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** 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 1.108 2009/07/06 18:56:13 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include "btreeInt.h"
#include "tcl.h"
#include <stdlib.h>
#include <string.h>
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** May you share freely, never taking more than you give.
**
*************************************************************************
** Code for testing the 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 1.109 2009/07/09 02:48:24 shane Exp $
*/
#include "sqliteInt.h"
#include "btreeInt.h"
#include "tcl.h"
#include <stdlib.h>
#include <string.h>
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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;
}
pBt = sqlite3TestTextToPtr(argv[1]);
sqlite3BtreeEnter(pBt);
rc = sqlite3BtreeRollback(pBt);
sqlite3BtreeLeave(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;
}
pBt = sqlite3TestTextToPtr(argv[1]);
sqlite3BtreeEnter(pBt);
rc = sqlite3BtreeCommit(pBt);
sqlite3BtreeLeave(pBt);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
return TCL_OK;
}
/*
** Usage: btree_begin_statement ID
**
** Start a new statement transaction
*/
static int btree_begin_statement(
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;
}
pBt = sqlite3TestTextToPtr(argv[1]);
sqlite3BtreeEnter(pBt);
rc = sqlite3BtreeBeginStmt(pBt, 1);
sqlite3BtreeLeave(pBt);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
return TCL_OK;
}
/*
** Usage: btree_rollback_statement ID
**
** Rollback changes
*/
static int btree_rollback_statement(
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;
}
pBt = sqlite3TestTextToPtr(argv[1]);
sqlite3BtreeEnter(pBt);
rc = sqlite3BtreeSavepoint(pBt, SAVEPOINT_ROLLBACK, 0);
if( rc==SQLITE_OK ){
rc = sqlite3BtreeSavepoint(pBt, SAVEPOINT_RELEASE, 0);
}
sqlite3BtreeLeave(pBt);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
return TCL_OK;
}
/*
** Usage: btree_commit_statement ID
**
** Commit all changes
*/
static int btree_commit_statement(
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;
}
pBt = sqlite3TestTextToPtr(argv[1]);
sqlite3BtreeEnter(pBt);
rc = sqlite3BtreeSavepoint(pBt, SAVEPOINT_RELEASE, 0);
sqlite3BtreeLeave(pBt);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
return TCL_OK;
}
/*
** Usage: btree_create_table ID FLAGS
**
** 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, flags;
char zBuf[30];
if( argc!=3 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID FLAGS\"", 0);
return TCL_ERROR;
}
pBt = sqlite3TestTextToPtr(argv[1]);
if( Tcl_GetInt(interp, argv[2], &flags) ) return TCL_ERROR;
sqlite3BtreeEnter(pBt);
rc = sqlite3BtreeCreateTable(pBt, &iTable, flags);
sqlite3BtreeLeave(pBt);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
sqlite3_snprintf(sizeof(zBuf), 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;
int notUsed1;
if( argc!=3 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID TABLENUM\"", 0);
return TCL_ERROR;
}
pBt = sqlite3TestTextToPtr(argv[1]);
if( Tcl_GetInt(interp, argv[2], &iTable) ) return TCL_ERROR;
sqlite3BtreeEnter(pBt);
rc = sqlite3BtreeDropTable(pBt, iTable, ¬Used1);
sqlite3BtreeLeave(pBt);
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;
}
pBt = sqlite3TestTextToPtr(argv[1]);
if( Tcl_GetInt(interp, argv[2], &iTable) ) return TCL_ERROR;
sqlite3BtreeEnter(pBt);
rc = sqlite3BtreeClearTable(pBt, iTable, 0);
sqlite3BtreeLeave(pBt);
