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Example 1 with Scope

use of io.prestosql.sql.analyzer.Scope in project hetu-core by openlookeng.

the class QueryPlanner method planUpdateRowAsInsert.

public UpdateDeleteRelationPlan planUpdateRowAsInsert(Update node) {
    Table table = node.getTable();
    RelationType descriptor = analysis.getOutputDescriptor(table);
    TableHandle handle = analysis.getTableHandle(table);
    ColumnHandle rowIdHandle = analysis.getRowIdHandle(table);
    ColumnMetadata rowIdColumnMetadata = metadata.getColumnMetadata(session, handle, rowIdHandle);
    // add table columns
    ImmutableList.Builder<Symbol> outputSymbols = ImmutableList.builder();
    ImmutableMap.Builder<Symbol, ColumnHandle> columnsBuilder = ImmutableMap.builder();
    ImmutableList.Builder<Field> fields = ImmutableList.builder();
    for (Field field : descriptor.getAllFields()) {
        Symbol symbol = planSymbolAllocator.newSymbol(field);
        outputSymbols.add(symbol);
        columnsBuilder.put(symbol, analysis.getColumn(field));
        fields.add(field);
    }
    // create table scan
    ImmutableMap<Symbol, ColumnHandle> columns = columnsBuilder.build();
    PlanNode tableScan = TableScanNode.newInstance(idAllocator.getNextId(), handle, outputSymbols.build(), columns, ReuseExchangeOperator.STRATEGY.REUSE_STRATEGY_DEFAULT, new UUID(0, 0), 0, true);
    Scope scope = Scope.builder().withRelationType(RelationId.anonymous(), new RelationType(fields.build())).build();
    RelationPlan relationPlan = new RelationPlan(tableScan, scope, outputSymbols.build());
    TranslationMap translations = new TranslationMap(relationPlan, analysis, lambdaDeclarationToSymbolMap);
    translations.setFieldMappings(relationPlan.getFieldMappings());
    PlanBuilder builder = new PlanBuilder(translations, relationPlan.getRoot());
    Optional<RowExpression> predicate = Optional.empty();
    if (node.getWhere().isPresent()) {
        builder = filter(builder, node.getWhere().get(), node);
        if (builder.getRoot() instanceof FilterNode) {
            predicate = Optional.of(((FilterNode) builder.getRoot()).getPredicate());
        }
    }
    List<AssignmentItem> assignmentItems = node.getAssignmentItems();
    Analysis.Update update = analysis.getUpdate().get();
    Assignments.Builder assignments = Assignments.builder();
    TableMetadata tableMetadata = metadata.getTableMetadata(session, update.getTarget());
    Symbol orderBySymbol = null;
    for (Map.Entry<Symbol, ColumnHandle> entry : columns.entrySet()) {
        ColumnMetadata column;
        ColumnHandle columnHandle = entry.getValue();
        Symbol input = entry.getKey();
        if (columnHandle.getColumnName().equals(rowIdHandle.getColumnName())) {
            column = rowIdColumnMetadata;
        } else {
            column = tableMetadata.getColumn(columnHandle.getColumnName());
        }
        if (column != rowIdColumnMetadata && column.isHidden()) {
            continue;
        }
        Symbol output = planSymbolAllocator.newSymbol(column.getName(), column.getType());
        Type tableType = column.getType();
        Type queryType = planSymbolAllocator.getTypes().get(input);
        List<AssignmentItem> assignment = assignmentItems.stream().filter(item -> item.getName().equals(QualifiedName.of(column.getName()))).collect(Collectors.toList());
        if (!assignment.isEmpty()) {
            Expression expression = assignment.get(0).getValue();
            Expression cast;
            if (expression instanceof Identifier) {
                // assigning by column reference
                Optional<Symbol> first = columns.entrySet().stream().filter(e -> e.getValue().getColumnName().equals(((Identifier) expression).getValue())).map(Entry::getKey).findFirst();
                Symbol source = (first.orElseThrow(() -> new IllegalArgumentException("Unable to find column " + ((Identifier) expression).getValue())));
                cast = new Cast(toSymbolReference(source), tableType.getTypeSignature().toString());
            } else {
                cast = new Cast(expression, tableType.getTypeSignature().toString());
            }
            assignments.put(output, castToRowExpression(cast));
        } else if (queryType.equals(tableType) || typeCoercion.isTypeOnlyCoercion(queryType, tableType)) {
            assignments.put(output, castToRowExpression(toSymbolReference(input)));
        } else {
            Expression cast = new Cast(toSymbolReference(input), tableType.getTypeSignature().toString());
            assignments.put(output, castToRowExpression(cast));
        }
        if (column == rowIdColumnMetadata) {
            orderBySymbol = output;
        }
    }
    ProjectNode projectNode = new ProjectNode(idAllocator.getNextId(), builder.getRoot(), assignments.build());
    PlanBuilder planBuilder = new PlanBuilder(translations, projectNode);
    SortOrder sortOrder = SortOrder.ASC_NULLS_LAST;
    Symbol sortSymbol = orderBySymbol;
    Map<Symbol, SortOrder> sortOrderMap = ImmutableMap.<Symbol, SortOrder>builder().put(sortSymbol, sortOrder).build();
    OrderingScheme orderingScheme = new OrderingScheme(ImmutableList.of(sortSymbol), sortOrderMap);
    builder = sort(planBuilder, Optional.of(orderingScheme));
    ImmutableList.Builder<Field> projectFields = ImmutableList.builder();
    projectFields.addAll(fields.build().stream().filter(x -> !x.isHidden()).collect(toImmutableList()));
    scope = Scope.builder().withRelationType(RelationId.anonymous(), new RelationType(projectFields.build())).build();
    RelationPlan plan = new RelationPlan(builder.getRoot(), scope, projectNode.getOutputSymbols());
    List<String> visibleTableColumnNames = tableMetadata.getColumns().stream().filter(c -> !c.isHidden()).map(ColumnMetadata::getName).collect(Collectors.toList());
    visibleTableColumnNames.add(rowIdColumnMetadata.getName());
    return new UpdateDeleteRelationPlan(plan, visibleTableColumnNames, columns, predicate);
}
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Example 2 with Scope

