Examples with OptionScope org.apache.drill.exec.server.options.OptionValue.OptionScope used on opensource projects

Example 1 with OptionScope

use of org.apache.drill.exec.server.options.OptionValue.OptionScope in project drill by axbaretto.

the class SetOptionHandler method getPlan.

@Override
public PhysicalPlan getPlan(SqlNode sqlNode) throws ValidationException, ForemanSetupException {
    final SqlSetOption option = unwrap(sqlNode, SqlSetOption.class);
    final SqlNode value = option.getValue();
    if (value != null && !(value instanceof SqlLiteral)) {
        throw UserException.validationError().message("Drill does not support assigning non-literal values in SET statements.").build(logger);
    }
    final String scope = option.getScope();
    final OptionValue.OptionScope optionScope;
    if (scope == null) {
        // No scope mentioned assumed SESSION
        optionScope = OptionScope.SESSION;
    } else {
        switch(scope.toLowerCase()) {
            case "session":
                optionScope = OptionScope.SESSION;
                break;
            case "system":
                optionScope = OptionScope.SYSTEM;
                break;
            default:
                throw UserException.validationError().message("Invalid OPTION scope %s. Scope must be SESSION or SYSTEM.", scope).build(logger);
        }
    }
    final QueryOptionManager options = context.getOptions();
    if (optionScope == OptionScope.SYSTEM) {
        // administrative privileges.
        if (context.isUserAuthenticationEnabled() && !ImpersonationUtil.hasAdminPrivileges(context.getQueryUserName(), ExecConstants.ADMIN_USERS_VALIDATOR.getAdminUsers(options), ExecConstants.ADMIN_USER_GROUPS_VALIDATOR.getAdminUserGroups(options))) {
            throw UserException.permissionError().message("Not authorized to change SYSTEM options.").build(logger);
        }
    }
    final String optionName = option.getName().toString();
    // Currently, we convert multi-part identifier to a string.
    final OptionManager chosenOptions = options.getOptionManager(optionScope);
    if (value != null) {
        // SET option
        final Object literalObj = sqlLiteralToObject((SqlLiteral) value);
        chosenOptions.setLocalOption(optionName, literalObj);
    } else {
        // RESET option
        if ("ALL".equalsIgnoreCase(optionName)) {
            chosenOptions.deleteAllLocalOptions();
        } else {
            chosenOptions.deleteLocalOption(optionName);
        }
    }
    return DirectPlan.createDirectPlan(context, true, String.format("%s updated.", optionName));
}

Example 2 with OptionScope

use of org.apache.drill.exec.server.options.OptionValue.OptionScope in project drill by axbaretto.

the class ExtendedOptionIterator method sortOptions.

/* *
    * Remove the redundant rows for the same option based on the scope and return
    * the value that takes precedence over others. For example the option set in session
    * scope takes precedence over system and boot and etc.,
    */
public Iterator<OptionValue> sortOptions(Iterator<OptionValue> options) {
    List<OptionValue> optionslist = Lists.newArrayList(options);
    HashMap<String, OptionValue> optionsmap = new HashMap<>();
    final Map<OptionScope, Integer> preference = new HashMap<OptionScope, Integer>() {

        {
            put(OptionScope.SESSION, 0);
            put(OptionScope.SYSTEM, 1);
            put(OptionScope.BOOT, 2);
        }
    };
    for (OptionValue option : optionslist) {
        if (optionsmap.containsKey(option.getName())) {
            if (preference.get(option.scope) < preference.get(optionsmap.get(option.getName()).scope)) {
                optionsmap.put(option.getName(), option);
            }
        } else {
            optionsmap.put(option.getName(), option);
        }
    }
    optionslist.clear();
    for (String name : optionsmap.keySet()) {
        optionslist.add(optionsmap.get(name));
    }
    Collections.sort(optionslist, new Comparator<OptionValue>() {

        @Override
        public int compare(OptionValue v1, OptionValue v2) {
            return v1.name.compareTo(v2.name);
        }
    });
    return optionslist.iterator();
}

Example 3 with OptionScope

use of org.apache.drill.exec.server.options.OptionValue.OptionScope in project drill by apache.

the class SetOptionHandler method getPlan.

/**
 * Handles {@link DrillSqlSetOption} query
 */
@Override
public final PhysicalPlan getPlan(SqlNode sqlNode) throws ForemanSetupException {
    // sqlNode could contain DrillSqlResetOption or DrillSqlSetOption, depends on parsed statement
    SqlSetOption statement = unwrap(sqlNode, SqlSetOption.class);
    OptionScope optionScope = getScope(statement, context.getOptions());
    OptionManager optionManager = context.getOptions().getOptionManager(optionScope);
    String optionName = statement.getName().toString();
    SqlNode optionValue = statement.getValue();
    if (optionValue == null) {
        // OptionManager.getOptionDefinition() call ensures that the specified option name is valid
        OptionDefinition optionDefinition = optionManager.getOptionDefinition(optionName);
        String value = String.valueOf(optionManager.getOption(optionName).getValue());
        // obtains option name from OptionDefinition to use the name as defined in the option, rather than what the user provided
        return DirectPlan.createDirectPlan(context, new SetOptionViewResult(optionDefinition.getValidator().getOptionName(), value));
    } else {
        if (optionScope == OptionValue.OptionScope.SYSTEM) {
            checkAdminPrivileges(context.getOptions());
        }
        if (!(optionValue instanceof SqlLiteral)) {
            throw UserException.validationError().message("Drill does not support assigning non-literal values in SET statements.").build(logger);
        }
        optionManager.setLocalOption(optionName, sqlLiteralToObject((SqlLiteral) optionValue));
        return DirectPlan.createDirectPlan(context, true, String.format("%s updated.", optionName));
    }
}

Example 4 with OptionScope

use of org.apache.drill.exec.server.options.OptionValue.OptionScope in project drill by apache.

the class ResetOptionHandler method getPlan.

/**
 * Handles {@link DrillSqlResetOption} query
 */
@Override
public final PhysicalPlan getPlan(SqlNode sqlNode) throws ForemanSetupException {
    QueryOptionManager options = context.getOptions();
    SqlSetOption statement = unwrap(sqlNode, SqlSetOption.class);
    OptionScope optionScope = getScope(statement, context.getOptions());
    if (optionScope == OptionValue.OptionScope.SYSTEM) {
        checkAdminPrivileges(options);
    }
    OptionManager optionManager = options.getOptionManager(optionScope);
    String optionName = statement.getName().toString();
    if ("ALL".equalsIgnoreCase(optionName)) {
        optionManager.deleteAllLocalOptions();
    } else {
        optionManager.deleteLocalOption(optionName);
    }
    return DirectPlan.createDirectPlan(context, true, String.format("%s updated.", optionName));
}