@Override public RelNode visit(LogicalProject project) { final RelNode input = project.getInput().accept(this); return new LogicalProject( cluster, copyOf(project.getTraitSet()), input, Lists.transform(project.getProjects(), COPY_REX_NODE), copyOf(project.getRowType()) ); }
@Override public RelNode visit(LogicalProject project) { final RenameConvertToConvertFromVisitor renameVisitor = new RenameConvertToConvertFromVisitor(project.getCluster().getRexBuilder(), table); final List<RexNode> projExpr = Lists.newArrayList(); for(RexNode rexNode : project.getChildExps()) { projExpr.add(rexNode.accept(unwrappingExpressionVisitor)); } project = project.copy(project.getTraitSet(), project.getInput(), projExpr, project.getRowType()); List<RexNode> exprList = new ArrayList<>(); boolean rewrite = false; for (RexNode rex : project.getChildExps()) { RexNode newExpr = rex.accept(renameVisitor); if (newExpr != rex) { rewrite = true; } exprList.add(newExpr); } if (rewrite == true) { LogicalProject newProject = project.copy(project.getTraitSet(), project.getInput(0), exprList, project.getRowType()); return visitChild(newProject, 0, project.getInput()); } return visitChild(project, 0, project.getInput()); }
@Override public RelNode convert(RelNode relNode) { final LogicalProject project = (LogicalProject) relNode; final RelTraitSet traitSet = project.getTraitSet().replace(out); return new ElasticsearchProject(project.getCluster(), traitSet, convert(project.getInput(), out), project.getProjects(), project.getRowType()); } }
public void onMatch(RelOptRuleCall call) { final LogicalFilter filter = call.rel(0); final LogicalProject project = call.rel(1); final List<RexNode> newProjects = new ArrayList<>(project.getProjects()); newProjects.add(filter.getCondition()); final RelOptCluster cluster = filter.getCluster(); RelDataType newRowType = cluster.getTypeFactory().builder() .addAll(project.getRowType().getFieldList()) .add("condition", Util.last(newProjects).getType()) .build(); final RelNode newProject = project.copy(project.getTraitSet(), project.getInput(), newProjects, newRowType); final RexInputRef newCondition = cluster.getRexBuilder().makeInputRef(newProject, newProjects.size() - 1); call.transformTo(LogicalFilter.create(newProject, newCondition)); } }
public void onMatch(RelOptRuleCall call) { final LogicalFilter filter = call.rel(0); final LogicalProject project = call.rel(1); final List<RexNode> newProjects = new ArrayList<>(project.getProjects()); newProjects.add(filter.getCondition()); final RelOptCluster cluster = filter.getCluster(); RelDataType newRowType = cluster.getTypeFactory().builder() .addAll(project.getRowType().getFieldList()) .add("condition", Util.last(newProjects).getType()) .build(); final RelNode newProject = project.copy(project.getTraitSet(), project.getInput(), newProjects, newRowType); final RexInputRef newCondition = cluster.getRexBuilder().makeInputRef(newProject, newProjects.size() - 1); call.transformTo(LogicalFilter.create(newProject, newCondition)); } }
project = project.copy(project.getTraitSet(), project.getInput(), projExpr, LogicalProject newProject = project.copy(project.getTraitSet(), project.getInput(0), exprList, project.getRowType()); return visitChild(newProject, 0, project.getInput());
@Override public RelNode visit(LogicalProject project) { RelNode input = project.getInput().accept(this); RelDataType incomingRowType = input.getRowType(); List<RexNode> newProjects; RelDataTypeField modField = incomingRowType.getField(UPDATE_COLUMN, false, false); if (modField == null) { return project; } newProjects = FluentIterable.from(project.getProjects()) .append(new RexInputRef(modField.getIndex(), modField.getType())) .toList(); FieldInfoBuilder fieldInfoBuilder = new FieldInfoBuilder(project.getCluster().getTypeFactory()); for (RelDataTypeField field : project.getRowType().getFieldList()) { fieldInfoBuilder.add(field); } fieldInfoBuilder.add(UPDATE_COLUMN, modField.getType()); return new LogicalProject( project.getCluster(), project.getTraitSet(), input, newProjects, fieldInfoBuilder.build() ); } }