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libsql/libsql-sqlite3/ext/fts5/fts5_tcl.c
Pekka Enberg 9ed72eb5ae Merge upstream SQLite 3.45.1 
This merges the version-3.45.1 tag from upstream SQLite git repository
to libSQL with the following conflicts resolved:

Conflicts:
      README.md
      ext/jni/src/org/sqlite/jni/capi/ConfigSqllogCallback.java
      libsql-sqlite3/configure
      libsql-sqlite3/doc/jsonb.md
      libsql-sqlite3/ext/fts5/test/fts5faultH.test
      libsql-sqlite3/ext/fts5/test/fts5origintext.test
      libsql-sqlite3/ext/fts5/test/fts5origintext2.test
      libsql-sqlite3/ext/fts5/test/fts5origintext3.test
      libsql-sqlite3/ext/fts5/test/fts5origintext4.test
      libsql-sqlite3/ext/fts5/test/fts5origintext5.test
      libsql-sqlite3/ext/fts5/test/fts5secure8.test
      libsql-sqlite3/ext/fts5/test/fts5tokenizer2.test
      libsql-sqlite3/ext/fts5/test/fts5trigram2.test
      libsql-sqlite3/ext/jni/src/org/sqlite/jni/annotation/Experimental.java
      libsql-sqlite3/ext/jni/src/org/sqlite/jni/capi/ConfigSqlLogCallback.java
      libsql-sqlite3/ext/jni/src/org/sqlite/jni/capi/ConfigSqllogCallback.java
      libsql-sqlite3/ext/jni/src/org/sqlite/jni/wrapper1/WindowFunction.java
      libsql-sqlite3/ext/wasm/GNUmakefile
      libsql-sqlite3/ext/wasm/batch-runner-sahpool.html
      libsql-sqlite3/ext/wasm/batch-runner-sahpool.js
      libsql-sqlite3/src/pager.c
      libsql-sqlite3/src/shell.c.in
      libsql-sqlite3/src/sqliteInt.h
      libsql-sqlite3/src/wal.c
      libsql-sqlite3/test/fts3integrity.test
      libsql-sqlite3/test/json/jsonb-q1.txt
      libsql-sqlite3/test/json106.test
      libsql-sqlite3/test/json107.test
      libsql-sqlite3/test/jsonb01.test
      libsql-sqlite3/test/mmapcorrupt.test
      libsql-sqlite3/test/releasetest_data.tcl
      libsql-sqlite3/test/shell9.test
      libsql-sqlite3/test/wapp.tcl
      libsql-sqlite3/test/wapptest.tcl
2024-07-25 13:45:06 +03:00

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/*
** 2014 Dec 01
**
** 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.
**
******************************************************************************
**
*/
#ifdef SQLITE_TEST
#if defined(INCLUDE_SQLITE_TCL_H)
# include "sqlite_tcl.h"
#else
# include "tcl.h"
# ifndef SQLITE_TCLAPI
# define SQLITE_TCLAPI
# endif
#endif
#ifdef SQLITE_ENABLE_FTS5
#include "fts5.h"
#include <string.h>
#include <assert.h>
#ifdef SQLITE_DEBUG
extern int sqlite3_fts5_may_be_corrupt;
#endif
extern int sqlite3Fts5TestRegisterMatchinfo(sqlite3*);
extern int sqlite3Fts5TestRegisterTok(sqlite3*, fts5_api*);
/*************************************************************************
** This is a copy of the first part of the SqliteDb structure in
** tclsqlite.c. We need it here so that the get_sqlite_pointer routine
** can extract the sqlite3* pointer from an existing Tcl SQLite
** connection.
*/
extern const char *sqlite3ErrName(int);
struct SqliteDb {
sqlite3 *db;
};
/*
** Decode a pointer to an sqlite3 object.
*/
static int f5tDbPointer(Tcl_Interp *interp, Tcl_Obj *pObj, sqlite3 **ppDb){
struct SqliteDb *p;
Tcl_CmdInfo cmdInfo;
char *z = Tcl_GetString(pObj);
if( Tcl_GetCommandInfo(interp, z, &cmdInfo) ){
p = (struct SqliteDb*)cmdInfo.objClientData;
*ppDb = p->db;
return TCL_OK;
}
return TCL_ERROR;
}
/* End of code that accesses the SqliteDb struct.
**************************************************************************/
static int f5tResultToErrorCode(const char *zRes){
struct ErrorCode {
int rc;
const char *zError;
} aErr[] = {
{ SQLITE_DONE, "SQLITE_DONE" },
{ SQLITE_ERROR, "SQLITE_ERROR" },
{ SQLITE_OK, "SQLITE_OK" },
{ SQLITE_OK, "" },
};
int i;
for(i=0; i<sizeof(aErr)/sizeof(aErr[0]); i++){
if( 0==sqlite3_stricmp(zRes, aErr[i].zError) ){
return aErr[i].rc;
}
}
return SQLITE_ERROR;
}
static int SQLITE_TCLAPI f5tDbAndApi(
Tcl_Interp *interp,
Tcl_Obj *pObj,
sqlite3 **ppDb,
fts5_api **ppApi
){
sqlite3 *db = 0;
int rc = f5tDbPointer(interp, pObj, &db);
if( rc!=TCL_OK ){
return TCL_ERROR;
}else{
sqlite3_stmt *pStmt = 0;
fts5_api *pApi = 0;
rc = sqlite3_prepare_v2(db, "SELECT fts5(?1)", -1, &pStmt, 0);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, "error: ", sqlite3_errmsg(db), 0);
return TCL_ERROR;
}
sqlite3_bind_pointer(pStmt, 1, (void*)&pApi, "fts5_api_ptr", 0);
sqlite3_step(pStmt);
if( sqlite3_finalize(pStmt)!=SQLITE_OK ){
Tcl_AppendResult(interp, "error: ", sqlite3_errmsg(db), 0);
return TCL_ERROR;
}
*ppDb = db;
*ppApi = pApi;
}
return TCL_OK;
}
typedef struct F5tFunction F5tFunction;
struct F5tFunction {
Tcl_Interp *interp;
Tcl_Obj *pScript;
};
typedef struct F5tApi F5tApi;
struct F5tApi {
const Fts5ExtensionApi *pApi;
Fts5Context *pFts;
};
