Examples of SearchRow

Examples of org.lealone.result.SearchRow

313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
                int sortType = index.getIndexColumns()[0].sortType;
                if ((sortType & SortOrder.DESCENDING) != 0) {
                    first = !first;
                }
                Cursor cursor = index.findFirstOrLast(session, first);
                SearchRow row = cursor.getSearchRow();
                Value v;
                if (row == null) {
                    v = ValueNull.INSTANCE;
                } else {
                    v = row.getValue(index.getColumns()[0].getColumnId());
                }
                return v;
            default:
                DbException.throwInternalError("type=" + type);
            }
View Full Code Here

Examples of org.lealone.result.SearchRow

387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
                int sortType = index.getIndexColumns()[0].sortType;
                if ((sortType & SortOrder.DESCENDING) != 0) {
                    first = !first;
                }
                Cursor cursor = index.findFirstOrLast(session, first);
                SearchRow row = cursor.getSearchRow();
                Value v;
                if (row == null) {
                    v = ValueNull.INSTANCE;
                } else {
                    v = row.getValue(index.getColumns()[0].getColumnId());
                }
                return v;
            default:
                DbException.throwInternalError("type=" + type);
            }
View Full Code Here

Examples of org.lealone.result.SearchRow

56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
        }
        return tableNameAsBytes;
    }

    public Value getStartRowKeyValue() {
        SearchRow start = tableFilter.getStartSearchRow();

        if (start != null) {
            if (tableFilter.getIndex() instanceof HBasePrimaryIndex)
                return start.getRowKey();
            else if (tableFilter.getIndex() instanceof HBaseDelegateIndex)
                return start.getValue(tableFilter.getIndex().getColumns()[0].getColumnId());
            else if (tableFilter.getIndex() instanceof HBaseSecondaryIndex)
                return ValueBytes.getNoCopy(((HBaseSecondaryIndex) tableFilter.getIndex()).getKey(start));
            else
                return start.getRowKey();
        }
        return null;
    }
View Full Code Here

Examples of org.lealone.result.SearchRow

72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
        }
        return null;
    }

    public Value getEndRowKeyValue() {
        SearchRow end = tableFilter.getEndSearchRow();
        if (end != null) {
            if (tableFilter.getIndex() instanceof HBasePrimaryIndex)
                return end.getRowKey();
            else if (tableFilter.getIndex() instanceof HBaseDelegateIndex)
                return end.getValue(tableFilter.getIndex().getColumns()[0].getColumnId());
            else if (tableFilter.getIndex() instanceof HBaseSecondaryIndex)
                return ValueBytes.getNoCopy(((HBaseSecondaryIndex) tableFilter.getIndex()).getKey(end));
            else
                return end.getRowKey();
        }
        return null;
    }
View Full Code Here

Examples of org.lealone.result.SearchRow

97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
    public Cursor findFirstOrLast(Session session, boolean first) {
        if (first) {
            // TODO optimization: this loops through NULL elements
            Cursor cursor = find(session, null, null);
            while (cursor.next()) {
                SearchRow row = cursor.getSearchRow();
                Value v = row.getValue(firstColumn.getColumnId());
                if (v != ValueNull.INSTANCE) {
                    return cursor;
                }
            }
            return cursor;
        }
        Cursor baseCursor = base.findFirstOrLast(session, false);
        Cursor deltaCursor = delta.findFirstOrLast(session, false);
        MultiVersionCursor cursor = new MultiVersionCursor(session, this, baseCursor, deltaCursor, sync);
        cursor.loadCurrent();
        // TODO optimization: this loops through NULL elements
        while (cursor.previous()) {
            SearchRow row = cursor.getSearchRow();
            if (row == null) {
                break;
            }
            Value v = row.getValue(firstColumn.getColumnId());
            if (v != ValueNull.INSTANCE) {
                return cursor;
            }
        }
        return cursor;
View Full Code Here

