Looks like your parentheses aren't correct.
On Mon, Dec 21, 2020 at 11:24 PM Debapriya Patra <[email protected]>
wrote:
> Hi Lukas,
>
> Please ignore my previous email because I did not put the right SQL query.
> I am basically trying to convert the below sql query in JOOQ:
>
> with nc as (select deck_id as id, count(*) n from "public"."card_deck"
> where deck_id = '66bebe66-a0c4-45f0-8205-a80ef8f41f07' group by deck_id)
> select
> "public"."deck"."id" as "id",
> "public"."deck"."deck_id" as "deck_id",
> "public"."deck"."title" as "title",
> "public"."deck"."deck_type" as "deck_type",
> "public"."deck"."created" as "created",
> "public"."deck"."updated" as "updated",
> "public"."deck"."original_created" as "original_created",
> "public"."deck"."original_updated" as "original_updated",
> "public"."deck"."confidential" as "confidential",
> "public"."deck"."source" as "source",
> "public"."deck"."certified" as "certified",
> "public"."card_deck"."id" as "cards_id",
> "public"."card"."foreign_id" as "cards_foreign_id",
> "public"."card_deck"."card_id" as "cards_card_id",
> "public"."deck"."id" as "cards_deck_id",
> "public"."card"."card_content" as "cards_card_content",
> "public"."card"."created" as "cards_created",
> "public"."card"."updated" as "cards_updated",
> "public"."card"."original_created" as "cards_original_created",
> "public"."card"."original_updated" as "cards_original_updated",
> "public"."card_deck"."position" as "cards_position",
> nc.n as "num_cards",
> dic.image_count as "num_images",
> (select "public"."deck_edition"."edition" from
> "public"."deck_edition" where "public"."deck_edition"."deck_id" =
> "public"."deck"."id") as "edition"
>
> from "public"."deck"
> join nc on nc.id = "public"."deck"."id"
> join deck_image_cnt dic on dic.deck_id = "public"."deck".id
> left outer join "public"."card_deck" on "public"."card_deck"."deck_id" =
> "public"."deck"."id"
> left outer join "public"."card" on "public"."card"."id" =
> "public"."card_deck"."card_id"
>
> where "public"."deck"."id" = '66bebe66-a0c4-45f0-8205-a80ef8f41f07'
> order by "public"."card_deck"."position"
>
> limit 150;
>
>
> JOOQ Conversion Query:
>
> CommonTableExpression<Record2<UUID, Integer>> cardCount =
> name("cardCount").fields("deck_id",
> "num_cards").as(dsl.select(CARD_DECK.DECK_ID,
>
> count()).from(CARD_DECK).where(CARD_DECK.DECK_ID.eq(deckId)).groupBy(CARD_DECK.DECK_ID));
>
> SelectConditionStep<Record> selectConditionStep =
> dsl.with(cardCount)
> .select(JooqUtil.fieldsWithAliases(DECK_FIELDS, Deck.getAliases()))
> .select(JooqUtil.fieldsWithPrefixedAliazes(CARD_DECK_FIELDS,
> Card.getAliases(), Deck.CARDS_FIELD))
>
> .select(dsl.select(DECK_EDITION.EDITION).from(DECK_EDITION).where(DECK_EDITION.DECK_ID.eq(DECK.ID)).asField(Deck.VERSION_FIELD))
> .select(cardCount.field("num_cards").as(Deck.NUM_CARDS_FIELD))
> .select(DECK_IMAGE_CNT.IMAGE_COUNT).asField("num_images")
> .from(DECK)
> .join(cardCount).on(cardCount.field(CARD_DECK.DECK_ID).eq(DECK.ID))
> .join(DECK_IMAGE_CNT).on(DECK_IMAGE_CNT.DECK_ID).eq(DECK.ID)
> .leftOuterJoin(CARD_DECK).on(CARD_DECK.DECK_ID.eq(DECK.ID))
> .leftOuterJoin(CARD).on(CARD.ID.eq(CARD_DECK.CARD_ID))
> .where(DECK.ID.eq(deckId))
> .and(CARD_DECK.POSITION.greaterThan(offset.floatValue()))
> .orderBy(CARD_DECK.POSITION)
> .limit(limit)
> .fetchResultSet();
>
>
> But I am getting the following error when compile my code:
> /Users/dpatra/Downloads/FTGitLab/DeckService/deck-service/src/main/java/com/chegg/deck/service/dao/DeckRepository.java:157:
> error: incompatible types: Deck cannot be converted to Record
> .from(DECK)
> ^
>
> Please help me understand what is going wrong while I am converting to
> JOOQ.
> Thanks a lot for helping :)
>
> Cheers,
> Debapriya Patra
> 650.933.6852
>
>
> On Fri, Dec 18, 2020 at 12:12 AM Lukas Eder <[email protected]> wrote:
>
>> Hi Deba,
>>
>> Why are you making this harder than it needs to be with a CTE?
>> Specifically, because that CTE filters by the same deck_id value that
>> you're using as a join predicate, so I don't see the point of that CTE.
>> Just inline it.