/*
** An object of this type is used with the xSetAuxdata() and xGetAuxdata()
** API test wrappers. The tcl interface allows a single tcl value to be
** saved using xSetAuxdata(). Instead of simply storing a pointer to the
** tcl object, the code in this file wraps it in an sqlite3_malloc'd
** instance of the following struct so that if the destructor is not
** correctly invoked it will be reported as an SQLite memory leak.
*/
typedef struct F5tAuxData F5tAuxData;
struct F5tAuxData {
Tcl_Obj *pObj;
};
static int xTokenizeCb(
void *pCtx,
int tflags,
const char *zToken, int nToken,
int iStart, int iEnd
){
F5tFunction *p = (F5tFunction*)pCtx;
Tcl_Obj *pEval = Tcl_DuplicateObj(p->pScript);
int rc;
Tcl_IncrRefCount(pEval);
Tcl_ListObjAppendElement(p->interp, pEval, Tcl_NewStringObj(zToken, nToken));
Tcl_ListObjAppendElement(p->interp, pEval, Tcl_NewIntObj(iStart));
Tcl_ListObjAppendElement(p->interp, pEval, Tcl_NewIntObj(iEnd));
rc = Tcl_EvalObjEx(p->interp, pEval, 0);
Tcl_DecrRefCount(pEval);
if( rc==TCL_OK ){
rc = f5tResultToErrorCode(Tcl_GetStringResult(p->interp));
}
return rc;
}
static int SQLITE_TCLAPI xF5tApi(void*, Tcl_Interp*, int, Tcl_Obj *CONST []);
static int xQueryPhraseCb(
const Fts5ExtensionApi *pApi,
Fts5Context *pFts,
void *pCtx
){
F5tFunction *p = (F5tFunction*)pCtx;
static sqlite3_int64 iCmd = 0;
Tcl_Obj *pEval;
int rc;
char zCmd[64];
F5tApi sApi;
sApi.pApi = pApi;
sApi.pFts = pFts;
sprintf(zCmd, "f5t_2_%lld", iCmd++);
Tcl_CreateObjCommand(p->interp, zCmd, xF5tApi, &sApi, 0);
pEval = Tcl_DuplicateObj(p->pScript);
Tcl_IncrRefCount(pEval);
Tcl_ListObjAppendElement(p->interp, pEval, Tcl_NewStringObj(zCmd, -1));
rc = Tcl_EvalObjEx(p->interp, pEval, 0);
Tcl_DecrRefCount(pEval);
Tcl_DeleteCommand(p->interp, zCmd);
if( rc==TCL_OK ){
rc = f5tResultToErrorCode(Tcl_GetStringResult(p->interp));
}
return rc;
}
static void xSetAuxdataDestructor(void *p){
F5tAuxData *pData = (F5tAuxData*)p;
Tcl_DecrRefCount(pData->pObj);
sqlite3_free(pData);
}
/*
** api sub-command...
**
** Description...
*/
static int SQLITE_TCLAPI xF5tApi(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
struct Sub {
const char *zName;
int nArg;
const char *zMsg;
} aSub[] = {
{ "xColumnCount", 0, "" }, /* 0 */
{ "xRowCount", 0, "" }, /* 1 */
{ "xColumnTotalSize", 1, "COL" }, /* 2 */
{ "xTokenize", 2, "TEXT SCRIPT" }, /* 3 */
{ "xPhraseCount", 0, "" }, /* 4 */
{ "xPhraseSize", 1, "PHRASE" }, /* 5 */
{ "xInstCount", 0, "" }, /* 6 */
{ "xInst", 1, "IDX" }, /* 7 */
{ "xRowid", 0, "" }, /* 8 */
{ "xColumnText", 1, "COL" }, /* 9 */
{ "xColumnSize", 1, "COL" }, /* 10 */
{ "xQueryPhrase", 2, "PHRASE SCRIPT" }, /* 11 */
{ "xSetAuxdata", 1, "VALUE" }, /* 12 */
{ "xGetAuxdata", 1, "CLEAR" }, /* 13 */
{ "xSetAuxdataInt", 1, "INTEGER" }, /* 14 */
{ "xGetAuxdataInt", 1, "CLEAR" }, /* 15 */
{ "xPhraseForeach", 4, "IPHRASE COLVAR OFFVAR SCRIPT" }, /* 16 */
{ "xPhraseColumnForeach", 3, "IPHRASE COLVAR SCRIPT" }, /* 17 */
{ "xQueryToken", 2, "IPHRASE ITERM" }, /* 18 */
{ "xInstToken", 2, "IDX ITERM" }, /* 19 */
{ 0, 0, 0}
};
int rc;
int iSub = 0;
F5tApi *p = (F5tApi*)clientData;
if( objc<2 ){
Tcl_WrongNumArgs(interp, 1, objv, "SUB-COMMAND");
return TCL_ERROR;
}
rc = Tcl_GetIndexFromObjStruct(
interp, objv[1], aSub, sizeof(aSub[0]), "SUB-COMMAND", 0, &iSub
);
if( rc!=TCL_OK ) return rc;
if( aSub[iSub].nArg!=objc-2 ){
Tcl_WrongNumArgs(interp, 1, objv, aSub[iSub].zMsg);
return TCL_ERROR;
}
#define CASE(i,str) case i: assert( strcmp(aSub[i].zName, str)==0 );
switch( iSub ){
CASE(0, "xColumnCount") {
int nCol;
nCol = p->pApi->xColumnCount(p->pFts);
if( rc==SQLITE_OK ){
Tcl_SetObjResult(interp, Tcl_NewIntObj(nCol));
}
break;
}
CASE(1, "xRowCount") {
sqlite3_int64 nRow;
rc = p->pApi->xRowCount(p->pFts, &nRow);
if( rc==SQLITE_OK ){
Tcl_SetObjResult(interp, Tcl_NewWideIntObj(nRow));
}
break;
}
CASE(2, "xColumnTotalSize") {
int iCol;
sqlite3_int64 nSize;
if( Tcl_GetIntFromObj(interp, objv[2], &iCol) ) return TCL_ERROR;
rc = p->pApi->xColumnTotalSize(p->pFts, iCol, &nSize);
if( rc==SQLITE_OK ){
Tcl_SetObjResult(interp, Tcl_NewWideIntObj(nSize));
}
break;
}
CASE(3, "xTokenize") {
int nText;
char *zText = Tcl_GetStringFromObj(objv[2], &nText);
F5tFunction ctx;
ctx.interp = interp;
