sl@0: /*
sl@0: ** 2001 September 15
sl@0: **
sl@0: ** The author disclaims copyright to this source code.  In place of
sl@0: ** a legal notice, here is a blessing:
sl@0: **
sl@0: **    May you do good and not evil.
sl@0: **    May you find forgiveness for yourself and forgive others.
sl@0: **    May you share freely, never taking more than you give.
sl@0: **
sl@0: *************************************************************************
sl@0: ** Code for testing the btree.c module in SQLite.  This code
sl@0: ** is not included in the SQLite library.  It is used for automated
sl@0: ** testing of the SQLite library.
sl@0: **
sl@0: ** $Id: test3.c,v 1.101 2008/08/13 19:11:48 drh Exp $
sl@0: */
sl@0: #include "sqliteInt.h"
sl@0: #include "btreeInt.h"
sl@0: #include "tcl.h"
sl@0: #include <stdlib.h>
sl@0: #include <string.h>
sl@0: 
sl@0: /*
sl@0: ** Interpret an SQLite error number
sl@0: */
sl@0: static char *errorName(int rc){
sl@0:   char *zName;
sl@0:   switch( rc ){
sl@0:     case SQLITE_OK:         zName = "SQLITE_OK";          break;
sl@0:     case SQLITE_ERROR:      zName = "SQLITE_ERROR";       break;
sl@0:     case SQLITE_PERM:       zName = "SQLITE_PERM";        break;
sl@0:     case SQLITE_ABORT:      zName = "SQLITE_ABORT";       break;
sl@0:     case SQLITE_BUSY:       zName = "SQLITE_BUSY";        break;
sl@0:     case SQLITE_NOMEM:      zName = "SQLITE_NOMEM";       break;
sl@0:     case SQLITE_READONLY:   zName = "SQLITE_READONLY";    break;
sl@0:     case SQLITE_INTERRUPT:  zName = "SQLITE_INTERRUPT";   break;
sl@0:     case SQLITE_IOERR:      zName = "SQLITE_IOERR";       break;
sl@0:     case SQLITE_CORRUPT:    zName = "SQLITE_CORRUPT";     break;
sl@0:     case SQLITE_FULL:       zName = "SQLITE_FULL";        break;
sl@0:     case SQLITE_CANTOPEN:   zName = "SQLITE_CANTOPEN";    break;
sl@0:     case SQLITE_PROTOCOL:   zName = "SQLITE_PROTOCOL";    break;
sl@0:     case SQLITE_EMPTY:      zName = "SQLITE_EMPTY";       break;
sl@0:     case SQLITE_LOCKED:     zName = "SQLITE_LOCKED";      break;
sl@0:     default:                zName = "SQLITE_Unknown";     break;
sl@0:   }
sl@0:   return zName;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** A bogus sqlite3 connection structure for use in the btree
sl@0: ** tests.
sl@0: */
sl@0: static sqlite3 sDb;
sl@0: static int nRefSqlite3 = 0;
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_open FILENAME NCACHE FLAGS
sl@0: **
sl@0: ** Open a new database
sl@0: */
sl@0: static int btree_open(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   Btree *pBt;
sl@0:   int rc, nCache, flags;
sl@0:   char zBuf[100];
sl@0:   if( argc!=4 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " FILENAME NCACHE FLAGS\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   if( Tcl_GetInt(interp, argv[2], &nCache) ) return TCL_ERROR;
sl@0:   if( Tcl_GetInt(interp, argv[3], &flags) ) return TCL_ERROR;
sl@0:   nRefSqlite3++;
sl@0:   if( nRefSqlite3==1 ){
sl@0:     sDb.pVfs = sqlite3_vfs_find(0);
sl@0:     sDb.mutex = sqlite3MutexAlloc(SQLITE_MUTEX_RECURSIVE);
sl@0:     sqlite3_mutex_enter(sDb.mutex);
sl@0:   }
sl@0:   rc = sqlite3BtreeOpen(argv[1], &sDb, &pBt, flags,
sl@0:      SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_MAIN_DB);
sl@0:   if( rc!=SQLITE_OK ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   sqlite3BtreeSetCacheSize(pBt, nCache);
sl@0:   sqlite3_snprintf(sizeof(zBuf), zBuf,"%p", pBt);
sl@0:   Tcl_AppendResult(interp, zBuf, 0);
sl@0:   return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_close ID
sl@0: **
sl@0: ** Close the given database.
sl@0: */
sl@0: static int btree_close(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   Btree *pBt;
sl@0:   int rc;
sl@0:   if( argc!=2 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pBt = sqlite3TestTextToPtr(argv[1]);
sl@0:   rc = sqlite3BtreeClose(pBt);
sl@0:   if( rc!=SQLITE_OK ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   nRefSqlite3--;
sl@0:   if( nRefSqlite3==0 ){
sl@0:     sqlite3_mutex_leave(sDb.mutex);
sl@0:     sqlite3_mutex_free(sDb.mutex);
sl@0:     sDb.mutex = 0;
sl@0:     sDb.pVfs = 0;
sl@0:   }
sl@0:   return TCL_OK;
sl@0: }
sl@0: 
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_begin_transaction ID
sl@0: **
sl@0: ** Start a new transaction
sl@0: */
sl@0: static int btree_begin_transaction(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   Btree *pBt;
sl@0:   int rc;
sl@0:   if( argc!=2 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pBt = sqlite3TestTextToPtr(argv[1]);
sl@0:   sqlite3BtreeEnter(pBt);
sl@0:   rc = sqlite3BtreeBeginTrans(pBt, 1);
sl@0:   sqlite3BtreeLeave(pBt);
sl@0:   if( rc!=SQLITE_OK ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_rollback ID
sl@0: **
sl@0: ** Rollback changes
sl@0: */
sl@0: static int btree_rollback(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   Btree *pBt;
sl@0:   int rc;
sl@0:   if( argc!=2 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pBt = sqlite3TestTextToPtr(argv[1]);
sl@0:   sqlite3BtreeEnter(pBt);
sl@0:   rc = sqlite3BtreeRollback(pBt);
sl@0:   sqlite3BtreeLeave(pBt);
sl@0:   if( rc!=SQLITE_OK ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_commit ID
sl@0: **
sl@0: ** Commit all changes
sl@0: */
sl@0: static int btree_commit(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   Btree *pBt;
sl@0:   int rc;
sl@0:   if( argc!=2 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pBt = sqlite3TestTextToPtr(argv[1]);
sl@0:   sqlite3BtreeEnter(pBt);
sl@0:   rc = sqlite3BtreeCommit(pBt);
sl@0:   sqlite3BtreeLeave(pBt);
sl@0:   if( rc!=SQLITE_OK ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_begin_statement ID
sl@0: **
sl@0: ** Start a new statement transaction
sl@0: */
sl@0: static int btree_begin_statement(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   Btree *pBt;
sl@0:   int rc;
