pVar->flags = MEM_Real;
    pVar->r = iValue;
  }
  return SQLITE_OK;
}

/*
** Bind a NULL value to an SQL statement variable.
*/
int sqlite3_bind_null(sqlite3_stmt* p, int i){
  return vdbeUnbind((Vdbe *)p, i);
}

/*
** Bind a UTF-8 text value to an SQL statement variable.
*/
int sqlite3_bind_text( 
  sqlite3_stmt *p, 
  int i, 
  const char *zData, 
  int nData, 
  int eCopy
){
................................................................................
    }else if( !zData[nData-1] ){
      flags |= MEM_Term;
    }
  }
  return vdbeBindBlob((Vdbe *)p, i, zData, nData, eCopy, flags);
}

/*
** Bind a UTF-16 text value to an SQL statement variable.
*/
int sqlite3_bind_text16(
  sqlite3_stmt *p, 
  int i, 
  const void *zData, 
  int nData, 
  int eCopy
){
................................................................................
      }
    }
  }  
 
  return vdbeBindBlob((Vdbe *)p, i, zData, nData, eCopy, flags);
}

/*
** Bind a blob value to an SQL statement variable.
*/
int sqlite3_bind_blob(
  sqlite3_stmt *p, 
  int i, 
  const void *zData, 
  int nData, 
  int eCopy
){