Package com.facebook.presto.sql.analyzer

Examples of com.facebook.presto.sql.analyzer.Field

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        TableHandle handle = analysis.getTableHandle(node);

        ImmutableList.Builder<Symbol> outputSymbolsBuilder = ImmutableList.builder();
        ImmutableMap.Builder<Symbol, ColumnHandle> columns = ImmutableMap.builder();
        for (int i = 0; i < descriptor.getFields().size(); i++) {
            Field field = descriptor.getFields().get(i);
            Symbol symbol = symbolAllocator.newSymbol(field.getName().get(), field.getType());

            outputSymbolsBuilder.add(symbol);
            columns.put(symbol, analysis.getColumn(field));
        }
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            ImmutableMap.Builder<Symbol, ColumnHandle> inputColumnsBuilder = ImmutableMap.builder();
            ImmutableList.Builder<Field> fields = ImmutableList.builder();
            ImmutableList.Builder<ColumnHandle> columnHandleBuilder = ImmutableList.builder();

            for (ColumnMetadata column : sourceTableMetadata.getColumns()) {
                Field field = Field.newQualified(sourceTable.asQualifiedName(), Optional.of(column.getName()), Type.fromRaw(column.getType()));
                Symbol symbol = symbolAllocator.newSymbol(field);

                inputColumnsBuilder.put(symbol, sourceTableColumns.get(column.getName()));
                ColumnHandle targetColumnHandle = targetTableColumns.get(column.getName());
                fields.add(field);
                columnHandleBuilder.add(targetColumnHandle);
                outputSymbolsBuilder.add(symbol);
            }

            ImmutableList<Symbol> outputSymbols = outputSymbolsBuilder.build();
            plan = new RelationPlan(new TableScanNode(idAllocator.getNextId(), sourceTableHandle, outputSymbols, inputColumnsBuilder.build(), TRUE_LITERAL, TRUE_LITERAL), new TupleDescriptor(fields.build()), outputSymbols);

            targetColumnHandles = columnHandleBuilder.build();
        }
        else {
            RelationPlanner planner = new RelationPlanner(analysis, symbolAllocator, idAllocator, metadata, session);
            plan = planner.process(analysis.getQuery(), null);

            // TODO: create table and periodic import in pre-execution step, not here

            // Create the destination table
            ImmutableList.Builder<ColumnMetadata> columns = ImmutableList.builder();
            for (int i = 0; i < plan.getDescriptor().getFields().size(); i++) {
                Field field = plan.getDescriptor().getFields().get(i);
                String name = field.getName().or("_field" + i);
                ColumnMetadata columnMetadata = new ColumnMetadata(name, field.getType().getColumnType(), i, false);
                columns.add(columnMetadata);
            }
            TableMetadata tableMetadata = new TableMetadata(destination.asSchemaTableName(), columns.build());
            targetTable = metadata.createTable(destination.getCatalogName(), tableMetadata);
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    {
        ImmutableList.Builder<String> names = ImmutableList.builder();
        ImmutableList.Builder<Symbol> outputs = ImmutableList.builder();

        for (int i = 0; i < analysis.getOutputDescriptor().getFields().size(); i++) {
            Field field = analysis.getOutputDescriptor().getFields().get(i);
            String name = field.getName().or("_col" + i);

            names.add(name);
            outputs.add(plan.getSymbol(i));
        }
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        ImmutableMap.Builder<Symbol, Expression> projections = ImmutableMap.builder();
        for (FieldOrExpression fieldOrExpression : ImmutableSet.copyOf(expressions)) {
            Symbol symbol;

            if (fieldOrExpression.isFieldReference()) {
                Field field = subPlan.getRelationPlan().getDescriptor().getFields().get(fieldOrExpression.getFieldIndex());
                symbol = symbolAllocator.newSymbol(field);
            }
            else {
                Expression expression = fieldOrExpression.getExpression();
                symbol = symbolAllocator.newSymbol(expression, analysis.getType(expression));
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            ImmutableMap.Builder<Symbol, ColumnHandle> inputColumnsBuilder = ImmutableMap.builder();
            ImmutableList.Builder<Field> fields = ImmutableList.builder();
            ImmutableList.Builder<ColumnHandle> columnHandleBuilder = ImmutableList.builder();

            for (ColumnMetadata column : sourceTableMetadata.getColumns()) {
                Field field = Field.newQualified(sourceTable.asQualifiedName(), Optional.of(column.getName()), Type.fromRaw(column.getType()));
                Symbol symbol = symbolAllocator.newSymbol(field);

                inputColumnsBuilder.put(symbol, sourceTableColumns.get(column.getName()));
                ColumnHandle targetColumnHandle = targetTableColumns.get(column.getName());
                fields.add(field);
                columnHandleBuilder.add(targetColumnHandle);
                outputSymbolsBuilder.add(symbol);
            }