sl@0:   if( argc!=2 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pBt = sqlite3TestTextToPtr(argv[1]);
sl@0:   sqlite3BtreeEnter(pBt);
sl@0:   rc = sqlite3BtreeBeginStmt(pBt);
sl@0:   sqlite3BtreeLeave(pBt);
sl@0:   if( rc!=SQLITE_OK ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_rollback_statement ID
sl@0: **
sl@0: ** Rollback changes
sl@0: */
sl@0: static int btree_rollback_statement(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   Btree *pBt;
sl@0:   int rc;
sl@0:   if( argc!=2 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pBt = sqlite3TestTextToPtr(argv[1]);
sl@0:   sqlite3BtreeEnter(pBt);
sl@0:   rc = sqlite3BtreeRollbackStmt(pBt);
sl@0:   sqlite3BtreeLeave(pBt);
sl@0:   if( rc!=SQLITE_OK ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_commit_statement ID
sl@0: **
sl@0: ** Commit all changes
sl@0: */
sl@0: static int btree_commit_statement(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   Btree *pBt;
sl@0:   int rc;
sl@0:   if( argc!=2 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pBt = sqlite3TestTextToPtr(argv[1]);
sl@0:   sqlite3BtreeEnter(pBt);
sl@0:   rc = sqlite3BtreeCommitStmt(pBt);
sl@0:   sqlite3BtreeLeave(pBt);
sl@0:   if( rc!=SQLITE_OK ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_create_table ID FLAGS
sl@0: **
sl@0: ** Create a new table in the database
sl@0: */
sl@0: static int btree_create_table(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   Btree *pBt;
sl@0:   int rc, iTable, flags;
sl@0:   char zBuf[30];
sl@0:   if( argc!=3 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID FLAGS\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pBt = sqlite3TestTextToPtr(argv[1]);
sl@0:   if( Tcl_GetInt(interp, argv[2], &flags) ) return TCL_ERROR;
sl@0:   sqlite3BtreeEnter(pBt);
sl@0:   rc = sqlite3BtreeCreateTable(pBt, &iTable, flags);
sl@0:   sqlite3BtreeLeave(pBt);
sl@0:   if( rc!=SQLITE_OK ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   sqlite3_snprintf(sizeof(zBuf), zBuf, "%d", iTable);
sl@0:   Tcl_AppendResult(interp, zBuf, 0);
sl@0:   return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_drop_table ID TABLENUM
sl@0: **
sl@0: ** Delete an entire table from the database
sl@0: */
sl@0: static int btree_drop_table(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   Btree *pBt;
sl@0:   int iTable;
sl@0:   int rc;
sl@0:   int notUsed1;
sl@0:   if( argc!=3 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID TABLENUM\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pBt = sqlite3TestTextToPtr(argv[1]);
sl@0:   if( Tcl_GetInt(interp, argv[2], &iTable) ) return TCL_ERROR;
sl@0:   sqlite3BtreeEnter(pBt);
sl@0:   rc = sqlite3BtreeDropTable(pBt, iTable, &notUsed1);
sl@0:   sqlite3BtreeLeave(pBt);
sl@0:   if( rc!=SQLITE_OK ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_clear_table ID TABLENUM
sl@0: **
sl@0: ** Remove all entries from the given table but keep the table around.
sl@0: */
sl@0: static int btree_clear_table(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   Btree *pBt;
sl@0:   int iTable;
sl@0:   int rc;
sl@0:   if( argc!=3 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID TABLENUM\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pBt = sqlite3TestTextToPtr(argv[1]);
sl@0:   if( Tcl_GetInt(interp, argv[2], &iTable) ) return TCL_ERROR;
sl@0:   sqlite3BtreeEnter(pBt);
sl@0:   rc = sqlite3BtreeClearTable(pBt, iTable);
sl@0:   sqlite3BtreeLeave(pBt);
sl@0:   if( rc!=SQLITE_OK ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_get_meta ID
sl@0: **
sl@0: ** Return meta data
sl@0: */
sl@0: static int btree_get_meta(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   Btree *pBt;
sl@0:   int rc;
sl@0:   int i;
sl@0:   if( argc!=2 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pBt = sqlite3TestTextToPtr(argv[1]);
sl@0:   for(i=0; i<SQLITE_N_BTREE_META; i++){
sl@0:     char zBuf[30];
sl@0:     u32 v;
sl@0:     sqlite3BtreeEnter(pBt);
sl@0:     rc = sqlite3BtreeGetMeta(pBt, i, &v);
sl@0:     sqlite3BtreeLeave(pBt);
sl@0:     if( rc!=SQLITE_OK ){
sl@0:       Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:       return TCL_ERROR;
sl@0:     }
sl@0:     sqlite3_snprintf(sizeof(zBuf), zBuf,"%d",v);
sl@0:     Tcl_AppendElement(interp, zBuf);
sl@0:   }
sl@0:   return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_update_meta ID METADATA...
sl@0: **
sl@0: ** Return meta data
sl@0: */
sl@0: static int btree_update_meta(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   Btree *pBt;
sl@0:   int rc;
sl@0:   int i;
sl@0:   int aMeta[SQLITE_N_BTREE_META];
sl@0: 
sl@0:   if( argc!=2+SQLITE_N_BTREE_META ){
sl@0:     char zBuf[30];
sl@0:     sqlite3_snprintf(sizeof(zBuf), zBuf,"%d",SQLITE_N_BTREE_META);
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID METADATA...\" (METADATA is ", zBuf, " integers)", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pBt = sqlite3TestTextToPtr(argv[1]);
sl@0:   for(i=1; i<SQLITE_N_BTREE_META; i++){
sl@0:     if( Tcl_GetInt(interp, argv[i+2], &aMeta[i]) ) return TCL_ERROR;
sl@0:   }
sl@0:   for(i=1; i<SQLITE_N_BTREE_META; i++){
sl@0:     sqlite3BtreeEnter(pBt);
sl@0:     rc = sqlite3BtreeUpdateMeta(pBt, i, aMeta[i]);
sl@0:     sqlite3BtreeLeave(pBt);
sl@0:     if( rc!=SQLITE_OK ){
sl@0:       Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:       return TCL_ERROR;
sl@0:     }
sl@0:   }
sl@0:   return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_pager_stats ID
sl@0: **
sl@0: ** Returns pager statistics
sl@0: */
sl@0: static int btree_pager_stats(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   Btree *pBt;
sl@0:   int i;
sl@0:   int *a;
sl@0: 
sl@0:   if( argc!=2 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pBt = sqlite3TestTextToPtr(argv[1]);
sl@0:  
sl@0:   /* Normally in this file, with a b-tree handle opened using the 
sl@0:   ** [btree_open] command it is safe to call sqlite3BtreeEnter() directly.
