Examples with GridSqlInsert org.apache.ignite.internal.processors.query.h2.sql.GridSqlInsert used on opensource projects

Example 1 with GridSqlInsert

use of org.apache.ignite.internal.processors.query.h2.sql.GridSqlInsert in project ignite by apache.

the class GridSqlQueryParser method parseInsert.

/**
 * @param insert Insert.
 * @see <a href="http://h2database.com/html/grammar.html#insert">H2 insert spec</a>
 */
private GridSqlInsert parseInsert(Insert insert) {
    GridSqlInsert res = (GridSqlInsert) h2ObjToGridObj.get(insert);
    if (res != null)
        return res;
    res = new GridSqlInsert();
    h2ObjToGridObj.put(insert, res);
    Table srcTbl = INSERT_TABLE.get(insert);
    GridSqlElement tbl = parseTable(srcTbl);
    res.into(tbl).direct(INSERT_DIRECT.get(insert)).sorted(INSERT_SORTED.get(insert));
    Column[] srcCols = INSERT_COLUMNS.get(insert);
    GridSqlColumn[] cols = new GridSqlColumn[srcCols.length];
    for (int i = 0; i < srcCols.length; i++) {
        cols[i] = new GridSqlColumn(srcCols[i], tbl, null, null, srcCols[i].getName());
        cols[i].resultType(fromColumn(srcCols[i]));
    }
    res.columns(cols);
    List<Expression[]> srcRows = INSERT_ROWS.get(insert);
    if (!srcRows.isEmpty()) {
        List<GridSqlElement[]> rows = new ArrayList<>(srcRows.size());
        for (Expression[] srcRow : srcRows) {
            GridSqlElement[] row = new GridSqlElement[srcRow.length];
            for (int i = 0; i < srcRow.length; i++) row[i] = parseExpression(srcRow[i], false);
            rows.add(row);
        }
        res.rows(rows);
    } else {
        res.rows(Collections.<GridSqlElement[]>emptyList());
        res.query(parseQuery(INSERT_QUERY.get(insert)));
    }
    return res;
}

Example 2 with GridSqlInsert

use of org.apache.ignite.internal.processors.query.h2.sql.GridSqlInsert in project ignite by apache.

the class UpdatePlanBuilder method planForInsert.