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 i;
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
pBt = sqlite3TestTextToPtr(argv[1]);
for(i=0; i<SQLITE_N_BTREE_META; i++){
char zBuf[30];
u32 v;
sqlite3BtreeEnter(pBt);
sqlite3BtreeGetMeta(pBt, i, &v);
sqlite3BtreeLeave(pBt);
sqlite3_snprintf(sizeof(zBuf), zBuf,"%d",v);
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];
sqlite3_snprintf(sizeof(zBuf), 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;
}
pBt = sqlite3TestTextToPtr(argv[1]);
for(i=1; i<SQLITE_N_BTREE_META; i++){
if( Tcl_GetInt(interp, argv[i+2], &aMeta[i]) ) return TCL_ERROR;
}
for(i=1; i<SQLITE_N_BTREE_META; i++){
sqlite3BtreeEnter(pBt);
rc = sqlite3BtreeUpdateMeta(pBt, i, aMeta[i]);
sqlite3BtreeLeave(pBt);
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,
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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,
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sqlite3BtreeLeave(pBt);
/* Release the mutex on the SQLite handle that controls this b-tree */
sqlite3_mutex_leave(pBt->db->mutex);
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;
int nRoot;
int *aRoot;
int i;
int nErr;
char *zResult;
if( argc<3 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID ROOT ...\"", 0);
return TCL_ERROR;
}
pBt = sqlite3TestTextToPtr(argv[1]);
nRoot = argc-2;
aRoot = (int*)sqlite3_malloc( sizeof(int)*(argc-2) );
for(i=0; i<argc-2; i++){
if( Tcl_GetInt(interp, argv[i+2], &aRoot[i]) ) return TCL_ERROR;
}
#ifndef SQLITE_OMIT_INTEGRITY_CHECK
sqlite3BtreeEnter(pBt);
zResult = sqlite3BtreeIntegrityCheck(pBt, aRoot, nRoot, 10000, &nErr);
sqlite3BtreeLeave(pBt);
#else
zResult = 0;
#endif
sqlite3_free((void*)aRoot);
if( zResult ){
Tcl_AppendResult(interp, zResult, 0);
sqlite3_free(zResult);
}
return TCL_OK;
}
/*
** Usage: btree_cursor_list ID
**
** Print information about all cursors to standard output for debugging.
*/
static int btree_cursor_list(
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;
}
pBt = sqlite3TestTextToPtr(argv[1]);
sqlite3BtreeEnter(pBt);
sqlite3BtreeCursorList(pBt);
sqlite3BtreeLeave(pBt);
return SQLITE_OK;
}
/*
** Usage: btree_cursor ID TABLENUM WRITEABLE
**
** Create a new cursor. Return the ID for the cursor.
*/
static int btree_cursor(
void *NotUsed,
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sqlite3BtreeLeave(pBt);
/* Release the mutex on the SQLite handle that controls this b-tree */
sqlite3_mutex_leave(pBt->db->mutex);
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,
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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;
}
pCur = sqlite3TestTextToPtr(argv[1]);
sqlite3BtreeEnter(pCur->pBtree);
if( sqlite3BtreeFlags(pCur) & BTREE_INTKEY ){
int iKey;
if( Tcl_GetInt(interp, argv[2], &iKey) ){
sqlite3BtreeLeave(pCur->pBtree);
return TCL_ERROR;
}
rc = sqlite3BtreeMovetoUnpacked(pCur, 0, iKey, 0, &res);
}else{
#if 0
rc = sqlite3BtreeMoveto(pCur, argv[2], strlen(argv[2]), 0, &res);
#endif
}
sqlite3BtreeLeave(pCur->pBtree);
if( rc ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
if( res<0 ) res = -1;
if( res>0 ) res = 1;
sqlite3_snprintf(sizeof(zBuf), 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;
}
pCur = sqlite3TestTextToPtr(argv[1]);
sqlite3BtreeEnter(pCur->pBtree);
rc = sqlite3BtreeDelete(pCur);
sqlite3BtreeLeave(pCur->pBtree);
if( rc ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
return SQLITE_OK;
