我碰巧有一個非常有趣的查詢和問題。我們運行的是Oracle 12c(從一年前的11g開始),最近剛剛從jOOq 3.4.x遷移到3.7.3,我不想使用現在不推薦使用的DSL.fieldByName
,但是我很難找到真正的喜歡從DSL.field
選項更換。下面是3.4.x生成的查詢(被遮住了安全模式名和表名):jOOq替換爲DSL.fieldByName
select
"v0" "pTitle",
"v1" "pCode",
"v2" "description",
"v3" "coid",
"v4" "viewCount",
"v5" "fileId",
"v6" "displayPos"
from (
select
"x"."v0",
"x"."v1",
"x"."v2",
"x"."v3",
"x"."v4",
"x"."v5",
"x"."v6",
rownum "rn"
from (
select
"pTitle" "v0",
"pCode" "v1",
"description" "v2",
"coid" "v3",
"viewCount" "v4",
"fileId" "v5",
rownum "v6"
from (
select
"SCHEMA_A"."LIBRARY"."TITLE" "pTitle",
"LibraryType"."CODE" "pCode",
"SCHEMA_A"."LIBRARY"."DESCRIPTION" "description",
"SCHEMA_A"."AC_ASSOC_TABLE"."OBJECT_ID" "coid",
"SCHEMA_A"."AC_ASSOC_TABLE"."VIEW_COUNT" "viewCount",
"SCHEMA_A"."FILES"."FILE_ID" "fileId",
row_number() over (partition by "SCHEMA_A"."AC_ASSOC_TABLE"."OBJECT_ID" order by "SCHEMA_A"."FILES"."FILE_ID" desc nulls last) "maxFileId"
from "SCHEMA_A"."AC_ASSOC_TABLE"
join (
"SCHEMA_A"."LKU_CODE"
join "SCHEMA_A"."LKU_CODE_TYPE"
on (
"SCHEMA_A"."LKU_CODE"."LKU_CODE_TYPE_ID" = "SCHEMA_A"."LKU_CODE_TYPE"."LKU_CODE_TYPE_ID"
and "SCHEMA_A"."LKU_CODE_TYPE"."CODE_TYPE" = 'OBJECT_TYPE'
)
)
on (
"SCHEMA_A"."AC_ASSOC_TABLE"."OBJECT_TYPE_ID" = "SCHEMA_A"."LKU_CODE"."LKU_CODE_ID"
and "SCHEMA_A"."LKU_CODE"."CODE" = 'PORTFOLIOS'
)
join "SCHEMA_A"."AC_RELEASE_TYPE"
on (
"SCHEMA_A"."AC_RELEASE_TYPE"."AC_OBJECT_ID" = "SCHEMA_A"."AC_ASSOC_TABLE"."AC_OBJECT_ID"
and "SCHEMA_A"."AC_RELEASE_TYPE"."SECTION" = 1
and "SCHEMA_A"."AC_RELEASE_TYPE"."RELEASE_TYPE" in (
6, 7
)
)
join "SCHEMA_A"."AC_SENSITIVITIES"
on (
"SCHEMA_A"."AC_SENSITIVITIES"."AC_OBJECT_ID" = "SCHEMA_A"."AC_ASSOC_TABLE"."AC_OBJECT_ID"
and "SCHEMA_A"."AC_SENSITIVITIES"."SECTION" = 0
)
join "SCHEMA_A"."USERS"
on (
bitand(
"SCHEMA_A"."AC_SENSITIVITIES"."SENSITIVITIES",
"SCHEMA_A"."USERS"."SENSITIVITIES") = "SCHEMA_A"."AC_SENSITIVITIES"."SENSITIVITIES"
and "SCHEMA_A"."USERS"."USER_ID" = 456920
)
join (
"SCHEMA_A"."LIBRARY"
join (
"SCHEMA_A"."LKU_CODE"
join "SCHEMA_A"."LKU_CODE_TYPE"
on (
"SCHEMA_A"."LKU_CODE"."LKU_CODE_TYPE_ID" = "SCHEMA_A"."LKU_CODE_TYPE"."LKU_CODE_TYPE_ID"
and "SCHEMA_A"."LKU_CODE_TYPE"."CODE_TYPE" = 'STATUS'
)
