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Overview
| Comment: | Enhance the fts3view tool with the big-segment command and fix a bug in the display of doclists. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | fts4-incr-merge |
| Files: | files | file ages | folders |
| SHA1: | e9436d8038e5a0d1ba992a77d1064d4a |
| User & Date: | drh 2012-03-27 13:51:31 |
Context
|
2012-03-27
| ||
| 14:54 | In the fts3view utility, label the blank segments used to mark the end of a segment sequence for a level/idx as "null". Improve the alignment of root segment names. check-in: 04aea024 user: drh tags: fts4-incr-merge | |
| 13:51 | Enhance the fts3view tool with the big-segment command and fix a bug in the display of doclists. check-in: e9436d80 user: drh tags: fts4-incr-merge | |
| 13:44 | Merge the fts4-incr-merge-exp branch with fts4-incr-merge. check-in: eb00b958 user: dan tags: fts4-incr-merge | |
Changes
Changes to ext/fts3/tool/fts3view.c.
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i += getVarint(aData+i, &iCol);
printf(" col%lld", iCol);
iPrevPos = 0;
}else if( iPos==0 ){
printf("\n");
break;
}else{
printf(" %lld", iPrevPos + iPos - 2);
iPrevPos = iPos - 2;
}
}
}
}
/*
................................................................................
printBlob(aData+offset, nData);
}else{
decodeDoclist(aData+offset, nData);
}
sqlite3_finalize(pStmt);
}
static void usage(const char *argv0){
fprintf(stderr, "Usage: %s DATABASE\n"
" or: %s DATABASE FTS3TABLE ARGS...\n", argv0, argv0);
fprintf(stderr,
"ARGS:\n"
" doclist BLOCKID OFFSET SIZE [--raw] Decode a doclist\n"
" schema FTS table schema\n"
" segdir directory of segments\n"
" segment BLOCKID [--raw] content of a segment\n"
" segment-stats info on segment sizes\n"
" stat the %%_stat table\n"
" vocabulary [--top N] document vocabulary\n"
................................................................................
return 0;
}
if( argc<4 ) usage(argv[0]);
zTab = argv[2];
zCmd = argv[3];
nExtra = argc-4;
azExtra = argv+4;
if( strcmp(zCmd,"doclist")==0 ){
if( argc<7 ) usage(argv[0]);
showDoclist(db, zTab);
}else if( strcmp(zCmd,"schema")==0 ){
showSchema(db, zTab);
}else if( strcmp(zCmd,"segdir")==0 ){
showSegdirMap(db, zTab);
}else if( strcmp(zCmd,"segment")==0 ){
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i += getVarint(aData+i, &iCol);
printf(" col%lld", iCol);
iPrevPos = 0;
}else if( iPos==0 ){
printf("\n");
break;
}else{
iPrevPos += iPos - 2;
printf(" %lld", iPrevPos);
}
}
}
}
/*
................................................................................
printBlob(aData+offset, nData);
}else{
decodeDoclist(aData+offset, nData);
}
sqlite3_finalize(pStmt);
}
/*
** Show the top N largest segments
*/
static void listBigSegments(sqlite3 *db, const char *zTab){
int nTop, i;
sqlite3_stmt *pStmt;
sqlite3_int64 sz;
sqlite3_int64 id;
nTop = atoi(findOption("top", 1, "25"));
printf("The %d largest segments:\n", nTop);
pStmt = prepare(db,
"SELECT blockid, length(block) AS len FROM '%q_segments'"
" ORDER BY 2 DESC, 1"
" LIMIT %d", zTab, nTop);
i = 0;
while( sqlite3_step(pStmt)==SQLITE_ROW ){
i++;
id = sqlite3_column_int64(pStmt, 0);
sz = sqlite3_column_int64(pStmt, 1);
printf(" %2d. %9lld size %lld\n", i, id, sz);
}
sqlite3_finalize(pStmt);
}
static void usage(const char *argv0){
fprintf(stderr, "Usage: %s DATABASE\n"
" or: %s DATABASE FTS3TABLE ARGS...\n", argv0, argv0);
fprintf(stderr,
"ARGS:\n"
" big-segments [--top N] show the largest segments\n"
" doclist BLOCKID OFFSET SIZE [--raw] Decode a doclist\n"
" schema FTS table schema\n"
" segdir directory of segments\n"
" segment BLOCKID [--raw] content of a segment\n"
" segment-stats info on segment sizes\n"
" stat the %%_stat table\n"
" vocabulary [--top N] document vocabulary\n"
................................................................................
return 0;
}
if( argc<4 ) usage(argv[0]);
zTab = argv[2];
zCmd = argv[3];
nExtra = argc-4;
azExtra = argv+4;
if( strcmp(zCmd,"big-segments")==0 ){
listBigSegments(db, zTab);
}else if( strcmp(zCmd,"doclist")==0 ){
if( argc<7 ) usage(argv[0]);
showDoclist(db, zTab);
}else if( strcmp(zCmd,"schema")==0 ){
showSchema(db, zTab);
}else if( strcmp(zCmd,"segdir")==0 ){
showSegdirMap(db, zTab);
}else if( strcmp(zCmd,"segment")==0 ){
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