sl@0:   ** But this function is sometimes called with a btree handle obtained
sl@0:   ** from an open SQLite connection (using [btree_from_db]). In this case
sl@0:   ** we need to obtain the mutex for the controlling SQLite handle before
sl@0:   ** it is safe to call sqlite3BtreeEnter().
sl@0:   */
sl@0:   sqlite3_mutex_enter(pBt->db->mutex);
sl@0: 
sl@0:   sqlite3BtreeEnter(pBt);
sl@0:   a = sqlite3PagerStats(sqlite3BtreePager(pBt));
sl@0:   for(i=0; i<11; i++){
sl@0:     static char *zName[] = {
sl@0:       "ref", "page", "max", "size", "state", "err",
sl@0:       "hit", "miss", "ovfl", "read", "write"
sl@0:     };
sl@0:     char zBuf[100];
sl@0:     Tcl_AppendElement(interp, zName[i]);
sl@0:     sqlite3_snprintf(sizeof(zBuf), zBuf,"%d",a[i]);
sl@0:     Tcl_AppendElement(interp, zBuf);
sl@0:   }
sl@0:   sqlite3BtreeLeave(pBt);
sl@0: 
sl@0:   /* Release the mutex on the SQLite handle that controls this b-tree */
sl@0:   sqlite3_mutex_leave(pBt->db->mutex);
sl@0:   return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_integrity_check ID ROOT ...
sl@0: **
sl@0: ** Look through every page of the given BTree file to verify correct
sl@0: ** formatting and linkage.  Return a line of text for each problem found.
sl@0: ** Return an empty string if everything worked.
sl@0: */
sl@0: static int btree_integrity_check(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   Btree *pBt;
sl@0:   int nRoot;
sl@0:   int *aRoot;
sl@0:   int i;
sl@0:   int nErr;
sl@0:   char *zResult;
sl@0: 
sl@0:   if( argc<3 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID ROOT ...\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pBt = sqlite3TestTextToPtr(argv[1]);
sl@0:   nRoot = argc-2;
sl@0:   aRoot = (int*)sqlite3_malloc( sizeof(int)*(argc-2) );
sl@0:   for(i=0; i<argc-2; i++){
sl@0:     if( Tcl_GetInt(interp, argv[i+2], &aRoot[i]) ) return TCL_ERROR;
sl@0:   }
sl@0: #ifndef SQLITE_OMIT_INTEGRITY_CHECK
sl@0:   sqlite3BtreeEnter(pBt);
sl@0:   zResult = sqlite3BtreeIntegrityCheck(pBt, aRoot, nRoot, 10000, &nErr);
sl@0:   sqlite3BtreeLeave(pBt);
sl@0: #else
sl@0:   zResult = 0;
sl@0: #endif
sl@0:   sqlite3_free((void*)aRoot);
sl@0:   if( zResult ){
sl@0:     Tcl_AppendResult(interp, zResult, 0);
sl@0:     sqlite3_free(zResult); 
sl@0:   }
sl@0:   return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_cursor_list ID
sl@0: **
sl@0: ** Print information about all cursors to standard output for debugging.
sl@0: */
sl@0: static int btree_cursor_list(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   Btree *pBt;
sl@0: 
sl@0:   if( argc!=2 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pBt = sqlite3TestTextToPtr(argv[1]);
sl@0:   sqlite3BtreeEnter(pBt);
sl@0:   sqlite3BtreeCursorList(pBt);
sl@0:   sqlite3BtreeLeave(pBt);
sl@0:   return SQLITE_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_cursor ID TABLENUM WRITEABLE
sl@0: **
sl@0: ** Create a new cursor.  Return the ID for the cursor.
sl@0: */
sl@0: static int btree_cursor(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   Btree *pBt;
sl@0:   int iTable;
sl@0:   BtCursor *pCur;
sl@0:   int rc;
sl@0:   int wrFlag;
sl@0:   char zBuf[30];
sl@0: 
sl@0:   if( argc!=4 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID TABLENUM WRITEABLE\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pBt = sqlite3TestTextToPtr(argv[1]);
sl@0:   if( Tcl_GetInt(interp, argv[2], &iTable) ) return TCL_ERROR;
sl@0:   if( Tcl_GetBoolean(interp, argv[3], &wrFlag) ) return TCL_ERROR;
sl@0:   pCur = (BtCursor *)ckalloc(sqlite3BtreeCursorSize());
sl@0:   memset(pCur, 0, sqlite3BtreeCursorSize());
sl@0:   sqlite3BtreeEnter(pBt);
sl@0:   rc = sqlite3BtreeCursor(pBt, iTable, wrFlag, 0, pCur);
sl@0:   sqlite3BtreeLeave(pBt);
sl@0:   if( rc ){
sl@0:     ckfree((char *)pCur);
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   sqlite3_snprintf(sizeof(zBuf), zBuf,"%p", pCur);
sl@0:   Tcl_AppendResult(interp, zBuf, 0);
sl@0:   return SQLITE_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_close_cursor ID
sl@0: **
sl@0: ** Close a cursor opened using btree_cursor.
sl@0: */
sl@0: static int btree_close_cursor(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   BtCursor *pCur;
sl@0:   Btree *pBt;
sl@0:   int rc;
sl@0: 
sl@0:   if( argc!=2 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pCur = sqlite3TestTextToPtr(argv[1]);
sl@0:   pBt = pCur->pBtree;
sl@0:   sqlite3BtreeEnter(pBt);
sl@0:   rc = sqlite3BtreeCloseCursor(pCur);
sl@0:   sqlite3BtreeLeave(pBt);
sl@0:   ckfree((char *)pCur);
sl@0:   if( rc ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   return SQLITE_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_move_to ID KEY
sl@0: **
sl@0: ** Move the cursor to the entry with the given key.