ctx.pScript = objv[3];
rc = p->pApi->xTokenize(p->pFts, zText, nText, &ctx, xTokenizeCb);
if( rc==SQLITE_OK ){
Tcl_ResetResult(interp);
}
return rc;
}
CASE(4, "xPhraseCount") {
int nPhrase;
nPhrase = p->pApi->xPhraseCount(p->pFts);
if( rc==SQLITE_OK ){
Tcl_SetObjResult(interp, Tcl_NewIntObj(nPhrase));
}
break;
}
CASE(5, "xPhraseSize") {
int iPhrase;
int sz;
if( Tcl_GetIntFromObj(interp, objv[2], &iPhrase) ){
return TCL_ERROR;
}
sz = p->pApi->xPhraseSize(p->pFts, iPhrase);
if( rc==SQLITE_OK ){
Tcl_SetObjResult(interp, Tcl_NewIntObj(sz));
}
break;
}
CASE(6, "xInstCount") {
int nInst;
rc = p->pApi->xInstCount(p->pFts, &nInst);
if( rc==SQLITE_OK ){
Tcl_SetObjResult(interp, Tcl_NewIntObj(nInst));
}
break;
}
CASE(7, "xInst") {
int iIdx, ip, ic, io;
if( Tcl_GetIntFromObj(interp, objv[2], &iIdx) ){
return TCL_ERROR;
}
rc = p->pApi->xInst(p->pFts, iIdx, &ip, &ic, &io);
if( rc==SQLITE_OK ){
Tcl_Obj *pList = Tcl_NewObj();
Tcl_ListObjAppendElement(interp, pList, Tcl_NewIntObj(ip));
Tcl_ListObjAppendElement(interp, pList, Tcl_NewIntObj(ic));
Tcl_ListObjAppendElement(interp, pList, Tcl_NewIntObj(io));
Tcl_SetObjResult(interp, pList);
}
break;
}
CASE(8, "xRowid") {
sqlite3_int64 iRowid = p->pApi->xRowid(p->pFts);
Tcl_SetObjResult(interp, Tcl_NewWideIntObj(iRowid));
break;
}
CASE(9, "xColumnText") {
const char *z = 0;
int n = 0;
int iCol;
if( Tcl_GetIntFromObj(interp, objv[2], &iCol) ){
return TCL_ERROR;
}
rc = p->pApi->xColumnText(p->pFts, iCol, &z, &n);
if( rc==SQLITE_OK ){
Tcl_SetObjResult(interp, Tcl_NewStringObj(z, n));
}
break;
}
CASE(10, "xColumnSize") {
int n = 0;
int iCol;
if( Tcl_GetIntFromObj(interp, objv[2], &iCol) ){
return TCL_ERROR;
}
rc = p->pApi->xColumnSize(p->pFts, iCol, &n);
if( rc==SQLITE_OK ){
Tcl_SetObjResult(interp, Tcl_NewIntObj(n));
}
break;
}
CASE(11, "xQueryPhrase") {
int iPhrase;
F5tFunction ctx;
if( Tcl_GetIntFromObj(interp, objv[2], &iPhrase) ){
return TCL_ERROR;
}
ctx.interp = interp;
ctx.pScript = objv[3];
rc = p->pApi->xQueryPhrase(p->pFts, iPhrase, &ctx, xQueryPhraseCb);
if( rc==SQLITE_OK ){
Tcl_ResetResult(interp);
}
break;
}
CASE(12, "xSetAuxdata") {
F5tAuxData *pData = (F5tAuxData*)sqlite3_malloc(sizeof(F5tAuxData));
if( pData==0 ){
Tcl_AppendResult(interp, "out of memory", 0);
return TCL_ERROR;
}
pData->pObj = objv[2];
Tcl_IncrRefCount(pData->pObj);
rc = p->pApi->xSetAuxdata(p->pFts, pData, xSetAuxdataDestructor);
break;
}
CASE(13, "xGetAuxdata") {
F5tAuxData *pData;
int bClear;
if( Tcl_GetBooleanFromObj(interp, objv[2], &bClear) ){
return TCL_ERROR;
}
pData = (F5tAuxData*)p->pApi->xGetAuxdata(p->pFts, bClear);
if( pData==0 ){
Tcl_ResetResult(interp);
}else{
Tcl_SetObjResult(interp, pData->pObj);
if( bClear ){
xSetAuxdataDestructor((void*)pData);
}
}
break;
}
/* These two - xSetAuxdataInt and xGetAuxdataInt - are similar to the
** xSetAuxdata and xGetAuxdata methods implemented above. The difference
** is that they may only save an integer value as auxiliary data, and
** do not specify a destructor function. */
CASE(14, "xSetAuxdataInt") {
int iVal;
if( Tcl_GetIntFromObj(interp, objv[2], &iVal) ) return TCL_ERROR;
rc = p->pApi->xSetAuxdata(p->pFts, (void*)((char*)0 + iVal), 0);
break;
}
CASE(15, "xGetAuxdataInt") {
int iVal;
int bClear;
if( Tcl_GetBooleanFromObj(interp, objv[2], &bClear) ) return TCL_ERROR;
iVal = (int)((char*)p->pApi->xGetAuxdata(p->pFts, bClear) - (char*)0);
Tcl_SetObjResult(interp, Tcl_NewIntObj(iVal));
break;
}
CASE(16, "xPhraseForeach") {
int iPhrase;
int iCol;
int iOff;
const char *zColvar;
const char *zOffvar;
Tcl_Obj *pScript = objv[5];
Fts5PhraseIter iter;
if( Tcl_GetIntFromObj(interp, objv[2], &iPhrase) ) return TCL_ERROR;
zColvar = Tcl_GetString(objv[3]);
zOffvar = Tcl_GetString(objv[4]);
rc = p->pApi->xPhraseFirst(p->pFts, iPhrase, &iter, &iCol, &iOff);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
return TCL_ERROR;
}
for( ;iCol>=0; p->pApi->xPhraseNext(p->pFts, &iter, &iCol, &iOff) ){
Tcl_SetVar2Ex(interp, zColvar, 0, Tcl_NewIntObj(iCol), 0);
Tcl_SetVar2Ex(interp, zOffvar, 0, Tcl_NewIntObj(iOff), 0);
rc = Tcl_EvalObjEx(interp, pScript, 0);
if( rc==TCL_CONTINUE ) rc = TCL_OK;
if( rc!=TCL_OK ){
if( rc==TCL_BREAK ) rc = TCL_OK;
break;
}
}
break;
}
CASE(17, "xPhraseColumnForeach") {
