Package org.h2.index

Examples of org.h2.index.PageIndex

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        case Page.TYPE_FREE_LIST:
            p = PageFreeList.read(this, data, pageId);
            break;
        case Page.TYPE_DATA_LEAF: {
            int indexId = data.readVarInt();
            PageIndex idx = metaObjects.get(indexId);
            if (idx == null) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "index not found " + indexId);
            }
            if (!(idx instanceof PageDataIndex)) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "not a data index " + indexId + " " + idx);
            }
            PageDataIndex index = (PageDataIndex) idx;
            if (statistics != null) {
                statisticsIncrement(index.getTable().getName() + "." + index.getName() + " read");
            }
            p = PageDataLeaf.read(index, data, pageId);
            break;
        }
        case Page.TYPE_DATA_NODE: {
            int indexId = data.readVarInt();
            PageIndex idx = metaObjects.get(indexId);
            if (idx == null) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "index not found " + indexId);
            }
            if (!(idx instanceof PageDataIndex)) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "not a data index " + indexId + " " + idx);
            }
            PageDataIndex index = (PageDataIndex) idx;
            if (statistics != null) {
                statisticsIncrement(index.getTable().getName() + "." + index.getName() + " read");
            }
            p = PageDataNode.read(index, data, pageId);
            break;
        }
        case Page.TYPE_DATA_OVERFLOW: {
            p = PageDataOverflow.read(this, data, pageId);
            if (statistics != null) {
                statisticsIncrement("overflow read");
            }
            break;
        }
        case Page.TYPE_BTREE_LEAF: {
            int indexId = data.readVarInt();
            PageIndex idx = metaObjects.get(indexId);
            if (idx == null) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "index not found " + indexId);
            }
            if (!(idx instanceof PageBtreeIndex)) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "not a btree index " + indexId + " " + idx);
            }
            PageBtreeIndex index = (PageBtreeIndex) idx;
            if (statistics != null) {
                statisticsIncrement(index.getTable().getName() + "." + index.getName() + " read");
            }
            p = PageBtreeLeaf.read(index, data, pageId);
            break;
        }
        case Page.TYPE_BTREE_NODE: {
            int indexId = data.readVarInt();
            PageIndex idx = metaObjects.get(indexId);
            if (idx == null) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "index not found " + indexId);
            }
            if (!(idx instanceof PageBtreeIndex)) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "not a btree index " + indexId + " " + idx);
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        }
    }

    private void removeMeta(Row row) {
        int id = row.getValue(0).getInt();
        PageIndex index = metaObjects.get(id);
        index.getTable().removeIndex(index);
        if (index instanceof PageBtreeIndex || index instanceof PageDelegateIndex) {
            if (index.isTemporary()) {
                systemSession.removeLocalTempTableIndex(index);
            } else {
                index.getSchema().remove(index);
            }
        }
        index.remove(systemSession);
        metaObjects.remove(id);
    }
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            } else {
                indexType = IndexType.createNonUnique(true);
            }
            meta = table.addIndex(session, "I" + id, id, cols, indexType, false, null);
        }
        PageIndex index;
        if (meta instanceof MultiVersionIndex) {
            index = (PageIndex) ((MultiVersionIndex) meta).getBaseIndex();
        } else {
            index = (PageIndex) meta;
        }
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        case Page.TYPE_FREE_LIST:
            p = PageFreeList.read(this, data, pageId);
            break;
        case Page.TYPE_DATA_LEAF: {
            int indexId = data.readVarInt();
            PageIndex idx = metaObjects.get(indexId);
            if (idx == null) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "index not found " + indexId);
            }
            if (!(idx instanceof PageDataIndex)) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "not a data index " + indexId + " " + idx);
            }
            PageDataIndex index = (PageDataIndex) idx;
            if (statistics != null) {
                statisticsIncrement(index.getTable().getName() + "." + index.getName() + " read");
            }
            p = PageDataLeaf.read(index, data, pageId);
            break;
        }
        case Page.TYPE_DATA_NODE: {
            int indexId = data.readVarInt();
            PageIndex idx = metaObjects.get(indexId);
            if (idx == null) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "index not found " + indexId);
            }
            if (!(idx instanceof PageDataIndex)) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "not a data index " + indexId + " " + idx);
            }
            PageDataIndex index = (PageDataIndex) idx;
            if (statistics != null) {
                statisticsIncrement(index.getTable().getName() + "." + index.getName() + " read");
            }
            p = PageDataNode.read(index, data, pageId);
            break;
        }
        case Page.TYPE_DATA_OVERFLOW: {
            p = PageDataOverflow.read(this, data, pageId);
            if (statistics != null) {
                statisticsIncrement("overflow read");
            }
            break;
        }
        case Page.TYPE_BTREE_LEAF: {
            int indexId = data.readVarInt();
            PageIndex idx = metaObjects.get(indexId);
            if (idx == null) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "index not found " + indexId);
            }
            if (!(idx instanceof PageBtreeIndex)) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "not a btree index " + indexId + " " + idx);
            }
            PageBtreeIndex index = (PageBtreeIndex) idx;
            if (statistics != null) {
                statisticsIncrement(index.getTable().getName() + "." + index.getName() + " read");
            }
            p = PageBtreeLeaf.read(index, data, pageId);
            break;
        }
        case Page.TYPE_BTREE_NODE: {
            int indexId = data.readVarInt();
            PageIndex idx = metaObjects.get(indexId);
            if (idx == null) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "index not found " + indexId);
            }
            if (!(idx instanceof PageBtreeIndex)) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "not a btree index " + indexId + " " + idx);
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        }
    }

