Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use getTable method of org.evomaster.client.java.controller.internal.db.SchemaExtractor class

Best EvoMaster code snippet using org.evomaster.client.java.controller.internal.db.SchemaExtractor.getTable

Source:SchemaExtractor.java

...33            //not a foreign key34            return;35        }36        //TODO proper handling of multi-column PKs/FKs37        Optional<TableDto> targetTable = schema.tables.stream()38                .filter(t -> t.name.equals(fk.get().targetTable))39                .findFirst();40        if (!targetTable.isPresent()) {41            throw new IllegalArgumentException("Foreign key in table " + table.name +42                    " pointing to non-existent table " + fk.get().targetTable);43        }44        List<ColumnDto> pks = targetTable.get().columns.stream()45                .filter(c -> c.primaryKey)46                .collect(Collectors.toList());47        if (pks.isEmpty()) {48            throw new IllegalArgumentException("No PK in table " + targetTable.get().name + " that has FKs pointing to it");49        }50        for (ColumnDto pk : pks) {51            if (pk.autoIncrement || pk.foreignKeyToAutoIncrement) {52                throw new IllegalArgumentException("Column " + pk.name + " in table " +53                        pk.table + " is auto-increment, although FK pointing to it does not mark it " +54                        "as autoincrement in " + column.name + " in " + table.name55                );56            }57        }58    }59    private static void checkForeignKeyToAutoIncrementPresent(DbSchemaDto schema, TableDto table, ColumnDto column) {60        if (!column.foreignKeyToAutoIncrement) {61            return;62        }63        Optional<ForeignKeyDto> fk = table.foreignKeys.stream()64                .filter(it -> it.sourceColumns.contains(column.name))65                .findFirst();66        if (!fk.isPresent()) {67            throw new IllegalArgumentException("No foreign key constraint for marked column " +68                    column.name + " in table " + table.name);69        }70        //TODO proper handling of multi-column PKs/FKs71        Optional<TableDto> targetTable = schema.tables.stream()72                .filter(t -> t.name.equals(fk.get().targetTable))73                .findFirst();74        if (!targetTable.isPresent()) {75            throw new IllegalArgumentException("Foreign key in table " + table.name +76                    " pointing to non-existent table " + fk.get().targetTable);77        }78        //there should be only 1 PK, and that must be auto-increment79        List<ColumnDto> pks = targetTable.get().columns.stream()80                .filter(c -> c.primaryKey)81                .collect(Collectors.toList());82        if (pks.size() != 1) {83            throw new IllegalArgumentException("There must be only 1 PK in table " +84                    targetTable.get().name + " pointed by the FK-to-autoincrement " +85                    column.name + " in " + table.name + ". However, there were: " + pks.size());86        }87        ColumnDto pk = pks.get(0);88        if (!pk.autoIncrement && !pk.foreignKeyToAutoIncrement) {89            throw new IllegalArgumentException("Column " + pk.name + " in table " +90                    pk.table + " is not auto-increment, although FK pointing to it does mark it" +91                    "as autoincrement in " + column.name + " in " + table.name92            );93        }94    }95    public static DbSchemaDto extract(Connection connection) throws Exception {96        Objects.requireNonNull(connection);97        DbSchemaDto schemaDto = new DbSchemaDto();98        try {99            schemaDto.name = connection.getSchema();100        } catch (Exception | AbstractMethodError e) {101            /*102                In remote sessions, getSchema might fail.103                We do not do much with it anyway (at least for104                now), so not a big deal...105                Furthermore, some drivers might be compiled to Java 6,106                whereas getSchema was introduced in Java 7107             */108            schemaDto.name = "public";109        }110        DatabaseMetaData md = connection.getMetaData();111        String protocol = md.getURL(); //TODO better handling112        DatabaseType dt = DatabaseType.OTHER;113        if (protocol.contains(":h2")) {114            dt = DatabaseType.H2;115        } else if (protocol.contains(":derby")) {116            dt = DatabaseType.DERBY;117        } else if (protocol.contains(":postgresql")) {118            dt = DatabaseType.POSTGRES;119        }120        schemaDto.databaseType = dt;121        //see https://www.progress.com/blogs/jdbc-tutorial-extracting-database-metadata-via-jdbc-driver122        schemaDto.name = schemaDto.name.toUpperCase();123        ResultSet tables = md.getTables(null, schemaDto.name, null, new String[]{"TABLE"});124        Set<String> tableNames = new HashSet<>();125        /*126            Interfaces to deal with DBs are simply awful...127            Here, we first check with schema name in upper case, and, if that gives no results,128            we try with lower case... this is because different databases deal with upper/lower129            cases differently.130            But API does not give you any info on whether result