Fts5Auxiliary *pAux; /* Currently executing extension function */
Fts5Auxdata *pAuxdata; /* First in linked list of saved aux-data */
int *aColumnSize; /* Values for xColumnSize() */
+
+ int nInstCount; /* Number of phrase instances */
+ int *aInst; /* 3 integers per phrase instance */
};
/*
return FTS5_STMT_LOOKUP;
}
+/*
+** This function is called after the cursor passed as the only argument
+** is moved to point at a different row. It clears all cached data
+** specific to the previous row stored by the cursor object.
+*/
+static void fts5CsrNewrow(Fts5Cursor *pCsr){
+ CsrFlagSet(pCsr, FTS5CSR_REQUIRE_CONTENT | FTS5CSR_REQUIRE_DOCSIZE );
+ sqlite3_free(pCsr->aInst);
+ pCsr->aInst = 0;
+ pCsr->nInstCount = 0;
+}
+
/*
** Close the cursor. For additional information see the documentation
** on the xClose method of the virtual table interface.
Fts5Auxdata *pData;
Fts5Auxdata *pNext;
+ fts5CsrNewrow(pCsr);
if( pCsr->pStmt ){
int eStmt = fts5StmtType(pCsr->idxNum);
sqlite3Fts5StorageStmtRelease(pTab->pStorage, eStmt, pCsr->pStmt);
pSorter->aIdx[i] = &aBlob[nBlob] - a;
pSorter->aPoslist = a;
- CsrFlagSet(pCsr, FTS5CSR_REQUIRE_CONTENT | FTS5CSR_REQUIRE_DOCSIZE );
+ fts5CsrNewrow(pCsr);
}
return rc;
if( sqlite3Fts5ExprEof(pCsr->pExpr) ){
CsrFlagSet(pCsr, FTS5CSR_EOF);
}
- CsrFlagSet(pCsr, FTS5CSR_REQUIRE_CONTENT | FTS5CSR_REQUIRE_DOCSIZE );
+ fts5CsrNewrow(pCsr);
break;
case FTS5_PLAN_SPECIAL: {
if( sqlite3Fts5ExprEof(pCsr->pExpr) ){
CsrFlagSet(pCsr, FTS5CSR_EOF);
}
- CsrFlagSet(pCsr, FTS5CSR_REQUIRE_CONTENT | FTS5CSR_REQUIRE_DOCSIZE );
+ fts5CsrNewrow(pCsr);
return rc;
}
return sqlite3Fts5ExprPhraseSize(pCsr->pExpr, iPhrase);
}
+static int fts5CsrPoslist(Fts5Cursor *pCsr, int iPhrase, const u8 **pa){
+ int n;
+ if( pCsr->pSorter ){
+ Fts5Sorter *pSorter = pCsr->pSorter;
+ int i1 = (iPhrase==0 ? 0 : pSorter->aIdx[iPhrase-1]);
+ n = pSorter->aIdx[iPhrase] - i1;
+ *pa = &pSorter->aPoslist[i1];
+ }else{
+ n = sqlite3Fts5ExprPoslist(pCsr->pExpr, iPhrase, pa);
+ }
+ return n;
+}
+
+/*
+** Ensure that the Fts5Cursor.nInstCount and aInst[] variables are populated
+** correctly for the current view. Return SQLITE_OK if successful, or an
+** SQLite error code otherwise.
