Revision 3507
Added by Jing Tao about 17 years ago
| src/edu/ucsb/nceas/metacat/DocumentImpl.java | ||
|---|---|---|
| 1262 | 1262 |
public void buildIndex() throws McdbException |
| 1263 | 1263 |
{
|
| 1264 | 1264 |
logMetacat.warn("buildIndex called on docid " + docid);
|
| 1265 |
double start = System.currentTimeMillis()/1000; |
|
| 1265 | 1266 |
TreeSet nodeRecordLists = getNodeRecordList(rootnodeid); |
| 1266 | 1267 |
boolean atRootElement = true; |
| 1267 | 1268 |
long rootNodeId = -1; |
| ... | ... | |
| 1277 | 1278 |
} |
| 1278 | 1279 |
|
| 1279 | 1280 |
String doc = docid; |
| 1280 |
|
|
| 1281 |
double afterPutNode = System.currentTimeMillis()/1000; |
|
| 1282 |
logMetacat.info("The time for put node id into map is "+(afterPutNode - start));
|
|
| 1283 |
double afterDelete = 0; |
|
| 1281 | 1284 |
// Opening separate db connection for deleting and writing |
| 1282 | 1285 |
// XML Index -- be sure that it is all in one db transaction |
| 1283 | 1286 |
int serialNumber = -1; |
| ... | ... | |
| 1291 | 1294 |
|
| 1292 | 1295 |
// Delete the previous index entries for this document |
| 1293 | 1296 |
deleteNodeIndex(dbConn); |
| 1294 |
|
|
| 1297 |
afterDelete = System.currentTimeMillis()/1000; |
|
| 1295 | 1298 |
// Step through all of the node records we were given |
| 1296 | 1299 |
// and build the new index and update the database. Process |
| 1297 | 1300 |
// TEXT nodes with their parent ELEMENT node ids to associate the |
| ... | ... | |
| 1360 | 1363 |
} finally {
|
| 1361 | 1364 |
DBConnectionPool.returnDBConnection(dbConn, serialNumber); |
| 1362 | 1365 |
} |
| 1363 |
|
|
| 1366 |
double finish = System.currentTimeMillis()/1000; |
|
| 1367 |
logMetacat.info("The time for inserting is "+(finish - afterDelete));
|
|
| 1364 | 1368 |
logMetacat.warn("BuildIndex complete for docid " + docid);
|
| 1365 | 1369 |
|
| 1366 | 1370 |
// Adds the docid to the spatial data cache |
| ... | ... | |
| 1478 | 1482 |
private void deleteNodeIndex(DBConnection conn) throws SQLException |
| 1479 | 1483 |
{
|
| 1480 | 1484 |
//String familyId = MetaCatUtil.getDocIdFromString(docid); |
| 1485 |
double start = System.currentTimeMillis()/1000; |
|
| 1481 | 1486 |
String familyId = docid; |
| 1482 |
String sql = "DELETE FROM xml_index WHERE docid LIKE ?";
|
|
| 1487 |
String sql = "DELETE FROM xml_index WHERE docid = ?";
|
|
| 1483 | 1488 |
logMetacat.debug(sql); |
| 1484 | 1489 |
logMetacat.debug("SQL is: " + sql);
|
| 1485 | 1490 |
|
| ... | ... | |
| 1494 | 1499 |
pstmt.close(); |
| 1495 | 1500 |
logMetacat.info("Deleted " + rows + " rows from xml_index " +
|
| 1496 | 1501 |
"for document " + docid); |
| 1497 |
|
|
| 1502 |
double afterDeleteIndex = System.currentTimeMillis()/1000; |
|
| 1503 |
logMetacat.info("The delete index time is "+(afterDeleteIndex - start));
|
|
| 1498 | 1504 |
// Delete all the entries in xml_queryresult |
| 1499 | 1505 |
pstmt = conn.prepareStatement( |
| 1500 | 1506 |
"DELETE FROM xml_queryresult WHERE docid = ?"); |
| ... | ... | |
| 1504 | 1510 |
pstmt.close(); |
| 1505 | 1511 |
logMetacat.info("Deleted " + rows + " rows from xml_queryresult " +
|
| 1506 | 1512 |
"for document " + docid); |
| 1507 |
|
|
| 1513 |
double afterDeleteQueryResult = System.currentTimeMillis()/1000; |
|
| 1514 |
logMetacat.info("The delete query result time is "+(afterDeleteQueryResult - afterDeleteIndex ));
|
|
| 1508 | 1515 |
// Delete all the entries in xml_path_index |
| 1509 | 1516 |
pstmt = conn.prepareStatement( |
| 1510 | 1517 |
"DELETE FROM xml_path_index WHERE docid = ?"); |
| ... | ... | |
| 1512 | 1519 |
rows = pstmt.executeUpdate(); |
| 1513 | 1520 |
conn.increaseUsageCount(1); |
| 1514 | 1521 |
pstmt.close(); |
| 1522 |
double afterDeletePathIndex = System.currentTimeMillis()/1000; |
|
| 1523 |
logMetacat.info("The delete path index time is "+ (afterDeletePathIndex - afterDeleteQueryResult));
|
|
| 1515 | 1524 |
logMetacat.info("Deleted " + rows + " rows from xml_path_index " +
|
| 1516 | 1525 |
"for document " + docid); |
| 1517 | 1526 |
|
Also available in: Unified diff
Modified a sql command from "like" to "=". It dramatically improves the peformance of build index.