/**
     * Prepare update plan for INSERT or MERGE.
     *
     * @param stmt INSERT or MERGE statement.
     * @return Update plan.
     * @throws IgniteCheckedException if failed.
     */
@SuppressWarnings("ConstantConditions")
private static UpdatePlan planForInsert(GridSqlStatement stmt) throws IgniteCheckedException {
    GridSqlQuery sel;
    GridSqlElement target;
    GridSqlColumn[] cols;
    boolean isTwoStepSubqry;
    int rowsNum;
    GridSqlTable tbl;
    GridH2RowDescriptor desc;
    if (stmt instanceof GridSqlInsert) {
        GridSqlInsert ins = (GridSqlInsert) stmt;
        target = ins.into();
        tbl = gridTableForElement(target);
        desc = tbl.dataTable().rowDescriptor();
        cols = ins.columns();
        sel = DmlAstUtils.selectForInsertOrMerge(cols, ins.rows(), ins.query(), desc);
        isTwoStepSubqry = (ins.query() != null);
        rowsNum = isTwoStepSubqry ? 0 : ins.rows().size();
    } else if (stmt instanceof GridSqlMerge) {
        GridSqlMerge merge = (GridSqlMerge) stmt;
        target = merge.into();
        tbl = gridTableForElement(target);
        desc = tbl.dataTable().rowDescriptor();
        // This check also protects us from attempts to update key or its fields directly -
        // when no key except cache key can be used, it will serve only for uniqueness checks,
        // not for updates, and hence will allow putting new pairs only.
        // We don't quote _key and _val column names on CREATE TABLE, so they are always uppercase here.
        GridSqlColumn[] keys = merge.keys();
        if (keys.length != 1 || !desc.isKeyColumn(tbl.dataTable().getColumn(keys[0].columnName()).getColumnId()))
            throw new CacheException("SQL MERGE does not support arbitrary keys");
        cols = merge.columns();
        sel = DmlAstUtils.selectForInsertOrMerge(cols, merge.rows(), merge.query(), desc);
        isTwoStepSubqry = (merge.query() != null);
        rowsNum = isTwoStepSubqry ? 0 : merge.rows().size();
    } else
        throw new IgniteSQLException("Unexpected DML operation [cls=" + stmt.getClass().getName() + ']', IgniteQueryErrorCode.UNEXPECTED_OPERATION);
    // Let's set the flag only for subqueries that have their FROM specified.
    isTwoStepSubqry = (isTwoStepSubqry && (sel instanceof GridSqlUnion || (sel instanceof GridSqlSelect && ((GridSqlSelect) sel).from() != null)));
    int keyColIdx = -1;
    int valColIdx = -1;
    boolean hasKeyProps = false;
    boolean hasValProps = false;
    if (desc == null)
        throw new IgniteSQLException("Row descriptor undefined for table '" + tbl.dataTable().getName() + "'", IgniteQueryErrorCode.NULL_TABLE_DESCRIPTOR);
    GridCacheContext<?, ?> cctx = desc.context();
    String[] colNames = new String[cols.length];
    int[] colTypes = new int[cols.length];
    for (int i = 0; i < cols.length; i++) {
        GridSqlColumn col = cols[i];
        String colName = col.columnName();
        colNames[i] = colName;
        colTypes[i] = col.resultType().type();
        int colId = col.column().getColumnId();
        if (desc.isKeyColumn(colId)) {
            keyColIdx = i;
            continue;
        }
        if (desc.isValueColumn(colId)) {
            valColIdx = i;
            continue;
        }
        GridQueryProperty prop = desc.type().property(colName);
        assert prop != null : "Property '" + colName + "' not found.";
        if (prop.key())
            hasKeyProps = true;
        else
            hasValProps = true;
    }
    KeyValueSupplier keySupplier = createSupplier(cctx, desc.type(), keyColIdx, hasKeyProps, true, false);
    KeyValueSupplier valSupplier = createSupplier(cctx, desc.type(), valColIdx, hasValProps, false, false);
    if (stmt instanceof GridSqlMerge)
        return UpdatePlan.forMerge(tbl.dataTable(), colNames, colTypes, keySupplier, valSupplier, keyColIdx, valColIdx, sel.getSQL(), !isTwoStepSubqry, rowsNum);
    else
        return UpdatePlan.forInsert(tbl.dataTable(), colNames, colTypes, keySupplier, valSupplier, keyColIdx, valColIdx, sel.getSQL(), !isTwoStepSubqry, rowsNum);
}

Example 3 with GridSqlInsert

use of org.apache.ignite.internal.processors.query.h2.sql.GridSqlInsert in project ignite by apache.

the class UpdatePlanBuilder method planForInsert.