int iPhrase;
int iCol;
const char *zColvar;
Tcl_Obj *pScript = objv[4];
Fts5PhraseIter iter;
if( Tcl_GetIntFromObj(interp, objv[2], &iPhrase) ) return TCL_ERROR;
zColvar = Tcl_GetString(objv[3]);
rc = p->pApi->xPhraseFirstColumn(p->pFts, iPhrase, &iter, &iCol);
if( rc!=SQLITE_OK ){
Tcl_SetResult(interp, (char*)sqlite3ErrName(rc), TCL_VOLATILE);
return TCL_ERROR;
}
for( ; iCol>=0; p->pApi->xPhraseNextColumn(p->pFts, &iter, &iCol)){
Tcl_SetVar2Ex(interp, zColvar, 0, Tcl_NewIntObj(iCol), 0);
rc = Tcl_EvalObjEx(interp, pScript, 0);
if( rc==TCL_CONTINUE ) rc = TCL_OK;
if( rc!=TCL_OK ){
if( rc==TCL_BREAK ) rc = TCL_OK;
break;
}
}
break;
}
CASE(18, "xQueryToken") {
const char *pTerm = 0;
int nTerm = 0;
int iPhrase = 0;
int iTerm = 0;
if( Tcl_GetIntFromObj(interp, objv[2], &iPhrase) ) return TCL_ERROR;
if( Tcl_GetIntFromObj(interp, objv[3], &iTerm) ) return TCL_ERROR;
rc = p->pApi->xQueryToken(p->pFts, iPhrase, iTerm, &pTerm, &nTerm);
if( rc==SQLITE_OK ){
Tcl_SetObjResult(interp, Tcl_NewStringObj(pTerm, nTerm));
}
break;
}
CASE(19, "xInstToken") {
const char *pTerm = 0;
int nTerm = 0;
int iIdx = 0;
int iTerm = 0;
if( Tcl_GetIntFromObj(interp, objv[2], &iIdx) ) return TCL_ERROR;
if( Tcl_GetIntFromObj(interp, objv[3], &iTerm) ) return TCL_ERROR;
rc = p->pApi->xInstToken(p->pFts, iIdx, iTerm, &pTerm, &nTerm);
if( rc==SQLITE_OK ){
Tcl_SetObjResult(interp, Tcl_NewStringObj(pTerm, nTerm));
}
break;
}
default:
assert( 0 );
break;
}
#undef CASE
if( rc!=SQLITE_OK ){
Tcl_SetResult(interp, (char*)sqlite3ErrName(rc), TCL_VOLATILE);
return TCL_ERROR;
}
return TCL_OK;
}
static void xF5tFunction(
const Fts5ExtensionApi *pApi, /* API offered by current FTS version */
Fts5Context *pFts, /* First arg to pass to pApi functions */
sqlite3_context *pCtx, /* Context for returning result/error */
int nVal, /* Number of values in apVal[] array */
sqlite3_value **apVal /* Array of trailing arguments */
){
F5tFunction *p = (F5tFunction*)pApi->xUserData(pFts);
Tcl_Obj *pEval; /* Script to evaluate */
int i;
int rc;
static sqlite3_int64 iCmd = 0;
char zCmd[64];
F5tApi sApi;
sApi.pApi = pApi;
sApi.pFts = pFts;
sprintf(zCmd, "f5t_%lld", iCmd++);
Tcl_CreateObjCommand(p->interp, zCmd, xF5tApi, &sApi, 0);
pEval = Tcl_DuplicateObj(p->pScript);
Tcl_IncrRefCount(pEval);
Tcl_ListObjAppendElement(p->interp, pEval, Tcl_NewStringObj(zCmd, -1));
for(i=0; i<nVal; i++){
Tcl_Obj *pObj = 0;
switch( sqlite3_value_type(apVal[i]) ){
case SQLITE_TEXT:
pObj = Tcl_NewStringObj((const char*)sqlite3_value_text(apVal[i]), -1);
break;
case SQLITE_BLOB:
pObj = Tcl_NewByteArrayObj(
sqlite3_value_blob(apVal[i]), sqlite3_value_bytes(apVal[i])
);
break;
case SQLITE_INTEGER:
pObj = Tcl_NewWideIntObj(sqlite3_value_int64(apVal[i]));
break;
case SQLITE_FLOAT:
pObj = Tcl_NewDoubleObj(sqlite3_value_double(apVal[i]));
break;
default:
pObj = Tcl_NewObj();
break;
}
Tcl_ListObjAppendElement(p->interp, pEval, pObj);
}
rc = Tcl_EvalObjEx(p->interp, pEval, TCL_GLOBAL_ONLY);
Tcl_DecrRefCount(pEval);
Tcl_DeleteCommand(p->interp, zCmd);
if( rc!=TCL_OK ){
sqlite3_result_error(pCtx, Tcl_GetStringResult(p->interp), -1);
}else{
Tcl_Obj *pVar = Tcl_GetObjResult(p->interp);
int n;
const char *zType = (pVar->typePtr ? pVar->typePtr->name : "");
char c = zType[0];
if( c=='b' && strcmp(zType,"bytearray")==0 && pVar->bytes==0 ){
/* Only return a BLOB type if the Tcl variable is a bytearray and
** has no string representation. */
unsigned char *data = Tcl_GetByteArrayFromObj(pVar, &n);
sqlite3_result_blob(pCtx, data, n, SQLITE_TRANSIENT);
}else if( c=='b' && strcmp(zType,"boolean")==0 ){
Tcl_GetIntFromObj(0, pVar, &n);
sqlite3_result_int(pCtx, n);
}else if( c=='d' && strcmp(zType,"double")==0 ){
double r;
Tcl_GetDoubleFromObj(0, pVar, &r);
sqlite3_result_double(pCtx, r);
}else if( (c=='w' && strcmp(zType,"wideInt")==0) ||
(c=='i' && strcmp(zType,"int")==0) ){
Tcl_WideInt v;
Tcl_GetWideIntFromObj(0, pVar, &v);
sqlite3_result_int64(pCtx, v);
}else{
unsigned char *data = (unsigned char *)Tcl_GetStringFromObj(pVar, &n);
sqlite3_result_text(pCtx, (char *)data, n, SQLITE_TRANSIENT);
}
}
}
static void xF5tDestroy(void *pCtx){
F5tFunction *p = (F5tFunction*)pCtx;
Tcl_DecrRefCount(p->pScript);
ckfree((char *)p);
