#pragma ident "%Z%%M% %I% %E% SMI"
/*
** 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.
**
*************************************************************************
** Code for testing the btree.c module in SQLite. This code
** is not included in the SQLite library. It is used for automated
** testing of the SQLite library.
**
** $Id: test3.c,v 1.23 2003/04/13 18:26:52 paul Exp $
*/
#include "sqliteInt.h"
#include "pager.h"
#include "btree.h"
#include "tcl.h"
#include <stdlib.h>
#include <string.h>
/*
** Interpret an SQLite error number
*/
static char *errorName(int rc){
char *zName;
switch( rc ){
case SQLITE_OK: zName = "SQLITE_OK"; break;
case SQLITE_ERROR: zName = "SQLITE_ERROR"; break;
case SQLITE_INTERNAL: zName = "SQLITE_INTERNAL"; break;
case SQLITE_PERM: zName = "SQLITE_PERM"; break;
case SQLITE_ABORT: zName = "SQLITE_ABORT"; break;
case SQLITE_BUSY: zName = "SQLITE_BUSY"; break;
case SQLITE_NOMEM: zName = "SQLITE_NOMEM"; break;
case SQLITE_READONLY: zName = "SQLITE_READONLY"; break;
case SQLITE_INTERRUPT: zName = "SQLITE_INTERRUPT"; break;
case SQLITE_IOERR: zName = "SQLITE_IOERR"; break;
case SQLITE_CORRUPT: zName = "SQLITE_CORRUPT"; break;
case SQLITE_NOTFOUND: zName = "SQLITE_NOTFOUND"; break;
case SQLITE_FULL: zName = "SQLITE_FULL"; break;
case SQLITE_CANTOPEN: zName = "SQLITE_CANTOPEN"; break;
case SQLITE_PROTOCOL: zName = "SQLITE_PROTOCOL"; break;
default: zName = "SQLITE_Unknown"; break;
}
return zName;
}
/*
** Usage: btree_open FILENAME
**
** Open a new database
*/
static int btree_open(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
Btree *pBt;
int rc;
char zBuf[100];
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" FILENAME\"", 0);
return TCL_ERROR;
}
rc = sqliteBtreeFactory(0, argv[1], 0, 1000, &pBt);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
sprintf(zBuf,"%p", pBt);
if( strncmp(zBuf,"0x",2) ){
sprintf(zBuf, "0x%p", pBt);
}
Tcl_AppendResult(interp, zBuf, 0);
return TCL_OK;
}
/*
** Usage: btree_close ID
**
** Close the given database.
*/
static int btree_close(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
Btree *pBt;
int rc;
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
rc = sqliteBtreeClose(pBt);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
return TCL_OK;
}
/*
** Usage: btree_begin_transaction ID
**
** Start a new transaction
*/
static int btree_begin_transaction(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
Btree *pBt;
int rc;
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
rc = sqliteBtreeBeginTrans(pBt);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
return TCL_OK;
}
/*
** Usage: btree_rollback ID
**
** Rollback changes
*/
static int btree_rollback(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
Btree *pBt;
int rc;
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
rc = sqliteBtreeRollback(pBt);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
return TCL_OK;
}
/*
** Usage: btree_commit ID
**
** Commit all changes
*/
static int btree_commit(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
Btree *pBt;
int rc;
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
rc = sqliteBtreeCommit(pBt);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
return TCL_OK;
}
/*
** Usage: btree_create_table ID
**
** Create a new table in the database
*/
static int btree_create_table(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
Btree *pBt;
int rc, iTable;
char zBuf[30];
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
rc = sqliteBtreeCreateTable(pBt, &iTable);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
sprintf(zBuf, "%d", iTable);
Tcl_AppendResult(interp, zBuf, 0);
return TCL_OK;
}
/*
** Usage: btree_drop_table ID TABLENUM
**
** Delete an entire table from the database
*/
static int btree_drop_table(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
Btree *pBt;
int iTable;
int rc;
if( argc!=3 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID TABLENUM\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
if( Tcl_GetInt(interp, argv[2], &iTable) ) return TCL_ERROR;
rc = sqliteBtreeDropTable(pBt, iTable);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
return TCL_OK;