use of io.prestosql.sql.analyzer.Scope in project hetu-core by openlookeng.

the class LogicalPlanner method createInsertPlan.

private RelationPlan createInsertPlan(Analysis analysis, Insert insertStatement) {
    Analysis.Insert insert = analysis.getInsert().get();
    TableMetadata tableMetadata = metadata.getTableMetadata(session, insert.getTarget());
    List<ColumnMetadata> visibleTableColumns = tableMetadata.getColumns().stream().filter(column -> !column.isHidden()).collect(toImmutableList());
    List<String> visibleTableColumnNames = visibleTableColumns.stream().map(ColumnMetadata::getName).collect(toImmutableList());
    RelationPlan plan = createRelationPlan(analysis, insertStatement.getQuery());
    Map<String, ColumnHandle> columns = metadata.getColumnHandles(session, insert.getTarget());
    Assignments.Builder assignments = Assignments.builder();
    for (ColumnMetadata column : tableMetadata.getColumns()) {
        if (column.isHidden()) {
            continue;
        }
        Symbol output = planSymbolAllocator.newSymbol(column.getName(), column.getType());
        int index = insert.getColumns().indexOf(columns.get(column.getName()));
        if (index < 0) {
            Expression cast = new Cast(new NullLiteral(), column.getType().getTypeSignature().toString());
            assignments.put(output, castToRowExpression(cast));
        } else {
            Symbol input = plan.getSymbol(index);
            Type tableType = column.getType();
            Type queryType = planSymbolAllocator.getTypes().get(input);
            if (queryType.equals(tableType) || typeCoercion.isTypeOnlyCoercion(queryType, tableType)) {
                assignments.put(output, castToRowExpression(toSymbolReference(input)));
            } else {
                Expression cast = noTruncationCast(toSymbolReference(input), queryType, tableType);
                assignments.put(output, castToRowExpression(cast));
            }
        }
    }
    ProjectNode projectNode = new ProjectNode(idAllocator.getNextId(), plan.getRoot(), assignments.build());
    List<Field> fields = visibleTableColumns.stream().map(column -> Field.newUnqualified(column.getName(), column.getType())).collect(toImmutableList());
    Scope scope = Scope.builder().withRelationType(RelationId.anonymous(), new RelationType(fields)).build();
    plan = new RelationPlan(projectNode, scope, projectNode.getOutputSymbols());
    Optional<NewTableLayout> newTableLayout = metadata.getInsertLayout(session, insert.getTarget());
    String catalogName = insert.getTarget().getCatalogName().getCatalogName();
    TableStatisticsMetadata statisticsMetadata = metadata.getStatisticsCollectionMetadataForWrite(session, catalogName, tableMetadata.getMetadata());
    return createTableWriterPlan(analysis, plan, new InsertReference(insert.getTarget(), analysis.isInsertOverwrite()), visibleTableColumnNames, newTableLayout, statisticsMetadata);
}
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Example 3 with Scope