}
/*
** sqlite3_fts5_create_function DB NAME SCRIPT
**
** Description...
*/
static int SQLITE_TCLAPI f5tCreateFunction(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
char *zName;
Tcl_Obj *pScript;
sqlite3 *db = 0;
fts5_api *pApi = 0;
F5tFunction *pCtx = 0;
int rc;
if( objc!=4 ){
Tcl_WrongNumArgs(interp, 1, objv, "DB NAME SCRIPT");
return TCL_ERROR;
}
if( f5tDbAndApi(interp, objv[1], &db, &pApi) ) return TCL_ERROR;
zName = Tcl_GetString(objv[2]);
pScript = objv[3];
pCtx = (F5tFunction*)ckalloc(sizeof(F5tFunction));
pCtx->interp = interp;
pCtx->pScript = pScript;
Tcl_IncrRefCount(pScript);
rc = pApi->xCreateFunction(
pApi, zName, (void*)pCtx, xF5tFunction, xF5tDestroy
);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, "error: ", sqlite3_errmsg(db), 0);
return TCL_ERROR;
}
return TCL_OK;
}
typedef struct F5tTokenizeCtx F5tTokenizeCtx;
struct F5tTokenizeCtx {
Tcl_Obj *pRet;
int bSubst;
const char *zInput;
};
static int xTokenizeCb2(
void *pCtx,
int tflags,
const char *zToken, int nToken,
int iStart, int iEnd
){
F5tTokenizeCtx *p = (F5tTokenizeCtx*)pCtx;
if( p->bSubst ){
Tcl_ListObjAppendElement(0, p->pRet, Tcl_NewStringObj(zToken, nToken));
Tcl_ListObjAppendElement(
0, p->pRet, Tcl_NewStringObj(&p->zInput[iStart], iEnd-iStart)
);
}else{
Tcl_ListObjAppendElement(0, p->pRet, Tcl_NewStringObj(zToken, nToken));
Tcl_ListObjAppendElement(0, p->pRet, Tcl_NewIntObj(iStart));
Tcl_ListObjAppendElement(0, p->pRet, Tcl_NewIntObj(iEnd));
}
return SQLITE_OK;
}
/*
** sqlite3_fts5_tokenize DB TOKENIZER TEXT
**
** Description...
*/
static int SQLITE_TCLAPI f5tTokenize(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
char *zText;
int nText;
sqlite3 *db = 0;
fts5_api *pApi = 0;
Fts5Tokenizer *pTok = 0;
fts5_tokenizer tokenizer;
Tcl_Obj *pRet = 0;
void *pUserdata;
int rc;
int nArg;
const char **azArg;
F5tTokenizeCtx ctx;
if( objc!=4 && objc!=5 ){
Tcl_WrongNumArgs(interp, 1, objv, "?-subst? DB NAME TEXT");
return TCL_ERROR;
}
if( objc==5 ){
char *zOpt = Tcl_GetString(objv[1]);
if( strcmp("-subst", zOpt) ){
Tcl_AppendResult(interp, "unrecognized option: ", zOpt, 0);
return TCL_ERROR;
}
}
if( f5tDbAndApi(interp, objv[objc-3], &db, &pApi) ) return TCL_ERROR;
if( Tcl_SplitList(interp, Tcl_GetString(objv[objc-2]), &nArg, &azArg) ){
return TCL_ERROR;
}
if( nArg==0 ){
Tcl_AppendResult(interp, "no such tokenizer: ", 0);
Tcl_Free((void*)azArg);
return TCL_ERROR;
}
zText = Tcl_GetStringFromObj(objv[objc-1], &nText);
rc = pApi->xFindTokenizer(pApi, azArg[0], &pUserdata, &tokenizer);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, "no such tokenizer: ", azArg[0], 0);
return TCL_ERROR;
}
rc = tokenizer.xCreate(pUserdata, &azArg[1], nArg-1, &pTok);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, "error in tokenizer.xCreate()", 0);
return TCL_ERROR;
}
pRet = Tcl_NewObj();
Tcl_IncrRefCount(pRet);
ctx.bSubst = (objc==5);
ctx.pRet = pRet;
ctx.zInput = zText;
rc = tokenizer.xTokenize(
pTok, (void*)&ctx, FTS5_TOKENIZE_DOCUMENT, zText, nText, xTokenizeCb2
);
tokenizer.xDelete(pTok);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, "error in tokenizer.xTokenize()", 0);
Tcl_DecrRefCount(pRet);
return TCL_ERROR;
}
Tcl_Free((void*)azArg);
Tcl_SetObjResult(interp, pRet);
Tcl_DecrRefCount(pRet);
return TCL_OK;