)
on (
"SCHEMA_A"."LIBRARY"."LIBRARY_STATUS_ID" = "SCHEMA_A"."LKU_CODE"."LKU_CODE_ID"
and "SCHEMA_A"."LKU_CODE"."CODE" = 'ACTIVE'
)
join (
"SCHEMA_A"."LKU_CODE" "LibraryType"
join "SCHEMA_A"."LKU_CODE_TYPE"
on (
"LibraryType"."LKU_CODE_TYPE_ID" = "SCHEMA_A"."LKU_CODE_TYPE"."LKU_CODE_TYPE_ID"
and "SCHEMA_A"."LKU_CODE_TYPE"."CODE_TYPE" = 'PORTFOLIO_TYPE'
)
)
on (
"SCHEMA_A"."LIBRARY"."PORTFOLIO_TYPE_ID" = "LibraryType"."LKU_CODE_ID"
and "LibraryType"."CODE" in (
'ELEMENT', 'PROJECT', 'PROGRAM'
)
)
join (
"SCHEMA_A"."LKU_CODE"
join "SCHEMA_A"."LKU_CODE_TYPE"
on (
"SCHEMA_A"."LKU_CODE"."LKU_CODE_TYPE_ID" = "SCHEMA_A"."LKU_CODE_TYPE"."LKU_CODE_TYPE_ID"
and "SCHEMA_A"."LKU_CODE_TYPE"."CODE_TYPE" = 'ACTIVITY_TYPE'
)
)
on (
"SCHEMA_A"."LIBRARY"."ACTIVITY_TYPE_ID" = "SCHEMA_A"."LKU_CODE"."LKU_CODE_ID"
and "SCHEMA_A"."LKU_CODE"."CODE" in (
'MISSION_WITH_TECHNOLOGY', 'TECHNOLOGY_ONLY'
)
)
)
on "SCHEMA_A"."LIBRARY"."LIBRARY_ID" = "SCHEMA_A"."AC_ASSOC_TABLE"."OBJECT_ID"
left outer join (
"SCHEMA_A"."LIBRARY_ITEMS"
join "SCHEMA_A"."FILES"
on "SCHEMA_A"."LIBRARY_ITEMS"."LIBRARY_ITEM_ID" = "SCHEMA_A"."FILES"."PARENT_OBJECT_ID"
join (
"SCHEMA_A"."LKU_CODE"
join "SCHEMA_A"."LKU_CODE_TYPE"
on (
"SCHEMA_A"."LKU_CODE"."LKU_CODE_TYPE_ID" = "SCHEMA_A"."LKU_CODE_TYPE"."LKU_CODE_TYPE_ID"
and "SCHEMA_A"."LKU_CODE_TYPE"."CODE_TYPE" = 'LIBRARY_ITEM_TYPE'
)
)
on (
"SCHEMA_A"."LIBRARY_ITEMS"."LIBRARY_ITEM_TYPE_ID" = "SCHEMA_A"."LKU_CODE"."LKU_CODE_ID"
and "SCHEMA_A"."LKU_CODE"."CODE" = 'OBJECT_IMAGE'
)
)
on (
"SCHEMA_A"."LIBRARY_ITEMS"."LIBRARY_ID" = "SCHEMA_A"."AC_ASSOC_TABLE"."OBJECT_ID"
and "SCHEMA_A"."LIBRARY_ITEMS"."IS_PRIMARY" = 1
)
where "SCHEMA_A"."AC_ASSOC_TABLE"."VIEW_COUNT" is not null
order by "SCHEMA_A"."AC_ASSOC_TABLE"."VIEW_COUNT" desc
) "alias_101861728"
where "maxFileId" = 1
) "x"
where rownum <= (0 + 10)
)
where "rn" > 0
order by "rn"
而下面是我可以用DSL.field(Name,Class<T>)
走出3.7.x的:
select
"v0" "pTitle",
"v1" "pCode",
"v2" "description",
"v3" "coid",
"v4" "viewCount",
"v5" "fileId",
"v6" "displayPos"
from (
select
"x"."v0",
"x"."v1",
"x"."v2",
"x"."v3",
"x"."v4",
"x"."v5",
"x"."v6",
rownum "rn"
from (
select
pTitle "v0",
pCode "v1",
description "v2",
coid "v3",
