import org.jooq.JoinType; //导入依赖的package包/类
/**
 * Queries all not indexed {@link News} from the database and puts them to
 * the {@link IndexManager} queue.
 */
public void indexNotIndexedNews() {
	final List<News> newsToIndex = DSL.using(jooqConfig).
		select().
		from(TABLE_CONTENT.join(TABLE_NEWS, JoinType.JOIN).
			on(TABLE_CONTENT.ID.eq(TABLE_NEWS.CONTENT_ID))).
		where(TABLE_CONTENT.INDEXED.eq(Boolean.FALSE)).
		fetchInto(News.class);

	if(newsToIndex.isEmpty()) {
		LOGGER.info("No unindexed news found.");
		return; // nothing to index
	}

	final SimpleIndexData indexData = new SimpleIndexData(NewsIndexType.getInstance());
	for (final News news : newsToIndex) {
		LOGGER.info("Add unindexed news {} to index queue.", news.getId());
		indexData.addElement(new NewsIndexElement(news, EOperation.UPDATE));
				// update because it should delete a possible existing news.
	}

	IndexManager.getInstance().index(indexData);
}
 

import org.jooq.JoinType; //导入依赖的package包/类
protected void addMappingJoins(SelectQuery<?> query, Table<?> toTable, SchemaFactory schemaFactory, String fromType, Table<?> from, String asName, MapRelationship rel) {
    Table<?> mappingTable = JooqUtils.getTableFromRecordClass(rel.getMappingType());
    /* We don't required the mapping type to be visible external, that's why we use the schemaFactory
     * from the objectManager, because it is the superset schemaFactory.
     */
    String mappingType = getObjectManager().getSchemaFactory().getSchemaName(rel.getMappingType());

    TableField<?, Object> fieldFrom = JooqUtils.getTableField(getMetaDataManager(), fromType, ObjectMetaDataManager.ID_FIELD);
    TableField<?, Object> fieldTo = JooqUtils.getTableField(getMetaDataManager(), mappingType, rel.getPropertyName());
    TableField<?, Object> fieldRemoved = JooqUtils.getTableField(getMetaDataManager(), mappingType, ObjectMetaDataManager.REMOVED_FIELD);

    org.jooq.Condition cond = fieldFrom.eq(fieldTo.getTable().field(fieldTo.getName())).and(fieldRemoved == null ? DSL.trueCondition() : fieldRemoved.isNull());
    query.addJoin(mappingTable, JoinType.LEFT_OUTER_JOIN, cond);

    fieldFrom = JooqUtils.getTableField(getMetaDataManager(), mappingType, rel.getOtherRelationship().getPropertyName());
    fieldTo = JooqUtils.getTableField(getMetaDataManager(), schemaFactory.getSchemaName(rel.getObjectType()), ObjectMetaDataManager.ID_FIELD);

    cond = fieldFrom.eq(fieldTo.getTable().asTable(asName).field(fieldTo.getName()));
    query.addJoin(toTable, JoinType.LEFT_OUTER_JOIN, cond);
}
 

import org.jooq.JoinType; //导入依赖的package包/类
protected void addMappingJoins(SelectQuery<?> query, Table<?> toTable, SchemaFactory schemaFactory, String fromType, Table<?> from, String asName, MapRelationship rel) {
    Table<?> mappingTable = JooqUtils.getTableFromRecordClass(rel.getMappingType());
    String mappingType = schemaFactory.getSchemaName(rel.getMappingType());

    TableField<?, Object> fieldFrom = JooqUtils.getTableField(getMetaDataManager(), fromType, ObjectMetaDataManager.ID_FIELD);
    TableField<?, Object> fieldTo = JooqUtils.getTableField(getMetaDataManager(), mappingType, rel.getPropertyName());
    TableField<?, Object> fieldRemoved = JooqUtils.getTableField(getMetaDataManager(), mappingType, ObjectMetaDataManager.REMOVED_FIELD);

    org.jooq.Condition cond = fieldFrom.eq(fieldTo.getTable().field(fieldTo.getName())).and(fieldRemoved == null ? DSL.trueCondition() : fieldRemoved.isNull());
    query.addJoin(mappingTable, JoinType.LEFT_OUTER_JOIN, cond);

    fieldFrom = JooqUtils.getTableField(getMetaDataManager(), mappingType, rel.getOtherRelationship().getPropertyName());
    fieldTo = JooqUtils.getTableField(getMetaDataManager(), schemaFactory.getSchemaName(rel.getObjectType()), ObjectMetaDataManager.ID_FIELD);