}
/*************************************************************************
** Start of tokenizer wrapper.
*/
typedef struct F5tTokenizerContext F5tTokenizerContext;
typedef struct F5tTokenizerCb F5tTokenizerCb;
typedef struct F5tTokenizerModule F5tTokenizerModule;
typedef struct F5tTokenizerInstance F5tTokenizerInstance;
struct F5tTokenizerContext {
void *pCtx;
int (*xToken)(void*, int, const char*, int, int, int);
};
struct F5tTokenizerModule {
Tcl_Interp *interp;
Tcl_Obj *pScript;
F5tTokenizerContext *pContext;
};
struct F5tTokenizerInstance {
Tcl_Interp *interp;
Tcl_Obj *pScript;
F5tTokenizerContext *pContext;
};
static int f5tTokenizerCreate(
void *pCtx,
const char **azArg,
int nArg,
Fts5Tokenizer **ppOut
){
F5tTokenizerModule *pMod = (F5tTokenizerModule*)pCtx;
Tcl_Obj *pEval;
int rc = TCL_OK;
int i;
pEval = Tcl_DuplicateObj(pMod->pScript);
Tcl_IncrRefCount(pEval);
for(i=0; rc==TCL_OK && i<nArg; i++){
Tcl_Obj *pObj = Tcl_NewStringObj(azArg[i], -1);
rc = Tcl_ListObjAppendElement(pMod->interp, pEval, pObj);
}
if( rc==TCL_OK ){
rc = Tcl_EvalObjEx(pMod->interp, pEval, TCL_GLOBAL_ONLY);
}
Tcl_DecrRefCount(pEval);
if( rc==TCL_OK ){
F5tTokenizerInstance *pInst;
pInst = (F5tTokenizerInstance*)ckalloc(sizeof(F5tTokenizerInstance));
memset(pInst, 0, sizeof(F5tTokenizerInstance));
pInst->interp = pMod->interp;
pInst->pScript = Tcl_GetObjResult(pMod->interp);
pInst->pContext = pMod->pContext;
Tcl_IncrRefCount(pInst->pScript);
*ppOut = (Fts5Tokenizer*)pInst;
}
return rc;
}
static void f5tTokenizerDelete(Fts5Tokenizer *p){
F5tTokenizerInstance *pInst = (F5tTokenizerInstance*)p;
Tcl_DecrRefCount(pInst->pScript);
ckfree((char *)pInst);
}
static int f5tTokenizerTokenize(
Fts5Tokenizer *p,
void *pCtx,
int flags,
const char *pText, int nText,
int (*xToken)(void*, int, const char*, int, int, int)
){
F5tTokenizerInstance *pInst = (F5tTokenizerInstance*)p;
void *pOldCtx;
int (*xOldToken)(void*, int, const char*, int, int, int);
Tcl_Obj *pEval;
int rc;
const char *zFlags;
pOldCtx = pInst->pContext->pCtx;
xOldToken = pInst->pContext->xToken;
pInst->pContext->pCtx = pCtx;
pInst->pContext->xToken = xToken;
assert(
flags==FTS5_TOKENIZE_DOCUMENT
|| flags==FTS5_TOKENIZE_AUX
|| flags==FTS5_TOKENIZE_QUERY
|| flags==(FTS5_TOKENIZE_QUERY | FTS5_TOKENIZE_PREFIX)
);
pEval = Tcl_DuplicateObj(pInst->pScript);
Tcl_IncrRefCount(pEval);
switch( flags ){
case FTS5_TOKENIZE_DOCUMENT:
zFlags = "document";
break;
case FTS5_TOKENIZE_AUX:
zFlags = "aux";
break;
case FTS5_TOKENIZE_QUERY:
zFlags = "query";
break;
case (FTS5_TOKENIZE_PREFIX | FTS5_TOKENIZE_QUERY):
zFlags = "prefixquery";
break;
default:
assert( 0 );
zFlags = "invalid";
break;
}
Tcl_ListObjAppendElement(pInst->interp, pEval, Tcl_NewStringObj(zFlags, -1));
Tcl_ListObjAppendElement(pInst->interp, pEval, Tcl_NewStringObj(pText,nText));
rc = Tcl_EvalObjEx(pInst->interp, pEval, TCL_GLOBAL_ONLY);
Tcl_DecrRefCount(pEval);
pInst->pContext->pCtx = pOldCtx;
pInst->pContext->xToken = xOldToken;
return rc;
}
/*
** sqlite3_fts5_token ?-colocated? TEXT START END
*/
static int SQLITE_TCLAPI f5tTokenizerReturn(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
F5tTokenizerContext *p = (F5tTokenizerContext*)clientData;
int iStart;
int iEnd;
int nToken;
int tflags = 0;
char *zToken;
int rc;
if( objc==5 ){
int nArg;
char *zArg = Tcl_GetStringFromObj(objv[1], &nArg);
if( nArg<=10 && nArg>=2 && memcmp("-colocated", zArg, nArg)==0 ){
tflags |= FTS5_TOKEN_COLOCATED;
}else{
goto usage;
}
}else if( objc!=4 ){
goto usage;
}
zToken = Tcl_GetStringFromObj(objv[objc-3], &nToken);
if( Tcl_GetIntFromObj(interp, objv[objc-2], &iStart)
|| Tcl_GetIntFromObj(interp, objv[objc-1], &iEnd)
){
return TCL_ERROR;
}
if( p->xToken==0 ){
Tcl_AppendResult(interp,
"sqlite3_fts5_token may only be used by tokenizer callback", 0
);
return TCL_ERROR;
}
rc = p->xToken(p->pCtx, tflags, zToken, nToken, iStart, iEnd);
Tcl_SetResult(interp, (char*)sqlite3ErrName(rc), TCL_VOLATILE);
return rc==SQLITE_OK ? TCL_OK : TCL_ERROR;
usage:
Tcl_WrongNumArgs(interp, 1, objv, "?-colocated? TEXT START END");
return TCL_ERROR;
}
static void f5tDelTokenizer(void *pCtx){
F5tTokenizerModule *pMod = (F5tTokenizerModule*)pCtx;
Tcl_DecrRefCount(pMod->pScript);
ckfree((char *)pMod);