viewCount "v4",
fileId "v5",
rownum "v6"
from (
select
"SCHEMA_A"."LIBRARY"."TITLE" "pTitle",
"LibraryType"."CODE" "pCode",
"SCHEMA_A"."LIBRARY"."DESCRIPTION" "description",
"SCHEMA_A"."AC_ASSOC_TABLE"."OBJECT_ID" "coid",
"SCHEMA_A"."AC_ASSOC_TABLE"."VIEW_COUNT" "viewCount",
"SCHEMA_A"."FILES"."FILE_ID" "fileId",
row_number() over (partition by "SCHEMA_A"."AC_ASSOC_TABLE"."OBJECT_ID" order by "SCHEMA_A"."FILES"."FILE_ID" desc nulls last) "maxFileId"
from "SCHEMA_A"."AC_ASSOC_TABLE"
join (
"SCHEMA_A"."LKU_CODE"
join "SCHEMA_A"."LKU_CODE_TYPE"
on (
"SCHEMA_A"."LKU_CODE"."LKU_CODE_TYPE_ID" = "SCHEMA_A"."LKU_CODE_TYPE"."LKU_CODE_TYPE_ID"
and "SCHEMA_A"."LKU_CODE_TYPE"."CODE_TYPE" = 'OBJECT_TYPE'
)
)
on (
"SCHEMA_A"."AC_ASSOC_TABLE"."OBJECT_TYPE_ID" = "SCHEMA_A"."LKU_CODE"."LKU_CODE_ID"
and "SCHEMA_A"."LKU_CODE"."CODE" = 'PORTFOLIOS'
)
join "SCHEMA_A"."AC_RELEASE_TYPE"
on (
"SCHEMA_A"."AC_RELEASE_TYPE"."AC_OBJECT_ID" = "SCHEMA_A"."AC_ASSOC_TABLE"."AC_OBJECT_ID"
and "SCHEMA_A"."AC_RELEASE_TYPE"."SECTION" = 1
and "SCHEMA_A"."AC_RELEASE_TYPE"."RELEASE_TYPE" in (
6, 7
)
)
join "SCHEMA_A"."AC_SENSITIVITIES"
on (
"SCHEMA_A"."AC_SENSITIVITIES"."AC_OBJECT_ID" = "SCHEMA_A"."AC_ASSOC_TABLE"."AC_OBJECT_ID"
and "SCHEMA_A"."AC_SENSITIVITIES"."SECTION" = 0
)
join "SCHEMA_A"."USERS"
on (
bitand(
"SCHEMA_A"."AC_SENSITIVITIES"."SENSITIVITIES",
"SCHEMA_A"."USERS"."SENSITIVITIES") = "SCHEMA_A"."AC_SENSITIVITIES"."SENSITIVITIES"
and "SCHEMA_A"."USERS"."USER_ID" = 456920
)
join (
"SCHEMA_A"."LIBRARY"
join (
"SCHEMA_A"."LKU_CODE"
join "SCHEMA_A"."LKU_CODE_TYPE"
on (
"SCHEMA_A"."LKU_CODE"."LKU_CODE_TYPE_ID" = "SCHEMA_A"."LKU_CODE_TYPE"."LKU_CODE_TYPE_ID"
and "SCHEMA_A"."LKU_CODE_TYPE"."CODE_TYPE" = 'STATUS'
)
)
on (
"SCHEMA_A"."LIBRARY"."LIBRARY_STATUS_ID" = "SCHEMA_A"."LKU_CODE"."LKU_CODE_ID"
and "SCHEMA_A"."LKU_CODE"."CODE" = 'ACTIVE'
)
join (
"SCHEMA_A"."LKU_CODE" "LibraryType"
join "SCHEMA_A"."LKU_CODE_TYPE"
on (
"LibraryType"."LKU_CODE_TYPE_ID" = "SCHEMA_A"."LKU_CODE_TYPE"."LKU_CODE_TYPE_ID"
and "SCHEMA_A"."LKU_CODE_TYPE"."CODE_TYPE" = 'PORTFOLIO_TYPE'
)
)
on (
"SCHEMA_A"."LIBRARY"."PORTFOLIO_TYPE_ID" = "LibraryType"."LKU_CODE_ID"
and "LibraryType"."CODE" in (
