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Overview
| Comment: | Add a comment to fts3_snippet.c. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
b5f5ba3103e6fcf117fb69d5379fa70f |
| User & Date: | dan 2012-10-17 20:28:52.286 |
Context
|
2012-10-18
| ||
| 15:01 | Merge Watcom compiler warning fixes into trunk. (check-in: 5be96788a1 user: drh tags: trunk) | |
| 09:39 | Fix harmless compiler warnings. (check-in: 018e09c703 user: mistachkin tags: warnings) | |
|
2012-10-17
| ||
| 20:28 | Add a comment to fts3_snippet.c. (check-in: b5f5ba3103 user: dan tags: trunk) | |
| 20:15 | Initialize variables used as outputs of custom tokenizer method calls in fts4. (check-in: 514505a84b user: dan tags: trunk) | |
Changes
Changes to ext/fts3/fts3_snippet.c.
| ︙ | ︙ | |||
640 641 642 643 644 645 646 647 648 649 650 651 652 653 |
while( rc==SQLITE_OK ){
const char *ZDUMMY; /* Dummy argument used with tokenizer */
int DUMMY1 = -1; /* Dummy argument used with tokenizer */
int iBegin = 0; /* Offset in zDoc of start of token */
int iFin = 0; /* Offset in zDoc of end of token */
int isHighlight = 0; /* True for highlighted terms */
rc = pMod->xNext(pC, &ZDUMMY, &DUMMY1, &iBegin, &iFin, &iCurrent);
if( rc!=SQLITE_OK ){
if( rc==SQLITE_DONE ){
/* Special case - the last token of the snippet is also the last token
** of the column. Append any punctuation that occurred between the end
** of the previous token and the end of the document to the output.
** Then break out of the loop. */
| > > > > > > > > > > > | 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 |
while( rc==SQLITE_OK ){
const char *ZDUMMY; /* Dummy argument used with tokenizer */
int DUMMY1 = -1; /* Dummy argument used with tokenizer */
int iBegin = 0; /* Offset in zDoc of start of token */
int iFin = 0; /* Offset in zDoc of end of token */
int isHighlight = 0; /* True for highlighted terms */
/* Variable DUMMY1 is initialized to a negative value above. Elsewhere
** in the FTS code the variable that the third argument to xNext points to
** is initialized to zero before the first (*but not necessarily
** subsequent*) call to xNext(). This is done for a particular application
** that needs to know whether or not the tokenizer is being used for
** snippet generation or for some other purpose.
**
** Extreme care is required when writing code to depend on this
** initialization. It is not a documented part of the tokenizer interface.
** If a tokenizer is used directly by any code outside of FTS, this
** convention might not be respected. */
rc = pMod->xNext(pC, &ZDUMMY, &DUMMY1, &iBegin, &iFin, &iCurrent);
if( rc!=SQLITE_OK ){
if( rc==SQLITE_DONE ){
/* Special case - the last token of the snippet is also the last token
** of the column. Append any punctuation that occurred between the end
** of the previous token and the end of the document to the output.
** Then break out of the loop. */
|
| ︙ | ︙ |