}
/*
** sqlite3_fts5_create_tokenizer DB NAME SCRIPT
**
** Register a tokenizer named NAME implemented by script SCRIPT. When
** a tokenizer instance is created (fts5_tokenizer.xCreate), any tokenizer
** arguments are appended to SCRIPT and the result executed.
**
** The value returned by (SCRIPT + args) is itself a tcl script. This
** script - call it SCRIPT2 - is executed to tokenize text using the
** tokenizer instance "returned" by SCRIPT. Specifically, to tokenize
** text SCRIPT2 is invoked with a single argument appended to it - the
** text to tokenize.
**
** SCRIPT2 should invoke the [sqlite3_fts5_token] command once for each
** token within the tokenized text.
*/
static int SQLITE_TCLAPI f5tCreateTokenizer(
ClientData clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
F5tTokenizerContext *pContext = (F5tTokenizerContext*)clientData;
sqlite3 *db;
fts5_api *pApi;
char *zName;
Tcl_Obj *pScript;
fts5_tokenizer t;
F5tTokenizerModule *pMod;
int rc;
if( objc!=4 ){
Tcl_WrongNumArgs(interp, 1, objv, "DB NAME SCRIPT");
return TCL_ERROR;
}
if( f5tDbAndApi(interp, objv[1], &db, &pApi) ){
return TCL_ERROR;
}
zName = Tcl_GetString(objv[2]);
pScript = objv[3];
t.xCreate = f5tTokenizerCreate;
t.xTokenize = f5tTokenizerTokenize;
t.xDelete = f5tTokenizerDelete;
pMod = (F5tTokenizerModule*)ckalloc(sizeof(F5tTokenizerModule));
pMod->interp = interp;
pMod->pScript = pScript;
pMod->pContext = pContext;
Tcl_IncrRefCount(pScript);
rc = pApi->xCreateTokenizer(pApi, zName, (void*)pMod, &t, f5tDelTokenizer);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, "error in fts5_api.xCreateTokenizer()", 0);
return TCL_ERROR;
}
return TCL_OK;
}
static void SQLITE_TCLAPI xF5tFree(ClientData clientData){
ckfree(clientData);
}
/*
** sqlite3_fts5_may_be_corrupt BOOLEAN
**
** Set or clear the global "may-be-corrupt" flag. Return the old value.
*/
static int SQLITE_TCLAPI f5tMayBeCorrupt(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
#ifdef SQLITE_DEBUG
int bOld = sqlite3_fts5_may_be_corrupt;
if( objc!=2 && objc!=1 ){
Tcl_WrongNumArgs(interp, 1, objv, "?BOOLEAN?");
return TCL_ERROR;
}
if( objc==2 ){
int bNew;
if( Tcl_GetBooleanFromObj(interp, objv[1], &bNew) ) return TCL_ERROR;
sqlite3_fts5_may_be_corrupt = bNew;
}
Tcl_SetObjResult(interp, Tcl_NewIntObj(bOld));
#endif
return TCL_OK;
}
static unsigned int f5t_fts5HashKey(int nSlot, const char *p, int n){
int i;
unsigned int h = 13;
for(i=n-1; i>=0; i--){
h = (h << 3) ^ h ^ p[i];
}
return (h % nSlot);
}
static int SQLITE_TCLAPI f5tTokenHash(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
char *z;
int n;
unsigned int iVal;
int nSlot;
if( objc!=3 ){
Tcl_WrongNumArgs(interp, 1, objv, "NSLOT TOKEN");
return TCL_ERROR;
}
if( Tcl_GetIntFromObj(interp, objv[1], &nSlot) ){
return TCL_ERROR;
}
z = Tcl_GetStringFromObj(objv[2], &n);
iVal = f5t_fts5HashKey(nSlot, z, n);
Tcl_SetObjResult(interp, Tcl_NewIntObj(iVal));
return TCL_OK;
}
static int SQLITE_TCLAPI f5tRegisterMatchinfo(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
int rc;
sqlite3 *db = 0;
if( objc!=2 ){
Tcl_WrongNumArgs(interp, 1, objv, "DB");
return TCL_ERROR;
}
if( f5tDbPointer(interp, objv[1], &db) ){
return TCL_ERROR;
}
rc = sqlite3Fts5TestRegisterMatchinfo(db);
if( rc!=SQLITE_OK ){
Tcl_SetResult(interp, (char*)sqlite3ErrName(rc), TCL_VOLATILE);
return TCL_ERROR;
}
return TCL_OK;
}
static int SQLITE_TCLAPI f5tRegisterTok(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
int rc;
sqlite3 *db = 0;
fts5_api *pApi = 0;
if( objc!=2 ){
Tcl_WrongNumArgs(interp, 1, objv, "DB");
return TCL_ERROR;
}
if( f5tDbAndApi(interp, objv[1], &db, &pApi) ){
return TCL_ERROR;
}
rc = sqlite3Fts5TestRegisterTok(db, pApi);
if( rc!=SQLITE_OK ){
Tcl_SetResult(interp, (char*)sqlite3ErrName(rc), TCL_VOLATILE);
return TCL_ERROR;
}
return TCL_OK;
}
typedef struct OriginTextCtx OriginTextCtx;
struct OriginTextCtx {
sqlite3 *db;
fts5_api *pApi;
};
typedef struct OriginTextTokenizer OriginTextTokenizer;
struct OriginTextTokenizer {
Fts5Tokenizer *pTok; /* Underlying tokenizer object */
fts5_tokenizer tokapi; /* API implementation for pTok */
};