use of io.prestosql.sql.analyzer.Scope in project hetu-core by openlookeng.

the class LogicalPlanner method createInsertCubePlan.

private RelationPlan createInsertCubePlan(Analysis analysis, InsertCube insertCubeStatement) {
    Analysis.CubeInsert insert = analysis.getCubeInsert().get();
    TableMetadata tableMetadata = metadata.getTableMetadata(session, insert.getTarget());
    List<ColumnMetadata> visibleTableColumns = tableMetadata.getColumns().stream().filter(column -> !column.isHidden()).collect(toImmutableList());
    List<String> visibleTableColumnNames = visibleTableColumns.stream().map(ColumnMetadata::getName).collect(toImmutableList());
    RelationPlan plan = createRelationPlan(analysis, insertCubeStatement.getQuery());
    Map<String, ColumnHandle> columns = metadata.getColumnHandles(session, insert.getTarget());
    Assignments.Builder assignments = Assignments.builder();
    for (ColumnMetadata column : tableMetadata.getColumns()) {
        if (column.isHidden()) {
            continue;
        }
        Symbol output = planSymbolAllocator.newSymbol(column.getName(), column.getType());
        int index = insert.getColumns().indexOf(columns.get(column.getName()));
        if (index < 0) {
            Expression cast = new Cast(new NullLiteral(), column.getType().getTypeSignature().toString());
            assignments.put(output, castToRowExpression(cast));
        } else {
            Symbol input = plan.getSymbol(index);
            Type tableType = column.getType();
            Type queryType = planSymbolAllocator.getTypes().get(input);
            if (queryType.equals(tableType) || typeCoercion.isTypeOnlyCoercion(queryType, tableType)) {
                assignments.put(output, castToRowExpression(toSymbolReference(input)));
            } else {
                Expression cast = noTruncationCast(toSymbolReference(input), queryType, tableType);
                assignments.put(output, castToRowExpression(cast));
            }
        }
    }
    ProjectNode projectNode = new ProjectNode(idAllocator.getNextId(), plan.getRoot(), assignments.build());
    List<Field> fields = visibleTableColumns.stream().map(column -> Field.newUnqualified(column.getName(), column.getType())).collect(toImmutableList());
    Scope scope = Scope.builder().withRelationType(RelationId.anonymous(), new RelationType(fields)).build();
    plan = new RelationPlan(projectNode, scope, projectNode.getOutputSymbols());
    Optional<NewTableLayout> newTableLayout = metadata.getInsertLayout(session, insert.getTarget());
    String catalogName = insert.getTarget().getCatalogName().getCatalogName();
    TableStatisticsMetadata statisticsMetadata = metadata.getStatisticsCollectionMetadataForWrite(session, catalogName, tableMetadata.getMetadata());
    RelationPlan tableWriterPlan = createTableWriterPlan(analysis, plan, new InsertReference(insert.getTarget(), analysis.isCubeOverwrite()), visibleTableColumnNames, newTableLayout, statisticsMetadata);
    Expression rewritten = null;
    Set<Identifier> predicateColumns = new HashSet<>();
    if (insertCubeStatement.getWhere().isPresent()) {
        rewritten = new QueryPlanner(analysis, planSymbolAllocator, idAllocator, buildLambdaDeclarationToSymbolMap(analysis, planSymbolAllocator), metadata, session, namedSubPlan, uniqueIdAllocator).rewriteExpression(tableWriterPlan, insertCubeStatement.getWhere().get(), analysis, buildLambdaDeclarationToSymbolMap(analysis, planSymbolAllocator));