>>
>> Other than that, since you're not really doing anything in the CTE, you
>> can re-use your generated code to dereference columns from it using
>> Table.field(Field):
>>
>> // How to convert [dic.image_count as "num_images",] from the above query
>>> in jooq
>>>
>>
>> dec.field(DECK_IMAGE_COUNT.IMAGE_COUNT).as("num_images")
>>
>>
>>> // How to convert "public"."deck" left outer join dic on dic.deck_id =
>>> "public"."deck".id left in jooq
>>>
>> .from(DECK).leftOuterJoin(dec).on(dec.field.eq(DECK.ID <http://deck.id/>))
>>> // This is what I was trying but could not make is happen
>>
>>
>> .from(DECK).leftOuterJoin(dec).on(dec.field(DECK_IMAGE_COUNT.DECK_ID).eq(
>> DECK.ID))
>>
>> Hope this helps,
>> Lukas
>>
>>
>> On Fri, Dec 18, 2020 at 1:36 AM Debapriya Patra <
>> [email protected]> wrote:
>>
>>> Hi Lukas,
>>>
>>> I am trying to convert the below SQL query in Jooq so that I can make
>>> use of this query in my application. I am kind of stuck in the join part
>>> but it would be really great if can help me converting this query in Jooq.
>>>
>>> with dic as (select deck_id, image_count from deck_image_count where
>>> deck_id = '66bebe66-a0c4-45f0-8205-a80ef8f41f07')
>>>
>>> select
>>> "public"."deck"."id" as "id",
>>> "public"."deck"."deck_id" as "deck_id",
>>> "public"."deck"."title" as "title",
>>> "public"."deck"."deck_type" as "deck_type",
>>> "public"."deck"."created" as "created",
>>> "public"."deck"."updated" as "updated",
>>> "public"."deck"."original_created" as "original_created",
>>> "public"."deck"."original_updated" as "original_updated",
>>> "public"."deck"."confidential" as "confidential",
>>> "public"."deck"."source" as "source",
>>> "public"."deck"."certified" as "certified",
>>> "public"."card_deck"."id" as "cards_id",
>>> "public"."card"."foreign_id" as "cards_foreign_id",
>>> "public"."card_deck"."card_id" as "cards_card_id",
>>> "public"."deck"."id" as "cards_deck_id",
>>> "public"."card"."card_content" as "cards_card_content",
>>> "public"."card"."created" as "cards_created",
>>> "public"."card"."updated" as "cards_updated",
>>> "public"."card"."original_created" as "cards_original_created",
>>> "public"."card"."original_updated" as "cards_original_updated",
>>> "public"."card_deck"."position" as "cards_position",
>>> (select count(*) from "public"."card_deck" where
>>> "public"."card_deck"."deck_id" = "public"."deck"."id") as "num_cards",
>>> dic.image_count as "num_images",
>>> (select "public"."deck_edition"."edition" from "public"."deck_edition"
>>> where "public"."deck_edition"."deck_id" = "public"."deck"."id") as
>>> "edition"
>>>
>>> from "public"."deck" left outer join dic on dic.deck_id =
>>> "public"."deck".id left outer join "public"."card_deck" on
>>> "public"."card_deck"."deck_id" = "public"."deck"."id" left outer join
>>> "public"."card" on "public"."card"."id" = "public"."card_deck"."card_id"
>>>
>>> where "public"."deck"."id" = '66bebe66-a0c4-45f0-8205-a80ef8f41f07'
>>>
>>> order by "public"."card_deck"."position" limit 150;
>>>
>>>
>>> I have tried but could not proceed further at the point where I have the
>>> join conditions. Can you please help me.
>>>
>>> This is what I have started with.
>>>
>>>
>>> UUID deckId = UUID.fromString("66bebe66-a0c4-45f0-8205-a80ef8f41f07");
>>> int limit = 150;
>>>
>>> CommonTableExpression<Record2<UUID, Long>> dec =
>>> name("dec").fields("deck_id", "image_count").as(dsl.select(
>>> DECK_IMAGE_COUNT.DECK_ID, DECK_IMAGE_COUNT.IMAGE_COUNT).from(
>>> DECK_IMAGE_COUNT).where(DECK_IMAGE_COUNT.DECK_ID.eq(deckId)));
>>>
>>>
>>> dsl.with(dec).select(JooqUtil.fieldsWithAliases(DECK_FIELDS, Deck.
>>> getAliases()))
>>> .select(JooqUtil.fieldsWithPrefixedAliazes(CARD_DECK_FIELDS, Card.
>>> getAliases(), Deck.CARDS_FIELD))
>>> .select(dsl.selectCount().from(CARD_DECK).where(CARD_DECK.DECK_ID.eq(
>>> DECK.ID)).asField(Deck.NUM_CARDS_FIELD))
>>> .select(dsl.select(DECK_EDITION.EDITION).from(DECK_EDITION).where(
>>> DECK_EDITION.DECK_ID.eq(DECK.ID)).asField(Deck.VERSION_FIELD))
>>> // How to convert [dic.image_count as "num_images",] from the above
>>> query in jooq
>>> // How to convert "public"."deck" left outer join dic on dic.deck_id =
>>> "public"."deck".id left in jooq
>>> .from(DECK).leftOuterJoin(dec).on(dec.field.eq(DECK.ID)) // This is
>>> what I was trying but could not make is happen
>>> .leftOuterJoin(CARD_DECK).on(CARD_DECK.DECK_ID.eq(DECK.ID))
>>> .leftOuterJoin(CARD).on(CARD.ID.eq(CARD_DECK.CARD_ID))
>>> .where(DECK.ID.eq(deckId))
>>> .orderBy(CARD_DECK.POSITION)
>>> .limit(limit);
>>>
>>> Thanks a lot in advance.
>>>
>>> Thanks,
>>> Deba
>>>
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