/*
** Delete the OriginTextCtx object indicated by the only argument.
*/
static void f5tOrigintextTokenizerDelete(void *pCtx){
OriginTextCtx *p = (OriginTextCtx*)pCtx;
ckfree(p);
}
static int f5tOrigintextCreate(
void *pCtx,
const char **azArg,
int nArg,
Fts5Tokenizer **ppOut
){
OriginTextCtx *p = (OriginTextCtx*)pCtx;
OriginTextTokenizer *pTok = 0;
void *pTokCtx = 0;
int rc = SQLITE_OK;
pTok = (OriginTextTokenizer*)sqlite3_malloc(sizeof(OriginTextTokenizer));
if( pTok==0 ){
rc = SQLITE_NOMEM;
}else if( nArg<1 ){
rc = SQLITE_ERROR;
}else{
/* Locate the underlying tokenizer */
rc = p->pApi->xFindTokenizer(p->pApi, azArg[0], &pTokCtx, &pTok->tokapi);
}
/* Create the new tokenizer instance */
if( rc==SQLITE_OK ){
rc = pTok->tokapi.xCreate(pTokCtx, &azArg[1], nArg-1, &pTok->pTok);
}
if( rc!=SQLITE_OK ){
sqlite3_free(pTok);
pTok = 0;
}
*ppOut = (Fts5Tokenizer*)pTok;
return rc;
}
static void f5tOrigintextDelete(Fts5Tokenizer *pTokenizer){
OriginTextTokenizer *p = (OriginTextTokenizer*)pTokenizer;
if( p->pTok ){
p->tokapi.xDelete(p->pTok);
}
sqlite3_free(p);
}
typedef struct OriginTextCb OriginTextCb;
struct OriginTextCb {
void *pCtx;
const char *pText;
int nText;
int (*xToken)(void *, int, const char *, int, int, int);
char *aBuf; /* Buffer to use */
int nBuf; /* Allocated size of aBuf[] */
};
static int xOriginToken(
void *pCtx, /* Copy of 2nd argument to xTokenize() */
int tflags, /* Mask of FTS5_TOKEN_* flags */
const char *pToken, /* Pointer to buffer containing token */
int nToken, /* Size of token in bytes */
int iStart, /* Byte offset of token within input text */
int iEnd /* Byte offset of end of token within input */
){
OriginTextCb *p = (OriginTextCb*)pCtx;
int ret = 0;
if( nToken==(iEnd-iStart) && 0==memcmp(pToken, &p->pText[iStart], nToken) ){
/* Token exactly matches document text. Pass it through as is. */
ret = p->xToken(p->pCtx, tflags, pToken, nToken, iStart, iEnd);
}else{
int nReq = nToken + 1 + (iEnd-iStart);
if( nReq>p->nBuf ){
sqlite3_free(p->aBuf);
p->aBuf = sqlite3_malloc(nReq*2);
if( p->aBuf==0 ) return SQLITE_NOMEM;
p->nBuf = nReq*2;
}
memcpy(p->aBuf, pToken, nToken);
p->aBuf[nToken] = '\0';
memcpy(&p->aBuf[nToken+1], &p->pText[iStart], iEnd-iStart);
ret = p->xToken(p->pCtx, tflags, p->aBuf, nReq, iStart, iEnd);
}
return ret;
}
static int f5tOrigintextTokenize(
Fts5Tokenizer *pTokenizer,
void *pCtx,
int flags, /* Mask of FTS5_TOKENIZE_* flags */
const char *pText, int nText,
int (*xToken)(void *, int, const char *, int, int, int)
){
OriginTextTokenizer *p = (OriginTextTokenizer*)pTokenizer;
OriginTextCb cb;
int ret;
memset(&cb, 0, sizeof(cb));
cb.pCtx = pCtx;
cb.pText = pText;
cb.nText = nText;
cb.xToken = xToken;
ret = p->tokapi.xTokenize(p->pTok,(void*)&cb,flags,pText,nText,xOriginToken);
sqlite3_free(cb.aBuf);
return ret;
}
/*
** sqlite3_fts5_register_origintext DB
**
** Description...
*/
static int SQLITE_TCLAPI f5tRegisterOriginText(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
sqlite3 *db = 0;
fts5_api *pApi = 0;
int rc;
fts5_tokenizer tok = {0, 0, 0};
OriginTextCtx *pCtx = 0;
if( objc!=2 ){
Tcl_WrongNumArgs(interp, 1, objv, "DB");
return TCL_ERROR;
}
if( f5tDbAndApi(interp, objv[1], &db, &pApi) ) return TCL_ERROR;
pCtx = (OriginTextCtx*)ckalloc(sizeof(OriginTextCtx));
pCtx->db = db;
pCtx->pApi = pApi;
tok.xCreate = f5tOrigintextCreate;
tok.xDelete = f5tOrigintextDelete;
tok.xTokenize = f5tOrigintextTokenize;
rc = pApi->xCreateTokenizer(
pApi, "origintext", (void*)pCtx, &tok, f5tOrigintextTokenizerDelete
);
Tcl_ResetResult(interp);
if( rc!=SQLITE_OK ){
Tcl_AppendResult(interp, "error: ", sqlite3_errmsg(db), 0);
return TCL_ERROR;
}
return TCL_OK;
}
/*
** Entry point.
*/
int Fts5tcl_Init(Tcl_Interp *interp){
static struct Cmd {
char *zName;
Tcl_ObjCmdProc *xProc;
int bTokenizeCtx;
} aCmd[] = {
{ "sqlite3_fts5_create_tokenizer", f5tCreateTokenizer, 1 },
{ "sqlite3_fts5_token", f5tTokenizerReturn, 1 },
{ "sqlite3_fts5_tokenize", f5tTokenize, 0 },
{ "sqlite3_fts5_create_function", f5tCreateFunction, 0 },
{ "sqlite3_fts5_may_be_corrupt", f5tMayBeCorrupt, 0 },
{ "sqlite3_fts5_token_hash", f5tTokenHash, 0 },
{ "sqlite3_fts5_register_matchinfo", f5tRegisterMatchinfo, 0 },
{ "sqlite3_fts5_register_fts5tokenize", f5tRegisterTok, 0 },
{ "sqlite3_fts5_register_origintext",f5tRegisterOriginText, 0 }
};
int i;
F5tTokenizerContext *pContext;
pContext = (F5tTokenizerContext*)ckalloc(sizeof(F5tTokenizerContext));
memset(pContext, 0, sizeof(*pContext));
for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
struct Cmd *p = &aCmd[i];
void *pCtx = 0;
if( p->bTokenizeCtx ) pCtx = (void*)pContext;
Tcl_CreateObjCommand(interp, p->zName, p->xProc, pCtx, (i ? 0 : xF5tFree));
}
return TCL_OK;
}
#else /* SQLITE_ENABLE_FTS5 */
int Fts5tcl_Init(Tcl_Interp *interp){
return TCL_OK;
}
#endif /* SQLITE_ENABLE_FTS5 */
#endif /* SQLITE_TEST */
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