set131            is empty or not, and only way is to call next()132         */133        if (!tables.next()) {134            tables.close();135            schemaDto.name = schemaDto.name.toLowerCase();136            tables = md.getTables(null, schemaDto.name, null, new String[]{"TABLE"});137            if (tables.next()) {138                do {139                    handleTableEntry(schemaDto, md, tables, tableNames);140                } while (tables.next());141            }142        } else {143            do {144                handleTableEntry(schemaDto, md, tables, tableNames);145            } while (tables.next());146        }147        tables.close();148        /*149            Mark those columns that are using auto generated values150         */151        addForeignKeyToAutoIncrement(schemaDto);152        /*153            JDBC MetaData is quite limited.154            To check constraints, we need to do SQL queries on the system tables.155            Unfortunately, this is database-dependent156         */157        addConstraints(connection, dt, schemaDto);158        assert validate(schemaDto);159        return schemaDto;160    }161    /**162     * Adds a unique constraint to the corresponding ColumnDTO for the selected table.column pair.163     * Requires the ColumnDTO to be contained in the TableDTO.164     * If the column DTO is not contained, a IllegalArgumentException is thrown.165     *166     * @param tableDto the DTO of the table167     * @param columnName the name of the column to add the unique constraint on168     **/169    public static void addUniqueConstraintToColumn(TableDto tableDto, String columnName) {170        ColumnDto columnDto = tableDto.columns.stream()171                .filter(c -> c.name.equals(columnName)).findAny().orElse(null);172        if (columnDto == null) {173            throw new IllegalArgumentException("Missing column DTO for column:" + tableDto.name + "." + columnName);174        }175        columnDto.unique = true;176    }177    /**178     * Appends constraints that are database specific.179     */180    private static void addConstraints(Connection connection, DatabaseType dt, DbSchemaDto schemaDto) throws SQLException {181        TableConstraintExtractor constraintExtractor = TableConstraintExtractorFactory.buildConstraintExtractor(dt);182        if (constraintExtractor != null) {183            final List<DbTableConstraint> dbTableConstraints = constraintExtractor.extract(connection, schemaDto);184            addConstraints(schemaDto, dbTableConstraints);185        } else {186            SimpleLogger.uniqueWarn("WARNING: EvoMaster cannot extract constraints from database " + dt);187        }188    }189    private static void addConstraints(DbSchemaDto schemaDto, List<DbTableConstraint> constraintList) {190        for (DbTableConstraint constraint : constraintList) {191            String tableName = constraint.getTableName();192            TableDto tableDto = schemaDto.tables.stream().filter(t -> t.name.equalsIgnoreCase(tableName)).findFirst().orElse(null);193            if (constraint instanceof DbTableCheckExpression) {194                TableCheckExpressionDto constraintDto = new TableCheckExpressionDto();195                final DbTableCheckExpression tableCheckExpression = (DbTableCheckExpression) constraint;196                constraintDto.sqlCheckExpression = tableCheckExpression.getSqlCheckExpression();197                tableDto.tableCheckExpressions.add(constraintDto);198            } else if (constraint instanceof DbTableUniqueConstraint) {199                DbTableUniqueConstraint tableUniqueConstraint = (DbTableUniqueConstraint) constraint;200                for (String columnName : tableUniqueConstraint.getUniqueColumnNames()) {201                    addUniqueConstraintToColumn(tableDto, columnName);202                }203            } else {204                throw new RuntimeException("Unknown constraint type " + constraint.getClass().getName());205            }206        }207    }208    private static void handleTableEntry(DbSchemaDto schemaDto, DatabaseMetaData md, ResultSet tables, Set<String> tableNames) throws SQLException {209        TableDto tableDto = new TableDto();210        schemaDto.tables.add(tableDto);211        tableDto.name = tables.getString("TABLE_NAME");212        if (tableNames.contains(tableDto.name)) {213            /*214             * Perhaps we should throw a more specific exception than IllegalArgumentException215             */216            throw new IllegalArgumentException("Cannot handle repeated table " + tableDto.name + " in schema");217        } else {218            tableNames.add(tableDto.name);219        }220        Set<String> pks = new HashSet<>();221        SortedMap<Integer, String> primaryKeySequence = new TreeMap<>();222        ResultSet rsPK = md.getPrimaryKeys(null, null, tableDto.name);223        while (rsPK.next()) {224            String pkColumnName = rsPK.getString("COLUMN_NAME");225            int positionInPrimaryKey = (int) rsPK.getShort("KEY_SEQ");226            pks.add(pkColumnName);227            int pkIndex = positionInPrimaryKey - 1;228            primaryKeySequence.put(pkIndex, pkColumnName);229        }230        rsPK.close();231        tableDto.primaryKeySequence.addAll(primaryKeySequence.values());232        ResultSet columns = md.getColumns(null, schemaDto.name, tableDto.name, null);233        Set<String> columnNames = new HashSet<>();234        while (columns.next()) {235            ColumnDto columnDto = new ColumnDto();236            tableDto.columns.add(columnDto);237            columnDto.table = tableDto.name;238            columnDto.name = columns.getString("COLUMN_NAME");239            if (columnNames.contains(columnDto.name)) {240                /**241                 * Perhaps we should throw a more specific exception than IllegalArgumentException242                 */243                throw new IllegalArgumentException("Cannot handle repeated column " + columnDto.name + " in table " + tableDto.name);244            } else {245                columnNames.add(columnDto.name);246            }247            columnDto.type = columns.getString("TYPE_NAME");248            columnDto.size = columns.getInt("COLUMN_SIZE");249            columnDto.nullable = columns.getBoolean("IS_NULLABLE");250            columnDto.autoIncrement = columns.getBoolean("IS_AUTOINCREMENT");251            //columns.getString("DECIMAL_DIGITS");252            columnDto.primaryKey = pks.contains(columnDto.name);253        }254        columns.close();255        ResultSet fks = md.getImportedKeys(null, null, tableDto.name);256        while (fks.next()) {257            //TODO need to see how to handle case of multi-columns258            ForeignKeyDto fkDto = new ForeignKeyDto();259            fkDto.sourceColumns.add(fks.getString("FKCOLUMN_NAME"));260            fkDto.targetTable = fks.getString("PKTABLE_NAME");261            tableDto.foreignKeys.add(fkDto);262        }263        fks.close();264    }265    /**266     * Sets the foreignKeyToAutoIncrement field in the Column DTO267     * when a column is a foreign key to an auto increment value.268     * This information will be needed to properly handle the269     * automatically generated values in primary keys that are270     * referenced by columns in other tables271     *272     * @param schema a DTO with the database information273     */274    private static void addForeignKeyToAutoIncrement(DbSchemaDto schema) {275        for (TableDto tableDto : schema.tables) {276            for (ColumnDto columnDto : tableDto.columns) {277                if (isFKToAutoIncrementColumn(schema, tableDto, columnDto.name)) {278                    columnDto.foreignKeyToAutoIncrement = true;279                }280            }281        }282    }283    /**284     * @return  a table DTO for a particular table name285     */286    private static TableDto getTable(DbSchemaDto schema, String tableName) {287        TableDto tableDto = schema.tables.stream()288                .filter(t -> t.name.equalsIgnoreCase(tableName))289                .findFirst().orElse(null);290        return tableDto;291    }292    private static ColumnDto getColumn(TableDto table, String columnName) {293        ColumnDto columnDto = table.columns.stream()294                .filter(c -> c.name.equalsIgnoreCase(columnName))295                .findFirst().orElse(null);296        return columnDto;297    }298    /**299     * Checks if the given table/column is a foreign key to an autoincrement column.300     * This is done to be able to compute foreignKeyToAutoIncrement boolean.301     * Otherwise, we could just read that boolean.302     *303     * @return true if the given table/column is a foreign key to an autoincrement column.304     */305    private static boolean isFKToAutoIncrementColumn(DbSchemaDto schema, TableDto tableDto, String columnName) {306        Objects.requireNonNull(schema);307        Objects.requireNonNull(tableDto);308        Objects.requireNonNull(columnName);309        // is this column among the declared FKs?310        if (!tableDto.foreignKeys.stream()311                .anyMatch(fk -> fk.sourceColumns.stream()312                        .anyMatch(s -> s.equalsIgnoreCase(columnName)))) {313            return false;314        }315        ColumnDto columnDto = getColumn(tableDto, columnName);316        if (columnDto.autoIncrement == true) {317            // Assuming here that a FK cannot be auto-increment318            return false;319        }320        // check if the column belongs to a foreign key that is non printable321        for (ForeignKeyDto fk : tableDto.foreignKeys) {322            if (fk.sourceColumns.stream()323                    .anyMatch(s -> s.equalsIgnoreCase(columnName))) {324                /*325                    TODO: instead of using those positions, should have proper326                    support for multi-column PKs/FKs327                 */328                int positionInFKSequence = fk.sourceColumns.indexOf(columnName);329                TableDto targetTableDto = getTable(schema, fk.targetTable);330                String targetColumnName = targetTableDto.primaryKeySequence.get(positionInFKSequence);331                ColumnDto targetColumnDto = getColumn(targetTableDto, targetColumnName);332                /*333                    Either that target PK is auto-increment, or itself is a FK to a non-printable PK334                 */335                if (targetColumnDto.autoIncrement ||336                        isFKToAutoIncrementColumn(schema, targetTableDto, targetColumnName)) {337                    return true;338                }339            }340        }341        return false;342    }343}...