sl@0: */
sl@0: static int btree_move_to(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   BtCursor *pCur;
sl@0:   int rc;
sl@0:   int res;
sl@0:   char zBuf[20];
sl@0: 
sl@0:   if( argc!=3 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID KEY\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pCur = sqlite3TestTextToPtr(argv[1]);
sl@0:   sqlite3BtreeEnter(pCur->pBtree);
sl@0:   if( sqlite3BtreeFlags(pCur) & BTREE_INTKEY ){
sl@0:     int iKey;
sl@0:     if( Tcl_GetInt(interp, argv[2], &iKey) ){
sl@0:       sqlite3BtreeLeave(pCur->pBtree);
sl@0:       return TCL_ERROR;
sl@0:     }
sl@0:     rc = sqlite3BtreeMovetoUnpacked(pCur, 0, iKey, 0, &res);
sl@0:   }else{
sl@0:     rc = sqlite3BtreeMoveto(pCur, argv[2], strlen(argv[2]), 0, &res);  
sl@0:   }
sl@0:   sqlite3BtreeLeave(pCur->pBtree);
sl@0:   if( rc ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   if( res<0 ) res = -1;
sl@0:   if( res>0 ) res = 1;
sl@0:   sqlite3_snprintf(sizeof(zBuf), zBuf,"%d",res);
sl@0:   Tcl_AppendResult(interp, zBuf, 0);
sl@0:   return SQLITE_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_delete ID
sl@0: **
sl@0: ** Delete the entry that the cursor is pointing to
sl@0: */
sl@0: static int btree_delete(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   BtCursor *pCur;
sl@0:   int rc;
sl@0: 
sl@0:   if( argc!=2 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pCur = sqlite3TestTextToPtr(argv[1]);
sl@0:   sqlite3BtreeEnter(pCur->pBtree);
sl@0:   rc = sqlite3BtreeDelete(pCur);
sl@0:   sqlite3BtreeLeave(pCur->pBtree);
sl@0:   if( rc ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   return SQLITE_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_insert ID KEY DATA ?NZERO?
sl@0: **
sl@0: ** Create a new entry with the given key and data.  If an entry already
sl@0: ** exists with the same key the old entry is overwritten.
sl@0: */
sl@0: static int btree_insert(
sl@0:   void * clientData,
sl@0:   Tcl_Interp *interp,
sl@0:   int objc,
sl@0:   Tcl_Obj *CONST objv[]
sl@0: ){
sl@0:   BtCursor *pCur;
sl@0:   int rc;
sl@0:   int nZero;
sl@0: 
sl@0:   if( objc!=4 && objc!=5 ){
sl@0:     Tcl_WrongNumArgs(interp, 1, objv, "ID KEY DATA ?NZERO?");
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pCur = sqlite3TestTextToPtr(Tcl_GetString(objv[1]));
sl@0:   if( objc==5 ){
sl@0:     if( Tcl_GetIntFromObj(interp, objv[4], &nZero) ) return TCL_ERROR;
sl@0:   }else{
sl@0:     nZero = 0;
sl@0:   }
sl@0:   sqlite3BtreeEnter(pCur->pBtree);
sl@0:   if( sqlite3BtreeFlags(pCur) & BTREE_INTKEY ){
sl@0:     i64 iKey;
sl@0:     int len;
sl@0:     unsigned char *pBuf;
sl@0:     if( Tcl_GetWideIntFromObj(interp, objv[2], &iKey) ){
sl@0:       sqlite3BtreeLeave(pCur->pBtree);
sl@0:       return TCL_ERROR;
sl@0:     }
sl@0:     pBuf = Tcl_GetByteArrayFromObj(objv[3], &len);
sl@0:     rc = sqlite3BtreeInsert(pCur, 0, iKey, pBuf, len, nZero, 0);
sl@0:   }else{
sl@0:     int keylen;
sl@0:     int dlen;
sl@0:     unsigned char *pKBuf;
sl@0:     unsigned char *pDBuf;
sl@0:     pKBuf = Tcl_GetByteArrayFromObj(objv[2], &keylen);
sl@0:     pDBuf = Tcl_GetByteArrayFromObj(objv[3], &dlen);
sl@0:     rc = sqlite3BtreeInsert(pCur, pKBuf, keylen, pDBuf, dlen, nZero, 0);
sl@0:   }
sl@0:   sqlite3BtreeLeave(pCur->pBtree);
sl@0:   if( rc ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   return SQLITE_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_next ID
sl@0: **
sl@0: ** Move the cursor to the next entry in the table.  Return 0 on success
sl@0: ** or 1 if the cursor was already on the last entry in the table or if
sl@0: ** the table is empty.
sl@0: */
sl@0: static int btree_next(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   BtCursor *pCur;
sl@0:   int rc;
sl@0:   int res = 0;
sl@0:   char zBuf[100];
sl@0: 
sl@0:   if( argc!=2 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pCur = sqlite3TestTextToPtr(argv[1]);
sl@0:   sqlite3BtreeEnter(pCur->pBtree);
sl@0:   rc = sqlite3BtreeNext(pCur, &res);
sl@0:   sqlite3BtreeLeave(pCur->pBtree);
sl@0:   if( rc ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   sqlite3_snprintf(sizeof(zBuf),zBuf,"%d",res);
sl@0:   Tcl_AppendResult(interp, zBuf, 0);
sl@0:   return SQLITE_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_prev ID
sl@0: **
sl@0: ** Move the cursor to the previous entry in the table.  Return 0 on
sl@0: ** success and 1 if the cursor was already on the first entry in
sl@0: ** the table or if the table was empty.
sl@0: */
sl@0: static int btree_prev(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   BtCursor *pCur;
sl@0:   int rc;
sl@0:   int res = 0;
sl@0:   char zBuf[100];
sl@0: 
sl@0:   if( argc!=2 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pCur = sqlite3TestTextToPtr(argv[1]);
sl@0:   sqlite3BtreeEnter(pCur->pBtree);
sl@0:   rc = sqlite3BtreePrevious(pCur, &res);
sl@0:   sqlite3BtreeLeave(pCur->pBtree);
sl@0:   if( rc ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   sqlite3_snprintf(sizeof(zBuf),zBuf,"%d",res);
sl@0:   Tcl_AppendResult(interp, zBuf, 0);
sl@0:   return SQLITE_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_first ID
sl@0: **
sl@0: ** Move the cursor to the first entry in the table.  Return 0 if the
sl@0: ** cursor was left point to something and 1 if the table is empty.
sl@0: */
sl@0: static int btree_first(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   BtCursor *pCur;
sl@0:   int rc;
sl@0:   int res = 0;
sl@0:   char zBuf[100];
sl@0: 
sl@0:   if( argc!=2 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pCur = sqlite3TestTextToPtr(argv[1]);
sl@0:   sqlite3BtreeEnter(pCur->pBtree);
sl@0:   rc = sqlite3BtreeFirst(pCur, &res);
sl@0:   sqlite3BtreeLeave(pCur->pBtree);
sl@0:   if( rc ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   sqlite3_snprintf(sizeof(zBuf),zBuf,"%d",res);
sl@0:   Tcl_AppendResult(interp, zBuf, 0);
sl@0:   return SQLITE_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_last ID
sl@0: **
sl@0: ** Move the cursor to the last entry in the table.  Return 0 if the
sl@0: ** cursor was left point to something and 1 if the table is empty.