}
/*
** Usage: btree_insert ID KEY DATA ?NZERO?
**
** 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 * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
BtCursor *pCur;
int rc;
int nZero;
if( objc!=4 && objc!=5 ){
Tcl_WrongNumArgs(interp, 1, objv, "ID KEY DATA ?NZERO?");
return TCL_ERROR;
}
pCur = sqlite3TestTextToPtr(Tcl_GetString(objv[1]));
if( objc==5 ){
if( Tcl_GetIntFromObj(interp, objv[4], &nZero) ) return TCL_ERROR;
}else{
nZero = 0;
}
sqlite3BtreeEnter(pCur->pBtree);
if( sqlite3BtreeFlags(pCur) & BTREE_INTKEY ){
i64 iKey;
int len;
unsigned char *pBuf;
if( Tcl_GetWideIntFromObj(interp, objv[2], &iKey) ){
sqlite3BtreeLeave(pCur->pBtree);
return TCL_ERROR;
}
pBuf = Tcl_GetByteArrayFromObj(objv[3], &len);
rc = sqlite3BtreeInsert(pCur, 0, iKey, pBuf, len, nZero, 0, 0);
}else{
int keylen;
int dlen;
unsigned char *pKBuf;
unsigned char *pDBuf;
pKBuf = Tcl_GetByteArrayFromObj(objv[2], &keylen);
pDBuf = Tcl_GetByteArrayFromObj(objv[3], &dlen);
rc = sqlite3BtreeInsert(pCur, pKBuf, keylen, pDBuf, dlen, nZero, 0, 0);
}
sqlite3BtreeLeave(pCur->pBtree);
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.
*/
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<
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<
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<
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<
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<
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<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
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280
281
282
283
284
285
286
287
288
289
290
291
292
293
|
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.
*/
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︙ | | | ︙ | |
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
|
return TCL_ERROR;
}
pCur = sqlite3TestTextToPtr(argv[1]);
sqlite3BtreeEnter(pCur->pBtree);
rc = sqlite3BtreeNext(pCur, &res);
sqlite3BtreeLeave(pCur->pBtree);
if( rc ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
sqlite3_snprintf(sizeof(zBuf),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;
}
pCur = sqlite3TestTextToPtr(argv[1]);
sqlite3BtreeEnter(pCur->pBtree);
rc = sqlite3BtreePrevious(pCur, &res);
sqlite3BtreeLeave(pCur->pBtree);
if( rc ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
sqlite3_snprintf(sizeof(zBuf),zBuf,"%d",res);
Tcl_AppendResult(interp, zBuf, 0);
return SQLITE_OK;
}
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308
309
310
311
312
313
314
315
316
317
318
319
320
321
|
return TCL_ERROR;
}
pCur = sqlite3TestTextToPtr(argv[1]);
sqlite3BtreeEnter(pCur->pBtree);
rc = sqlite3BtreeNext(pCur, &res);
sqlite3BtreeLeave(pCur->pBtree);
if( rc ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
sqlite3_snprintf(sizeof(zBuf),zBuf,"%d",res);
Tcl_AppendResult(interp, zBuf, 0);
return SQLITE_OK;
}
|
︙ | | | ︙ | |
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
|
return TCL_ERROR;
}
sqlite3_snprintf(sizeof(zBuf),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;
}
pCur = sqlite3TestTextToPtr(argv[1]);
sqlite3BtreeEnter(pCur->pBtree);
rc = sqlite3BtreeLast(pCur, &res);
sqlite3BtreeLeave(pCur->pBtree);
if( rc ){
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
sqlite3_snprintf(sizeof(zBuf),zBuf,"%d",res);
Tcl_AppendResult(interp, zBuf, 0);
return SQLITE_OK;
}
/*
** Usage: btree_eof ID
**
** Return TRUE if the given cursor is not pointing at a valid entry.
** Return FALSE if the cursor does point to a valid entry.
*/
static int btree_eof(
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<
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351
352
353
354
355
356
357
358
359
360
361
362
363
364
|
return TCL_ERROR;
}
sqlite3_snprintf(sizeof(zBuf),zBuf,"%d",res);
Tcl_AppendResult(interp, zBuf, 0);
return SQLITE_OK;
