Revision 9410
Added by ben leinfelder about 9 years ago
| src/edu/ucsb/nceas/metacat/EventLog.java | ||
|---|---|---|
| 417 | 417 |
} |
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memberNode.setValue(nodeId); |
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String countClause = "select count(*) "; |
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String fieldsClause = "select " + |
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"entryid, " + |
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"id.guid as identifier, " + |
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"ip_address, " + |
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"user_agent, " + |
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"principal, " + |
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"case " + |
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" when event = 'insert' then 'create' " + |
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" else event " + |
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"end as event, " + |
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"date_logged "; |
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// subquery does the heavy lifting |
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StringBuffer subQueryFrom = new StringBuffer(); |
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subQueryFrom.append("from access_log ");
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| 432 | 423 |
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StringBuffer queryWhereClause = new StringBuffer(); |
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queryWhereClause.append( |
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"from access_log al, identifier id " + |
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"where al.docid = id.docid||'.'||id.rev " |
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); |
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boolean clauseAdded = false; |
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| 438 | 425 |
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boolean clauseAdded = true; |
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List<String> paramValues = new ArrayList<String>(); |
| 442 | 427 |
if (ipAddress != null) {
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| 443 | 428 |
if (clauseAdded) {
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queryWhereClause.append(" and ");
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subQueryFrom.append(" and ");
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} else {
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subQueryFrom.append(" where ");
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| 445 | 432 |
} |
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queryWhereClause.append("ip_address in (");
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subQueryFrom.append("ip_address in (");
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| 447 | 434 |
for (int i = 0; i < ipAddress.length; i++) {
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| 448 | 435 |
if (i > 0) {
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queryWhereClause.append(", ");
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subQueryFrom.append(", ");
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| 450 | 437 |
} |
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queryWhereClause.append("?");
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subQueryFrom.append("?");
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| 452 | 439 |
paramValues.add(ipAddress[i]); |
| 453 | 440 |
} |
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queryWhereClause.append(") ");
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subQueryFrom.append(") ");
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clauseAdded = true; |
| 456 | 443 |
} |
| 457 | 444 |
if (principal != null) {
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| 458 | 445 |
if (clauseAdded) {
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queryWhereClause.append(" and ");
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subQueryFrom.append(" and ");
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} else {
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subQueryFrom.append(" where ");
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| 460 | 449 |
} |
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queryWhereClause.append("principal in (");
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subQueryFrom.append("principal in (");
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| 462 | 451 |
for (int i = 0; i < principal.length; i++) {
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| 463 | 452 |
if (i > 0) {
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queryWhereClause.append(", ");
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subQueryFrom.append(", ");
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| 465 | 454 |
} |
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queryWhereClause.append("?");
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subQueryFrom.append("?");
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| 467 | 456 |
paramValues.add(principal[i]); |
| 468 | 457 |
} |
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queryWhereClause.append(") ");
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subQueryFrom.append(") ");
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| 470 | 459 |
clauseAdded = true; |
| 471 | 460 |
} |
| 472 | 461 |
if (docid != null) {
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| 473 | 462 |
if (clauseAdded) {
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queryWhereClause.append(" and ");
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subQueryFrom.append(" and ");
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} else {
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subQueryFrom.append(" where ");
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} |
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queryWhereClause.append("al.docid in (");
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subQueryFrom.append("al.docid in (");
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| 477 | 468 |
for (int i = 0; i < docid.length; i++) {
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| 478 | 469 |
if (i > 0) {
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queryWhereClause.append(", ");
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subQueryFrom.append(", ");
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| 480 | 471 |
} |
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queryWhereClause.append("?");
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subQueryFrom.append("?");
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paramValues.add(docid[i]); |
| 483 | 474 |
} |
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queryWhereClause.append(") ");
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subQueryFrom.append(") ");