'ELEMENT', 'PROJECT', 'PROGRAM'
)
)
join (
"SCHEMA_A"."LKU_CODE"
join "SCHEMA_A"."LKU_CODE_TYPE"
on (
"SCHEMA_A"."LKU_CODE"."LKU_CODE_TYPE_ID" = "SCHEMA_A"."LKU_CODE_TYPE"."LKU_CODE_TYPE_ID"
and "SCHEMA_A"."LKU_CODE_TYPE"."CODE_TYPE" = 'ACTIVITY_TYPE'
)
)
on (
"SCHEMA_A"."LIBRARY"."ACTIVITY_TYPE_ID" = "SCHEMA_A"."LKU_CODE"."LKU_CODE_ID"
and "SCHEMA_A"."LKU_CODE"."CODE" in (
'MISSION_WITH_TECHNOLOGY', 'TECHNOLOGY_ONLY'
)
)
)
on "SCHEMA_A"."LIBRARY"."LIBRARY_ID" = "SCHEMA_A"."AC_ASSOC_TABLE"."OBJECT_ID"
left outer join (
"SCHEMA_A"."LIBRARY_ITEMS"
join "SCHEMA_A"."FILES"
on "SCHEMA_A"."LIBRARY_ITEMS"."LIBRARY_ITEM_ID" = "SCHEMA_A"."FILES"."PARENT_OBJECT_ID"
join (
"SCHEMA_A"."LKU_CODE"
join "SCHEMA_A"."LKU_CODE_TYPE"
on (
"SCHEMA_A"."LKU_CODE"."LKU_CODE_TYPE_ID" = "SCHEMA_A"."LKU_CODE_TYPE"."LKU_CODE_TYPE_ID"
and "SCHEMA_A"."LKU_CODE_TYPE"."CODE_TYPE" = 'LIBRARY_ITEM_TYPE'
)
)
on (
"SCHEMA_A"."LIBRARY_ITEMS"."LIBRARY_ITEM_TYPE_ID" = "SCHEMA_A"."LKU_CODE"."LKU_CODE_ID"
and "SCHEMA_A"."LKU_CODE"."CODE" = 'OBJECT_IMAGE'
)
)
on (
"SCHEMA_A"."LIBRARY_ITEMS"."LIBRARY_ID" = "SCHEMA_A"."AC_ASSOC_TABLE"."OBJECT_ID"
and "SCHEMA_A"."LIBRARY_ITEMS"."IS_PRIMARY" = 1
)
where "SCHEMA_A"."AC_ASSOC_TABLE"."VIEW_COUNT" is not null
order by "SCHEMA_A"."AC_ASSOC_TABLE"."VIEW_COUNT" desc
) "alias_101861728"
where "maxFileId" = 1
) "x"
where rownum <= (0 + 10)
)
where "rn" > 0
order by "rn"
的上述重要的事情是,我們在別名周圍丟失了引號。現在Java代碼本身必須很有趣。似乎jOOq(在3.4.x和3.7.x中)「忘記」在使用別名的時候,它爲Oracle做了(奇妙的)極限和偏移模擬,所以我必須做一些詭計(3.4.x) :
final LkuCode libraryType = LkuCode.LKU_CODE.as("LibraryType");
final Field<Integer> maxFileId = DSL.rowNumber()
.over(DSL.partitionBy(co.OBJECT_ID).orderBy(f.FILE_ID.desc().nullsLast()))
.as("maxFileId");
final Field<String> pTitle = p.TITLE.as("pTitle");
final Field<String> pCode = libraryType.CODE.as("pCode");
final Field<String> description = p.DESCRIPTION.as("description");
final Field<BigDecimal> coid = co.OBJECT_ID.as("coid");
final Field<BigDecimal> viewCount = co.VIEW_COUNT.as("viewCount");
final Field<BigDecimal> fileId = f.FILE_ID.as("fileId");
final Field<String> pTitleAliasField = DSL.fieldByName(pTitle.getDataType(), pTitle.getName());
