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Overview
Comment:The TCL interface binds variables as BLOB only if they have a bytearray representation but no text representation. Ticket #1287. (CVS 2528)
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SHA1:8c99dca60aebee0ec5de9ed11350de864bc76584
User & Date: drh 2005-06-25 19:31:48
Context
2005-06-25
19:42
Documentation fixes. Ticket #1306. (CVS 2529) check-in: 3dcdb794 user: drh tags: trunk
19:31
The TCL interface binds variables as BLOB only if they have a bytearray representation but no text representation. Ticket #1287. (CVS 2528) check-in: 8c99dca6 user: drh tags: trunk
18:42
Remove the blob(), text() and numeric() functions added in (2524) and replace them with the standard CAST operator. Ticket #1287. (CVS 2527) check-in: 17631785 user: drh tags: trunk
Changes
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Changes to src/tclsqlite.c. 

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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.
**
*************************************************************************
** A TCL Interface to SQLite
**
** $Id: tclsqlite.c,v 1.125 2005/05/20 09:40:56 danielk1977 Exp $
*/
#ifndef NO_TCL     /* Omit this whole file if TCL is unavailable */

#include "sqliteInt.h"
#include "hash.h"
#include "tcl.h"
#include <stdlib.h>
................................................................................
    sqlite3_result_error(context, Tcl_GetStringResult(p->interp), -1); 
  }else{
    Tcl_Obj *pVar = Tcl_GetObjResult(p->interp);
    int n;
    u8 *data;
    char *zType = pVar->typePtr ? pVar->typePtr->name : "";
    char c = zType[0];
    if( c=='b' && strcmp(zType,"bytearray")==0 ){


      data = Tcl_GetByteArrayFromObj(pVar, &n);
      sqlite3_result_blob(context, data, n, SQLITE_TRANSIENT);
    }else if( (c=='b' && strcmp(zType,"boolean")==0) ||
          (c=='i' && strcmp(zType,"int")==0) ){
      Tcl_GetIntFromObj(0, pVar, &n);
      sqlite3_result_int(context, n);
    }else if( c=='d' && strcmp(zType,"double")==0 ){
      double r;
      Tcl_GetDoubleFromObj(0, pVar, &r);
      sqlite3_result_double(context, r);




    }else{
      data = Tcl_GetStringFromObj(pVar, &n);
      sqlite3_result_text(context, data, n, SQLITE_TRANSIENT);
    }
  }
}

................................................................................
        if( zVar!=0 && (zVar[0]=='$' || zVar[0]==':') ){
          Tcl_Obj *pVar = Tcl_GetVar2Ex(interp, &zVar[1], 0, 0);
          if( pVar ){
            int n;
            u8 *data;
            char *zType = pVar->typePtr ? pVar->typePtr->name : "";
            char c = zType[0];
            if( c=='b' && strcmp(zType,"bytearray")==0 ){


              data = Tcl_GetByteArrayFromObj(pVar, &n);
              sqlite3_bind_blob(pStmt, i, data, n, SQLITE_STATIC);
              Tcl_IncrRefCount(pVar);
              apParm[nParm++] = pVar;
            }else if( (c=='b' && strcmp(zType,"boolean")==0) ||
                  (c=='i' && strcmp(zType,"int")==0) ){
              Tcl_GetIntFromObj(interp, pVar, &n);
              sqlite3_bind_int(pStmt, i, n);
            }else if( c=='d' && strcmp(zType,"double")==0 ){
              double r;
              Tcl_GetDoubleFromObj(interp, pVar, &r);
              sqlite3_bind_double(pStmt, i, r);




            }else{
              data = Tcl_GetStringFromObj(pVar, &n);
              sqlite3_bind_text(pStmt, i, data, n, SQLITE_STATIC);
              Tcl_IncrRefCount(pVar);
              apParm[nParm++] = pVar;
            }
          }else{








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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.
**
*************************************************************************
** A TCL Interface to SQLite
**
** $Id: tclsqlite.c,v 1.126 2005/06/25 19:31:48 drh Exp $
*/
#ifndef NO_TCL     /* Omit this whole file if TCL is unavailable */

#include "sqliteInt.h"
#include "hash.h"
#include "tcl.h"
#include <stdlib.h>
................................................................................
    sqlite3_result_error(context, Tcl_GetStringResult(p->interp), -1); 
  }else{
    Tcl_Obj *pVar = Tcl_GetObjResult(p->interp);
    int n;
    u8 *data;
    char *zType = pVar->typePtr ? pVar->typePtr->name : "";
    char c = zType[0];
    if( c=='b' && strcmp(zType,"bytearray")==0 && pVar->bytes==0 ){
      /* Only load a BLOB type if the Tcl variable is a bytearray and
      ** has no string representation. */
      data = Tcl_GetByteArrayFromObj(pVar, &n);
      sqlite3_result_blob(context, data, n, SQLITE_TRANSIENT);
    }else if( (c=='b' && strcmp(zType,"boolean")==0) ||
          (c=='i' && strcmp(zType,"int")==0) ){
      Tcl_GetIntFromObj(0, pVar, &n);
      sqlite3_result_int(context, n);
    }else if( c=='d' && strcmp(zType,"double")==0 ){
      double r;
      Tcl_GetDoubleFromObj(0, pVar, &r);
      sqlite3_result_double(context, r);
    }else if( c=='w' && strcmp(zType,"wideInt")==0 ){
      Tcl_WideInt v;
      Tcl_GetWideIntFromObj(0, pVar, &v);
      sqlite3_result_int64(context, v);
    }else{
      data = Tcl_GetStringFromObj(pVar, &n);
      sqlite3_result_text(context, data, n, SQLITE_TRANSIENT);
    }
  }
}

