test1.c

sqlite database for embed linux

*/
#ifdef SQLITE_ENABLE_COLUMN_METADATA
static int test_table_column_metadata(
  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
  int objc,              /* Number of arguments */
  Tcl_Obj *CONST objv[]  /* Command arguments */
){
  sqlite3 *db;
  const char *zDb;
  const char *zTbl;
  const char *zCol;
  int rc;
  Tcl_Obj *pRet;

  const char *zDatatype;
  const char *zCollseq;
  int notnull;
  int primarykey;
  int autoincrement;

  if( objc!=5 ){
    Tcl_WrongNumArgs(interp, 1, objv, "DB dbname tblname colname");
    return TCL_ERROR;
  }
  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
  zDb = Tcl_GetString(objv[2]);
  zTbl = Tcl_GetString(objv[3]);
  zCol = Tcl_GetString(objv[4]);

  if( strlen(zDb)==0 ) zDb = 0;

  rc = sqlite3_table_column_metadata(db, zDb, zTbl, zCol, 
      &zDatatype, &zCollseq, &notnull, &primarykey, &autoincrement);

  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3_errmsg(db), 0);
    return TCL_ERROR;
  }

  pRet = Tcl_NewObj();
  Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zDatatype, -1));
  Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zCollseq, -1));
  Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(notnull));
  Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(primarykey));
  Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(autoincrement));
  Tcl_SetObjResult(interp, pRet);

  return TCL_OK;
}
#endif


/*
** Usage: sqlite3_load_extension DB-HANDLE FILE ?PROC?
*/
static int test_load_extension(
  ClientData clientData, /* Not used */
  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
  int objc,              /* Number of arguments */
  Tcl_Obj *CONST objv[]  /* Command arguments */
){
  Tcl_CmdInfo cmdInfo;
  sqlite3 *db;
  int rc;
  char *zDb;
  char *zFile;
  char *zProc = 0;
  char *zErr = 0;

  if( objc!=4 && objc!=3 ){
    Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE FILE ?PROC?");
    return TCL_ERROR;
  }
  zDb = Tcl_GetString(objv[1]);
  zFile = Tcl_GetString(objv[2]);
  if( objc==4 ){
    zProc = Tcl_GetString(objv[3]);
  }

  /* Extract the C database handle from the Tcl command name */
  if( !Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
    Tcl_AppendResult(interp, "command not found: ", zDb, (char*)0);
    return TCL_ERROR;
  }
  db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
  assert(db);

  /* Call the underlying C function. If an error occurs, set rc to 
  ** TCL_ERROR and load any error string into the interpreter. If no 
  ** error occurs, set rc to TCL_OK.
  */
#ifdef SQLITE_OMIT_LOAD_EXTENSION
  rc = SQLITE_ERROR;
  zErr = sqlite3_mprintf("this build omits sqlite3_load_extension()");
#else
  rc = sqlite3_load_extension(db, zFile, zProc, &zErr);
#endif
  if( rc!=SQLITE_OK ){
    Tcl_SetResult(interp, zErr ? zErr : "", TCL_VOLATILE);
    rc = TCL_ERROR;
  }else{
    rc = TCL_OK;
  }
  sqlite3_free(zErr);

  return rc;
}

/*
** Usage: sqlite3_enable_load_extension DB-HANDLE ONOFF
*/
static int test_enable_load(
  ClientData clientData, /* Not used */
  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
  int objc,              /* Number of arguments */
  Tcl_Obj *CONST objv[]  /* Command arguments */
){
  Tcl_CmdInfo cmdInfo;
  sqlite3 *db;
  char *zDb;
  int onoff;

  if( objc!=3 ){
    Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE ONOFF");
    return TCL_ERROR;
  }
  zDb = Tcl_GetString(objv[1]);

  /* Extract the C database handle from the Tcl command name */
  if( !Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
    Tcl_AppendResult(interp, "command not found: ", zDb, (char*)0);
    return TCL_ERROR;
  }
  db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
  assert(db);

  /* Get the onoff parameter */
  if( Tcl_GetBooleanFromObj(interp, objv[2], &onoff) ){
    return TCL_ERROR;
  }