sl@0: */
sl@0: static int btree_last(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   BtCursor *pCur;
sl@0:   int rc;
sl@0:   int res = 0;
sl@0:   char zBuf[100];
sl@0: 
sl@0:   if( argc!=2 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pCur = sqlite3TestTextToPtr(argv[1]);
sl@0:   sqlite3BtreeEnter(pCur->pBtree);
sl@0:   rc = sqlite3BtreeLast(pCur, &res);
sl@0:   sqlite3BtreeLeave(pCur->pBtree);
sl@0:   if( rc ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   sqlite3_snprintf(sizeof(zBuf),zBuf,"%d",res);
sl@0:   Tcl_AppendResult(interp, zBuf, 0);
sl@0:   return SQLITE_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_eof ID
sl@0: **
sl@0: ** Return TRUE if the given cursor is not pointing at a valid entry.
sl@0: ** Return FALSE if the cursor does point to a valid entry.
sl@0: */
sl@0: static int btree_eof(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   BtCursor *pCur;
sl@0:   int rc;
sl@0:   char zBuf[50];
sl@0: 
sl@0:   if( argc!=2 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pCur = sqlite3TestTextToPtr(argv[1]);
sl@0:   sqlite3BtreeEnter(pCur->pBtree);
sl@0:   rc = sqlite3BtreeEof(pCur);
sl@0:   sqlite3BtreeLeave(pCur->pBtree);
sl@0:   sqlite3_snprintf(sizeof(zBuf),zBuf, "%d", rc);
sl@0:   Tcl_AppendResult(interp, zBuf, 0);
sl@0:   return SQLITE_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_keysize ID
sl@0: **
sl@0: ** Return the number of bytes of key.  For an INTKEY table, this
sl@0: ** returns the key itself.
sl@0: */
sl@0: static int btree_keysize(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   BtCursor *pCur;
sl@0:   u64 n;
sl@0:   char zBuf[50];
sl@0: 
sl@0:   if( argc!=2 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pCur = sqlite3TestTextToPtr(argv[1]);
sl@0:   sqlite3BtreeEnter(pCur->pBtree);
sl@0:   sqlite3BtreeKeySize(pCur, (i64*)&n);
sl@0:   sqlite3BtreeLeave(pCur->pBtree);
sl@0:   sqlite3_snprintf(sizeof(zBuf),zBuf, "%llu", n);
sl@0:   Tcl_AppendResult(interp, zBuf, 0);
sl@0:   return SQLITE_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_key ID
sl@0: **
sl@0: ** Return the key for the entry at which the cursor is pointing.
sl@0: */
sl@0: static int btree_key(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   BtCursor *pCur;
sl@0:   int rc;
sl@0:   u64 n;
sl@0:   char *zBuf;
sl@0: 
sl@0:   if( argc!=2 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pCur = sqlite3TestTextToPtr(argv[1]);
sl@0:   sqlite3BtreeEnter(pCur->pBtree);
sl@0:   sqlite3BtreeKeySize(pCur, (i64*)&n);
sl@0:   if( sqlite3BtreeFlags(pCur) & BTREE_INTKEY ){
sl@0:     char zBuf2[60];
sl@0:     sqlite3_snprintf(sizeof(zBuf2),zBuf2, "%llu", n);
sl@0:     Tcl_AppendResult(interp, zBuf2, 0);
sl@0:   }else{
sl@0:     zBuf = sqlite3_malloc( n+1 );
sl@0:     rc = sqlite3BtreeKey(pCur, 0, n, zBuf);
sl@0:     if( rc ){
sl@0:       sqlite3BtreeLeave(pCur->pBtree);
sl@0:       Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:       return TCL_ERROR;
sl@0:     }
sl@0:     zBuf[n] = 0;
sl@0:     Tcl_AppendResult(interp, zBuf, 0);
sl@0:     sqlite3_free(zBuf);
sl@0:   }
sl@0:   sqlite3BtreeLeave(pCur->pBtree);
sl@0:   return SQLITE_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_data ID ?N?
sl@0: **
sl@0: ** Return the data for the entry at which the cursor is pointing.
sl@0: */
sl@0: static int btree_data(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   BtCursor *pCur;
sl@0:   int rc;
sl@0:   u32 n;
sl@0:   char *zBuf;
sl@0: 
sl@0:   if( argc!=2 && argc!=3 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pCur = sqlite3TestTextToPtr(argv[1]);
sl@0:   sqlite3BtreeEnter(pCur->pBtree);
sl@0:   if( argc==2 ){
sl@0:     sqlite3BtreeDataSize(pCur, &n);
sl@0:   }else{
sl@0:     n = atoi(argv[2]);
sl@0:   }
sl@0:   zBuf = sqlite3_malloc( n+1 );
sl@0:   rc = sqlite3BtreeData(pCur, 0, n, zBuf);
sl@0:   sqlite3BtreeLeave(pCur->pBtree);
sl@0:   if( rc ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     sqlite3_free(zBuf);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   zBuf[n] = 0;
sl@0:   Tcl_AppendResult(interp, zBuf, 0);
sl@0:   sqlite3_free(zBuf);
sl@0:   return SQLITE_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_fetch_key ID AMT
sl@0: **
sl@0: ** Use the sqlite3BtreeKeyFetch() routine to get AMT bytes of the key.
sl@0: ** If sqlite3BtreeKeyFetch() fails, return an empty string.
sl@0: */
sl@0: static int btree_fetch_key(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   BtCursor *pCur;
sl@0:   int n;
sl@0:   int amt;
sl@0:   u64 nKey;
sl@0:   const char *zBuf;
sl@0:   char zStatic[1000];
sl@0: 
sl@0:   if( argc!=3 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID AMT\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pCur = sqlite3TestTextToPtr(argv[1]);
sl@0:   if( Tcl_GetInt(interp, argv[2], &n) ) return TCL_ERROR;
sl@0:   sqlite3BtreeEnter(pCur->pBtree);
sl@0:   sqlite3BtreeKeySize(pCur, (i64*)&nKey);
sl@0:   zBuf = sqlite3BtreeKeyFetch(pCur, &amt);
sl@0:   if( zBuf && amt>=n ){
sl@0:     assert( nKey<sizeof(zStatic) );
sl@0:     if( n>0 ) nKey = n;
sl@0:     memcpy(zStatic, zBuf, (int)nKey); 
sl@0:     zStatic[nKey] = 0;
sl@0:     Tcl_AppendResult(interp, zStatic, 0);
sl@0:   }
sl@0:   sqlite3BtreeLeave(pCur->pBtree);
sl@0:   return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_fetch_data ID AMT
sl@0: **
sl@0: ** Use the sqlite3BtreeDataFetch() routine to get AMT bytes of the key.