    private void removeMeta(Row row) {
        int id = row.getValue(0).getInt();
        PageIndex index = metaObjects.get(id);
        index.getTable().removeIndex(index);
        if (index instanceof PageBtreeIndex || index instanceof PageDelegateIndex) {
            if (index.isTemporary()) {
                systemSession.removeLocalTempTableIndex(index);
            } else {
                index.getSchema().remove(index);
            }
        }
        index.remove(systemSession);
        metaObjects.remove(id);
    }
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            } else {
                indexType = IndexType.createNonUnique(true);
            }
            meta = table.addIndex(session, "I" + id, id, cols, indexType, false, null);
        }
        PageIndex index;
        if (meta instanceof MultiVersionIndex) {
            index = (PageIndex) ((MultiVersionIndex) meta).getBaseIndex();
        } else {
            index = (PageIndex) meta;
        }
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        case Page.TYPE_FREE_LIST:
            p = PageFreeList.read(this, data, pageId);
            break;
        case Page.TYPE_DATA_LEAF: {
            int indexId = data.readVarInt();
            PageIndex idx = metaObjects.get(indexId);
            if (idx == null) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "index not found " + indexId);
            }
            if (!(idx instanceof PageDataIndex)) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "not a data index " + indexId + " " + idx);
            }
            PageDataIndex index = (PageDataIndex) idx;
            if (statistics != null) {
                statisticsIncrement(index.getTable().getName() + "." + index.getName() + " read");
            }
            p = PageDataLeaf.read(index, data, pageId);
            break;
        }
        case Page.TYPE_DATA_NODE: {
            int indexId = data.readVarInt();
            PageIndex idx = metaObjects.get(indexId);
            if (idx == null) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "index not found " + indexId);
            }
            if (!(idx instanceof PageDataIndex)) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "not a data index " + indexId + " " + idx);
            }
            PageDataIndex index = (PageDataIndex) idx;
            if (statistics != null) {
                statisticsIncrement(index.getTable().getName() + "." + index.getName() + " read");
            }
            p = PageDataNode.read(index, data, pageId);
            break;
        }
        case Page.TYPE_DATA_OVERFLOW: {
            p = PageDataOverflow.read(this, data, pageId);
            if (statistics != null) {
                statisticsIncrement("overflow read");
            }
            break;
        }
        case Page.TYPE_BTREE_LEAF: {
            int indexId = data.readVarInt();
            PageIndex idx = metaObjects.get(indexId);
            if (idx == null) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "index not found " + indexId);
            }
            if (!(idx instanceof PageBtreeIndex)) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "not a btree index " + indexId + " " + idx);
            }
            PageBtreeIndex index = (PageBtreeIndex) idx;
            if (statistics != null) {
                statisticsIncrement(index.getTable().getName() + "." + index.getName() + " read");
            }
            p = PageBtreeLeaf.read(index, data, pageId);
            break;
        }
        case Page.TYPE_BTREE_NODE: {
            int indexId = data.readVarInt();
            PageIndex idx = metaObjects.get(indexId);
            if (idx == null) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "index not found " + indexId);
            }
            if (!(idx instanceof PageBtreeIndex)) {
                throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "not a btree index " + indexId + " " + idx);
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        }
    }