}
/*
** Usage: btree_eof ID
**
** Return TRUE if the given cursor is not pointing at a valid entry.
** Return FALSE if the cursor does point to a valid entry.
*/
static int btree_eof(
|
︙ | | | ︙ | |
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
|
rc = sqlite3BtreeEof(pCur);
sqlite3BtreeLeave(pCur->pBtree);
sqlite3_snprintf(sizeof(zBuf),zBuf, "%d", rc);
Tcl_AppendResult(interp, zBuf, 0);
return SQLITE_OK;
}
/*
** Usage: btree_keysize ID
**
** Return the number of bytes of key. For an INTKEY table, this
** returns the key itself.
*/
static int btree_keysize(
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;
u64 n;
char zBuf[50];
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
pCur = sqlite3TestTextToPtr(argv[1]);
sqlite3BtreeEnter(pCur->pBtree);
sqlite3BtreeKeySize(pCur, (i64*)&n);
sqlite3BtreeLeave(pCur->pBtree);
sqlite3_snprintf(sizeof(zBuf),zBuf, "%llu", n);
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;
u64 n;
char *zBuf;
if( argc!=2 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
pCur = sqlite3TestTextToPtr(argv[1]);
sqlite3BtreeEnter(pCur->pBtree);
sqlite3BtreeKeySize(pCur, (i64*)&n);
if( sqlite3BtreeFlags(pCur) & BTREE_INTKEY ){
char zBuf2[60];
sqlite3_snprintf(sizeof(zBuf2),zBuf2, "%llu", n);
Tcl_AppendResult(interp, zBuf2, 0);
}else{
zBuf = sqlite3_malloc( n+1 );
rc = sqlite3BtreeKey(pCur, 0, n, zBuf);
if( rc ){
sqlite3BtreeLeave(pCur->pBtree);
Tcl_AppendResult(interp, errorName(rc), 0);
return TCL_ERROR;
}
zBuf[n] = 0;
Tcl_AppendResult(interp, zBuf, 0);
sqlite3_free(zBuf);
}
sqlite3BtreeLeave(pCur->pBtree);
return SQLITE_OK;
}
/*
** Usage: btree_data ID ?N?
**
** 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;
u32 n;
char *zBuf;
if( argc!=2 && argc!=3 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID\"", 0);
return TCL_ERROR;
}
pCur = sqlite3TestTextToPtr(argv[1]);
sqlite3BtreeEnter(pCur->pBtree);
if( argc==2 ){
sqlite3BtreeDataSize(pCur, &n);
}else{
n = atoi(argv[2]);
}
zBuf = sqlite3_malloc( n+1 );
rc = sqlite3BtreeData(pCur, 0, n, zBuf);
sqlite3BtreeLeave(pCur->pBtree);
if( rc ){
Tcl_AppendResult(interp, errorName(rc), 0);
sqlite3_free(zBuf);
return TCL_ERROR;
}
zBuf[n] = 0;
Tcl_AppendResult(interp, zBuf, 0);
sqlite3_free(zBuf);
return SQLITE_OK;
}
/*
** Usage: btree_fetch_key ID AMT
**
** Use the sqlite3BtreeKeyFetch() routine to get AMT bytes of the key.
** If sqlite3BtreeKeyFetch() fails, return an empty string.
*/
static int btree_fetch_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 n;
int amt;
u64 nKey;
const char *zBuf;
char zStatic[1000];
if( argc!=3 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID AMT\"", 0);
return TCL_ERROR;
}
pCur = sqlite3TestTextToPtr(argv[1]);
if( Tcl_GetInt(interp, argv[2], &n) ) return TCL_ERROR;
sqlite3BtreeEnter(pCur->pBtree);
sqlite3BtreeKeySize(pCur, (i64*)&nKey);
zBuf = sqlite3BtreeKeyFetch(pCur, &amt);
if( zBuf && amt>=n ){
assert( nKey<sizeof(zStatic) );
if( n>0 ) nKey = n;
memcpy(zStatic, zBuf, (int)nKey);
zStatic[nKey] = 0;
Tcl_AppendResult(interp, zStatic, 0);
}
sqlite3BtreeLeave(pCur->pBtree);
return TCL_OK;