+*/
+static int fts5CacheInstArray(Fts5Cursor *pCsr){
+ int rc = SQLITE_OK;
+ if( pCsr->aInst==0 ){
+ Fts5PoslistReader *aIter; /* One iterator for each phrase */
+ int nIter; /* Number of iterators/phrases */
+ int nByte;
+
+ nIter = sqlite3Fts5ExprPhraseCount(pCsr->pExpr);
+ nByte = sizeof(Fts5PoslistReader) * nIter;
+ aIter = (Fts5PoslistReader*)sqlite3Fts5MallocZero(&rc, nByte);
+ if( aIter ){
+ Fts5Buffer buf = {0, 0, 0}; /* Build up aInst[] here */
+ int nInst; /* Number instances seen so far */
+ int i;
+
+ /* Initialize all iterators */
+ for(i=0; i<nIter; i++){
+ const u8 *a;
+ int n = fts5CsrPoslist(pCsr, i, &a);
+ sqlite3Fts5PoslistReaderInit(-1, a, n, &aIter[i]);
+ }
+
+ while( 1 ){
+ int *aInst;
+ int iBest = -1;
+ for(i=0; i<nIter; i++){
+ if( aIter[i].bEof==0 && (iBest<0 || aIter[i].iPos<iBest) ){
+ iBest = i;
+ }
+ }
+
+ if( iBest<0 ) break;
+ nInst++;
+ if( sqlite3Fts5BufferGrow(&rc, &buf, nInst * sizeof(int) * 3) ) break;
+
+ aInst = &((int*)buf.p)[3 * (nInst-1)];
+ aInst[0] = iBest;
+ aInst[1] = FTS5_POS2COLUMN(aIter[iBest].iPos);
+ aInst[2] = FTS5_POS2OFFSET(aIter[iBest].iPos);
+ sqlite3Fts5PoslistReaderNext(&aIter[iBest]);
+ }
+
+ pCsr->aInst = (int*)buf.p;
+ pCsr->nInstCount = nInst;
+ sqlite3_free(aIter);
+ }
+ }
+ return rc;
+}
+
+static int fts5ApiInstCount(Fts5Context *pCtx, int *pnInst){
+ Fts5Cursor *pCsr = (Fts5Cursor*)pCtx;
+ int rc;
+ if( SQLITE_OK==(rc = fts5CacheInstArray(pCsr)) ){
+ *pnInst = pCsr->nInstCount;
+ }
+ return rc;
+}
+
+static int fts5ApiInst(
+ Fts5Context *pCtx,
+ int iIdx,
+ int *piPhrase,
+ int *piCol,
+ int *piOff
+){
+ Fts5Cursor *pCsr = (Fts5Cursor*)pCtx;
+ int rc;
+ if( SQLITE_OK==(rc = fts5CacheInstArray(pCsr)) ){
+ if( iIdx<0 || iIdx>=pCsr->nInstCount ){
+ rc = SQLITE_RANGE;
+ }else{
+ *piPhrase = pCsr->aInst[iIdx*3];
+ *piCol = pCsr->aInst[iIdx*3 + 1];
+ *piOff = pCsr->aInst[iIdx*3 + 2];
+ }
+ }
+ return rc;
+}
+
static sqlite3_int64 fts5ApiRowid(Fts5Context *pCtx){
return fts5CursorRowid((Fts5Cursor*)pCtx);
}
){
Fts5Cursor *pCsr = (Fts5Cursor*)pCtx;
const u8 *a; int n; /* Poslist for phrase iPhrase */
- if( pCsr->pSorter ){
- Fts5Sorter *pSorter = pCsr->pSorter;
- int i1 = (iPhrase==0 ? 0 : pSorter->aIdx[iPhrase-1]);
- n = pSorter->aIdx[iPhrase] - i1;
- a = &pSorter->aPoslist[i1];
- }else{
- n = sqlite3Fts5ExprPoslist(pCsr->pExpr, iPhrase, &a);
- }
+ n = fts5CsrPoslist(pCsr, iPhrase, &a);
return sqlite3Fts5PoslistNext64(a, n, pi, piPos);
}
fts5ApiTokenize,
fts5ApiPhraseCount,
fts5ApiPhraseSize,
+ fts5ApiInstCount,
+ fts5ApiInst,
fts5ApiRowid,
fts5ApiColumnText,
fts5ApiColumnSize,
** Returns the number of tokens in phrase iPhrase of the query. Phrases
** are numbered starting from zero.
**
+** xInstCount:
+** Set *pnInst to the total number of occurrences of all phrases within
+** the query within the current row. Return SQLITE_OK if successful, or
+** an error code (i.e. SQLITE_NOMEM) if an error occurs.
+**
+** xInst:
+** Query for the details of phrase match iIdx within the current row.
+** Phrase matches are numbered starting from zero, so the iIdx argument
+** should be greater than or equal to zero and smaller than the value
+** output by xInstCount().
+**
+** Returns SQLITE_OK if successful, or an error code (i.e. SQLITE_NOMEM)
+** if an error occurs.
+**
** xRowid:
** Returns the rowid of the current row.
**
** xPoslist:
-** Iterate through instances of phrase iPhrase in the current row.
+** Iterate through phrase instances in the current row. If the iPhrase
+** argument is 0 or greater, then only instances of phrase iPhrase are
+** visited. If it is less than 0, instances of all phrases are visited.
+**
+** At EOF, -1 is returned and output variable iPos set to -1.