    cond = fieldFrom.eq(fieldTo.getTable().asTable(asName).field(fieldTo.getName()));
    query.addJoin(toTable, JoinType.LEFT_OUTER_JOIN, cond);
}
 

import org.jooq.JoinType; //导入依赖的package包/类
/**
 * Returns the {@link News} with the given id.
 * @param newsId the it of the {@link News} which will be returned.
 * @return the found {@link News} or <code>null</code> if no {@link News} was found for the id.
 */
public News getNews(final long newsId) {
	return DSL.using(jooqConfig).
			select().
			from(TABLE_CONTENT.join(TABLE_NEWS, JoinType.JOIN).
				on(TABLE_CONTENT.ID.eq(TABLE_NEWS.CONTENT_ID))).
			where(TABLE_CONTENT.ID.eq(newsId)).
			fetchOneInto(News.class);
}
 

import org.jooq.JoinType; //导入依赖的package包/类
/**
 * Returns all ungrouped ({@link News#NEWSGROUPID_NOT_GROUPED_YET}) {@link News} which were already indexed.
 * Not indexed {@link News} will be grouped after they were indexed.
 * @return {@link List} containing ungrouped {@link News}.
 */
public List<News> getNewsToGroup() {
	return DSL.using(jooqConfig).
			select().
			from(TABLE_CONTENT.join(TABLE_NEWS, JoinType.JOIN).
					on(TABLE_CONTENT.ID.eq(TABLE_NEWS.CONTENT_ID))).
			where(TABLE_NEWS.NEWS_GROUP_ID.eq(News.NEWSGROUPID_NOT_GROUPED_YET)).
				and(TABLE_CONTENT.INDEXED.eq(Boolean.TRUE)).
			fetchInto(News.class);
}
 

import org.jooq.JoinType; //导入依赖的package包/类
/**
	 * Checks if a {@link News} already exists for the given link. If one exists
	 * then the {@link Defaults} of this are returned. If not then <code>null</code>
	 * will be returned.
	 *
	 * @param news the {@link News} to find a {@link News} with the same link or name.
	 * @return {@link Defaults} or <code>null</code>
	 */
	private Defaults getDefaultsForNews(final News news) {
		final Defaults result = DSL.using(jooqConfig).
				select(TABLE_CONTENT.ID, TABLE_CONTENT.PUBLISH_DATE, TABLE_NEWS.NEWS_GROUP_ID,
						TABLE_CONTENT.TITLE, TABLE_CONTENT.TEXT, TABLE_NEWS.IMAGE_URL,
						TABLE_NEWS.IMAGE_WIDTH, TABLE_NEWS.IMAGE_HEIGHT, TABLE_NEWS.LINK).
				from(TABLE_CONTENT.join(TABLE_NEWS, JoinType.JOIN).
						on(TABLE_CONTENT.ID.eq(TABLE_NEWS.CONTENT_ID))).
				where(TABLE_NEWS.LINK.eq(news.getLink())).
					or(TABLE_CONTENT.TITLE.eq(news.getTitle()).
						and(TABLE_CONTENT.PROVIDER_ID.eq(news.getProviderId())).
						and(TABLE_CONTENT.PUBLISH_DATE.between(getDate(news, PUBLISHDATE_DELTA),
								getDate(news, -PUBLISHDATE_DELTA)))).
				fetchOneInto(Defaults.class);

		// no news found -> exit with null.
/*		if(result == null) {
			return null;
		}

		final Defaults defaults = new Defaults();
		defaults.setId(id); = result.getValue(TABLE_NEWS.CONTENT_ID);
		defaults.publishDate = result.getValue(TABLE_CONTENT.PUBLISH_DATE);
		defaults.newsGroupId = result.getValue(TABLE_NEWS.NEWS_GROUP_ID);
*/
		return result;
	}
 

import org.jooq.JoinType; //导入依赖的package包/类
@SuppressWarnings("unchecked")
private Result<Record7<Integer, Integer, String, String, String, String, String>> getOverviewInternal(UserQueryForm form) {
    SelectQuery selectQuery = ctx.selectQuery();
    selectQuery.addFrom(USER);
    selectQuery.addJoin(OCPP_TAG, JoinType.LEFT_OUTER_JOIN, USER.OCPP_TAG_PK.eq(OCPP_TAG.OCPP_TAG_PK));
    selectQuery.addSelect(
            USER.USER_PK,
            USER.OCPP_TAG_PK,
            OCPP_TAG.ID_TAG,
            USER.FIRST_NAME,
            USER.LAST_NAME,
            USER.PHONE,
            USER.E_MAIL
    );

    if (form.isSetUserPk()) {
        selectQuery.addConditions(USER.USER_PK.eq(form.getUserPk()));
    }

    if (form.isSetOcppIdTag()) {
        selectQuery.addConditions(includes(OCPP_TAG.ID_TAG, form.getOcppIdTag()));
    }

    if (form.isSetEmail()) {
        selectQuery.addConditions(includes(USER.E_MAIL, form.getEmail()));
    }

    if (form.isSetName()) {

        // Concatenate the two columns and search within the resulting representation
        // for flexibility, since the user can search by first or last name, or both.
        Field<String> joinedField = DSL.concat(USER.FIRST_NAME, USER.LAST_NAME);