}
/*
** Usage: btree_fetch_data ID AMT
**
** Use the sqlite3BtreeDataFetch() routine to get AMT bytes of the key.
** If sqlite3BtreeDataFetch() fails, return an empty string.
*/
static int btree_fetch_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 n;
int amt;
u32 nData;
const char *zBuf;
char zStatic[1000];
if( argc!=3 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID AMT\"", 0);
return TCL_ERROR;
}
pCur = sqlite3TestTextToPtr(argv[1]);
if( Tcl_GetInt(interp, argv[2], &n) ) return TCL_ERROR;
sqlite3BtreeEnter(pCur->pBtree);
sqlite3BtreeDataSize(pCur, &nData);
zBuf = sqlite3BtreeDataFetch(pCur, &amt);
if( zBuf && amt>=n ){
assert( nData<sizeof(zStatic) );
if( n>0 ) nData = n;
memcpy(zStatic, zBuf, (int)nData);
zStatic[nData] = 0;
Tcl_AppendResult(interp, zStatic, 0);
}
sqlite3BtreeLeave(pCur->pBtree);
return TCL_OK;
}
/*
** Usage: btree_payload_size ID
**
** Return the number of bytes of payload
*/
static int btree_payload_size(
void *NotUsed,
|
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<
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<
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<
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<
<
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<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
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<
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|
381
382
383
384
385
386
387
388
389
390
391
392
393
394
|
rc = sqlite3BtreeEof(pCur);
sqlite3BtreeLeave(pCur->pBtree);
sqlite3_snprintf(sizeof(zBuf),zBuf, "%d", rc);
Tcl_AppendResult(interp, zBuf, 0);
return SQLITE_OK;
}
/*
** Usage: btree_payload_size ID
**
** Return the number of bytes of payload
*/
static int btree_payload_size(
void *NotUsed,
|
︙ | | | ︙ | |
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
|
sqlite3BtreeDataSize(pCur, (u32*)&n2);
sqlite3BtreeLeave(pCur->pBtree);
sqlite3_snprintf(sizeof(zBuf),zBuf, "%d", (int)(n1+n2));
Tcl_AppendResult(interp, zBuf, 0);
return SQLITE_OK;
}
/*
** Usage: btree_cursor_info ID ?UP-CNT?
**
** Return 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] = Cell size (local payload + header)
** aResult[4] = Number of free bytes on this page
** aResult[5] = Number of free blocks on the page
** aResult[6] = Total payload size (local + overflow)
** aResult[7] = Header size in bytes
** aResult[8] = Local payload size
** aResult[9] = Parent page number
** aResult[10]= Page number of the first overflow page
*/
static int btree_cursor_info(
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 up;
int aResult[11];
char zBuf[400];
if( argc!=2 && argc!=3 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" ID ?UP-CNT?\"", 0);
return TCL_ERROR;
}
pCur = sqlite3TestTextToPtr(argv[1]);
if( argc==3 ){
if( Tcl_GetInt(interp, argv[2], &up) ) return TCL_ERROR;
}else{
up = 0;
}
sqlite3BtreeEnter(pCur->pBtree);
rc = sqlite3BtreeCursorInfo(pCur, aResult, up);
if( rc ){
Tcl_AppendResult(interp, errorName(rc), 0);
sqlite3BtreeLeave(pCur->pBtree);
return TCL_ERROR;
}
j = 0;
for(i=0; i<sizeof(aResult)/sizeof(aResult[0]); i++){
sqlite3_snprintf(40,&zBuf[j]," %d", aResult[i]);
j += strlen(&zBuf[j]);
}
sqlite3BtreeLeave(pCur->pBtree);
Tcl_AppendResult(interp, &zBuf[1], 0);
return SQLITE_OK;
}
/*
** Copied from btree.c:
*/
static u32 t4Get4byte(unsigned char *p){
return (p[0]<<24) | (p[1]<<16) | (p[2]<<8) | p[3];