        predicateColumns.addAll(ExpressionUtils.getIdentifiers(rewritten));
    }
    CubeMetadata cubeMetadata = insert.getMetadata();
    if (!insertCubeStatement.isOverwrite() && !insertCubeStatement.getWhere().isPresent() && cubeMetadata.getCubeStatus() != CubeStatus.INACTIVE) {
        // Means data some data was inserted before, but trying to insert entire dataset
        throw new PrestoException(QUERY_REJECTED, "Cannot allow insert. Inserting entire dataset but cube already has partial data");
    } else if (insertCubeStatement.getWhere().isPresent()) {
        if (!canSupportPredicate(rewritten)) {
            throw new PrestoException(QUERY_REJECTED, String.format("Cannot support predicate '%s'", ExpressionFormatter.formatExpression(rewritten, Optional.empty())));
        }
        if (!insertCubeStatement.isOverwrite() && arePredicatesOverlapping(rewritten, cubeMetadata)) {
            throw new PrestoException(QUERY_REJECTED, String.format("Cannot allow insert. Cube already contains data for the given predicate '%s'", ExpressionFormatter.formatExpression(insertCubeStatement.getWhere().get(), Optional.empty())));
        }
    }
    TableHandle sourceTableHandle = insert.getSourceTable();
    // At this point it has been verified that source table has not been updated
    // so insert into cube should be allowed
    LongSupplier tableLastModifiedTimeSupplier = metadata.getTableLastModifiedTimeSupplier(session, sourceTableHandle);
    checkState(tableLastModifiedTimeSupplier != null, "Table last modified time is null");
    Map<Symbol, Type> predicateColumnsType = predicateColumns.stream().map(identifier -> new Symbol(identifier.getValue())).collect(Collectors.toMap(Function.identity(), symbol -> planSymbolAllocator.getTypes().get(symbol), (key1, ignored) -> key1));
    CubeFinishNode cubeFinishNode = new CubeFinishNode(idAllocator.getNextId(), tableWriterPlan.getRoot(), planSymbolAllocator.newSymbol("rows", BIGINT), new CubeUpdateMetadata(tableMetadata.getQualifiedName().toString(), tableLastModifiedTimeSupplier.getAsLong(), rewritten != null ? ExpressionFormatter.formatExpression(rewritten, Optional.empty()) : null, insertCubeStatement.isOverwrite()), predicateColumnsType);
    return new RelationPlan(cubeFinishNode, analysis.getScope(insertCubeStatement), cubeFinishNode.getOutputSymbols());
}
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Example 4 with Scope

use of io.prestosql.sql.analyzer.Scope in project hetu-core by openlookeng.

the class QueryPlanner method planImplicitTable.

private RelationPlan planImplicitTable() {
    List<RowExpression> emptyRow = ImmutableList.of();
    Scope scope = Scope.create();
    return new RelationPlan(new ValuesNode(idAllocator.getNextId(), ImmutableList.of(), ImmutableList.of(emptyRow)), scope, ImmutableList.of());
}
Also used : ValuesNode(io.prestosql.spi.plan.ValuesNode) Scope(io.prestosql.sql.analyzer.Scope) OriginalExpressionUtils.castToRowExpression(io.prestosql.sql.relational.OriginalExpressionUtils.castToRowExpression) RowExpression(io.prestosql.spi.relation.RowExpression)

Example 5 with Scope

use of io.prestosql.sql.analyzer.Scope in project hetu-core by openlookeng.

the class RelationPlanner method visitValues.