        // Find a matching sequence anywhere within the concatenated representation
        selectQuery.addConditions(includes(joinedField, form.getName()));
    }

    return selectQuery.fetch();
}
 

import org.jooq.JoinType; //导入依赖的package包/类
private SelectConditionStep<Record8<String, String, String, String, String, Integer, Timestamp, Integer>> createPictureQuery() {
	SelectConditionStep<Record8<String, String, String, String, String, Integer, Timestamp, Integer>> pictureSelect = create
			.select(DSL.val("P").as("type"), LOCATION.OFFICIAL_NAME, LOCATION.CITY, USERS.DISPLAYNAME.as("user"),
					DSL.val("N").as("update_Type"), LOCATION.ID, PICTURES.CREATED_ON, PICTURES.ID.as("picture_Id"))
			.from(LOCATION).join(PICTURES, JoinType.JOIN).on(LOCATION.ID.equal(PICTURES.FK_LOCATION))
			.join(USERS, JoinType.JOIN).on(PICTURES.FK_USER.equal(USERS.ID))
			.where(LOCATION.FK_COMMUNITY.equal(fkCommunity).and(LOCATION.ARCHIVED.equal(0)));
	return pictureSelect;
}
 

import org.jooq.JoinType; //导入依赖的package包/类
private SelectConditionStep<Record8<String, String, String, String, String, Integer, Timestamp, Integer>> createReviewQuery() {
	SelectConditionStep<Record8<String, String, String, String, String, Integer, Timestamp, Integer>> reviewsSelect = create
			.select(DSL.val("R").as("type"),
					LOCATION.OFFICIAL_NAME,
					LOCATION.CITY,
					USERS.DISPLAYNAME.as("user"),
					DSL.decode().value(REVIEWS.CREATED_ON).when(REVIEWS.LAST_UPDATE, "N").otherwise("U")
							.as("update_Type"), LOCATION.ID, REVIEWS.LAST_UPDATE, DSL.val(0).as("picture_Id"))
			.from(LOCATION).join(REVIEWS, JoinType.JOIN).on(LOCATION.ID.equal(REVIEWS.FK_LOCATION))
			.join(USERS, JoinType.JOIN).on(REVIEWS.FK_USER.equal(USERS.ID))
			.where(LOCATION.FK_COMMUNITY.equal(fkCommunity).and(LOCATION.ARCHIVED.equal(0)));
	return reviewsSelect;
}
 

import org.jooq.JoinType; //导入依赖的package包/类
protected void addJoins(SelectQuery<?> query, Map<Table<?>, Condition> joins) {
    if ( joins == null ) {
        return;
    }

    for ( Map.Entry<Table<?>, Condition> entry : joins.entrySet() ) {
        query.addJoin(entry.getKey(), JoinType.LEFT_OUTER_JOIN, entry.getValue());
    }
}
 

import org.jooq.JoinType; //导入依赖的package包/类
@Override
@SuppressWarnings("unchecked")
public List<Overview> getOverview(OcppTagQueryForm form) {
    SelectQuery selectQuery = ctx.selectQuery();
    selectQuery.addFrom(OCPP_TAG);

    OcppTag parentTable = OCPP_TAG.as("parent");

    selectQuery.addSelect(
            OCPP_TAG.OCPP_TAG_PK,
            parentTable.OCPP_TAG_PK,
            OCPP_TAG.ID_TAG,
            OCPP_TAG.PARENT_ID_TAG,
            OCPP_TAG.EXPIRY_DATE,
            OCPP_TAG.IN_TRANSACTION,
            OCPP_TAG.BLOCKED
    );

    selectQuery.addJoin(parentTable, JoinType.LEFT_OUTER_JOIN, parentTable.ID_TAG.eq(OCPP_TAG.PARENT_ID_TAG));

    if (form.isIdTagSet()) {
        selectQuery.addConditions(OCPP_TAG.ID_TAG.eq(form.getIdTag()));
    }