sl@0: ** If sqlite3BtreeDataFetch() fails, return an empty string.
sl@0: */
sl@0: static int btree_fetch_data(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   BtCursor *pCur;
sl@0:   int n;
sl@0:   int amt;
sl@0:   u32 nData;
sl@0:   const char *zBuf;
sl@0:   char zStatic[1000];
sl@0: 
sl@0:   if( argc!=3 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID AMT\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pCur = sqlite3TestTextToPtr(argv[1]);
sl@0:   if( Tcl_GetInt(interp, argv[2], &n) ) return TCL_ERROR;
sl@0:   sqlite3BtreeEnter(pCur->pBtree);
sl@0:   sqlite3BtreeDataSize(pCur, &nData);
sl@0:   zBuf = sqlite3BtreeDataFetch(pCur, &amt);
sl@0:   if( zBuf && amt>=n ){
sl@0:     assert( nData<sizeof(zStatic) );
sl@0:     if( n>0 ) nData = n;
sl@0:     memcpy(zStatic, zBuf, (int)nData); 
sl@0:     zStatic[nData] = 0;
sl@0:     Tcl_AppendResult(interp, zStatic, 0);
sl@0:   }
sl@0:   sqlite3BtreeLeave(pCur->pBtree);
sl@0:   return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_payload_size ID
sl@0: **
sl@0: ** Return the number of bytes of payload
sl@0: */
sl@0: static int btree_payload_size(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   BtCursor *pCur;
sl@0:   int n2;
sl@0:   u64 n1;
sl@0:   char zBuf[50];
sl@0: 
sl@0:   if( argc!=2 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pCur = sqlite3TestTextToPtr(argv[1]);
sl@0:   sqlite3BtreeEnter(pCur->pBtree);
sl@0:   if( sqlite3BtreeFlags(pCur) & BTREE_INTKEY ){
sl@0:     n1 = 0;
sl@0:   }else{
sl@0:     sqlite3BtreeKeySize(pCur, (i64*)&n1);
sl@0:   }
sl@0:   sqlite3BtreeDataSize(pCur, (u32*)&n2);
sl@0:   sqlite3BtreeLeave(pCur->pBtree);
sl@0:   sqlite3_snprintf(sizeof(zBuf),zBuf, "%d", (int)(n1+n2));
sl@0:   Tcl_AppendResult(interp, zBuf, 0);
sl@0:   return SQLITE_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_cursor_info ID ?UP-CNT?
sl@0: **
sl@0: ** Return integers containing information about the entry the
sl@0: ** cursor is pointing to:
sl@0: **
sl@0: **   aResult[0] =  The page number
sl@0: **   aResult[1] =  The entry number
sl@0: **   aResult[2] =  Total number of entries on this page
sl@0: **   aResult[3] =  Cell size (local payload + header)
sl@0: **   aResult[4] =  Number of free bytes on this page
sl@0: **   aResult[5] =  Number of free blocks on the page
sl@0: **   aResult[6] =  Total payload size (local + overflow)
sl@0: **   aResult[7] =  Header size in bytes
sl@0: **   aResult[8] =  Local payload size
sl@0: **   aResult[9] =  Parent page number
sl@0: **   aResult[10]=  Page number of the first overflow page
sl@0: */
sl@0: static int btree_cursor_info(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   BtCursor *pCur;
sl@0:   int rc;
sl@0:   int i, j;
sl@0:   int up;
sl@0:   int aResult[11];
sl@0:   char zBuf[400];
sl@0: 
sl@0:   if( argc!=2 && argc!=3 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID ?UP-CNT?\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pCur = sqlite3TestTextToPtr(argv[1]);
sl@0:   if( argc==3 ){
sl@0:     if( Tcl_GetInt(interp, argv[2], &up) ) return TCL_ERROR;
sl@0:   }else{
sl@0:     up = 0;
sl@0:   }
sl@0:   sqlite3BtreeEnter(pCur->pBtree);
sl@0:   rc = sqlite3BtreeCursorInfo(pCur, aResult, up);
sl@0:   if( rc ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     sqlite3BtreeLeave(pCur->pBtree);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   j = 0;
sl@0:   for(i=0; i<sizeof(aResult)/sizeof(aResult[0]); i++){
sl@0:     sqlite3_snprintf(40,&zBuf[j]," %d", aResult[i]);
sl@0:     j += strlen(&zBuf[j]);
sl@0:   }
sl@0:   sqlite3BtreeLeave(pCur->pBtree);
sl@0:   Tcl_AppendResult(interp, &zBuf[1], 0);
sl@0:   return SQLITE_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Copied from btree.c:
sl@0: */
sl@0: static u32 t4Get4byte(unsigned char *p){
sl@0:   return (p[0]<<24) | (p[1]<<16) | (p[2]<<8) | p[3];
sl@0: }
sl@0: 
sl@0: /*
sl@0: **   btree_ovfl_info  BTREE  CURSOR
sl@0: **
sl@0: ** Given a cursor, return the sequence of pages number that form the
sl@0: ** overflow pages for the data of the entry that the cursor is point
sl@0: ** to.
sl@0: */ 
sl@0: static int btree_ovfl_info(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   Btree *pBt;
sl@0:   BtCursor *pCur;
sl@0:   Pager *pPager;
sl@0:   int rc;
sl@0:   int n;
sl@0:   int dataSize;
sl@0:   u32 pgno;
sl@0:   void *pPage;
sl@0:   int aResult[11];
sl@0:   char zElem[100];
sl@0:   Tcl_DString str;
sl@0: 
sl@0:   if( argc!=3 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], 
sl@0:                     " BTREE CURSOR", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pBt = sqlite3TestTextToPtr(argv[1]);
sl@0:   pCur = sqlite3TestTextToPtr(argv[2]);
sl@0:   if( (*(void**)pCur) != (void*)pBt ){
sl@0:     Tcl_AppendResult(interp, "Cursor ", argv[2], " does not belong to btree ",
sl@0:        argv[1], 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   sqlite3BtreeEnter(pBt);
sl@0:   pPager = sqlite3BtreePager(pBt);
sl@0:   rc = sqlite3BtreeCursorInfo(pCur, aResult, 0);
sl@0:   if( rc ){
sl@0:     Tcl_AppendResult(interp, errorName(rc), 0);
sl@0:     sqlite3BtreeLeave(pBt);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   dataSize = pBt->pBt->usableSize;
sl@0:   Tcl_DStringInit(&str);
sl@0:   n = aResult[6] - aResult[8];
sl@0:   n = (n + dataSize - 1)/dataSize;
sl@0:   pgno = (u32)aResult[10];
sl@0:   while( pgno && n-- ){
sl@0:     DbPage *pDbPage;
sl@0:     sprintf(zElem, "%d", pgno);
sl@0:     Tcl_DStringAppendElement(&str, zElem);
sl@0:     if( sqlite3PagerGet(pPager, pgno, &pDbPage)!=SQLITE_OK ){
sl@0:       Tcl_DStringFree(&str);
sl@0:       Tcl_AppendResult(interp, "unable to get page ", zElem, 0);
sl@0:       sqlite3BtreeLeave(pBt);
sl@0:       return TCL_ERROR;
sl@0:     }
sl@0:     pPage = sqlite3PagerGetData(pDbPage);
sl@0:     pgno = t4Get4byte((unsigned char*)pPage);
sl@0:     sqlite3PagerUnref(pDbPage);
sl@0:   }
sl@0:   sqlite3BtreeLeave(pBt);
sl@0:   Tcl_DStringResult(interp, &str);
sl@0:   return SQLITE_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** The command is provided for the purpose of setting breakpoints.
