Examples with Table org.h2.table.Table used on opensource projects

Example 41 with Table

use of org.h2.table.Table in project ignite by apache.

the class UpdatePlanBuilder method planForUpdate.

/**
     * Prepare update plan for UPDATE or DELETE.
     *
     * @param stmt UPDATE or DELETE statement.
     * @param errKeysPos index to inject param for re-run keys at. Null if it's not a re-run plan.
     * @return Update plan.
     * @throws IgniteCheckedException if failed.
     */
private static UpdatePlan planForUpdate(GridSqlStatement stmt, @Nullable Integer errKeysPos) throws IgniteCheckedException {
    GridSqlElement target;
    FastUpdateArguments fastUpdate;
    UpdateMode mode;
    if (stmt instanceof GridSqlUpdate) {
        // Let's verify that user is not trying to mess with key's columns directly
        verifyUpdateColumns(stmt);
        GridSqlUpdate update = (GridSqlUpdate) stmt;
        target = update.target();
        fastUpdate = DmlAstUtils.getFastUpdateArgs(update);
        mode = UpdateMode.UPDATE;
    } else if (stmt instanceof GridSqlDelete) {
        GridSqlDelete del = (GridSqlDelete) stmt;
        target = del.from();
        fastUpdate = DmlAstUtils.getFastDeleteArgs(del);
        mode = UpdateMode.DELETE;
    } else
        throw new IgniteSQLException("Unexpected DML operation [cls=" + stmt.getClass().getName() + ']', IgniteQueryErrorCode.UNEXPECTED_OPERATION);
    GridSqlTable tbl = gridTableForElement(target);
    GridH2Table gridTbl = tbl.dataTable();
    GridH2RowDescriptor desc = gridTbl.rowDescriptor();
    if (desc == null)
        throw new IgniteSQLException("Row descriptor undefined for table '" + gridTbl.getName() + "'", IgniteQueryErrorCode.NULL_TABLE_DESCRIPTOR);
    if (fastUpdate != null)
        return UpdatePlan.forFastUpdate(mode, gridTbl, fastUpdate);
    else {
        GridSqlSelect sel;
        if (stmt instanceof GridSqlUpdate) {
            List<GridSqlColumn> updatedCols = ((GridSqlUpdate) stmt).cols();
            int valColIdx = -1;
            String[] colNames = new String[updatedCols.size()];
            int[] colTypes = new int[updatedCols.size()];
            for (int i = 0; i < updatedCols.size(); i++) {
                colNames[i] = updatedCols.get(i).columnName();
                colTypes[i] = updatedCols.get(i).resultType().type();
                Column column = updatedCols.get(i).column();
                if (desc.isValueColumn(column.getColumnId()))
                    valColIdx = i;
            }
            boolean hasNewVal = (valColIdx != -1);
            // Statement updates distinct properties if it does not have _val in updated columns list
            // or if its list of updated columns includes only _val, i.e. is single element.
            boolean hasProps = !hasNewVal || updatedCols.size() > 1;
            // Index of new _val in results of SELECT
            if (hasNewVal)
                valColIdx += 2;
            int newValColIdx = (hasNewVal ? valColIdx : 1);
            KeyValueSupplier newValSupplier = createSupplier(desc.context(), desc.type(), newValColIdx, hasProps, false, true);
            sel = DmlAstUtils.selectForUpdate((GridSqlUpdate) stmt, errKeysPos);
            return UpdatePlan.forUpdate(gridTbl, colNames, colTypes, newValSupplier, valColIdx, sel.getSQL());
        } else {
            sel = DmlAstUtils.selectForDelete((GridSqlDelete) stmt, errKeysPos);
            return UpdatePlan.forDelete(gridTbl, sel.getSQL());
        }
    }
}

Example 42 with Table

use of org.h2.table.Table in project ignite by apache.

the class GridH2CollocationModel method calculate.