+**
+** </pre>
+** sqlite3_int64 iPos;
+** int iPhrase;
+** int ii = 0;
+**
+** while( (iPhrase = pFts->xPoslist(pFts, -1, &ii, &iPos) >= 0 ){
+** int iCol = FTS5_POS2COLUMN(iPos);
+** int iOff = FTS5_POS2OFFSET(iPos);
+** // An instance of phrase iPhrase at offset iOff of column iCol.
+** }
+** </pre>
**
-** At EOF, a non-zero value is returned and output variable iPos set to -1.
**
** xTokenize:
** Tokenize text using the tokenizer belonging to the FTS5 table.
int (*xPhraseCount)(Fts5Context*);
int (*xPhraseSize)(Fts5Context*, int iPhrase);
+ int (*xInstCount)(Fts5Context*, int *pnInst);
+ int (*xInst)(Fts5Context*, int iIdx, int *piPhrase, int *piCol, int *piOff);
+
sqlite3_int64 (*xRowid)(Fts5Context*);
int (*xColumnText)(Fts5Context*, int iCol, const char **pz, int *pn);
int (*xColumnSize)(Fts5Context*, int iCol, int *pnToken);
*/
int sqlite3Fts5IndexReads(Fts5Index *p);
+/* Malloc utility */
+void *sqlite3Fts5MallocZero(int *pRc, int nByte);
+
/*
** End of interface to code in fts5_index.c.
**************************************************************************/
#include "fts5Int.h"
#include <math.h>
+/*************************************************************************
+** Start of highlight() implementation.
+*/
+typedef struct HighlightContext HighlightContext;
+struct HighlightContext {
+ const Fts5ExtensionApi *pApi; /* API offered by current FTS version */
+ Fts5Context *pFts; /* First arg to pass to pApi functions */
+ int iInst; /* Current phrase instance index */
+ int iStart; /* First token of current phrase */
+ int iEnd; /* Last token of current phrase */
+
+ const char *zOpen; /* Opening highlight */
+ const char *zClose; /* Closing highlight */
+ int iCol; /* Column to read from */
+
+ const char *zIn; /* Input text */
+ int nIn; /* Size of input text in bytes */
+ int iOff; /* Current offset within zIn[] */
+ char *zOut; /* Output value */
+};
+
+static int fts5HighlightAppend(HighlightContext *p, const char *z, int n){
+ if( n<0 ) n = strlen(z);
+ p->zOut = sqlite3_mprintf("%z%.*s", p->zOut, n, z);
+ if( p->zOut==0 ) return SQLITE_NOMEM;
+ return SQLITE_OK;
+}
+
+static int fts5HighlightCb(
+ void *pContext, /* Pointer to HighlightContext object */
+ const char *pToken, /* Buffer containing token */
+ int nToken, /* Size of token in bytes */
+ int iStart, /* Start offset of token */
+ int iEnd, /* End offset of token */
+ int iPos /* Position offset of token */
+){
+ HighlightContext *p = (HighlightContext*)pContext;
+ int rc = SQLITE_OK;
+
+ if( iPos==p->iStart ){
+ rc = fts5HighlightAppend(p, &p->zIn[p->iOff], iStart - p->iOff);
+ p->iOff = iStart;
+ if( rc==SQLITE_OK ){
+ rc = fts5HighlightAppend(p, p->zOpen, -1);
+ }
+ }
+
+ if( rc==SQLITE_OK ){
+ rc = fts5HighlightAppend(p, &p->zIn[p->iOff], iEnd - p->iOff);
+ p->iOff = iEnd;
+ }
+
+ if( rc==SQLITE_OK && iPos==p->iEnd ){
+ int bClose = 1;
+ do{
+ int iP, iPCol, iOff;
+ rc = p->pApi->xInst(p->pFts, ++p->iInst, &iP, &iPCol, &iOff);
+ if( rc==SQLITE_RANGE || iPCol!=p->iCol ){
+ p->iStart = -1;
+ p->iEnd = -1;
+ rc = SQLITE_OK;
+ }else{
+ iEnd = iOff - 1 + p->pApi->xPhraseSize(p->pFts, iP);
+ if( iEnd<=p->iEnd ) continue;
+ if( iOff<=p->iEnd ) bClose = 0;
