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Overview
| Comment: | 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. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | fts4-incr-merge |
| Files: | files | file ages | folders |
| SHA1: | 04aea0245e4183fef3664609f5a6353b |
| User & Date: | drh 2012-03-27 14:54:44 |
Context
|
2012-03-27
| ||
| 15:00 | Remove the fts3merge.test script in favour of changing the fts4merge.test script so that it runs tests using both fts4 and fts3. Fix some problems with incr-merge and FTS3 tables. check-in: 5c447e22 user: dan tags: fts4-incr-merge | |
| 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 | |
Changes
Changes to ext/fts3/tool/fts3view.c.
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static void printTreeLine(sqlite3_int64 iLower, sqlite3_int64 iUpper){
printf(" tree %9lld", iLower);
if( iUpper>iLower ){
printf(" thru %9lld (%lld blocks)", iUpper, iUpper-iLower+1);
}
printf("\n");
}
/*
** Show a map of segments derived from the %_segdir table.
*/
static void showSegdirMap(sqlite3 *db, const char *zTab){
int mxIndex, iIndex;
sqlite3_stmt *pStmt = 0;
................................................................................
prevLevel = -1;
while( sqlite3_step(pStmt)==SQLITE_ROW ){
int iLevel = sqlite3_column_int(pStmt, 0)%1024;
int iIdx = sqlite3_column_int(pStmt, 1);
sqlite3_int64 iStart = sqlite3_column_int64(pStmt, 2);
sqlite3_int64 iLEnd = sqlite3_column_int64(pStmt, 3);
sqlite3_int64 iEnd = sqlite3_column_int64(pStmt, 4);
if( iLevel!=prevLevel ){
printf("level %2d idx %2d", iLevel, iIdx);
prevLevel = iLevel;
}else{
printf(" idx %2d", iIdx);
}
printf(" root r%lld\n", sqlite3_column_int64(pStmt, 5));
if( iLEnd>iStart ){
sqlite3_int64 iLower, iPrev, iX;
if( iLEnd+1<=iEnd ){
sqlite3_bind_int64(pStmt2, 1, iLEnd+1);
sqlite3_bind_int64(pStmt2, 2, iEnd);
iLower = -1;
while( sqlite3_step(pStmt2)==SQLITE_ROW ){
................................................................................
iPrev = iX;
}else{
printTreeLine(iLower, iPrev);
iLower = iPrev = iX;
}
}
sqlite3_reset(pStmt2);
if( iLower>=0 ) printTreeLine(iLower, iPrev);
}
printf(" leaves %9lld thru %9lld (%lld blocks)\n",
iStart, iLEnd, iLEnd - iStart + 1);
}
}
sqlite3_reset(pStmt);
}
|
> > > > > > > > > > > > > > > > > > | > > > > > > > | > > |
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static void printTreeLine(sqlite3_int64 iLower, sqlite3_int64 iUpper){
printf(" tree %9lld", iLower);
if( iUpper>iLower ){
printf(" thru %9lld (%lld blocks)", iUpper, iUpper-iLower+1);
}
printf("\n");
}
/*
** Check to see if the block of a %_segments entry is NULL.
*/
static int isNullSegment(sqlite3 *db, const char *zTab, sqlite3_int64 iBlockId){
sqlite3_stmt *pStmt;
int rc = 1;
pStmt = prepare(db, "SELECT block IS NULL FROM '%q_segments'"
" WHERE blockid=%lld", zTab, iBlockId);
if( sqlite3_step(pStmt)==SQLITE_ROW ){
rc = sqlite3_column_int(pStmt, 0);
}
sqlite3_finalize(pStmt);
return rc;
}
/*
** Show a map of segments derived from the %_segdir table.
*/
static void showSegdirMap(sqlite3 *db, const char *zTab){
int mxIndex, iIndex;
sqlite3_stmt *pStmt = 0;
................................................................................
prevLevel = -1;
while( sqlite3_step(pStmt)==SQLITE_ROW ){
int iLevel = sqlite3_column_int(pStmt, 0)%1024;
int iIdx = sqlite3_column_int(pStmt, 1);
sqlite3_int64 iStart = sqlite3_column_int64(pStmt, 2);
sqlite3_int64 iLEnd = sqlite3_column_int64(pStmt, 3);
sqlite3_int64 iEnd = sqlite3_column_int64(pStmt, 4);
char rtag[20];
if( iLevel!=prevLevel ){
printf("level %2d idx %2d", iLevel, iIdx);
prevLevel = iLevel;
}else{
printf(" idx %2d", iIdx);
}
sqlite3_snprintf(sizeof(rtag), rtag, "r%lld",
sqlite3_column_int64(pStmt,5));
printf(" root %9s\n", rtag);
if( iLEnd>iStart ){
sqlite3_int64 iLower, iPrev, iX;
if( iLEnd+1<=iEnd ){
sqlite3_bind_int64(pStmt2, 1, iLEnd+1);
sqlite3_bind_int64(pStmt2, 2, iEnd);
iLower = -1;
while( sqlite3_step(pStmt2)==SQLITE_ROW ){
................................................................................
iPrev = iX;
}else{
printTreeLine(iLower, iPrev);
iLower = iPrev = iX;
}
}
sqlite3_reset(pStmt2);
if( iLower>=0 ){
if( iLower==iPrev && iLower==iEnd
&& isNullSegment(db,zTab,iLower)
){
printf(" null %9lld\n", iLower);
}else{
printTreeLine(iLower, iPrev);
}
}
}
printf(" leaves %9lld thru %9lld (%lld blocks)\n",
iStart, iLEnd, iLEnd - iStart + 1);
}
}
sqlite3_reset(pStmt);
}
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