Examples of com.foundationdb.qp.operator.SimpleQueryContext

com.foundationdb.qp.operator.SimpleQueryContext
A {@link QueryContext} for use without a full server for internal plans / testing.

                break;
            case TABLE:
                if(transform.deleteOperator != null && transform.insertOperator != null) {
                    Schema schema = transform.rowType.schema();
                    StoreAdapter adapter = store.createAdapter(session, schema);
                    context = new SimpleQueryContext(adapter);
                    QueryBindings bindings = context.createBindings();
                    if (doDelete) {
                        Row origOldRow = new RowDataRow(transform.rowType, oldRowData);
                        bindings.setRow(OperatorAssembler.CREATE_AS_BINDING_POSITION, origOldRow);
                        try {
                            runPlan(context, transform.deleteOperator, bindings);
                        } catch (NoSuchRowException e) {
                            LOG.debug("row not present: {}", origOldRow);
                        }
                    }
                    if (doWrite) {
                        Row origOldRow = new RowDataRow(transform.rowType, newRowData);
                        bindings.setRow(OperatorAssembler.CREATE_AS_BINDING_POSITION, origOldRow);
                        try {
                            runPlan(context, transform.insertOperator, bindings);
                        } catch (NoSuchRowException e) {
                            LOG.debug("row not present: {}", origOldRow);
                        }
                    }
                    break;
                }
            case GROUP:
                Schema schema = transform.rowType.schema();
                StoreAdapter adapter = store.createAdapter(session, schema);
                context = new SimpleQueryContext(adapter);
                QueryBindings bindings = context.createBindings();
                if(doDelete) {
                    Row origOldRow = new RowDataRow(transform.rowType, oldRowData);
                    Row newOldRow = transformRow(context, bindings, transform, origOldRow);
                    try {

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                                                             oldTable,
                                                             newRowType,
                                                             changeLevel == ChangeLevel.GROUP,
                                                             typesRegistry,
                                                             typesTranslator,
                                                             new SimpleQueryContext());
                }
            break;
        }
        return new TableTransform(changeLevel,
                                  new SchemaManagerSaver(changeSet.getTableId()),

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        return (Rebindable)toRebind;
    }


    private static QueryContext contextIfNull(QueryContext context, StoreAdapter adapter) {
        if(context == null) {
            return new SimpleQueryContext(adapter);
        }
        assert(context.getSession() != null);
        return new DelegatingContext(adapter, context);
    }

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        Table table = ais.getTable(tid);
        List<Column> columns = Collections.singletonList(table.getColumn("name"));
        InputStream istr = new ByteArrayInputStream(CSV.getBytes("UTF-8"));
        Schema schema = SchemaCache.globalSchema(ais);
        StoreAdapter adapter = newStoreAdapter(schema);
        QueryContext queryContext = new SimpleQueryContext(adapter) {
                @Override
                public ServiceManager getServiceManager() {
                    return serviceManager();
                }
                @Override

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        DumpGroupLoadablePlan loadablePlan = new DumpGroupLoadablePlan();
        DirectObjectPlan plan = loadablePlan.plan();


        Schema schema = new Schema(ais());
        StoreAdapter adapter = newStoreAdapter(schema);
        QueryContext queryContext = new SimpleQueryContext(adapter) {
                @Override
                public String getCurrentSchema() {
                    return SCHEMA_NAME;
                }
            };
        QueryBindings queryBindings = queryContext.createBindings();
        queryBindings.setValue(0, new Value(MString.varcharFor(SCHEMA_NAME), SCHEMA_NAME));
        queryBindings.setValue(1, new Value(MString.varcharFor(groupName), groupName));
        if (multiple)
            queryBindings.setValue(2, new Value(MNumeric.INT.instance(false), 10));
        if (commitFreq > 0)

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    }


    @Override
    public String generateResult() throws Exception {
        StatementNode stmt = parser.parseStatement(sql);
        ExplainPlanContext context = new ExplainPlanContext(compiler, new SimpleQueryContext(null));
        BasePlannable result = compiler.compile((DMLStatementNode)stmt, 
                                                parser.getParameterList(), context);
        return result.explainToString(context.getExplainContext(), OptimizerTestBase.DEFAULT_SCHEMA, DefaultFormatter.LevelOfDetail.VERBOSE_WITHOUT_COST);
    }

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        Table table = ais().getTable(tableName);
        Schema schema = SchemaCache.globalSchema(ais());
        TableRowType rowType = schema.tableRowType(table);
        MemoryAdapter adapter = new MemoryAdapter(schema, session(), configService());


        QueryContext queryContext = new SimpleQueryContext(adapter);
        Row[] rows = objectToRows(expected, rowType);


        Cursor cursor = API.cursor(
                API.limit_Default(API.groupScan_Default(table.getGroup()), limit), 
                queryContext, queryContext.createBindings());
        compareRows(rows, cursor, true);


    }

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        Table table = ais().getTable(tableName);
        Schema schema = SchemaCache.globalSchema(ais());
        TableRowType rowType = schema.tableRowType(table);
        MemoryAdapter adapter = new MemoryAdapter(schema, session(), configService());


        QueryContext queryContext = new SimpleQueryContext(adapter);
        
        List<TPreparedExpression> pExpressions = new ArrayList<>(1);
       
        Value value = new Value(rowType.typeAt(columnNum));
        value.putNull();
        TPreptimeValue ptval = new TPreptimeValue (value.getType(), value);
        pExpressions.add(new TPreparedLiteral(ptval.type(), ptval.value()));
        
        ValuesRowType expectedType = schema.newValuesType(rowType.typeAt(columnNum));
        
        Row[] rows = objectToRows(expected, expectedType);
        
        Cursor cursor = API.cursor(
                API.project_Default(
                        API.groupScan_Default(table.getGroup()),
                        rowType, pExpressions),
                    queryContext, 
                    queryContext.createBindings());
        
        compareRows(rows, cursor, true);
    }

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