}
/*
** Usage: btree_clear_table ID TABLENUM
**
** Remove all entries from the given table but keep the table around.
*/
static int btree_clear_table(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
Btree *pBt;
int iTable;
int rc;
if( argc!=3 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID TABLENUM\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
if( Tcl_GetInt(interp, argv[2], &iTable) ) return TCL_ERROR;
rc = sqliteBtreeClearTable(pBt, iTable);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
return TCL_OK;
}
/*
** Usage: btree_get_meta ID
**
** Return meta data
*/
static int btree_get_meta(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
Btree *pBt;
int rc;
int i;
int aMeta[SQLITE_N_BTREE_META];
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
rc = sqliteBtreeGetMeta(pBt, aMeta);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
for(i=0; i<SQLITE_N_BTREE_META; i++){
char zBuf[30];
sprintf(zBuf,"%d",aMeta[i]);
Tcl_AppendElement(interp, zBuf);
}
return TCL_OK;
}
/*
** Usage: btree_update_meta ID METADATA...
**
** Return meta data
*/
static int btree_update_meta(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
Btree *pBt;
int rc;
int i;
int aMeta[SQLITE_N_BTREE_META];
if( argc!=2+SQLITE_N_BTREE_META ){
char zBuf[30];
sprintf(zBuf,"%d",SQLITE_N_BTREE_META);
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID METADATA...\" (METADATA is ", zBuf, " integers)", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
for(i=0; i<SQLITE_N_BTREE_META; i++){
if( Tcl_GetInt(interp, argv[i+2], &aMeta[i]) ) return TCL_ERROR;
}
rc = sqliteBtreeUpdateMeta(pBt, aMeta);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
return TCL_OK;
}
/*
** Usage: btree_page_dump ID PAGENUM
**
** Print a disassembly of a page on standard output
*/
static int btree_page_dump(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
Btree *pBt;
int iPage;
int rc;
if( argc!=3 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
if( Tcl_GetInt(interp, argv[2], &iPage) ) return TCL_ERROR;
rc = sqliteBtreePageDump(pBt, iPage, 0);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
return TCL_OK;
}
/*
** Usage: btree_tree_dump ID PAGENUM
**
** Print a disassembly of a page and all its child pages on standard output
*/
static int btree_tree_dump(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
Btree *pBt;
int iPage;
int rc;
if( argc!=3 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
if( Tcl_GetInt(interp, argv[2], &iPage) ) return TCL_ERROR;
rc = sqliteBtreePageDump(pBt, iPage, 1);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
return TCL_OK;
}
/*
** Usage: btree_pager_stats ID
**
** Returns pager statistics
*/
static int btree_pager_stats(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
Btree *pBt;
int i;
int *a;
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
a = sqlitepager_stats(sqliteBtreePager(pBt));
for(i=0; i<9; i++){
static char *zName[] = {
"ref", "page", "max", "size", "state", "err",
"hit", "miss", "ovfl",
};
char zBuf[100];
Tcl_AppendElement(interp, zName[i]);
sprintf(zBuf,"%d",a[i]);
Tcl_AppendElement(interp, zBuf);
}
return TCL_OK;
}
/*
** Usage: btree_pager_ref_dump ID
**
** Print out all outstanding pages.
*/
static int btree_pager_ref_dump(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
Btree *pBt;
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
sqlitepager_refdump(sqliteBtreePager(pBt));
return TCL_OK;
}
/*
** Usage: btree_integrity_check ID ROOT ...
**
** Look through every page of the given BTree file to verify correct
** formatting and linkage. Return a line of text for each problem found.
** Return an empty string if everything worked.
*/
static int btree_integrity_check(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
Btree *pBt;
char *zResult;
int nRoot;
int *aRoot;
int i;
if( argc<3 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID ROOT ...\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
nRoot = argc-2;
aRoot = malloc( sizeof(int)*(argc-2) );
for(i=0; i<argc-2; i++){
if( Tcl_GetInt(interp, argv[i+2], &aRoot[i]) ) return TCL_ERROR;
}
zResult = sqliteBtreeIntegrityCheck(pBt, aRoot, nRoot);
if( zResult ){
Tcl_AppendResult(interp, zResult, 0);
sqliteFree(zResult);
}
return TCL_OK;
}
/*
** Usage: btree_cursor ID TABLENUM WRITEABLE
**
** Create a new cursor. Return the ID for the cursor.
*/
static int btree_cursor(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
Btree *pBt;
int iTable;
BtCursor *pCur;
int rc;
int wrFlag;
char zBuf[30];
if( argc!=4 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID TABLENUM WRITEABLE\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pBt) ) return TCL_ERROR;
if( Tcl_GetInt(interp, argv[2], &iTable) ) return TCL_ERROR;
if( Tcl_GetBoolean(interp, argv[3], &wrFlag) ) return TCL_ERROR;
rc = sqliteBtreeCursor(pBt, iTable, wrFlag, &pCur);
if( rc ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
sprintf(zBuf,"0x%x", (int)pCur);
Tcl_AppendResult(interp, zBuf, 0);
return SQLITE_OK;