+ p->iStart = iOff;
+ p->iEnd = iEnd;
+ }
+ }while( 0 );
+
+ if( rc==SQLITE_OK && bClose ){
+ rc = fts5HighlightAppend(p, p->zClose, -1);
+ }
+ }
+
+ return rc;
+}
+
+static void fts5HighlightFunction(
+ 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 */
+){
+ HighlightContext ctx;
+ int rc;
+
+ if( nVal!=3 ){
+ const char *zErr = "wrong number of arguments to function highlight()";
+ sqlite3_result_error(pCtx, zErr, -1);
+ return;
+ }
+ memset(&ctx, 0, sizeof(HighlightContext));
+ ctx.iCol = sqlite3_value_int(apVal[0]);
+ ctx.zOpen = (const char*)sqlite3_value_text(apVal[1]);
+ ctx.zClose = (const char*)sqlite3_value_text(apVal[2]);
+ rc = pApi->xColumnText(pFts, ctx.iCol, &ctx.zIn, &ctx.nIn);
+ ctx.pApi = pApi;
+ ctx.pFts = pFts;
+
+ /* Find the first phrase instance in the right column. */
+ ctx.iStart = -1;
+ ctx.iEnd = -1;
+ while( rc==SQLITE_OK ){
+ int iP, iPCol, iOff;
+ rc = pApi->xInst(pFts, ctx.iInst, &iP, &iPCol, &iOff);
+ if( rc==SQLITE_OK && iPCol==ctx.iCol ){
+ ctx.iStart = iOff;
+ ctx.iEnd = iOff - 1 + pApi->xPhraseSize(pFts, iP);
+ break;
+ }
+ ctx.iInst++;
+ }
+
+ if( rc==SQLITE_OK || rc==SQLITE_RANGE ){
+ rc = pApi->xTokenize(pFts, ctx.zIn, ctx.nIn, (void*)&ctx, fts5HighlightCb);
+ }
+ if( rc==SQLITE_OK ){
+ rc = fts5HighlightAppend(&ctx, &ctx.zIn[ctx.iOff], ctx.nIn - ctx.iOff);
+ }
+
+ if( rc==SQLITE_OK ){
+ sqlite3_result_text(pCtx, (const char*)ctx.zOut, -1, SQLITE_TRANSIENT);
+ }else{
+ sqlite3_result_error_code(pCtx, rc);
+ }
+ sqlite3_free(ctx.zOut);
+}
+/*
+**************************************************************************/
+
typedef struct SnipPhrase SnipPhrase;
typedef struct SnipIter SnipIter;
typedef struct SnippetCtx SnippetCtx;
}
}
+ /*
+ ** xInst()
+ */
+ if( zReq==0 ) sqlite3Fts5BufferAppendPrintf(&rc, &s, " inst ");
+ if( 0==zReq || 0==sqlite3_stricmp(zReq, "inst") ){
+ int nInst;
+ rc = pApi->xInstCount(pFts, &nInst);
+ for(i=0; rc==SQLITE_OK && i<nInst; i++){
+ int iPhrase, iCol, iOff;
+ rc = pApi->xInst(pFts, i, &iPhrase, &iCol, &iOff);
+ sqlite3Fts5BufferAppendPrintf(&rc, &s, "%s%d.%d.%d",
+ (i==0 ? "" : " "), iPhrase, iCol, iOff
+ );
+ }
+ }
+
/*
** xPhraseCount()
*/
{ "bm25debug", (void*)1, fts5Bm25Function, 0 },
{ "snippet", 0, fts5SnippetFunction, 0 },
{ "fts5_test", 0, fts5TestFunction, 0 },
+ { "highlight", 0, fts5HighlightFunction, 0 },
{ "bm25", 0, fts5Bm25Function, 0 },
};
return pRet;
}
-static void *fts5MallocZero(int *pRc, int nByte){
+void *sqlite3Fts5MallocZero(int *pRc, int nByte){
void *pRet = 0;
if( *pRc==SQLITE_OK ){
pRet = sqlite3_malloc(nByte);
sizeof(Fts5Structure) + /* Main structure */
sizeof(Fts5StructureLevel) * (nLevel) /* aLevel[] array */
);
- pRet = (Fts5Structure*)fts5MallocZero(&rc, nByte);
+ pRet = (Fts5Structure*)sqlite3Fts5MallocZero(&rc, nByte);
if( pRet ){
pRet->nLevel = nLevel;
i += getVarint32(&pData[i], pLvl->nMerge);
i += getVarint32(&pData[i], nTotal);
assert( nTotal>=pLvl->nMerge );
- pLvl->aSeg = (Fts5StructureSegment*)fts5MallocZero(&rc,
+ pLvl->aSeg = (Fts5StructureSegment*)sqlite3Fts5MallocZero(&rc,
nTotal * sizeof(Fts5StructureSegment)
);
-C Fix\sthe\scustomization\sinterfaces\sso\sthat\sthey\smatch\sthe\sdocumentation.