/**
 * Prepare update plan for INSERT or MERGE.
 *
 * @param stmt INSERT or MERGE statement.
 * @param loc Local query flag.
 * @param idx Indexing.
 * @param conn Connection.
 * @param fieldsQuery Original query.
 * @return Update plan.
 * @throws IgniteCheckedException if failed.
 */
@SuppressWarnings("ConstantConditions")
private static UpdatePlan planForInsert(GridSqlStatement stmt, boolean loc, IgniteH2Indexing idx, @Nullable Connection conn, @Nullable SqlFieldsQuery fieldsQuery) throws IgniteCheckedException {
    GridSqlQuery sel;
    GridSqlElement target;
    GridSqlColumn[] cols;
    boolean isTwoStepSubqry;
    int rowsNum;
    GridSqlTable tbl;
    GridH2RowDescriptor desc;
    List<GridSqlElement[]> elRows = null;
    if (stmt instanceof GridSqlInsert) {
        GridSqlInsert ins = (GridSqlInsert) stmt;
        target = ins.into();
        tbl = DmlAstUtils.gridTableForElement(target);
        desc = tbl.dataTable().rowDescriptor();
        cols = ins.columns();
        sel = DmlAstUtils.selectForInsertOrMerge(cols, ins.rows(), ins.query());
        if (sel == null)
            elRows = ins.rows();
        isTwoStepSubqry = (ins.query() != null);
        rowsNum = isTwoStepSubqry ? 0 : ins.rows().size();
    } else if (stmt instanceof GridSqlMerge) {
        GridSqlMerge merge = (GridSqlMerge) stmt;
        target = merge.into();
        tbl = DmlAstUtils.gridTableForElement(target);
        desc = tbl.dataTable().rowDescriptor();
        cols = merge.columns();
        sel = DmlAstUtils.selectForInsertOrMerge(cols, merge.rows(), merge.query());
        if (sel == null)
            elRows = merge.rows();
        isTwoStepSubqry = (merge.query() != null);
        rowsNum = isTwoStepSubqry ? 0 : merge.rows().size();
    } else {
        throw new IgniteSQLException("Unexpected DML operation [cls=" + stmt.getClass().getName() + ']', IgniteQueryErrorCode.UNEXPECTED_OPERATION);
    }
    // Let's set the flag only for subqueries that have their FROM specified.
    isTwoStepSubqry &= (sel != null && (sel instanceof GridSqlUnion || (sel instanceof GridSqlSelect && ((GridSqlSelect) sel).from() != null)));
    int keyColIdx = -1;
    int valColIdx = -1;
    boolean hasKeyProps = false;
    boolean hasValProps = false;
    if (desc == null)
        throw new IgniteSQLException("Row descriptor undefined for table '" + tbl.dataTable().getName() + "'", IgniteQueryErrorCode.NULL_TABLE_DESCRIPTOR);
    GridCacheContext<?, ?> cctx = desc.context();
    String[] colNames = new String[cols.length];
    int[] colTypes = new int[cols.length];
    for (int i = 0; i < cols.length; i++) {
        GridSqlColumn col = cols[i];
        String colName = col.columnName();
        colNames[i] = colName;
        colTypes[i] = col.resultType().type();
        int colId = col.column().getColumnId();
        if (desc.isKeyColumn(colId)) {
            keyColIdx = i;
            continue;
        }
        if (desc.isValueColumn(colId)) {
            valColIdx = i;
            continue;
        }
        GridQueryProperty prop = desc.type().property(colName);
        assert prop != null : "Property '" + colName + "' not found.";
        if (prop.key())
            hasKeyProps = true;
        else
            hasValProps = true;
    }
    KeyValueSupplier keySupplier = createSupplier(cctx, desc.type(), keyColIdx, hasKeyProps, true, false);
    KeyValueSupplier valSupplier = createSupplier(cctx, desc.type(), valColIdx, hasValProps, false, false);
    String selectSql = sel != null ? sel.getSQL() : null;
    DmlDistributedPlanInfo distributed = (rowsNum == 0 && !F.isEmpty(selectSql)) ? checkPlanCanBeDistributed(idx, conn, fieldsQuery, loc, selectSql, tbl.dataTable().cacheName()) : null;
    UpdateMode mode = stmt instanceof GridSqlMerge ? UpdateMode.MERGE : UpdateMode.INSERT;
    List<List<DmlArgument>> rows = null;
    if (elRows != null) {
        assert sel == null;
        rows = new ArrayList<>(elRows.size());
        for (GridSqlElement[] elRow : elRows) {
            List<DmlArgument> row = new ArrayList<>(cols.length);
            for (GridSqlElement el : elRow) {
                DmlArgument arg = DmlArguments.create(el);
                row.add(arg);
            }
            rows.add(row);
        }
    }
    return new UpdatePlan(mode, tbl.dataTable(), colNames, colTypes, keySupplier, valSupplier, keyColIdx, valColIdx, selectSql, !isTwoStepSubqry, rows, rowsNum, null, distributed);
}