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How to use cannotHandle method of org.evomaster.client.java.controller.internal.db.constraint.MySQLConstraintExtractor class

Best EvoMaster code snippet using org.evomaster.client.java.controller.internal.db.constraint.MySQLConstraintExtractor.cannotHandle

Source:MySQLConstraintExtractor.java

...21    private static final String MYSQL_CONSTRAINT_TYPE = "CONSTRAINT_TYPE";22    private static final String MYSQL_CHECK_CLAUSE = "CHECK_CLAUSE";23    private static final String MYSQL_COLUMN_NAME = "COLUMN_NAME";24    private static final String MYSQL_ENUM_COLUMN_TYPE = "COLUMN_TYPE";25    private static void cannotHandle(String constraintType) {26        SimpleLogger.uniqueWarn("WARNING, EvoMaster cannot extract MySQL constraints with type '" + constraintType);27    }28    @Override29    public List<DbTableConstraint> extract(Connection connectionToMySQL, DbSchemaDto schemaDto) throws SQLException {30        String tableSchema = schemaDto.name;31        List<DbTableConstraint> constraints = new ArrayList<>();32        for (TableDto tableDto : schemaDto.tables){33            String tableName = tableDto.name;34            try (Statement statement = connectionToMySQL.createStatement()) {35                String query = String.format("SELECT *\n" +36                        "       FROM information_schema.table_constraints\n" +37                        "       WHERE table_schema = '%s'\n" +38                        "             AND table_name = '%s';", tableSchema, tableName);39                try (ResultSet columns = statement.executeQuery(query)) {40                    while (columns.next()) {41                        String type = columns.getString(MYSQL_CONSTRAINT_TYPE);42                        switch (type){43                            case MYSQL_CONSTRAINT_TYPE_PRIMARY_KEY:44                            case MYSQL_CONSTRAINT_TYPE_FOREIGN_KEY:45                                break;46                            case MYSQL_CONSTRAINT_TYPE_CHECK:47                                String constraintName = columns.getString(MYSQL_CONSTRAINT_NAME);48                                DbTableCheckExpression check = getCheckConstraint(connectionToMySQL, tableName, constraintName);49                                constraints.add(check);50                                break;51                            case MYSQL_CONSTRAINT_TYPE_UNIQUE:52                                String uniqueConstraintName = columns.getString(MYSQL_CONSTRAINT_NAME);53                                DbTableUniqueConstraint uniqueConstraint = getUniqueConstraint(connectionToMySQL, tableSchema, tableName, uniqueConstraintName);54                                constraints.add(uniqueConstraint);55                                break;56                            default:57                                cannotHandle("Unknown constraint type " + type);58                        }59                    }60                }61            }62            // handle enum column63            for (ColumnDto column: tableDto.columns){64                if (column.type.equalsIgnoreCase("enum")){65                    DbTableCheckExpression enumConstraint = handleEnum(connectionToMySQL, tableSchema, tableName, column.name);66                    constraints.add(enumConstraint);67                }68            }69        }70        return constraints;71    }...

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