-D 2014-11-15T20:07:31.166
+C Add\sthe\sauxiliary\shighlight()\sfunction\sto\sfts5.
+D 2014-11-24T16:24:33.456
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in b03432313a3aad96c706f8164fb9f5307eaf19f5
F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
F ext/fts3/unicode/UnicodeData.txt cd07314edb62d49fde34debdaf92fa2aa69011e7
F ext/fts3/unicode/mkunicode.tcl dc6f268eb526710e2c6e496c372471d773d0c368
F ext/fts5/extract_api_docs.tcl 6320db4a1d0722a4e2069e661381ad75e9889786
-F ext/fts5/fts5.c cc3f0e4bac499c81d1311199f929dcad5e40ee8e
-F ext/fts5/fts5.h a77cad780eec8f10850fdba0f44079a92561b790
-F ext/fts5/fts5Int.h a3c46f9dae13277de6fc3a6f8863d337ca660d6a
-F ext/fts5/fts5_aux.c 6b0612e4312ca27264f7dacb0c97abc723a4b472
+F ext/fts5/fts5.c d4b9895c5dc11c20493b3a9f09f4a0cdb0bc1438
+F ext/fts5/fts5.h 72fc1e9995b1ddc254a487b9528614a83bd3dfb6
+F ext/fts5/fts5Int.h fd811979294410b10c1737392a9114510fc2a1be
+F ext/fts5/fts5_aux.c 2e467bdd93f23f049824411b326f77b9326cb61a
F ext/fts5/fts5_buffer.c 248c61ac9fec001602efc72a45704f3b8d367c00
F ext/fts5/fts5_config.c a292fe73864086e51e7974d842cc09f6379fbae0
F ext/fts5/fts5_expr.c d317be07d70223a6865444f17982570260b690a5
F ext/fts5/fts5_hash.c 63fa8379c5f2ac107d47c2b7d9ac04c95ef8a279
-F ext/fts5/fts5_index.c 3f4d84a1762e4284319739d4672b90b18b91060a
+F ext/fts5/fts5_index.c 998c4aa0f003666afe85b6ff821476419ed245e9
F ext/fts5/fts5_storage.c 5913aa01a1dada1c5e1a39e4cbb44e84c5f7f350
F ext/fts5/fts5_tokenize.c 8360c0d1ae0d4696f3cc13f7c67a2db6011cdc5b
F ext/fts5/fts5parse.y 777da8e5819f75c217982c79c29d014c293acac9
F test/fts5ab.test 657d6dc5ddc57bfea4af1bb85204d4f3539cd3e8
F test/fts5ac.test f38ceca8a43fa0ff86122bec72428a4067b17bc4
F test/fts5ad.test d29ff407c70df470c9a8fcbfe5bc80efd662f2c4
-F test/fts5ae.test d4141786d817e0198f89f8c66749af38359839a7
+F test/fts5ae.test a514ee09be90723ccc9736edaef900a5af1c121a
F test/fts5af.test d24e3b0f879998ef5f60087272f8ab7b3a8fd4dc
F test/fts5ag.test 1c6c188d1bdc41b2277db3f4ddfea7d90bf44ceb
F test/fts5ah.test af9274cdb58a69780c7e57e61581990665ac0fb6
F test/fts5ai.test aa2b5fd0f8d2cf59ac0211111e63cbca3b40ed7d
F test/fts5aj.test fe5c40216cac8072f29e454ee0540c7b89d17ccd
+F test/fts5ak.test 2c930afe32bd15b39a2c416fabe9fc7a36e3042e
F test/fts5ea.test afaf3497b43add578384dc1fd26b0342738abe87
F test/full.test 6b3c8fb43c6beab6b95438c1675374b95fab245d
F test/func.test ae97561957aba6ca9e3a7b8a13aac41830d701ef
F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32
F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P e240d467e60b7755486aae5e8b0824f7c741f852
-R 28baa98ae078d2f041a83a26b4550455
+P fba0b5fc7eead07a4853e78e02d788e7c714f6cd
+R 0f9755027ecd37d1e64800649e8a07f5
U dan
-Z 1c1b566687b968f39cda6c2d32a692b6
+Z 35a88e8d2ae30031588d0943e2aec6ce
-fba0b5fc7eead07a4853e78e02d788e7c714f6cd
\ No newline at end of file
+059092379f981eb919b500ce447006f9e645fc5a
\ No newline at end of file
SELECT rowid FROM t8 WHERE t8 MATCH $q ORDER BY +rank DESC;
} $res
- do_execsql_test 8.3.$tn.3 {
+ do_execsql_test 8.2.$tn.3 {
SELECT rowid FROM t8 WHERE t8 MATCH $q ORDER BY rank DESC;
} $res
}
--- /dev/null
+# 2014 November 24
+#
+# 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.