sl@0: ** in regression test scripts.
sl@0: **
sl@0: ** By setting a GDB breakpoint on this procedure and executing the
sl@0: ** btree_breakpoint command in a test script, we can stop GDB at
sl@0: ** the point in the script where the btree_breakpoint command is
sl@0: ** inserted.  This is useful for debugging.
sl@0: */
sl@0: static int btree_breakpoint(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** usage:   varint_test  START  MULTIPLIER  COUNT  INCREMENT
sl@0: **
sl@0: ** This command tests the putVarint() and getVarint()
sl@0: ** routines, both for accuracy and for speed.
sl@0: **
sl@0: ** An integer is written using putVarint() and read back with
sl@0: ** getVarint() and varified to be unchanged.  This repeats COUNT
sl@0: ** times.  The first integer is START*MULTIPLIER.  Each iteration
sl@0: ** increases the integer by INCREMENT.
sl@0: **
sl@0: ** This command returns nothing if it works.  It returns an error message
sl@0: ** if something goes wrong.
sl@0: */
sl@0: static int btree_varint_test(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   u32 start, mult, count, incr;
sl@0:   u64 in, out;
sl@0:   int n1, n2, i, j;
sl@0:   unsigned char zBuf[100];
sl@0:   if( argc!=5 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " START MULTIPLIER COUNT INCREMENT\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   if( Tcl_GetInt(interp, argv[1], (int*)&start) ) return TCL_ERROR;
sl@0:   if( Tcl_GetInt(interp, argv[2], (int*)&mult) ) return TCL_ERROR;
sl@0:   if( Tcl_GetInt(interp, argv[3], (int*)&count) ) return TCL_ERROR;
sl@0:   if( Tcl_GetInt(interp, argv[4], (int*)&incr) ) return TCL_ERROR;
sl@0:   in = start;
sl@0:   in *= mult;
sl@0:   for(i=0; i<count; i++){
sl@0:     char zErr[200];
sl@0:     n1 = putVarint(zBuf, in);
sl@0:     if( n1>9 || n1<1 ){
sl@0:       sprintf(zErr, "putVarint returned %d - should be between 1 and 9", n1);
sl@0:       Tcl_AppendResult(interp, zErr, 0);
sl@0:       return TCL_ERROR;
sl@0:     }
sl@0:     n2 = getVarint(zBuf, &out);
sl@0:     if( n1!=n2 ){
sl@0:       sprintf(zErr, "putVarint returned %d and getVarint returned %d", n1, n2);
sl@0:       Tcl_AppendResult(interp, zErr, 0);
sl@0:       return TCL_ERROR;
sl@0:     }
sl@0:     if( in!=out ){
sl@0:       sprintf(zErr, "Wrote 0x%016llx and got back 0x%016llx", in, out);
sl@0:       Tcl_AppendResult(interp, zErr, 0);
sl@0:       return TCL_ERROR;
sl@0:     }
sl@0:     if( (in & 0xffffffff)==in ){
sl@0:       u32 out32;
sl@0:       n2 = getVarint32(zBuf, out32);
sl@0:       out = out32;
sl@0:       if( n1!=n2 ){
sl@0:         sprintf(zErr, "putVarint returned %d and GetVarint32 returned %d", 
sl@0:                   n1, n2);
sl@0:         Tcl_AppendResult(interp, zErr, 0);
sl@0:         return TCL_ERROR;
sl@0:       }
sl@0:       if( in!=out ){
sl@0:         sprintf(zErr, "Wrote 0x%016llx and got back 0x%016llx from GetVarint32",
sl@0:             in, out);
sl@0:         Tcl_AppendResult(interp, zErr, 0);
sl@0:         return TCL_ERROR;
sl@0:       }
sl@0:     }
sl@0: 
sl@0:     /* In order to get realistic timings, run getVarint 19 more times.
sl@0:     ** This is because getVarint is called about 20 times more often
sl@0:     ** than putVarint.
sl@0:     */
sl@0:     for(j=0; j<19; j++){
sl@0:       getVarint(zBuf, &out);
sl@0:     }
sl@0:     in += incr;
sl@0:   }
sl@0:   return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** usage:   btree_from_db  DB-HANDLE
sl@0: **
sl@0: ** This command returns the btree handle for the main database associated
sl@0: ** with the database-handle passed as the argument. Example usage:
sl@0: **
sl@0: ** sqlite3 db test.db
sl@0: ** set bt [btree_from_db db]
sl@0: */
sl@0: static int btree_from_db(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   char zBuf[100];
sl@0:   Tcl_CmdInfo info;
sl@0:   sqlite3 *db;
sl@0:   Btree *pBt;
sl@0:   int iDb = 0;
sl@0: 
sl@0:   if( argc!=2 && argc!=3 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " DB-HANDLE ?N?\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0: 
sl@0:   if( 1!=Tcl_GetCommandInfo(interp, argv[1], &info) ){
sl@0:     Tcl_AppendResult(interp, "No such db-handle: \"", argv[1], "\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   if( argc==3 ){
sl@0:     iDb = atoi(argv[2]);
sl@0:   }
sl@0: 
sl@0:   db = *((sqlite3 **)info.objClientData);
sl@0:   assert( db );
sl@0: 
sl@0:   pBt = db->aDb[iDb].pBt;
sl@0:   sqlite3_snprintf(sizeof(zBuf), zBuf, "%p", pBt);
sl@0:   Tcl_SetResult(interp, zBuf, TCL_VOLATILE);
sl@0:   return TCL_OK;
sl@0: }
sl@0: 
sl@0: 
sl@0: /*
sl@0: ** usage:   btree_set_cache_size ID NCACHE
sl@0: **
sl@0: ** Set the size of the cache used by btree $ID.