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clauseAdded = true; |
| 486 | 477 |
} |
| 487 | 478 |
if (event != null) {
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| 488 | 479 |
if (clauseAdded) {
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queryWhereClause.append(" and ");
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subQueryFrom.append(" and ");
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} else {
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subQueryFrom.append(" where ");
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} |
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queryWhereClause.append("event in (");
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queryWhereClause.append("?");
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subQueryFrom.append("event in (");
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subQueryFrom.append("?");
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| 493 | 486 |
String eventString = event; |
| 494 | 487 |
if (eventString.equals(Event.CREATE.xmlValue())) {
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| 495 | 488 |
eventString = "insert"; |
| 496 | 489 |
} |
| 497 | 490 |
paramValues.add(eventString); |
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queryWhereClause.append(") ");
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subQueryFrom.append(") ");
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clauseAdded = true; |
| 500 | 493 |
} |
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if (startDate != null) {
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| 503 | 496 |
if (clauseAdded) {
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queryWhereClause.append(" and ");
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subQueryFrom.append(" and ");
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} else {
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subQueryFrom.append(" where ");
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| 505 | 500 |
} |
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queryWhereClause.append("date_logged >= ?");
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subQueryFrom.append("date_logged >= ?");
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| 507 | 502 |
clauseAdded = true; |
| 508 | 503 |
} |
| 509 | 504 |
if (endDate != null) {
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| 510 | 505 |
if (clauseAdded) {
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queryWhereClause.append(" and ");
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subQueryFrom.append(" and ");
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} else {
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subQueryFrom.append(" where ");
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| 512 | 509 |
} |
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queryWhereClause.append("date_logged < ?");
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subQueryFrom.append("date_logged < ?");
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| 514 | 511 |
clauseAdded = true; |
| 515 | 512 |
} |
| 516 | 513 |
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// count query |
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String countSelect = "select count(*) "; |
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// subquery select |
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String subquerySelect = "select entryid "; |
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// for selecting fields we want in the join |
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String fieldSelect = |
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"select " + |
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"entryid, " + |
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"id.guid as identifier, " + |
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"ip_address, " + |
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"user_agent, " + |
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"principal, " + |
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"case " + |
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" when event = 'insert' then 'create' " + |
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" else event " + |
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"end as event, " + |
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"date_logged " + |
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"from access_log al, identifier id " + |
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"where al.docid = id.docid||'.'||id.rev " + |
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"and al.entryid in "; |
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// order by |
| 518 | 538 |
String orderByClause = " order by entryid "; |
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// select the count |
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String countQuery = countClause + queryWhereClause.toString(); |
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logMetacat.debug("The count query is "+countQuery);
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// select the fields |
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String pagedQuery = DatabaseService.getInstance().getDBAdapter().getPagedQuery(fieldsClause + queryWhereClause.toString() + orderByClause, start, count); |
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logMetacat.debug("The selection query is "+pagedQuery);
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logMetacat.debug("The startDate in the query is "+startDate);
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logMetacat.debug("The endDate in the query is "+startDate);
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String countQuery = countSelect + subQueryFrom.toString(); |
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logMetacat.debug("The count query is " + countQuery);
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// select the fields using paged subquery and fields join query |
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String pagedSubquery = DatabaseService.getInstance().getDBAdapter().getPagedQuery(subquerySelect + subQueryFrom.toString() + orderByClause, start, count); |
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String pagedQuery = fieldSelect + " ( " + pagedSubquery + " ) " + orderByClause; |
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logMetacat.debug("The selection query is " + pagedQuery);
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logMetacat.debug("The startDate in the query is " + startDate);
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logMetacat.debug("The endDate in the query is " + startDate);
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| 528 | 549 |
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| 529 | 550 |
DBConnection dbConn = null; |
| 530 | 551 |
int serialNumber = -1; |
Also available in: Unified diff
merge from 2.5 branch: use subquery to do paging before joining to identifier table. https://redmine.dataone.org/issues/7491