/*
** Print the content of a segment or of the root of a segdir. The segment
** or root is identified by azExtra[0]. If the first character of azExtra[0]
** is 'r' then the remainder is the integer rowid of the %_segdir entry.
** If the first character of azExtra[0] is not 'r' then, then all of
** azExtra[0] is an integer which is the block number.
**
** If the --raw option is present in azExtra, then a hex dump is provided.
** Otherwise a decoding is shown.
*/
static void showSegment(sqlite3 *db, const char *zTab) {
const unsigned char *aData;
int nData;
sqlite3_stmt *pStmt;
pStmt = prepareToGetSegment(db, zTab, azExtra[0]);
if( sqlite3_step(pStmt)!=SQLITE_ROW ) {
sqlite3_finalize(pStmt);
return;
}
nData = sqlite3_column_bytes(pStmt, 0);
aData = sqlite3_column_blob(pStmt, 0);
printf("Segment %s of size %d bytes:\n", azExtra[0], nData);
if( findOption("raw", 0, 0)!=0 ) {
printBlob(aData, nData);
} else {
decodeSegment(aData, nData);
}
sqlite3_finalize(pStmt);
}
/*
** Print the content of a doclist. The segment or segdir-root is
** identified by azExtra[0]. If the first character of azExtra[0]
** is 'r' then the remainder is the integer rowid of the %_segdir entry.
** If the first character of azExtra[0] is not 'r' then, then all of
** azExtra[0] is an integer which is the block number. The offset
** into the segment is identified by azExtra[1]. The size of the doclist
** is azExtra[2].
**
** If the --raw option is present in azExtra, then a hex dump is provided.
** Otherwise a decoding is shown.
*/
static void showDoclist(sqlite3 *db, const char *zTab){
const unsigned char *aData;
sqlite3_int64 offset, nData;
sqlite3_stmt *pStmt;
offset = atoi64(azExtra[1]);
nData = atoi64(azExtra[2]);
pStmt = prepareToGetSegment(db, zTab, azExtra[0]);
if( sqlite3_step(pStmt)!=SQLITE_ROW ){
sqlite3_finalize(pStmt);
return;
}
aData = sqlite3_column_blob(pStmt, 0);
printf("Doclist at %s offset %lld of size %lld bytes:\n",
azExtra[0], offset, nData);
if( findOption("raw", 0, 0)!=0 ){
printBlob(aData+offset, nData);
}else{
decodeDoclist(aData+offset, nData);
}
sqlite3_finalize(pStmt);
}