+#
+#*************************************************************************
+# This file implements regression tests for SQLite library. The
+# focus of this script is testing the FTS5 module.
+#
+# Specifically, the auxiliary function "highlight".
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix fts5aj
+
+# If SQLITE_ENABLE_FTS5 is defined, omit this file.
+ifcapable !fts5 {
+ finish_test
+ return
+}
+
+do_execsql_test 1.1 {
+ CREATE VIRTUAL TABLE ft1 USING fts5(x);
+ INSERT INTO ft1 VALUES('i d d a g i b g d d');
+ INSERT INTO ft1 VALUES('h d b j c c g a c a');
+ INSERT INTO ft1 VALUES('e j a e f h b f h h');
+ INSERT INTO ft1 VALUES('j f h d g h i b d f');
+ INSERT INTO ft1 VALUES('d c j d c j b c g e');
+ INSERT INTO ft1 VALUES('i a d e g j g d a a');
+ INSERT INTO ft1 VALUES('j f c e d a h j d b');
+ INSERT INTO ft1 VALUES('i c c f a d g h j e');
+ INSERT INTO ft1 VALUES('i d i g c d c h b f');
+ INSERT INTO ft1 VALUES('g d a e h a b c f j');
+}
+
+do_execsql_test 1.2 {
+ SELECT highlight(ft1, 0, '[', ']') FROM ft1 WHERE ft1 MATCH 'e';
+} {
+ {g d a [e] h a b c f j}
+ {i c c f a d g h j [e]}
+ {j f c [e] d a h j d b}
+ {i a d [e] g j g d a a}
+ {d c j d c j b c g [e]}
+ {[e] j a [e] f h b f h h}
+}
+
+do_execsql_test 1.3 {
+ SELECT highlight(ft1, 0, '[', ']') FROM ft1 WHERE ft1 MATCH 'h + d';
+} {
+ {j f [h d] g h i b d f}
+ {[h d] b j c c g a c a}
+}
+
+do_execsql_test 1.4 {
+ SELECT highlight(ft1, 0, '[', ']') FROM ft1 WHERE ft1 MATCH 'd + d';
+} {
+ {i [d d] a g i b g [d d]}
+}
+
+do_execsql_test 1.5 {
+ SELECT highlight(ft1, 0, '[', ']') FROM ft1 WHERE ft1 MATCH 'e e e'
+} {
+ {g d a [e] h a b c f j}
+ {i c c f a d g h j [e]}
+ {j f c [e] d a h j d b}
+ {i a d [e] g j g d a a}
+ {d c j d c j b c g [e]}
+ {[e] j a [e] f h b f h h}
+}
+
+do_execsql_test 1.6 {
+ SELECT highlight(ft1, 0, '[', ']') FROM ft1 WHERE ft1 MATCH 'd + d d + d';
+} {
+ {i [d d] a g i b g [d d]}
+}
+
+do_execsql_test 2.1 {
+ CREATE VIRTUAL TABLE ft2 USING fts5(x);
+ INSERT INTO ft2 VALUES('a b c d e f g h i j');
+}
+
+do_execsql_test 2.2 {
+ SELECT highlight(ft2, 0, '[', ']') FROM ft2 WHERE ft2 MATCH 'b+c+d c+d+e'
+} {{a [b c d e] f g h i j}}
+
+do_execsql_test 2.3 {
+ SELECT highlight(ft2, 0, '[', ']') FROM ft2 WHERE ft2 MATCH 'b+c+d e+f+g'
+} {
+ {a [b c d] [e f g] h i j}
+}
+
+do_execsql_test 2.4 {
+ SELECT highlight(ft2, 0, '[', ']') FROM ft2 WHERE ft2 MATCH 'b+c+d c'
+} {
+ {a [b c d] e f g h i j}
+}
+
+do_execsql_test 2.5 {
+ SELECT highlight(ft2, 0, '[', ']') FROM ft2 WHERE ft2 MATCH 'b+c c+d+e'
+} {
+ {a [b c d e] f g h i j}
+}
+
+
+finish_test
+