}
/*
** btree_ovfl_info BTREE CURSOR
**
** Given a cursor, return the sequence of pages number that form the
** overflow pages for the data of the entry that the cursor is point
** to.
*/
static int btree_ovfl_info(
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;
BtCursor *pCur;
Pager *pPager;
int rc;
int n;
int dataSize;
u32 pgno;
void *pPage;
int aResult[11];
char zElem[100];
Tcl_DString str;
if( argc!=3 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" BTREE CURSOR", 0);
return TCL_ERROR;
}
pBt = sqlite3TestTextToPtr(argv[1]);
pCur = sqlite3TestTextToPtr(argv[2]);
if( (*(void**)pCur) != (void*)pBt ){
Tcl_AppendResult(interp, "Cursor ", argv[2], " does not belong to btree ",
argv[1], 0);
return TCL_ERROR;
}
sqlite3BtreeEnter(pBt);
pPager = sqlite3BtreePager(pBt);
rc = sqlite3BtreeCursorInfo(pCur, aResult, 0);
if( rc ){
Tcl_AppendResult(interp, errorName(rc), 0);
sqlite3BtreeLeave(pBt);
return TCL_ERROR;
}
dataSize = pBt->pBt->usableSize;
Tcl_DStringInit(&str);
n = aResult[6] - aResult[8];
n = (n + dataSize - 1)/dataSize;
pgno = (u32)aResult[10];
while( pgno && n-- ){
DbPage *pDbPage;
sprintf(zElem, "%d", pgno);
Tcl_DStringAppendElement(&str, zElem);
if( sqlite3PagerGet(pPager, pgno, &pDbPage)!=SQLITE_OK ){
Tcl_DStringFree(&str);
Tcl_AppendResult(interp, "unable to get page ", zElem, 0);
sqlite3BtreeLeave(pBt);
return TCL_ERROR;
}
pPage = sqlite3PagerGetData(pDbPage);
pgno = t4Get4byte((unsigned char*)pPage);
sqlite3PagerUnref(pDbPage);
}
sqlite3BtreeLeave(pBt);
Tcl_DStringResult(interp, &str);
return SQLITE_OK;
}
/*
** The command is provided for the purpose of setting breakpoints.
** in regression test scripts.
**
** By setting a GDB breakpoint on this procedure and executing the
** btree_breakpoint command in a test script, we can stop GDB at
** the point in the script where the btree_breakpoint command is
** inserted. This is useful for debugging.
*/
static int btree_breakpoint(
void *NotUsed,
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
int argc, /* Number of arguments */
const char **argv /* Text of each argument */
){
return TCL_OK;
}
/*
** usage: varint_test START MULTIPLIER COUNT INCREMENT
**
** This command tests the putVarint() and getVarint()
** routines, both for accuracy and for speed.
**
** An integer is written using putVarint() and read back with
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sqlite3BtreeDataSize(pCur, (u32*)&n2);
sqlite3BtreeLeave(pCur->pBtree);
sqlite3_snprintf(sizeof(zBuf),zBuf, "%d", (int)(n1+n2));
Tcl_AppendResult(interp, zBuf, 0);
return SQLITE_OK;
}
/*
** usage: varint_test START MULTIPLIER COUNT INCREMENT
**
** This command tests the putVarint() and getVarint()
** routines, both for accuracy and for speed.
**
** An integer is written using putVarint() and read back with
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pBt = db->aDb[iDb].pBt;
sqlite3_snprintf(sizeof(zBuf), zBuf, "%p", pBt);
Tcl_SetResult(interp, zBuf, TCL_VOLATILE);
return TCL_OK;