Examples of org.lealone.result.SearchRow

340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
        }
        if (first) {
            // TODO optimization: this loops through NULL
            Cursor cursor = find(session, null, null);
            while (cursor.next()) {
                SearchRow row = cursor.getSearchRow();
                Value v = row.getValue(columnIds[0]);
                if (v != ValueNull.INSTANCE) {
                    return cursor;
                }
            }
            return cursor;
        }
        TreeNode x = root, n;
        while (x != null) {
            n = x.right;
            if (n == null) {
                break;
            }
            x = n;
        }
        TreeCursor cursor = new TreeCursor(this, x, null, null);
        if (x == null) {
            return cursor;
        }
        // TODO optimization: this loops through NULL elements
        do {
            SearchRow row = cursor.getSearchRow();
            if (row == null) {
                break;
            }
            Value v = row.getValue(columnIds[0]);
            if (v != ValueNull.INSTANCE) {
                return cursor;
            }
        } while (cursor.previous());
        return cursor;
View Full Code Here

Examples of org.lealone.result.SearchRow

366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
    private boolean existsRow(Session session, Index searchIndex, SearchRow check, Row excluding) {
        Table searchTable = searchIndex.getTable();
        searchTable.lock(session, false, false);
        Cursor cursor = searchIndex.find(session, check, check);
        while (cursor.next()) {
            SearchRow found;
            found = cursor.getSearchRow();
            if (excluding != null && found.getKey() == excluding.getKey()) {
                continue;
            }
            Column[] cols = searchIndex.getColumns();
            boolean allEqual = true;
            int len = Math.min(columns.length, cols.length);
            for (int i = 0; i < len; i++) {
                int idx = cols[i].getColumnId();
                Value c = check.getValue(idx);
                Value f = found.getValue(idx);
                if (searchTable.compareTypeSave(c, f) != 0) {
                    allEqual = false;
                    break;
                }
            }
View Full Code Here

Examples of org.lealone.result.SearchRow

395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
    private boolean isEqual(Row oldRow, Row newRow) {
        return refIndex.compareRows(oldRow, newRow) == 0;
    }

    private void checkRow(Session session, Row oldRow) {
        SearchRow check = table.getTemplateSimpleRow(false);
        for (int i = 0, len = columns.length; i < len; i++) {
            Column refCol = refColumns[i].column;
            int refIdx = refCol.getColumnId();
            Column col = columns[i].column;
            Value v = col.convert(oldRow.getValue(refIdx));
            if (v == ValueNull.INSTANCE) {
                return;
            }
            check.setValue(col.getColumnId(), v);
        }
        // exclude the row only for self-referencing constraints
        Row excluding = (refTable == table) ? oldRow : null;
        if (existsRow(session, index, check, excluding)) {
            throw DbException.get(ErrorCode.REFERENTIAL_INTEGRITY_VIOLATED_CHILD_EXISTS_1, getShortDescription(index, check));
View Full Code Here

Examples of org.lealone.result.SearchRow

599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
            }
        }
        int rowNumber = 0;
        setCurrentRowNumber(0);
        Index index = topTableFilter.getIndex();
        SearchRow first = null;
        int columnIndex = index.getColumns()[0].getColumnId();
        while (true) {
            setCurrentRowNumber(rowNumber + 1);
            Cursor cursor = index.findNext(session, first, null);
            if (!cursor.next()) {
                break;
            }
            SearchRow found = cursor.getSearchRow();
            Value value = found.getValue(columnIndex);
            if (first == null) {
                first = topTableFilter.getTable().getTemplateSimpleRow(true);
            }
            first.setValue(columnIndex, value);
            Value[] row = { value };
View Full Code Here

Examples of org.lealone.result.SearchRow

111
112
113
114
115
116
117
118
119
120
121
            Prepared p = session.prepare(select, true);
            p.getParameters().get(0).setValue(ValueString.get(Bytes.toString(key)));
            ResultInterface r = p.query(1);
            try {
                if (r.next()) {
                    SearchRow r2 = getRow(new Buffer(Bytes.toBytes(r.currentRow()[0].getString())));
                    if (compareRows(row, r2) == 0) {
                        if (!containsNullAndAllowMultipleNull(r2)) {
                            throw getDuplicateKeyException();
                        }
                    }
View Full Code Here
TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.