    if (form.isParentIdTagSet()) {
        selectQuery.addConditions(OCPP_TAG.PARENT_ID_TAG.eq(form.getParentIdTag()));
    }

    switch (form.getExpired()) {
        case ALL:
            break;

        case TRUE:
            selectQuery.addConditions(OCPP_TAG.EXPIRY_DATE.lessOrEqual(CustomDSL.utcTimestamp()));
            break;

        case FALSE:
            selectQuery.addConditions(
                    OCPP_TAG.EXPIRY_DATE.isNull().or(OCPP_TAG.EXPIRY_DATE.greaterThan(CustomDSL.utcTimestamp()))
            );
            break;

        default:
            throw new SteveException("Unknown enum type");
    }

    processBooleanType(selectQuery, OCPP_TAG.IN_TRANSACTION, form.getInTransaction());
    processBooleanType(selectQuery, OCPP_TAG.BLOCKED, form.getBlocked());

    return selectQuery.fetch().map(new UserMapper());
}
 

import org.jooq.JoinType; //导入依赖的package包/类
private SelectOnConditionStep<Record> from(SelectSelectStep<Record> select, int userId) {
	return select.from(LOCATION).join(PICTURES, JoinType.JOIN).on(LOCATION.ID.equal(PICTURES.FK_LOCATION))
			.join(USERS, JoinType.JOIN).on(PICTURES.FK_USER.equal(USERS.ID)).leftOuterJoin(USERS_PICTURES_VOTES)
			.on(USERS_PICTURES_VOTES.FK_USER.equal(userId).and(USERS_PICTURES_VOTES.FK_PICTURE.equal(PICTURES.ID)));
}
 

import org.jooq.JoinType; //导入依赖的package包/类
private SelectQuery<Record> getQuestionSelect(final QuestionsOptions options) {
    final SelectQuery<Record> query = jooq.selectQuery();
    final Field<?> answersCountField = DSL.selectCount()
                                     .from(QUESTIONS_ANSWERS)
                                     .where(QUESTIONS_ANSWERS.QUESTION_ID.eq(QUESTIONS.QUESTION_ID))
                                     .asField("answersCount");

    query.addSelect(USERS.LOGIN,
                    PROFILES.FIRST_NAME,
                    PROFILES.LAST_NAME,
                    PROFILES.NICKNAME,
                    CONTESTS.CODE,
                    TASKS.CODE,
                    QUESTIONS.QUESTION_ID,
                    QUESTIONS.STATUS,
                    QUESTIONS.QUESTION,
                    QUESTIONS.CREATED,
                    QUESTIONS.PRIVATE,
                    answersCountField);
    query.addFrom(QUESTIONS);
    query.addJoin(TASKS, JoinType.LEFT_OUTER_JOIN, TASKS.TASK_ID.eq(QUESTIONS.TASK_ID));
    query.addJoin(CONTESTS, JoinType.LEFT_OUTER_JOIN, CONTESTS.CONTEST_ID.eq(QUESTIONS.CONTEST_ID));
    query.addJoin(USERS, USERS.USER_ID.eq(QUESTIONS.USER_ID));
    query.addJoin(PROFILES, USERS.USER_ID.eq(PROFILES.USER_ID));

    if (options != null) {
        final Field<Integer> questionIdField =
                DSL.field("split_part({0}, '|', 1)::integer", Integer.class, EVENTS.ARGUMENTS);
        final Field<Object> hasNotificationField =
                DSL.selectCount()
                   .from(NOTIFICATIONS)
                   .join(EVENTS)
                   .using(NOTIFICATIONS.EVENT_ID)
                   .where(NOTIFICATIONS.USER_ID.eq(JooqDaoUtils.getUserId(options.getCurrentUser())))
                   .and(NOTIFICATIONS.STATUS.eq(NotifyStatus.unread))
                   .and(questionIdField.eq(QUESTIONS.QUESTION_ID))
                   .asField("hasNotification");

        query.addSelect(hasNotificationField);
        query.addOrderBy(hasNotificationField.desc());

        if (!Strings.isNullOrEmpty(options.getQuery())) {
            final String lowerCaseQuery = options.getQuery().toLowerCase();
            query.addConditions(QUESTIONS.QUESTION.lower().contains(lowerCaseQuery)
                                                  .or(USERS.LOGIN.lower().contains(lowerCaseQuery))
                                                  .or(PROFILES.NICKNAME.lower().contains(lowerCaseQuery))
                                                  .or(TASKS.CODE.lower().contains(lowerCaseQuery))
                                                  .or(CONTESTS.CODE.lower().contains(lowerCaseQuery)));
        }
    }

    return query;
}