getTable

Using AI Code Generation

1import org.evomaster.client.java.controller.internal.db.Table;2import org.evomaster.client.java.controller.internal.db.TableColumn;3import org.evomaster.client.java.controller.internal.db.TableIndex;4import org.evomaster.client.java.controller.internal.db.TableForeignKey;5import org.evomaster.client.java.controller.internal.db.TableRow;6import org.evomaster.client.java.controller.internal.db.SchemaExtractor;7import org.evomaster.client.java.controller.db.SqlScriptRunner;8import org.evomaster.client.java.controller.db.DbCleaner;9import org.evomaster.client.java.controller.db.SqlScriptRunner;10import org.evomaster.client.java.controller.db.DbCleaner;11import org.evomaster.client.java.controller.problem.ProblemInfo;12import org.evomaster.client.java.controller.problem.RestProblem;13import org.evomaster.client.java.controller.api.dto.SutInfoDto;14import org.evomaster.client.java.controller.api.dto.database.operations.DatabaseCommandDto;15import org.evomaster.client.java.controller.api.dto.database.operations.InsertionDto;16import org.evomaster.client.java.controller.api.dto.database.operations.SqlScriptDto;17import org.evomaster.client.java.controller.api.dto.database.operations.DeleteTableDto;18import org.evomaster.client.java.controller.api.dto.database.operations.InsertionDto;19import org.evomaster.client.java.controller.api.dto.database.operations.SqlScriptDto;20import org.evomaster.client.java.controller.api.dto.database.operations.DeleteTableDto;21import org.evomaster.client.java.controller.api.dto.database.schema.DatabaseType;22import org.evomaster.client.java.controller.api.dto.database.operations.DatabaseCommandDto;23import org.evomaster.client.java.controller.api.dto.database.schema.DatabaseType;24import org.evomaster.client.java.controller.api.dto.database.schema.SchemaDto;25import org.evomaster.client.java.controller.api.dto.database.schema.TableDto;26import org.evomaster.client.java.controller.api.dto.database.schema.TableColumnDto;27import org.evomaster.client.java.controller.api.dto.database.schema.TableIndexDto;28import org.evomaster.client.java.controller.api.dto.database.schema.TableDto;29import org.evomaster.client.java.controller.api.dto.database.schema.TableColumnDto;30import org.evomaster.client.java.controller.api.dto.database.schema.TableIndexDto;31import org.evomaster.client.java.controller.api.dto.database.schema.TableForeignKeyDto;32import org.evomaster.client.java.controller.api.dto.database.schema.TableRowDto;33import org.evomaster.client.java.controller.api.dto.database.schema.TableForeignKeyDto;34import org.evom