@Override
protected RelationPlan visitValues(Values node, Void context) {
    Scope scope = analysis.getScope(node);
    ImmutableList.Builder<Symbol> outputSymbolsBuilder = ImmutableList.builder();
    for (Field field : scope.getRelationType().getVisibleFields()) {
        Symbol symbol = planSymbolAllocator.newSymbol(field);
        outputSymbolsBuilder.add(symbol);
    }
    ImmutableList.Builder<List<RowExpression>> rows = ImmutableList.builder();
    for (Expression row : node.getRows()) {
        ImmutableList.Builder<RowExpression> values = ImmutableList.builder();
        if (row instanceof Row) {
            for (Expression item : ((Row) row).getItems()) {
                Expression expression = Coercer.addCoercions(item, analysis);
                values.add(castToRowExpression(ExpressionTreeRewriter.rewriteWith(new ParameterRewriter(analysis.getParameters(), analysis), expression)));
            }
        } else {
            Expression expression = Coercer.addCoercions(row, analysis);
            values.add(castToRowExpression(ExpressionTreeRewriter.rewriteWith(new ParameterRewriter(analysis.getParameters(), analysis), expression)));
        }
        rows.add(values.build());
    }
    ValuesNode valuesNode = new ValuesNode(idAllocator.getNextId(), outputSymbolsBuilder.build(), rows.build());
    return new RelationPlan(valuesNode, scope, outputSymbolsBuilder.build());
}
Also used : ValuesNode(io.prestosql.spi.plan.ValuesNode) ImmutableList.toImmutableList(com.google.common.collect.ImmutableList.toImmutableList) ImmutableList(com.google.common.collect.ImmutableList) Symbol(io.prestosql.spi.plan.Symbol) OriginalExpressionUtils.castToRowExpression(io.prestosql.sql.relational.OriginalExpressionUtils.castToRowExpression) RowExpression(io.prestosql.spi.relation.RowExpression) Field(io.prestosql.sql.analyzer.Field) Scope(io.prestosql.sql.analyzer.Scope) OriginalExpressionUtils.castToRowExpression(io.prestosql.sql.relational.OriginalExpressionUtils.castToRowExpression) ComparisonExpression(io.prestosql.sql.tree.ComparisonExpression) Expression(io.prestosql.sql.tree.Expression) CoalesceExpression(io.prestosql.sql.tree.CoalesceExpression) RowExpression(io.prestosql.spi.relation.RowExpression) ImmutableList.toImmutableList(com.google.common.collect.ImmutableList.toImmutableList) ArrayList(java.util.ArrayList) List(java.util.List) ImmutableList(com.google.common.collect.ImmutableList) Row(io.prestosql.sql.tree.Row)

Aggregations

Scope (io.prestosql.sql.analyzer.Scope)9 Symbol (io.prestosql.spi.plan.Symbol)8 ImmutableList (com.google.common.collect.ImmutableList)7 ImmutableList.toImmutableList (com.google.common.collect.ImmutableList.toImmutableList)7 Field (io.prestosql.sql.analyzer.Field)7 OriginalExpressionUtils.castToRowExpression (io.prestosql.sql.relational.OriginalExpressionUtils.castToRowExpression)7 ImmutableMap (com.google.common.collect.ImmutableMap)6 PlanNode (io.prestosql.spi.plan.PlanNode)6 ValuesNode (io.prestosql.spi.plan.ValuesNode)6 Type (io.prestosql.spi.type.Type)6 RelationType (io.prestosql.sql.analyzer.RelationType)6 Expression (io.prestosql.sql.tree.Expression)6 ColumnHandle (io.prestosql.spi.connector.ColumnHandle)5 TableHandle (io.prestosql.spi.metadata.TableHandle)5 RowExpression (io.prestosql.spi.relation.RowExpression)5 ArrayList (java.util.ArrayList)5 List (java.util.List)5 UUID (java.util.UUID)5 ImmutableMap.toImmutableMap (com.google.common.collect.ImmutableMap.toImmutableMap)4 TableMetadata (io.prestosql.metadata.TableMetadata)4