final Field<String> pCodeAliasField = DSL.fieldByName(pCode.getDataType(), pCode.getName());
final Field<String> descriptionAliasField = DSL.fieldByName(description.getDataType(), description.getName());
final Field<BigDecimal> coidAliasField = DSL.fieldByName(coid.getDataType(), coid.getName());
final Field<BigDecimal> viewCountAliasField = DSL.fieldByName(viewCount.getDataType(), viewCount.getName());
final Field<BigDecimal> fileIdAliasField = DSL.fieldByName(fileId.getDataType(), fileId.getName());
final Field<Integer> displayPos = (DSL.rownum().as("displayPos"));
final BigDecimal[] rts = new BigDecimal[] {RELEASE_TYPE_PUBLIC,
RELEASE_TYPE_INTERNAL};
final Condition limitByRelease = (cort.SECTION.equal(BigDecimal
.valueOf(AccessControlConstants.CORE_OBJECT_CHAR_ARRAY_PUBLIC_DATA)).and(cort.RELEASE_TYPE
.in(rts)));
final BigDecimal uid = new BigDecimal(DatabaseManager.getUid());
final Result<Record7<String, String, String, BigDecimal, BigDecimal, BigDecimal, Integer>> result;
try (Connection readConn = DatabaseManager.getConnection(false);
final DSLContext readContext = DatabaseManager.getBuilder(readConn)) {
final Select<Record7<String, String, String, BigDecimal, BigDecimal, BigDecimal, Integer>> query = readContext
.select(pTitleAliasField, pCodeAliasField, descriptionAliasField, coidAliasField,
viewCountAliasField, fileIdAliasField, displayPos)
.from(readContext
.select(pTitle, pCode, description, coid, viewCount, fileId, maxFileId)
.from(co
.join(lc.join(lct).onKey(Keys.LC_LCT___FK)
.and(lct.CODE_TYPE.equal(LkuCodeTypeLookup.OBJECT_TYPE)))
.onKey(Keys.CO_LC_OTI___FK)
.and(lc.CODE.equal(LkuCodeLookup.OBJECTTYPE_PORTFOLIOS))
.join(cort)
.onKey(Keys.CORT_CO___FK)
.and(limitByRelease)
.join(cos)
.onKey(Keys.COS_CO___FK)
.and(cos.SECTION.equal(BigDecimal
.valueOf(AccessControlConstants.CORE_OBJECT_CHAR_ARRAY_SELF)))
.join(tu)
.on(DSL.bitAnd(cos.SENSITIVITIES, tu.SENSITIVITIES)
.equal(cos.SENSITIVITIES).and(tu.USER_ID.equal(uid))))
.join(p
.join(lc.join(lct).onKey(Keys.LC_LCT___FK)
.and(lct.CODE_TYPE.equal(LkuCodeTypeLookup.PORTFOLIO_STATUS)))
.onKey(Keys.P_LC_PSI___FK)
.and(lc.CODE.equal(LkuCodeLookup.PORTFOLIO_STATUS_ACTIVE))
.join(libraryType.join(lct)