sl@0: */
sl@0: static int btree_set_cache_size(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   int nCache;
sl@0:   Btree *pBt;
sl@0: 
sl@0:   if( argc!=3 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " BT NCACHE\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pBt = sqlite3TestTextToPtr(argv[1]);
sl@0:   if( Tcl_GetInt(interp, argv[2], &nCache) ) return TCL_ERROR;
sl@0: 
sl@0:   sqlite3_mutex_enter(pBt->db->mutex);
sl@0:   sqlite3BtreeEnter(pBt);
sl@0:   sqlite3BtreeSetCacheSize(pBt, nCache);
sl@0:   sqlite3BtreeLeave(pBt);
sl@0:   sqlite3_mutex_leave(pBt->db->mutex);
sl@0: 
sl@0:   return TCL_OK;
sl@0: }
sl@0: 
sl@0: /*
sl@0: ** Usage:   btree_ismemdb ID
sl@0: **
sl@0: ** Return true if the B-Tree is in-memory.
sl@0: */
sl@0: static int btree_ismemdb(
sl@0:   void *NotUsed,
sl@0:   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
sl@0:   int argc,              /* Number of arguments */
sl@0:   const char **argv      /* Text of each argument */
sl@0: ){
sl@0:   Btree *pBt;
sl@0:   int res;
sl@0: 
sl@0:   if( argc!=2 ){
sl@0:     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
sl@0:        " ID\"", 0);
sl@0:     return TCL_ERROR;
sl@0:   }
sl@0:   pBt = sqlite3TestTextToPtr(argv[1]);
sl@0:   sqlite3_mutex_enter(pBt->db->mutex);
sl@0:   sqlite3BtreeEnter(pBt);
sl@0:   res = sqlite3PagerIsMemdb(sqlite3BtreePager(pBt));
sl@0:   sqlite3BtreeLeave(pBt);
sl@0:   sqlite3_mutex_leave(pBt->db->mutex);
sl@0:   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(res));
sl@0:   return SQLITE_OK;
sl@0: }
sl@0: 
sl@0: 
sl@0: /*
sl@0: ** Register commands with the TCL interpreter.
sl@0: */
sl@0: int Sqlitetest3_Init(Tcl_Interp *interp){
sl@0:   static struct {
sl@0:      char *zName;
sl@0:      Tcl_CmdProc *xProc;
sl@0:   } aCmd[] = {
sl@0:      { "btree_open",               (Tcl_CmdProc*)btree_open               },
sl@0:      { "btree_close",              (Tcl_CmdProc*)btree_close              },
sl@0:      { "btree_begin_transaction",  (Tcl_CmdProc*)btree_begin_transaction  },
sl@0:      { "btree_commit",             (Tcl_CmdProc*)btree_commit             },
sl@0:      { "btree_rollback",           (Tcl_CmdProc*)btree_rollback           },
sl@0:      { "btree_create_table",       (Tcl_CmdProc*)btree_create_table       },
sl@0:      { "btree_drop_table",         (Tcl_CmdProc*)btree_drop_table         },
sl@0:      { "btree_clear_table",        (Tcl_CmdProc*)btree_clear_table        },
sl@0:      { "btree_get_meta",           (Tcl_CmdProc*)btree_get_meta           },
sl@0:      { "btree_update_meta",        (Tcl_CmdProc*)btree_update_meta        },
sl@0:      { "btree_pager_stats",        (Tcl_CmdProc*)btree_pager_stats        },
sl@0:      { "btree_cursor",             (Tcl_CmdProc*)btree_cursor             },
sl@0:      { "btree_close_cursor",       (Tcl_CmdProc*)btree_close_cursor       },
sl@0:      { "btree_move_to",            (Tcl_CmdProc*)btree_move_to            },
sl@0:      { "btree_delete",             (Tcl_CmdProc*)btree_delete             },
sl@0:      { "btree_next",               (Tcl_CmdProc*)btree_next               },
sl@0:      { "btree_prev",               (Tcl_CmdProc*)btree_prev               },
sl@0:      { "btree_eof",                (Tcl_CmdProc*)btree_eof                },
sl@0:      { "btree_keysize",            (Tcl_CmdProc*)btree_keysize            },
sl@0:      { "btree_key",                (Tcl_CmdProc*)btree_key                },
sl@0:      { "btree_data",               (Tcl_CmdProc*)btree_data               },
sl@0:      { "btree_fetch_key",          (Tcl_CmdProc*)btree_fetch_key          },
sl@0:      { "btree_fetch_data",         (Tcl_CmdProc*)btree_fetch_data         },
sl@0:      { "btree_payload_size",       (Tcl_CmdProc*)btree_payload_size       },
sl@0:      { "btree_first",              (Tcl_CmdProc*)btree_first              },
sl@0:      { "btree_last",               (Tcl_CmdProc*)btree_last               },
sl@0:      { "btree_integrity_check",    (Tcl_CmdProc*)btree_integrity_check    },
sl@0:      { "btree_breakpoint",         (Tcl_CmdProc*)btree_breakpoint         },
sl@0:      { "btree_varint_test",        (Tcl_CmdProc*)btree_varint_test        },
sl@0:      { "btree_begin_statement",    (Tcl_CmdProc*)btree_begin_statement    },
sl@0:      { "btree_commit_statement",   (Tcl_CmdProc*)btree_commit_statement   },
sl@0:      { "btree_rollback_statement", (Tcl_CmdProc*)btree_rollback_statement },
sl@0:      { "btree_from_db",            (Tcl_CmdProc*)btree_from_db            },
sl@0:      { "btree_set_cache_size",     (Tcl_CmdProc*)btree_set_cache_size     },
sl@0:      { "btree_cursor_info",        (Tcl_CmdProc*)btree_cursor_info        },
sl@0:      { "btree_ovfl_info",          (Tcl_CmdProc*)btree_ovfl_info          },
sl@0:      { "btree_cursor_list",        (Tcl_CmdProc*)btree_cursor_list        },
sl@0:      { "btree_ismemdb",            (Tcl_CmdProc*)btree_ismemdb            },
sl@0:   };
sl@0:   int i;
sl@0: 
sl@0:   for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
sl@0:     Tcl_CreateCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0);
sl@0:   }
sl@0: 
sl@0:   /* The btree_insert command is implemented using the tcl 'object'
sl@0:   ** interface, not the string interface like the other commands in this
sl@0:   ** file. This is so binary data can be inserted into btree tables.
sl@0:   */
sl@0:   Tcl_CreateObjCommand(interp, "btree_insert", btree_insert, 0, 0);
sl@0:   return TCL_OK;
sl@0: }