#ifdef SQLITE_OMIT_LOAD_EXTENSION
  Tcl_AppendResult(interp, "this build omits sqlite3_load_extension()");
  return TCL_ERROR;
#else
  sqlite3_enable_load_extension(db, onoff);
  return TCL_OK;
#endif
}

/*
** Usage:  sqlite_abort
**
** Shutdown the process immediately.  This is not a clean shutdown.
** This command is used to test the recoverability of a database in
** the event of a program crash.
*/
static int sqlite_abort(
  void *NotUsed,
  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
  int argc,              /* Number of arguments */
  char **argv            /* Text of each argument */
){
  assert( interp==0 );   /* This will always fail */
  return TCL_OK;
}

/*
** The following routine is a user-defined SQL function whose purpose
** is to test the sqlite_set_result() API.
*/
static void testFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
  while( argc>=2 ){
    const char *zArg0 = (char*)sqlite3_value_text(argv[0]);
    if( zArg0 ){
      if( 0==sqlite3StrICmp(zArg0, "int") ){
        sqlite3_result_int(context, sqlite3_value_int(argv[1]));
      }else if( sqlite3StrICmp(zArg0,"int64")==0 ){
        sqlite3_result_int64(context, sqlite3_value_int64(argv[1]));
      }else if( sqlite3StrICmp(zArg0,"string")==0 ){
        sqlite3_result_text(context, (char*)sqlite3_value_text(argv[1]), -1,
            SQLITE_TRANSIENT);
      }else if( sqlite3StrICmp(zArg0,"double")==0 ){
        sqlite3_result_double(context, sqlite3_value_double(argv[1]));
      }else if( sqlite3StrICmp(zArg0,"null")==0 ){
        sqlite3_result_null(context);
      }else if( sqlite3StrICmp(zArg0,"value")==0 ){
        sqlite3_result_value(context, argv[sqlite3_value_int(argv[1])]);
      }else{
        goto error_out;
      }
    }else{
      goto error_out;
    }
    argc -= 2;
    argv += 2;
  }
  return;

error_out:
  sqlite3_result_error(context,"first argument should be one of: "
      "int int64 string double null value", -1);
}

/*
** Usage:   sqlite_register_test_function  DB  NAME
**
** Register the test SQL function on the database DB under the name NAME.
*/
static int test_register_func(
  void *NotUsed,
  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
  int argc,              /* Number of arguments */
  char **argv            /* Text of each argument */
){
  sqlite3 *db;
  int rc;
  if( argc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], 
       " DB FUNCTION-NAME", 0);
    return TCL_ERROR;
  }
  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
  rc = sqlite3_create_function(db, argv[2], -1, SQLITE_UTF8, 0, 
      testFunc, 0, 0);
  if( rc!=0 ){
    Tcl_AppendResult(interp, sqlite3ErrStr(rc), 0);
    return TCL_ERROR;
  }
  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
  return TCL_OK;
}

/*
** Usage:  sqlite3_finalize  STMT 
**
** Finalize a statement handle.
*/
static int test_finalize(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  sqlite3_stmt *pStmt;
  int rc;
  sqlite3 *db = 0;

  if( objc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"",
        Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
    return TCL_ERROR;
  }

  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;

  if( pStmt ){
    db = StmtToDb(pStmt);
  }
  rc = sqlite3_finalize(pStmt);
  Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
  if( db && sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
  return TCL_OK;
}

/*
** Usage:  sqlite3_reset  STMT 
**
** Reset a statement handle.
*/
static int test_reset(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  sqlite3_stmt *pStmt;
  int rc;

  if( objc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"",
        Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
    return TCL_ERROR;
  }

  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;

  rc = sqlite3_reset(pStmt);
  if( pStmt && sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ){
    return TCL_ERROR;
  }
  Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
/*
  if( rc ){
    return TCL_ERROR;
  }
*/
  return TCL_OK;
}

/*
** Usage:  sqlite3_expired STMT 
**
** Return TRUE if a recompilation of the statement is recommended.
*/
static int test_expired(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  sqlite3_stmt *pStmt;
  if( objc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"",
        Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
    return TCL_ERROR;
  }
  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
  Tcl_SetObjResult(interp, Tcl_NewBooleanObj(sqlite3_expired(pStmt)));
  return TCL_OK;
}