.on(libraryType.LKU_CODE_TYPE_ID.equal(lct.LKU_CODE_TYPE_ID))
.and(lct.CODE_TYPE.equal(LkuCodeTypeLookup.PORTFOLIO_TYPE)))
.on(p.PORTFOLIO_TYPE_ID.equal(libraryType.LKU_CODE_ID))
.and(libraryType.CODE
.in(new String[] {LkuCodeLookup.PORTFOLIO_TYPE_ELEMENT,
LkuCodeLookup.PORTFOLIO_TYPE_PROJECT,
LkuCodeLookup.PORTFOLIO_TYPE_PROGRAM}))
.join(lc.join(lct).onKey(Keys.LC_LCT___FK)
.and(lct.CODE_TYPE.equal(LkuCodeTypeLookup.ACTIVITY_TYPE)))
.onKey(Keys.P_LC_ATI___FK)
.and(lc.CODE.in(LkuCodeLookup.PORTFOLIO_ACTIVITY_TYPE_TECHNOLOGY)))
.on(p.PORTFOLIO_ID.equal(co.OBJECT_ID))
.leftOuterJoin(
li
.join(f)
.on(li.LIBRARY_ITEM_ID.equal(f.PARENT_OBJECT_ID))
.join(lc
.join(lct)
.onKey(Keys.LC_LCT___FK)
.and(lct.CODE_TYPE
.equal(LkuCodeTypeLookup.LIBRARY_ITEM_TYPE)))
.onKey(Keys.LI_LC_LITI___FK)
.and(lc.CODE.equal(LkuCodeLookup.LIBRARY_ITEM_TYPE_OBJECT_IMAGE)))
.on(li.PORTFOLIO_ID.equal(co.OBJECT_ID).and(
li.IS_PRIMARY.equal(byteOne)))
.where(co.VIEW_COUNT.isNotNull()).orderBy(co.VIEW_COUNT.desc()))
.where(maxFileId.equal(Integer.valueOf(1))).limit(numberOfObjects).offset(startNumber - 1);
result = query.fetch();
現在,我明白,我可以使用,而不是加入SENSITVITIES SQL EXISTS
和RELEASE_TYPES表(以及其他幾個表),但是這是我在做什麼,現在,這就是這個問題並不真正相關。如果還有其他事情我可以做,我很樂意聽到它。我試着不使用在所有的別名,但事情隨後得到打亂了:
final Select<Record7<String, String, String, BigDecimal, BigDecimal, BigDecimal, Integer>> query = readContext
.select(HomeDAO.p.PORTFOLIO_TITLE, portfolioType.CODE, HomeDAO.p.BRIEF_DESCRIPTION,
HomeDAO.co.OBJECT_ID, HomeDAO.co.VIEW_COUNT, HomeDAO.f.FILE_ID, displayPos)
.from(readContext
.select(HomeDAO.p.PORTFOLIO_TITLE, portfolioType.CODE, HomeDAO.p.BRIEF_DESCRIPTION,
HomeDAO.co.OBJECT_ID, HomeDAO.co.VIEW_COUNT, HomeDAO.f.FILE_ID, maxFileId)
.from(HomeDAO.co
.join(HomeDAO.lc.join(HomeDAO.lct).onKey(Keys.LC_LCT___FK)
.and(HomeDAO.lct.CODE_TYPE.equal(LkuCodeTypeLookup.OBJECT_TYPE)))
.onKey(Keys.CO_LC_OTI___FK)
.and(HomeDAO.lc.CODE.equal(LkuCodeLookup.OBJECTTYPE_PORTFOLIOS))
.join(HomeDAO.cort)
.onKey(Keys.CORT_CO___FK)
.and(limitByRelease)
.join(HomeDAO.cos)
.onKey(Keys.COS_CO___FK)
.and(HomeDAO.cos.SECTION.equal(BigDecimal
.valueOf(AccessControlConstants.CORE_OBJECT_CHAR_ARRAY_SELF)))
.join(HomeDAO.tu)
.on(DSL.bitAnd(HomeDAO.cos.SENSITIVITIES, HomeDAO.tu.SENSITIVITIES)
