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Overview
| Comment: | Remove an incorrect assert() statement. Fix a const-related warning. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | fts4-incr-merge |
| Files: | files | file ages | folders |
| SHA1: | 96ed47493b3d46344fd2105642f31690 |
| User & Date: | dan 2012-03-23 14:38:49 |
Context
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2012-03-23
| ||
| 15:38 | Add a test to verify that sqlite3_total_changes() works with incr-merge operations. check-in: 1c72cecc user: dan tags: fts4-incr-merge | |
| 14:38 | Remove an incorrect assert() statement. Fix a const-related warning. check-in: 96ed4749 user: dan tags: fts4-incr-merge | |
| 13:40 | Fix another test case issue in trace2.test. check-in: 02a8e423 user: dan tags: fts4-incr-merge | |
Changes
Changes to ext/fts3/fts3_write.c.
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Fts3MultiSegReader *pCsr /* Cursor object to populate */
){
int rc; /* Return Code */
sqlite3_stmt *pStmt = 0; /* Statement used to read %_segdir entry */
int nByte; /* Bytes allocated at pCsr->apSegment[] */
/* Allocate space for the Fts3MultiSegReader.aCsr[] array */
assert( nSeg>=2 );
memset(pCsr, 0, sizeof(*pCsr));
nByte = sizeof(Fts3SegReader *) * nSeg;
pCsr->apSegment = (Fts3SegReader **)sqlite3_malloc(nByte);
if( pCsr->apSegment==0 ){
rc = SQLITE_NOMEM;
}else{
................................................................................
*pnMerge = 0;
*piAbsLevel = 0;
rc = fts3SqlStmt(p, SQL_SELECT_STAT, &pSelect, 0);
if( rc==SQLITE_OK ){
sqlite3_bind_int(pSelect, 1, FTS_STAT_INCRMERGEHINT);
if( SQLITE_ROW==sqlite3_step(pSelect) ){
char *aHint = sqlite3_column_blob(pSelect, 0);
int nHint = sqlite3_column_bytes(pSelect, 0);
if( aHint ){
int i;
char aBlob[FTS3_VARINT_MAX * 2];
memcpy(aBlob, aHint, MAX(sizeof(aBlob), nHint));
i = sqlite3Fts3GetVarint(aBlob, piAbsLevel);
sqlite3Fts3GetVarint32(&aBlob[i], pnMerge);
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Fts3MultiSegReader *pCsr /* Cursor object to populate */
){
int rc; /* Return Code */
sqlite3_stmt *pStmt = 0; /* Statement used to read %_segdir entry */
int nByte; /* Bytes allocated at pCsr->apSegment[] */
/* Allocate space for the Fts3MultiSegReader.aCsr[] array */
memset(pCsr, 0, sizeof(*pCsr));
nByte = sizeof(Fts3SegReader *) * nSeg;
pCsr->apSegment = (Fts3SegReader **)sqlite3_malloc(nByte);
if( pCsr->apSegment==0 ){
rc = SQLITE_NOMEM;
}else{
................................................................................
*pnMerge = 0;
*piAbsLevel = 0;
rc = fts3SqlStmt(p, SQL_SELECT_STAT, &pSelect, 0);
if( rc==SQLITE_OK ){
sqlite3_bind_int(pSelect, 1, FTS_STAT_INCRMERGEHINT);
if( SQLITE_ROW==sqlite3_step(pSelect) ){
const char *aHint = sqlite3_column_blob(pSelect, 0);
int nHint = sqlite3_column_bytes(pSelect, 0);
if( aHint ){
int i;
char aBlob[FTS3_VARINT_MAX * 2];
memcpy(aBlob, aHint, MAX(sizeof(aBlob), nHint));
i = sqlite3Fts3GetVarint(aBlob, piAbsLevel);
sqlite3Fts3GetVarint32(&aBlob[i], pnMerge);
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Changes to test/fts4merge.test.
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} {X'0006'}
do_execsql_test 4.4.2 {
DELETE FROM t4_stat WHERE rowid=1;
INSERT INTO t4(t4) VALUES('merge=1,12');
SELECT level, group_concat(idx, ' ') FROM t4_segdir GROUP BY level;
} "0 {0 1 2 3 4 5} 1 0"
#-------------------------------------------------------------------------
# Test cases 5.*
#
# Test that if a crisis-merge occurs that disrupts an ongoing incremental
# merge, the next call to "merge=A,B" identifies this and starts a new
# incremental merge. There are two scenarios:
................................................................................
SELECT level, group_concat(idx, ' ') FROM t1_segdir GROUP BY level;
SELECT quote(value) from t1_stat WHERE rowid=1;
} {
0 0 1 0 2 0 3 {0 1}
X'0000'
}
finish_test
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} {X'0006'}
do_execsql_test 4.4.2 {
DELETE FROM t4_stat WHERE rowid=1;
INSERT INTO t4(t4) VALUES('merge=1,12');
SELECT level, group_concat(idx, ' ') FROM t4_segdir GROUP BY level;
} "0 {0 1 2 3 4 5} 1 0"
#-------------------------------------------------------------------------
# Test cases 5.*
#
# Test that if a crisis-merge occurs that disrupts an ongoing incremental
# merge, the next call to "merge=A,B" identifies this and starts a new
# incremental merge. There are two scenarios:
................................................................................
SELECT level, group_concat(idx, ' ') FROM t1_segdir GROUP BY level;
SELECT quote(value) from t1_stat WHERE rowid=1;
} {
0 0 1 0 2 0 3 {0 1}
X'0000'
}
#-------------------------------------------------------------------------
# Test cases 6.*
#
# At one point the following test caused an assert() to fail (because the
# second 'merge=1,2' operation below actually "merges" a single input
# segment, which was unexpected).
#
do_test 6.1 {
reset_db
set a [string repeat a 900]
set b [string repeat b 900]
set c [string repeat c 900]
set d [string repeat d 900]
execsql {
CREATE VIRTUAL TABLE t1 USING fts4;
BEGIN;
INSERT INTO t1 VALUES($a);
INSERT INTO t1 VALUES($b);
COMMIT;
BEGIN;
INSERT INTO t1 VALUES($c);
INSERT INTO t1 VALUES($d);
COMMIT;
}
execsql {
INSERT INTO t1(t1) VALUES('merge=1,2');
INSERT INTO t1(t1) VALUES('merge=1,2');
}
} {}
finish_test
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