use of org.h2.command.dml.Set in project ignite by apache.
the class GridH2TableSelfTest method checkIndexesConsistent.
/**
* @param idxs Indexes.
* @param rowSet Rows.
* @return Rows.
*/
private Set<Row> checkIndexesConsistent(ArrayList<Index> idxs, @Nullable Set<Row> rowSet) throws IgniteCheckedException {
for (Index idx : idxs) {
if (!(idx instanceof GridH2TreeIndex))
continue;
Set<Row> set = new HashSet<>();
GridCursor<GridH2Row> cursor = ((GridH2TreeIndex) idx).rows();
while (cursor.next()) assertTrue(set.add(cursor.get()));
if (rowSet == null || rowSet.isEmpty())
rowSet = set;
else
assertEquals(rowSet, set);
}
return rowSet;
}
use of org.h2.command.dml.Set in project ignite by apache.
the class GridMapQueryExecutor method onQueryRequest0.
/**
* @param node Node authored request.
* @param reqId Request ID.
* @param segmentId index segment ID.
* @param schemaName Schema name.
* @param qrys Queries to execute.
* @param cacheIds Caches which will be affected by these queries.
* @param topVer Topology version.
* @param partsMap Partitions map for unstable topology.
* @param parts Explicit partitions for current node.
* @param tbls Tables.
* @param pageSize Page size.
* @param distributedJoinMode Query distributed join mode.
*/
private void onQueryRequest0(ClusterNode node, long reqId, int segmentId, String schemaName, Collection<GridCacheSqlQuery> qrys, List<Integer> cacheIds, AffinityTopologyVersion topVer, Map<UUID, int[]> partsMap, int[] parts, Collection<QueryTable> tbls, int pageSize, DistributedJoinMode distributedJoinMode, boolean enforceJoinOrder, boolean replicated, int timeout, Object[] params) {
// Prepare to run queries.
GridCacheContext<?, ?> mainCctx = !F.isEmpty(cacheIds) ? ctx.cache().context().cacheContext(cacheIds.get(0)) : null;
NodeResults nodeRess = resultsForNode(node.id());
QueryResults qr = null;
List<GridReservable> reserved = new ArrayList<>();
try {
if (topVer != null) {
// Reserve primary for topology version or explicit partitions.
if (!reservePartitions(cacheIds, topVer, parts, reserved)) {
sendRetry(node, reqId, segmentId);
return;
}
}
qr = new QueryResults(reqId, qrys.size(), mainCctx != null ? mainCctx.name() : null);
if (nodeRess.put(reqId, segmentId, qr) != null)
throw new IllegalStateException();
// Prepare query context.
GridH2QueryContext qctx = new GridH2QueryContext(ctx.localNodeId(), node.id(), reqId, segmentId, replicated ? REPLICATED : MAP).filter(h2.backupFilter(topVer, parts)).partitionsMap(partsMap).distributedJoinMode(distributedJoinMode).pageSize(pageSize).topologyVersion(topVer).reservations(reserved);
List<GridH2Table> snapshotedTbls = null;
if (!F.isEmpty(tbls)) {
snapshotedTbls = new ArrayList<>(tbls.size());
for (QueryTable tbl : tbls) {
GridH2Table h2Tbl = h2.dataTable(tbl);
Objects.requireNonNull(h2Tbl, tbl.toString());
h2Tbl.snapshotIndexes(qctx, segmentId);
snapshotedTbls.add(h2Tbl);
}
}
Connection conn = h2.connectionForSchema(schemaName);
H2Utils.setupConnection(conn, distributedJoinMode != OFF, enforceJoinOrder);
GridH2QueryContext.set(qctx);
// qctx is set, we have to release reservations inside of it.
reserved = null;
try {
if (nodeRess.cancelled(reqId)) {
GridH2QueryContext.clear(ctx.localNodeId(), node.id(), reqId, qctx.type());
nodeRess.cancelRequest(reqId);
throw new QueryCancelledException();
}
// Run queries.
int qryIdx = 0;
boolean evt = mainCctx != null && ctx.event().isRecordable(EVT_CACHE_QUERY_EXECUTED);
for (GridCacheSqlQuery qry : qrys) {
ResultSet rs = null;
// If we are not the target node for this replicated query, just ignore it.
if (qry.node() == null || (segmentId == 0 && qry.node().equals(ctx.localNodeId()))) {
rs = h2.executeSqlQueryWithTimer(conn, qry.query(), F.asList(qry.parameters(params)), true, timeout, qr.cancels[qryIdx]);
if (evt) {
assert mainCctx != null;
ctx.event().record(new CacheQueryExecutedEvent<>(node, "SQL query executed.", EVT_CACHE_QUERY_EXECUTED, CacheQueryType.SQL.name(), mainCctx.name(), null, qry.query(), null, null, params, node.id(), null));
}
assert rs instanceof JdbcResultSet : rs.getClass();
}
qr.addResult(qryIdx, qry, node.id(), rs, params);
if (qr.canceled) {
qr.result(qryIdx).close();
throw new QueryCancelledException();
}
// Send the first page.
sendNextPage(nodeRess, node, qr, qryIdx, segmentId, pageSize);
qryIdx++;
}
} finally {
GridH2QueryContext.clearThreadLocal();
if (distributedJoinMode == OFF)
qctx.clearContext(false);
if (!F.isEmpty(snapshotedTbls)) {
for (GridH2Table dataTbl : snapshotedTbls) dataTbl.releaseSnapshots();
}
}
} catch (Throwable e) {
if (qr != null) {
nodeRess.remove(reqId, segmentId, qr);
qr.cancel(false);
}
if (X.hasCause(e, GridH2RetryException.class))
sendRetry(node, reqId, segmentId);
else {
U.error(log, "Failed to execute local query.", e);
sendError(node, reqId, e);
if (e instanceof Error)
throw (Error) e;
}
} finally {
if (reserved != null) {
// Release reserved partitions.
for (int i = 0; i < reserved.size(); i++) reserved.get(i).release();
}
}
}
use of org.h2.command.dml.Set in project ignite by apache.
the class DmlAstUtils method getFastUpdateArgs.
