lowka commented on code in PR #3335:
URL: https://github.com/apache/ignite-3/pull/3335#discussion_r1510781984
##########
modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/prepare/pruning/PartitionPruningMetadataExtractor.java:
##########
@@ -137,6 +150,155 @@ public IgniteRel visit(IgniteTableScan rel) {
return rel;
}
+ private static class ModifyNodeShuttle extends IgniteRelShuttle {
+ List<RexNode> projections = null;
+ IgniteValues values = null;
+ List<List<RexNode>> exprProjections = null;
+ boolean collectExprProjections = false;
+
+ /** {@inheritDoc} */
+ @Override
+ public IgniteRel visit(IgniteProject rel) {
+ if (projections == null && !collectExprProjections) {
+ projections = rel.getProjects();
+ } else {
+ if (exprProjections == null) {
+ exprProjections = new ArrayList<>();
+ }
+ exprProjections.add(rel.getProjects());
+ }
+ return super.visit(rel);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public IgniteRel visit(IgniteValues rel) {
+ if (!collectExprProjections) {
+ values = rel;
+ }
+ return super.visit(rel);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public IgniteRel visit(IgniteUnionAll rel) {
+ collectExprProjections = true;
+ return super.visit(rel);
+ }
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public IgniteRel visit(IgniteTableModify rel) {
+ if (rel.getOperation() != INSERT && rel.getOperation() != DELETE) {
+ return super.visit(rel);
+ }
+
+ IgniteTable table = rel.getTable().unwrap(IgniteTable.class);
+
+ RexBuilder rexBuilder = rel.getCluster().getRexBuilder();
+
+ ModifyNodeShuttle modify = new ModifyNodeShuttle();
+ rel.accept(modify);
+
+ extractFromValues(rel.sourceId(), table, modify.values,
modify.projections, modify.exprProjections, rexBuilder);
+
+ return super.visit(rel);
+ }
+
+ private void extractFromValues(
+ long sourceId,
+ IgniteTable table,
+ @Nullable IgniteValues vals,
+ @Nullable List<RexNode> projections,
+ @Nullable List<List<RexNode>> exprProjections,
+ RexBuilder rexBuilder
+ ) {
+ if (vals == null && exprProjections == null) {
+ return;
+ }
+
+ IgniteDistribution distribution = table.distribution();
+ if (!distribution.function().affinity()) {
+ return;
+ }
+
+ IntArrayList keysList = new
IntArrayList(distribution.getKeys().size());
+ for (Integer key : distribution.getKeys()) {
+ keysList.add(key.intValue());
+ }
+
+ Mappings.TargetMapping mapping = null;
+
+ if (projections != null) {
+ IntArrayList projList = new IntArrayList();
+ for (RexNode node : projections) {
+ if (node instanceof RexInputRef) {
+ int idx = ((RexInputRef) node).getIndex();
+ if (keysList.contains(idx)) {
+ projList.add(((RexInputRef) node).getIndex());
+ }
+ } else {
+ if (!isValueExpr(node)) {
+ return;
+ }
+ }
+ }
+
+ if (!projList.containsAll(keysList)) {
+ return;
+ }
+
+ projections = replaceInputRefs(projections);
+
+ mapping = RexUtils.inversePermutation(projections,
+ table.getRowType(Commons.typeFactory()), true);
+ }
+
+ List<RexNode> andEqNodes = new ArrayList<>();
+
+ RelDataType rowTypes = table.getRowType(Commons.typeFactory());
+
+ assert exprProjections == null || vals == null;
Review Comment:
Never happens - the first line of this methods is
>if (vals == null && exprProjections == null) {
> return;
> }
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