................................................................................
        if( zVar!=0 && (zVar[0]=='$' || zVar[0]==':') ){
          Tcl_Obj *pVar = Tcl_GetVar2Ex(interp, &zVar[1], 0, 0);
          if( pVar ){
            int n;
            u8 *data;
            char *zType = pVar->typePtr ? pVar->typePtr->name : "";
            char c = zType[0];
            if( c=='b' && strcmp(zType,"bytearray")==0 && pVar->bytes==0 ){
              /* Only load a BLOB type if the Tcl variable is a bytearray and
              ** has no string representation. */
              data = Tcl_GetByteArrayFromObj(pVar, &n);
              sqlite3_bind_blob(pStmt, i, data, n, SQLITE_STATIC);
              Tcl_IncrRefCount(pVar);
              apParm[nParm++] = pVar;
            }else if( (c=='b' && strcmp(zType,"boolean")==0) ||
                  (c=='i' && strcmp(zType,"int")==0) ){
              Tcl_GetIntFromObj(interp, pVar, &n);
              sqlite3_bind_int(pStmt, i, n);
            }else if( c=='d' && strcmp(zType,"double")==0 ){
              double r;
              Tcl_GetDoubleFromObj(interp, pVar, &r);
              sqlite3_bind_double(pStmt, i, r);
            }else if( c=='w' && strcmp(zType,"wideInt")==0 ){
              Tcl_WideInt v;
              Tcl_GetWideIntFromObj(interp, pVar, &v);
              sqlite3_bind_int64(pStmt, i, v);
            }else{
              data = Tcl_GetStringFromObj(pVar, &n);
              sqlite3_bind_text(pStmt, i, data, n, SQLITE_STATIC);
              Tcl_IncrRefCount(pVar);
              apParm[nParm++] = pVar;
            }
          }else{

Changes to src/test1.c. 

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**    May you share freely, never taking more than you give.
**
*************************************************************************
** Code for testing the printf() interface to SQLite.  This code
** is not included in the SQLite library.  It is used for automated
** testing of the SQLite library.
**
** $Id: test1.c,v 1.145 2005/06/25 18:42:14 drh Exp $
*/
#include "sqliteInt.h"
#include "tcl.h"
#include "os.h"
#include <stdlib.h>
#include <string.h>









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**    May you share freely, never taking more than you give.
**
*************************************************************************
** Code for testing the printf() interface to SQLite.  This code
** is not included in the SQLite library.  It is used for automated
** testing of the SQLite library.
**
** $Id: test1.c,v 1.146 2005/06/25 19:31:48 drh Exp $
*/
#include "sqliteInt.h"
#include "tcl.h"
#include "os.h"
#include <stdlib.h>
#include <string.h>

Changes to test/cast.test. 

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# 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 CAST operator.
#
# $Id: cast.test,v 1.1 2005/06/25 18:42:16 drh Exp $

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

# Only run these tests if the build includes the CAST operator
ifcapable !cast {
  finish_test

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# 2005 June 25
#
# 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 CAST operator.
#
# $Id: cast.test,v 1.2 2005/06/25 19:31:48 drh Exp $

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

# Only run these tests if the build includes the CAST operator
ifcapable !cast {
  finish_test

Added test/types3.test. 











































































































































































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# 2005 June 25
#
# 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 interaction of SQLite manifest types
# with Tcl dual-representations.
#
# $Id: types3.test,v 1.1 2005/06/25 19:31:48 drh Exp $
#

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

# A variable with only a string representation comes in as TEXT
do_test types3-1.1 {
  set V {}
  append V {}
  concat [tcl_variable_type V] [execsql {SELECT typeof($::V)}]
} {string text}

# A variable with an integer representation comes in as INTEGER
do_test types3-1.2 {
  set V [expr {1+2}]
  concat [tcl_variable_type V] [execsql {SELECT typeof($::V)}]
} {int integer}
do_test types3-1.3 {
  set V [expr {1+123456789012345}]
  concat [tcl_variable_type V] [execsql {SELECT typeof($::V)}]
} {wideInt integer}

# A double variable comes in as REAL
do_test types3-1.4 {
  set V [expr {1.0+1}]
  concat [tcl_variable_type V] [execsql {SELECT typeof($::V)}]
} {double real}

# A byte-array variable comes in a BLOB if it has no string representation
# or as TEXT if there is a string representation.
#
do_test types3-1.5 {
  set V [binary format a3 abc]
  concat [tcl_variable_type V] [execsql {SELECT typeof($::V)}]
} {bytearray blob}
do_test types3-1.6 {
  set V "abc"
  binary scan $V a3 x
  concat [tcl_variable_type V] [execsql {SELECT typeof($::V)}]
} {bytearray text}

# Check to make sure return values are of the right types.
#
do_test types3-2.1 {
  set V [db one {SELECT x'616263'}]
  tcl_variable_type V
} bytearray
do_test types3-2.2 {
  set V [db one {SELECT 123}]
  tcl_variable_type V
} int
do_test types3-2.3 {
  set V [db one {SELECT 1234567890123456}]
  tcl_variable_type V
} wideInt
do_test types3-2.4 {
  set V [db one {SELECT 1234567890123456.0}]
  tcl_variable_type V
} double
do_test types3-2.5 {
  set V [db one {SELECT '1234567890123456.0'}]
  tcl_variable_type V
} {}
do_test types3-2.6 {
  set V [db one {SELECT NULL}]
  tcl_variable_type V
} {}

finish_test

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