/*
** Usage:  sqlite3_transfer_bindings FROMSTMT TOSTMT
**
** Transfer all bindings from FROMSTMT over to TOSTMT
*/
static int test_transfer_bind(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  sqlite3_stmt *pStmt1, *pStmt2;
  if( objc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"",
        Tcl_GetStringFromObj(objv[0], 0), " FROM-STMT TO-STMT", 0);
    return TCL_ERROR;
  }
  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt1)) return TCL_ERROR;
  if( getStmtPointer(interp, Tcl_GetString(objv[2]), &pStmt2)) return TCL_ERROR;
  Tcl_SetObjResult(interp, 
     Tcl_NewIntObj(sqlite3_transfer_bindings(pStmt1,pStmt2)));
  return TCL_OK;
}

/*
** Usage:  sqlite3_changes DB
**
** Return the number of changes made to the database by the last SQL
** execution.
*/
static int test_changes(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  sqlite3 *db;
  if( objc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"",
       Tcl_GetString(objv[0]), " DB", 0);
    return TCL_ERROR;
  }
  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
  Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_changes(db)));
  return TCL_OK;
}

/*
** This is the "static_bind_value" that variables are bound to when
** the FLAG option of sqlite3_bind is "static"
*/
static char *sqlite_static_bind_value = 0;
static int sqlite_static_bind_nbyte = 0;

/*
** Usage:  sqlite3_bind  VM  IDX  VALUE  FLAGS
**
** Sets the value of the IDX-th occurance of "?" in the original SQL
** string.  VALUE is the new value.  If FLAGS=="null" then VALUE is
** ignored and the value is set to NULL.  If FLAGS=="static" then
** the value is set to the value of a static variable named
** "sqlite_static_bind_value".  If FLAGS=="normal" then a copy
** of the VALUE is made.  If FLAGS=="blob10" then a VALUE is ignored
** an a 10-byte blob "abc\000xyz\000pq" is inserted.
*/
static int test_bind(
  void *NotUsed,
  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
  int argc,              /* Number of arguments */
  char **argv            /* Text of each argument */
){
  sqlite3_stmt *pStmt;
  int rc;
  int idx;
  if( argc!=5 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], 
       " VM IDX VALUE (null|static|normal)\"", 0);
    return TCL_ERROR;
  }
  if( getStmtPointer(interp, argv[1], &pStmt) ) return TCL_ERROR;
  if( Tcl_GetInt(interp, argv[2], &idx) ) return TCL_ERROR;
  if( strcmp(argv[4],"null")==0 ){
    rc = sqlite3_bind_null(pStmt, idx);
  }else if( strcmp(argv[4],"static")==0 ){
    rc = sqlite3_bind_text(pStmt, idx, sqlite_static_bind_value, -1, 0);
  }else if( strcmp(argv[4],"static-nbytes")==0 ){
    rc = sqlite3_bind_text(pStmt, idx, sqlite_static_bind_value,
                                       sqlite_static_bind_nbyte, 0);
  }else if( strcmp(argv[4],"normal")==0 ){
    rc = sqlite3_bind_text(pStmt, idx, argv[3], -1, SQLITE_TRANSIENT);
  }else if( strcmp(argv[4],"blob10")==0 ){
    rc = sqlite3_bind_text(pStmt, idx, "abc\000xyz\000pq", 10, SQLITE_STATIC);
  }else{
    Tcl_AppendResult(interp, "4th argument should be "
        "\"null\" or \"static\" or \"normal\"", 0);
    return TCL_ERROR;
  }
  if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
  if( rc ){
    char zBuf[50];
    sprintf(zBuf, "(%d) ", rc);
    Tcl_AppendResult(interp, zBuf, sqlite3ErrStr(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}

#ifndef SQLITE_OMIT_UTF16
/*
** Usage: add_test_collate <db ptr> <utf8> <utf16le> <utf16be>
**
** This function is used to test that SQLite selects the correct collation
** sequence callback when multiple versions (for different text encodings)
** are available.
**
** Calling this routine registers the collation sequence "test_collate"
** with database handle <db>. The second argument must be a list of three
** boolean values. If the first is true, then a version of test_collate is
** registered for UTF-8, if the second is true, a version is registered for
** UTF-16le, if the third is true, a UTF-16be version is available.
** Previous versions of test_collate are deleted.
**