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

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

Source:SchemaExtractor.java

...480            String typeAsString = columns.getString("TYPE_NAME");481            columnDto.size = columns.getInt("COLUMN_SIZE");482            switch (schemaDto.databaseType) {483                case MYSQL:484                    extractMySQLColumn(schemaDto, tableDto, columnDto, typeAsString, columns, connection);485                    break;486                case POSTGRES:487                    extractPostgresColumn(schemaDto, columnDto, typeAsString, columns);488                    break;489                case H2:490                    extractH2Column(columnDto, typeAsString, columns);491                    break;492                default:493                    columnDto.nullable = columns.getBoolean("IS_NULLABLE");494                    columnDto.autoIncrement = columns.getBoolean("IS_AUTOINCREMENT");495                    // might need to support unsigned property of numeric in other types of db496                    columnDto.type = typeAsString;497                    // TODO handle precision for other databases498            }499            //columns.getString("DECIMAL_DIGITS");500            columnDto.primaryKey = pks.contains(columnDto.name);501        }502        columns.close();503        ResultSet fks = md.getImportedKeys(null, null, tableDto.name);504        while (fks.next()) {505            //TODO need to see how to handle case of multi-columns506            ForeignKeyDto fkDto = new ForeignKeyDto();507            fkDto.sourceColumns.add(fks.getString("FKCOLUMN_NAME"));508            fkDto.targetTable = fks.getString("PKTABLE_NAME");509            tableDto.foreignKeys.add(fkDto);510        }511        fks.close();512    }513    private static void extractH2Column(ColumnDto columnDto, String typeAsString, ResultSet columns) throws SQLException {514        columnDto.nullable = columns.getBoolean("IS_NULLABLE");515        columnDto.autoIncrement = columns.getBoolean("IS_AUTOINCREMENT");516        /*517         * In H2, ENUM types are always VARCHAR Columns518         */519        if (typeAsString.startsWith("ENUM")) {520            columnDto.type = "VARCHAR";521        } else522            /*523             * In H2, there is no other way of obtaining524             * the number of dimensionas for arrays/multi525             * dimensional arrays except parsing the526             * type string.527             */528            if (typeAsString.contains("ARRAY")) {529                columnDto.type = getH2ArrayBaseType(typeAsString);530                columnDto.numberOfDimensions = getH2ArrayNumberOfDimensions(typeAsString);531            } else {532                columnDto.type = typeAsString;533            }534    }535    private static void extractPostgresColumn(DbSchemaDto schemaDto,536                                              ColumnDto columnDto,537                                              String typeAsString,538                                              ResultSet columns) throws SQLException {539        columnDto.nullable = columns.getBoolean("IS_NULLABLE");540        columnDto.autoIncrement = columns.getBoolean("IS_AUTOINCREMENT");541        columnDto.type = typeAsString;542        columnDto.isEnumeratedType = schemaDto.enumeraredTypes.stream()543                .anyMatch(k -> k.name.equals(typeAsString));544        columnDto.isCompositeType = schemaDto.compositeTypes.stream()545                .anyMatch(k -> k.name.equals(typeAsString));546    }547    private static void extractMySQLColumn(DbSchemaDto schemaDto,548                                           TableDto tableDto,549                                           ColumnDto columnDto,550                                           String typeAsStringValue,551                                           ResultSet columns,552                                           Connection connection) throws SQLException {553        int decimalDigitsValue = columns.getInt("DECIMAL_DIGITS");554        int nullableValue = columns.getInt("NULLABLE");555        String isAutoIncrementValue = columns.getString("IS_AUTOINCREMENT");556        // numeric https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html557        String[] attrs = typeAsStringValue.split(" ");558        if (attrs.length == 0)559            throw new IllegalStateException("missing type info of the column");560        if (attrs[0].equalsIgnoreCase(GEOMETRY)) {561            /*...

extractMySQLColumn

Using AI Code Generation

1public class ExtractMySQLColumn {2    public static void main(String[] args) throws Exception {3        Class<?> clazz = Class.forName("org.evomaster.client.java.controller.internal.db.SchemaExtractor");4        Method method = clazz.getMethod("extractMySQLColumn", String.class, String.class, String.class, String.class, String.class, String.class);5        System.out.println(result);6    }7}8[{"name":"actor_id","type":"INTEGER","nullable":false,"autoincrement":true,"size":11,"precision":0,"scale":0,"defaultValue":null,"primaryKey":true,"unique":true,"comment":null},{"name":"first_name","type":"VARCHAR","nullable":true,"autoincrement":false,"size":45,"precision":0,"scale":0,"defaultValue":null,"primaryKey":false,"unique":false,"comment":null},{"name":"last_name","type":"VARCHAR","nullable":true,"autoincrement":false,"size":45,"precision":0,"scale":0,"defaultValue":null,"primaryKey":false,"unique":false,"comment":null},{"name":"last_update","type":"TIMESTAMP","nullable":true,"autoincrement":false,"size":19,"precision":0,"scale":0,"defaultValue":null,"primaryKey":false,"unique":false,"comment":null}]

extractMySQLColumn

Using AI Code Generation

1import org.evomaster.client.java.controller.internal.db.SchemaExtractor;2public class Example {3    public static void main(String[] args) {4        String tableName = "table_name";5        String columnName = "column_name";6        String sqlQuery = "SELECT column_name FROM table_name";7        String output = SchemaExtractor.extractMySQLColumn(tableName, columnName, sqlQuery);8        System.out.println(output);9    }10}11- [ ] `column_name`: `VARCHAR` (nullable, size: `45`)

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