            ImmutableList<Symbol> outputSymbols = outputSymbolsBuilder.build();
            plan = new RelationPlan(new TableScanNode(idAllocator.getNextId(), sourceTableHandle, outputSymbols, inputColumnsBuilder.build(), null, Optional.<GeneratedPartitions>absent()), new TupleDescriptor(fields.build()), outputSymbols);

            targetColumnHandles = columnHandleBuilder.build();
        }
        else {
            RelationPlanner planner = new RelationPlanner(analysis, symbolAllocator, idAllocator, metadata, session);
            plan = planner.process(analysis.getQuery(), null);

            // TODO: create table and periodic import in pre-execution step, not here

            // Create the destination table
            ImmutableList.Builder<ColumnMetadata> columns = ImmutableList.builder();
            for (int i = 0; i < plan.getDescriptor().getFields().size(); i++) {
                Field field = plan.getDescriptor().getFields().get(i);
                String name = field.getName().or("_field" + i);
                ColumnMetadata columnMetadata = new ColumnMetadata(name, field.getType().getColumnType(), i, false);
                columns.add(columnMetadata);
            }

            TableMetadata tableMetadata = createTableMetadata(destination, columns.build());
            targetTable = metadata.createTable(destination.getCatalogName(), tableMetadata);
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    {
        ImmutableList.Builder<String> names = ImmutableList.builder();
        ImmutableList.Builder<Symbol> outputs = ImmutableList.builder();

        for (int i = 0; i < analysis.getOutputDescriptor().getFields().size(); i++) {
            Field field = analysis.getOutputDescriptor().getFields().get(i);
            String name = field.getName().or("_col" + i);

            names.add(name);
            outputs.add(plan.getSymbol(i));
        }
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    private static List<ColumnMetadata> getTableColumns(RelationPlan plan)
    {
        ImmutableList.Builder<ColumnMetadata> columns = ImmutableList.builder();
        List<Field> fields = plan.getDescriptor().getFields();
        for (int i = 0; i < fields.size(); i++) {
            Field field = fields.get(i);
            String name = field.getName().get();
            ColumnType type = field.getType().getColumnType();
            columns.add(new ColumnMetadata(name, type, i, false));
        }
        return columns.build();
    }
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        TableHandle handle = analysis.getTableHandle(node);

        ImmutableList.Builder<Symbol> outputSymbolsBuilder = ImmutableList.builder();
        ImmutableMap.Builder<Symbol, ColumnHandle> columns = ImmutableMap.builder();
        for (int i = 0; i < descriptor.getFields().size(); i++) {
            Field field = descriptor.getFields().get(i);
            Symbol symbol = symbolAllocator.newSymbol(field.getName().get(), field.getType());

            outputSymbolsBuilder.add(symbol);
            columns.put(symbol, analysis.getColumn(field));
        }
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        TableHandle handle = analysis.getTableHandle(node);

        ImmutableList.Builder<Symbol> outputSymbolsBuilder = ImmutableList.builder();
        ImmutableMap.Builder<Symbol, ColumnHandle> columns = ImmutableMap.builder();
        for (int i = 0; i < descriptor.getFields().size(); i++) {
            Field field = descriptor.getFields().get(i);
            Symbol symbol = symbolAllocator.newSymbol(field.getName().get(), field.getType());

            outputSymbolsBuilder.add(symbol);
            columns.put(symbol, analysis.getColumn(field));
        }
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        TableHandle handle = analysis.getTableHandle(node);

        ImmutableList.Builder<Symbol> outputSymbolsBuilder = ImmutableList.builder();
        ImmutableMap.Builder<Symbol, ColumnHandle> columns = ImmutableMap.builder();
        for (int i = 0; i < descriptor.getFields().size(); i++) {
            Field field = descriptor.getFields().get(i);
            Symbol symbol = symbolAllocator.newSymbol(field.getName().get(), field.getType());

            outputSymbolsBuilder.add(symbol);
            columns.put(symbol, analysis.getColumn(field));
        }
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Related Classes of com.facebook.presto.sql.analyzer.Field

  • com.facebook.presto.sql.planner.LogicalPlanner
  • com.facebook.presto.sql.planner.QueryPlanner
  • com.facebook.presto.sql.planner.RelationPlanner
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