getTable

Using AI Code Generation

1        schemaExtractor = new SchemaExtractor(connection);2        List<Table> tables = schemaExtractor.getTables();3        schemaExtractor = new SchemaExtractor(connection);4        List<Table> tables = schemaExtractor.getTables();5        schemaExtractor = new SchemaExtractor(connection);6        List<Table> tables = schemaExtractor.getTables();7        schemaExtractor = new SchemaExtractor(connection);8        List<Table> tables = schemaExtractor.getTables();9        schemaExtractor = new SchemaExtractor(connection);10        List<Table> tables = schemaExtractor.getTables();11        schemaExtractor = new SchemaExtractor(connection);12        List<Table> tables = schemaExtractor.getTables();13        schemaExtractor = new SchemaExtractor(connection);14        List<Table> tables = schemaExtractor.getTables();15        schemaExtractor = new SchemaExtractor(connection);16        List<Table> tables = schemaExtractor.getTables();17        schemaExtractor = new SchemaExtractor(connection);18        List<Table> tables = schemaExtractor.getTables();19        schemaExtractor = new SchemaExtractor(connection);20        List<Table> tables = schemaExtractor.getTables();21        schemaExtractor = new SchemaExtractor(connection);22        List<Table> tables = schemaExtractor.getTables();23        schemaExtractor = new SchemaExtractor(connection);24        List<Table> tables = schemaExtractor.getTables();

getTable

Using AI Code Generation

1import org.evomaster.client.java.controller.api.Controller2import org.evomaster.client.java.controller.internal.db.SqlScriptRunner3import org.evomaster.client.java.controller.internal.db.Table4import org.evomaster.client.java.controller.internal.db.TableColumn5import org.evomaster.client.java.controller.internal.db.TableRow6import org.evomaster.client.java.controller.internal.db.schema.SchemaExtractor7import org.evomaster.client.java.controller.problem.ProblemInfo8import org.evomaster.client.java.controller.problem.RestProblem9import org.evomaster.client.java.controller.problem.RestCallResult10import org.evomaster.client.java.controller.api.dto.database.operations.DatabaseCommandDto11import org.evomaster.client.java.controller.api.dto.database.operations.InsertionDto12import org.evomaster.client.java.controller.api.dto.database.operations.DeletionDto13import org.evomaster.client.java.controller.api.dto.database.operations.UpdateDto14import org.evomaster.client.java.controller.api.dto.database.operations.SqlScriptDto15import org.evomaster.client.java.controller.api.dto.database.operations.DatabaseActionResultDto16import org.evomaster.client.java.controller.api.dto.database.operations.DatabaseExecutionDto17import org.evomaster.client.java.controller.api.dto.database.operations.SelectionDto18import org.evomaster.client.java.controller.api.dto.database.operations.TableDto19import org.evomaster.client.java.controller.api.dto.database.operations.TableRowDto20import org.evomaster.client.java.controller.api.dto.database.operations.TableColumnDto21import org.evomaster.client.java.controller.api.dto.database.operations.SqlRowDto22import org.evomaster.client.java.controller.api.dto.database.operations.SqlColumnDto23import org.evomaster.client.java.controller.api.dto.database.operations.SqlTableDto24import org.evomaster.client.java.controller.api.dto.database.operations.SqlDataDto25import org.evomaster.client.java.controller.api.dto.database.operations.TableSchemaDto26import org.evomaster.client.java.controller.api.dto.database.operations.SchemaDto27import org.evomaster.client.java.controller.api.dto.database.operations.DatabaseExecutionDto28import org.evomaster.client.java.controller.api.dto.database.operations.DatabaseActionResultDto29import org.evomaster.client.java.controller.api.dto.database.operations.InsertionDto30import org.evomaster.client.java.controller.api.dto.database.operations.DeletionDto31import org.evomaster.client.java.controller.api.dto.database.operations.UpdateDto32import org.evomaster.client.java.controller.api.dto.database.operations.Selection

getTable

Using AI Code Generation

1public class Test_0_0 extends EMTestBase {2    public static void initClass() throws Exception {3        EMConfig config = new EMConfig();4        config.setTestSuiteSplitType(EMConfig.SplitType.WITH_SEED);5        config.setSeed(0);6        config.setTestSuiteSplitNumber(1);7        config.setTestSplitNumber(0);8        initClass(config);9    }10    public void init() throws Exception {11        initTest();12    }13    public void test_0_0() throws Throwable {14        ObjectMapper mapper = new ObjectMapper();15        mapper.writeValue(new File("schema.json"), schema);16    }17}18{19  "tables" : [ {20    "columns" : [ {21    }, {22    }, {23    } ],24  } ]25}26CREATE TABLE person (27    PRIMARY KEY (id)28);29INSERT INTO person VALUES (1, 'John', 30);30INSERT INTO person VALUES (2, 'Mary', 28);31INSERT INTO person VALUES (3, 'Peter', 35);

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.