/**
     * Do the needed calculations.
     */
private void calculate() {
    if (type != null)
        return;
    if (view) {
        // We are at (sub-)query model.
        assert childFilters != null;
        boolean collocated = true;
        boolean partitioned = false;
        int maxMultiplier = MULTIPLIER_COLLOCATED;
        for (int i = 0; i < childFilters.length; i++) {
            GridH2CollocationModel child = child(i, true);
            Type t = child.type(true);
            if (child.multiplier == MULTIPLIER_REPLICATED_NOT_LAST)
                maxMultiplier = child.multiplier;
            if (t.isPartitioned()) {
                partitioned = true;
                if (!t.isCollocated()) {
                    collocated = false;
                    int m = child.multiplier(true);
                    if (m > maxMultiplier) {
                        maxMultiplier = m;
                        if (maxMultiplier == MULTIPLIER_REPLICATED_NOT_LAST)
                            break;
                    }
                }
            }
        }
        type = Type.of(partitioned, collocated);
        multiplier = maxMultiplier;
    } else {
        assert upper != null;
        assert childFilters == null;
        // We are at table instance.
        Table tbl = filter().getTable();
        // Only partitioned tables will do distributed joins.
        if (!(tbl instanceof GridH2Table) || !((GridH2Table) tbl).isPartitioned()) {
            type = Type.REPLICATED;
            multiplier = MULTIPLIER_COLLOCATED;
            return;
        }
        // to all the affinity nodes the "base" does not need to get remote results.
        if (!upper.findPartitionedTableBefore(filter)) {
            type = Type.PARTITIONED_COLLOCATED;
            multiplier = MULTIPLIER_COLLOCATED;
        } else {
            // collocated. If we at least have affinity key condition, then we do unicast which is cheaper.
            switch(upper.joinedWithCollocated(filter)) {
                case COLLOCATED_JOIN:
                    type = Type.PARTITIONED_COLLOCATED;
                    multiplier = MULTIPLIER_COLLOCATED;
                    break;
                case HAS_AFFINITY_CONDITION:
                    type = Type.PARTITIONED_NOT_COLLOCATED;
                    multiplier = MULTIPLIER_UNICAST;
                    break;
                case NONE:
                    type = Type.PARTITIONED_NOT_COLLOCATED;
                    multiplier = MULTIPLIER_BROADCAST;
                    break;
                default:
                    throw new IllegalStateException();
            }
        }
        if (upper.previousReplicated(filter))
            multiplier = MULTIPLIER_REPLICATED_NOT_LAST;
    }
}

Example 43 with Table

use of org.h2.table.Table in project ignite by apache.

the class GridH2CollocationModel method isAffinityColumn.

/**
     * @param f Table filter.
     * @param expCol Expression column.
     * @param validate Query validation flag.
     * @return {@code true} It it is an affinity column.
     */
private static boolean isAffinityColumn(TableFilter f, ExpressionColumn expCol, boolean validate) {
    Column col = expCol.getColumn();
    if (col == null)
        return false;
    Table t = col.getTable();
    if (t.isView()) {
        Query qry;
        if (f.getIndex() != null)
            qry = getSubQuery(f);
        else
            qry = GridSqlQueryParser.VIEW_QUERY.get((TableView) t);
        return isAffinityColumn(qry, expCol, validate);
    }
    if (t instanceof GridH2Table) {
        if (validate && ((GridH2Table) t).rowDescriptor().context().customAffinityMapper())
            throw customAffinityError(((GridH2Table) t).cacheName());
        IndexColumn affCol = ((GridH2Table) t).getAffinityKeyColumn();
        return affCol != null && col.getColumnId() == affCol.column.getColumnId();
    }
    return false;
}

Example 44 with Table

use of org.h2.table.Table in project ignite by apache.

the class GridQueryParsingTest method assertCreateTableEquals.

/**
     * Parse SQL and compare it to expected instance of DROP TABLE.
     */
private void assertCreateTableEquals(GridSqlCreateTable exp, String sql) throws Exception {
    Prepared prepared = parse(sql);
    GridSqlStatement stmt = new GridSqlQueryParser(false).parse(prepared);
    assertTrue(stmt instanceof GridSqlCreateTable);
    assertCreateTableEquals(exp, (GridSqlCreateTable) stmt);
}