}
/*
** Usage: btree_close_cursor ID
**
** Close a cursor opened using btree_cursor.
*/
static int btree_close_cursor(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
BtCursor *pCur;
int rc;
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
rc = sqliteBtreeCloseCursor(pCur);
if( rc ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
return SQLITE_OK;
}
/*
** Usage: btree_move_to ID KEY
**
** Move the cursor to the entry with the given key.
*/
static int btree_move_to(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
BtCursor *pCur;
int rc;
int res;
char zBuf[20];
if( argc!=3 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID KEY\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
rc = sqliteBtreeMoveto(pCur, argv[2], strlen(argv[2]), &res);
if( rc ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
if( res<0 ) res = -1;
if( res>0 ) res = 1;
sprintf(zBuf,"%d",res);
Tcl_AppendResult(interp, zBuf, 0);
return SQLITE_OK;
}
/*
** Usage: btree_delete ID
**
** Delete the entry that the cursor is pointing to
*/
static int btree_delete(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
BtCursor *pCur;
int rc;
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
rc = sqliteBtreeDelete(pCur);
if( rc ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
return SQLITE_OK;
}
/*
** Usage: btree_insert ID KEY DATA
**
** Create a new entry with the given key and data. If an entry already
** exists with the same key the old entry is overwritten.
*/
static int btree_insert(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
BtCursor *pCur;
int rc;
if( argc!=4 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID KEY DATA\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
rc = sqliteBtreeInsert(pCur, argv[2], strlen(argv[2]),
argv[3], strlen(argv[3]));
if( rc ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
return SQLITE_OK;
}
/*
** Usage: btree_next ID
**
** Move the cursor to the next entry in the table. Return 0 on success
** or 1 if the cursor was already on the last entry in the table or if
** the table is empty.
*/
static int btree_next(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
BtCursor *pCur;
int rc;
int res = 0;
char zBuf[100];
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
rc = sqliteBtreeNext(pCur, &res);
if( rc ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
sprintf(zBuf,"%d",res);
Tcl_AppendResult(interp, zBuf, 0);
return SQLITE_OK;
}
/*
** Usage: btree_prev ID
**
** Move the cursor to the previous entry in the table. Return 0 on
** success and 1 if the cursor was already on the first entry in
** the table or if the table was empty.
*/
static int btree_prev(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
BtCursor *pCur;
int rc;
int res = 0;
char zBuf[100];
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
rc = sqliteBtreePrevious(pCur, &res);
if( rc ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
sprintf(zBuf,"%d",res);
Tcl_AppendResult(interp, zBuf, 0);
return SQLITE_OK;
}
/*
** Usage: btree_first ID
**
** Move the cursor to the first entry in the table. Return 0 if the
** cursor was left point to something and 1 if the table is empty.
*/
static int btree_first(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
BtCursor *pCur;
int rc;
int res = 0;
char zBuf[100];
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
rc = sqliteBtreeFirst(pCur, &res);
if( rc ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
sprintf(zBuf,"%d",res);
Tcl_AppendResult(interp, zBuf, 0);
return SQLITE_OK;
}
/*
** Usage: btree_last ID
**
** Move the cursor to the last entry in the table. Return 0 if the
** cursor was left point to something and 1 if the table is empty.
*/
static int btree_last(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
BtCursor *pCur;
int rc;
int res = 0;
char zBuf[100];
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
rc = sqliteBtreeLast(pCur, &res);
if( rc ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
sprintf(zBuf,"%d",res);
Tcl_AppendResult(interp, zBuf, 0);
return SQLITE_OK;
}
/*
** Usage: btree_key ID
**
** Return the key for the entry at which the cursor is pointing.
*/
static int btree_key(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
BtCursor *pCur;
int rc;
int n;
char *zBuf;
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
sqliteBtreeKeySize(pCur, &n);
zBuf = malloc( n+1 );
rc = sqliteBtreeKey(pCur, 0, n, zBuf);
if( rc!=n ){
char zMsg[100];
free(zBuf);
sprintf(zMsg, "truncated key: got %d of %d bytes", rc, n);
Tcl_AppendResult(interp, zMsg, 0);
return TCL_ERROR;
}
zBuf[n] = 0;
Tcl_AppendResult(interp, zBuf, 0);
free(zBuf);
return SQLITE_OK;