    private void removeMeta(Row row) {
        int id = row.getValue(0).getInt();
        PageIndex index = metaObjects.get(id);
        index.getTable().removeIndex(index);
        if (index instanceof PageBtreeIndex || index instanceof PageDelegateIndex) {
            if (index.isTemporary()) {
                systemSession.removeLocalTempTableIndex(index);
            } else {
                index.getSchema().remove(index);
            }
        }
        index.remove(systemSession);
        metaObjects.remove(id);
    }
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            } else {
                indexType = IndexType.createNonUnique(true);
            }
            meta = table.addIndex(session, "I" + id, id, cols, indexType, false, null);
        }
        PageIndex index;
        if (meta instanceof MultiVersionIndex) {
            index = (PageIndex) ((MultiVersionIndex) meta).getBaseIndex();
        } else {
            index = (PageIndex) meta;
        }
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            case Page.TYPE_FREE_LIST:
                p = PageFreeList.read(this, data, pageId);
                break;
            case Page.TYPE_DATA_LEAF: {
                int indexId = data.readVarInt();
                PageIndex idx = metaObjects.get(indexId);
                if (idx == null) {
                    throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "index not found " + indexId);
                }
                if (!(idx instanceof PageDataIndex)) {
                    throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "not a data index " + indexId + " " + idx);
                }
                PageDataIndex index = (PageDataIndex) idx;
                if (statistics != null) {
                    statisticsIncrement(index.getTable().getName() + "." + index.getName() + " read");
                }
                p = PageDataLeaf.read(index, data, pageId);
                break;
            }
            case Page.TYPE_DATA_NODE: {
                int indexId = data.readVarInt();
                PageIndex idx = metaObjects.get(indexId);
                if (idx == null) {
                    throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "index not found " + indexId);
                }
                if (!(idx instanceof PageDataIndex)) {
                    throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "not a data index " + indexId + " " + idx);
                }
                PageDataIndex index = (PageDataIndex) idx;
                if (statistics != null) {
                    statisticsIncrement(index.getTable().getName() + "." + index.getName() + " read");
                }
                p = PageDataNode.read(index, data, pageId);
                break;
            }
            case Page.TYPE_DATA_OVERFLOW: {
                p = PageDataOverflow.read(this, data, pageId);
                if (statistics != null) {
                    statisticsIncrement("overflow read");
                }
                break;
            }
            case Page.TYPE_BTREE_LEAF: {
                int indexId = data.readVarInt();
                PageIndex idx = metaObjects.get(indexId);
                if (idx == null) {
                    throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "index not found " + indexId);
                }
                if (!(idx instanceof PageBtreeIndex)) {
                    throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "not a btree index " + indexId + " " + idx);
                }
                PageBtreeIndex index = (PageBtreeIndex) idx;
                if (statistics != null) {
                    statisticsIncrement(index.getTable().getName() + "." + index.getName() + " read");
                }
                p = PageBtreeLeaf.read(index, data, pageId);
                break;
            }
            case Page.TYPE_BTREE_NODE: {
                int indexId = data.readVarInt();
                PageIndex idx = metaObjects.get(indexId);
                if (idx == null) {
                    throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "index not found " + indexId);
                }
                if (!(idx instanceof PageBtreeIndex)) {
                    throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "not a btree index " + indexId + " " + idx);
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