/**
* @param update UPDATE statement.
* @return {@code null} if given statement directly updates {@code _val} column with a literal or param value
* and filters by single non expression key (and, optionally, by single non expression value).
*/
public static FastUpdateArguments getFastUpdateArgs(GridSqlUpdate update) {
IgnitePair<GridSqlElement> filter = findKeyValueEqualityCondition(update.where());
if (filter == null)
return null;
if (update.cols().size() != 1)
return null;
Table tbl = update.cols().get(0).column().getTable();
if (!(tbl instanceof GridH2Table))
return null;
GridH2RowDescriptor desc = ((GridH2Table) tbl).rowDescriptor();
if (!desc.isValueColumn(update.cols().get(0).column().getColumnId()))
return null;
GridSqlElement set = update.set().get(update.cols().get(0).columnName());
if (!(set instanceof GridSqlConst || set instanceof GridSqlParameter))
return null;
return new FastUpdateArguments(operandForElement(filter.getKey()), operandForElement(filter.getValue()), operandForElement(set));
}
use of org.h2.command.dml.Set in project ignite by apache.
the class DmlAstUtils method selectForUpdate.
/**
* Generate SQL SELECT based on UPDATE's WHERE, LIMIT, etc.
*
* @param update Update statement.
* @param keysParamIdx Index of new param for the array of keys.
* @return SELECT statement.
*/
public static GridSqlSelect selectForUpdate(GridSqlUpdate update, @Nullable Integer keysParamIdx) {
GridSqlSelect mapQry = new GridSqlSelect();
mapQry.from(update.target());
Set<GridSqlTable> tbls = new HashSet<>();
collectAllGridTablesInTarget(update.target(), tbls);
assert tbls.size() == 1 : "Failed to determine target table for UPDATE";
GridSqlTable tbl = tbls.iterator().next();
GridH2Table gridTbl = tbl.dataTable();
assert gridTbl != null : "Failed to determine target grid table for UPDATE";
Column h2KeyCol = gridTbl.getColumn(GridH2AbstractKeyValueRow.KEY_COL);
Column h2ValCol = gridTbl.getColumn(GridH2AbstractKeyValueRow.VAL_COL);
GridSqlColumn keyCol = new GridSqlColumn(h2KeyCol, tbl, h2KeyCol.getName());
keyCol.resultType(GridSqlType.fromColumn(h2KeyCol));
GridSqlColumn valCol = new GridSqlColumn(h2ValCol, tbl, h2ValCol.getName());
valCol.resultType(GridSqlType.fromColumn(h2ValCol));
mapQry.addColumn(keyCol, true);
mapQry.addColumn(valCol, true);
for (GridSqlColumn c : update.cols()) {
String newColName = Parser.quoteIdentifier("_upd_" + c.columnName());
// We have to use aliases to cover cases when the user
// wants to update _val field directly (if it's a literal)
GridSqlAlias alias = new GridSqlAlias(newColName, elementOrDefault(update.set().get(c.columnName()), c), true);
alias.resultType(c.resultType());
mapQry.addColumn(alias, true);
}
GridSqlElement where = update.where();
if (keysParamIdx != null)
where = injectKeysFilterParam(where, keyCol, keysParamIdx);
mapQry.where(where);
mapQry.limit(update.limit());
return mapQry;
}
use of org.h2.command.dml.Set in project ignite by apache.
the class DmlAstUtils method selectForDelete.
/**
* Generate SQL SELECT based on DELETE's WHERE, LIMIT, etc.
*
* @param del Delete statement.
* @param keysParamIdx Index for .
* @return SELECT statement.
*/
public static GridSqlSelect selectForDelete(GridSqlDelete del, @Nullable Integer keysParamIdx) {
GridSqlSelect mapQry = new GridSqlSelect();
mapQry.from(del.from());
Set<GridSqlTable> tbls = new HashSet<>();
collectAllGridTablesInTarget(del.from(), tbls);
assert tbls.size() == 1 : "Failed to determine target table for DELETE";
GridSqlTable tbl = tbls.iterator().next();
GridH2Table gridTbl = tbl.dataTable();
assert gridTbl != null : "Failed to determine target grid table for DELETE";
Column h2KeyCol = gridTbl.getColumn(GridH2AbstractKeyValueRow.KEY_COL);
Column h2ValCol = gridTbl.getColumn(GridH2AbstractKeyValueRow.VAL_COL);
GridSqlColumn keyCol = new GridSqlColumn(h2KeyCol, tbl, h2KeyCol.getName());
keyCol.resultType(GridSqlType.fromColumn(h2KeyCol));
GridSqlColumn valCol = new GridSqlColumn(h2ValCol, tbl, h2ValCol.getName());
valCol.resultType(GridSqlType.fromColumn(h2ValCol));
mapQry.addColumn(keyCol, true);
mapQry.addColumn(valCol, true);
GridSqlElement where = del.where();
if (keysParamIdx != null)
where = injectKeysFilterParam(where, keyCol, keysParamIdx);
mapQry.where(where);
mapQry.limit(del.limit());
return mapQry;
}
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