}
/*
** usage: btree_set_cache_size ID NCACHE
**
** Set the size of the cache used by btree $ID.
*/
static int btree_set_cache_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 */
){
int nCache;
Btree *pBt;
if( argc!=3 ){
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
" BT NCACHE\"", 0);
return TCL_ERROR;
}
pBt = sqlite3TestTextToPtr(argv[1]);
if( Tcl_GetInt(interp, argv[2], &nCache) ) return TCL_ERROR;
sqlite3_mutex_enter(pBt->db->mutex);
sqlite3BtreeEnter(pBt);
sqlite3BtreeSetCacheSize(pBt, nCache);
sqlite3BtreeLeave(pBt);
sqlite3_mutex_leave(pBt->db->mutex);
return TCL_OK;
}
/*
** Usage: btree_ismemdb ID
**
** Return true if the B-Tree is in-memory.
*/
static int btree_ismemdb(
void *NotUsed,
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pBt = db->aDb[iDb].pBt;
sqlite3_snprintf(sizeof(zBuf), zBuf, "%p", pBt);
Tcl_SetResult(interp, zBuf, TCL_VOLATILE);
return TCL_OK;
}
/*
** Usage: btree_ismemdb ID
**
** Return true if the B-Tree is in-memory.
*/
static int btree_ismemdb(
void *NotUsed,
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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_pager_stats", (Tcl_CmdProc*)btree_pager_stats },
{ "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_next", (Tcl_CmdProc*)btree_next },
{ "btree_prev", (Tcl_CmdProc*)btree_prev },
{ "btree_eof", (Tcl_CmdProc*)btree_eof },
{ "btree_keysize", (Tcl_CmdProc*)btree_keysize },
{ "btree_key", (Tcl_CmdProc*)btree_key },
{ "btree_data", (Tcl_CmdProc*)btree_data },
{ "btree_fetch_key", (Tcl_CmdProc*)btree_fetch_key },
{ "btree_fetch_data", (Tcl_CmdProc*)btree_fetch_data },
{ "btree_payload_size", (Tcl_CmdProc*)btree_payload_size },
{ "btree_first", (Tcl_CmdProc*)btree_first },
{ "btree_last", (Tcl_CmdProc*)btree_last },
{ "btree_integrity_check", (Tcl_CmdProc*)btree_integrity_check },
{ "btree_breakpoint", (Tcl_CmdProc*)btree_breakpoint },
{ "btree_varint_test", (Tcl_CmdProc*)btree_varint_test },
{ "btree_begin_statement", (Tcl_CmdProc*)btree_begin_statement },
{ "btree_commit_statement", (Tcl_CmdProc*)btree_commit_statement },
{ "btree_rollback_statement", (Tcl_CmdProc*)btree_rollback_statement },
{ "btree_from_db", (Tcl_CmdProc*)btree_from_db },
{ "btree_set_cache_size", (Tcl_CmdProc*)btree_set_cache_size },
{ "btree_cursor_info", (Tcl_CmdProc*)btree_cursor_info },
{ "btree_ovfl_info", (Tcl_CmdProc*)btree_ovfl_info },
{ "btree_cursor_list", (Tcl_CmdProc*)btree_cursor_list },
{ "btree_ismemdb", (Tcl_CmdProc*)btree_ismemdb },
};
int i;
for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
Tcl_CreateCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0);
}
/* The btree_insert command is implemented using the tcl 'object'
** interface, not the string interface like the other commands in this
** file. This is so binary data can be inserted into btree tables.
*/
Tcl_CreateObjCommand(interp, "btree_insert", btree_insert, 0, 0);
return TCL_OK;
}
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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_pager_stats", (Tcl_CmdProc*)btree_pager_stats },
{ "btree_cursor", (Tcl_CmdProc*)btree_cursor },
{ "btree_close_cursor", (Tcl_CmdProc*)btree_close_cursor },
{ "btree_next", (Tcl_CmdProc*)btree_next },
{ "btree_eof", (Tcl_CmdProc*)btree_eof },
{ "btree_payload_size", (Tcl_CmdProc*)btree_payload_size },
{ "btree_first", (Tcl_CmdProc*)btree_first },
{ "btree_varint_test", (Tcl_CmdProc*)btree_varint_test },
{ "btree_from_db", (Tcl_CmdProc*)btree_from_db },
{ "btree_ismemdb", (Tcl_CmdProc*)btree_ismemdb }
};
int i;
for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
Tcl_CreateCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0);
}
return TCL_OK;
}
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