}
/*
** Usage: btree_data ID
**
** Return the data for the entry at which the cursor is pointing.
*/
static int btree_data(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
BtCursor *pCur;
int rc;
int n;
char *zBuf;
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
sqliteBtreeDataSize(pCur, &n);
zBuf = malloc( n+1 );
rc = sqliteBtreeData(pCur, 0, n, zBuf);
if( rc!=n ){
char zMsg[100];
free(zBuf);
sprintf(zMsg, "truncated data: got %d of %d bytes", rc, n);
Tcl_AppendResult(interp, zMsg, 0);
return TCL_ERROR;
}
zBuf[n] = 0;
Tcl_AppendResult(interp, zBuf, 0);
free(zBuf);
return SQLITE_OK;
}
/*
** Usage: btree_payload_size ID
**
** Return the number of bytes of payload
*/
static int btree_payload_size(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
BtCursor *pCur;
int n1, n2;
char zBuf[50];
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
sqliteBtreeKeySize(pCur, &n1);
sqliteBtreeDataSize(pCur, &n2);
sprintf(zBuf, "%d", n1+n2);
Tcl_AppendResult(interp, zBuf, 0);
return SQLITE_OK;
}
/*
** Usage: btree_cursor_dump ID
**
** Return eight integers containing information about the entry the
** cursor is pointing to:
**
** aResult[0] = The page number
** aResult[1] = The entry number
** aResult[2] = Total number of entries on this page
** aResult[3] = Size of this entry
** aResult[4] = Number of free bytes on this page
** aResult[5] = Number of free blocks on the page
** aResult[6] = Page number of the left child of this entry
** aResult[7] = Page number of the right child for the whole page
*/
static int btree_cursor_dump(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
BtCursor *pCur;
int rc;
int i, j;
int aResult[8];
char zBuf[400];
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
rc = sqliteBtreeCursorDump(pCur, aResult);
if( rc ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
j = 0;
for(i=0; i<sizeof(aResult)/sizeof(aResult[0]); i++){
sprintf(&zBuf[j]," %d", aResult[i]);
j += strlen(&zBuf[j]);
}
Tcl_AppendResult(interp, &zBuf[1], 0);
return SQLITE_OK;
}
/*
** Register commands with the TCL interpreter.
*/
int Sqlitetest3_Init(Tcl_Interp *interp){
static struct {
char *zName;
Tcl_CmdProc *xProc;
} aCmd[] = {
{ "btree_open", (Tcl_CmdProc*)btree_open },
{ "btree_close", (Tcl_CmdProc*)btree_close },
{ "btree_begin_transaction", (Tcl_CmdProc*)btree_begin_transaction },
{ "btree_commit", (Tcl_CmdProc*)btree_commit },
{ "btree_rollback", (Tcl_CmdProc*)btree_rollback },
{ "btree_create_table", (Tcl_CmdProc*)btree_create_table },
{ "btree_drop_table", (Tcl_CmdProc*)btree_drop_table },
{ "btree_clear_table", (Tcl_CmdProc*)btree_clear_table },
{ "btree_get_meta", (Tcl_CmdProc*)btree_get_meta },
{ "btree_update_meta", (Tcl_CmdProc*)btree_update_meta },
{ "btree_page_dump", (Tcl_CmdProc*)btree_page_dump },
{ "btree_tree_dump", (Tcl_CmdProc*)btree_tree_dump },
{ "btree_pager_stats", (Tcl_CmdProc*)btree_pager_stats },
{ "btree_pager_ref_dump", (Tcl_CmdProc*)btree_pager_ref_dump },
{ "btree_cursor", (Tcl_CmdProc*)btree_cursor },
{ "btree_close_cursor", (Tcl_CmdProc*)btree_close_cursor },
{ "btree_move_to", (Tcl_CmdProc*)btree_move_to },
{ "btree_delete", (Tcl_CmdProc*)btree_delete },
{ "btree_insert", (Tcl_CmdProc*)btree_insert },
{ "btree_next", (Tcl_CmdProc*)btree_next },
{ "btree_prev", (Tcl_CmdProc*)btree_prev },
{ "btree_key", (Tcl_CmdProc*)btree_key },
{ "btree_data", (Tcl_CmdProc*)btree_data },
{ "btree_payload_size", (Tcl_CmdProc*)btree_payload_size },
{ "btree_first", (Tcl_CmdProc*)btree_first },
{ "btree_last", (Tcl_CmdProc*)btree_last },
{ "btree_cursor_dump", (Tcl_CmdProc*)btree_cursor_dump },
{ "btree_integrity_check", (Tcl_CmdProc*)btree_integrity_check },
};
int i;
for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
Tcl_CreateCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0);
}
Tcl_LinkVar(interp, "pager_refinfo_enable", (char*)&pager_refinfo_enable,
TCL_LINK_INT);
Tcl_LinkVar(interp, "btree_native_byte_order",(char*)&btree_native_byte_order,
TCL_LINK_INT);
return TCL_OK;
}