.equal(HomeDAO.cos.SENSITIVITIES).and(HomeDAO.tu.USER_ID.equal(uid))))
.join(HomeDAO.p
.join(HomeDAO.lc.join(HomeDAO.lct).onKey(Keys.LC_LCT___FK)
.and(HomeDAO.lct.CODE_TYPE.equal(LkuCodeTypeLookup.PORTFOLIO_STATUS)))
.onKey(Keys.P_LC_PSI___FK)
.and(HomeDAO.lc.CODE.equal(LkuCodeLookup.PORTFOLIO_STATUS_ACTIVE))
.join(portfolioType.join(HomeDAO.lct)
.on(portfolioType.LKU_CODE_TYPE_ID.equal(HomeDAO.lct.LKU_CODE_TYPE_ID))
.and(HomeDAO.lct.CODE_TYPE.equal(LkuCodeTypeLookup.PORTFOLIO_TYPE)))
.on(HomeDAO.p.PORTFOLIO_TYPE_ID.equal(portfolioType.LKU_CODE_ID))
.and(portfolioType.CODE
.in(new String[] {LkuCodeLookup.PORTFOLIO_TYPE_ELEMENT,
LkuCodeLookup.PORTFOLIO_TYPE_PROJECT,
LkuCodeLookup.PORTFOLIO_TYPE_PROGRAM}))
.join(HomeDAO.lc.join(HomeDAO.lct).onKey(Keys.LC_LCT___FK)
.and(HomeDAO.lct.CODE_TYPE.equal(LkuCodeTypeLookup.ACTIVITY_TYPE)))
.onKey(Keys.P_LC_ATI___FK)
.and(HomeDAO.lc.CODE.in(LkuCodeLookup.PORTFOLIO_ACTIVITY_TYPE_TECHNOLOGY)))
.on(HomeDAO.p.PORTFOLIO_ID.equal(HomeDAO.co.OBJECT_ID))
.leftOuterJoin(
HomeDAO.li
.join(HomeDAO.f)
.on(HomeDAO.li.LIBRARY_ITEM_ID.equal(HomeDAO.f.PARENT_OBJECT_ID))
.join(HomeDAO.lc
.join(HomeDAO.lct)
.onKey(Keys.LC_LCT___FK)
.and(HomeDAO.lct.CODE_TYPE
.equal(LkuCodeTypeLookup.LIBRARY_ITEM_TYPE)))
.onKey(Keys.LI_LC_LITI___FK)
.and(HomeDAO.lc.CODE.equal(LkuCodeLookup.LIBRARY_ITEM_TYPE_OBJECT_IMAGE)))
.on(HomeDAO.li.PORTFOLIO_ID.equal(HomeDAO.co.OBJECT_ID).and(
HomeDAO.li.IS_PRIMARY.equal(HomeDAO.byteOne)))
.where(HomeDAO.co.VIEW_COUNT.isNotNull()).orderBy(HomeDAO.co.VIEW_COUNT.desc()))
.where(maxFileId.equal(Integer.valueOf(1))).limit(numberOfObjects).offset(startNumber - 1);
其中產量:
select
"v0" "TITLE",
"v1" "CODE",
"v2" "DESCRIPTION",
"v3" "OBJECT_ID",
"v4" "VIEW_COUNT",
"v5" "FILE_ID",
"v6" "displayPos"
from (
select
"x"."v0",
"x"."v1",
"x"."v2",
"x"."v3",
"x"."v4",
"x"."v5",
"x"."v6",
rownum "rn"
from (
select
"SCHEMA_A"."LIBRARY"."TITLE" "v0",
"PortfolioType"."CODE" "v1",
"SCHEMA_A"."LIBRARY"."DESCRIPTION" "v2",
"SCHEMA_A"."AC_ASSOC_TABLE"."OBJECT_ID" "v3",
"SCHEMA_A"."AC_ASSOC_TABLE"."VIEW_COUNT" "v4",
"SCHEMA_A"."FILES"."FILE_ID" "v5",
row_number "v6"
from (
select
"SCHEMA_A"."LIBRARY"."TITLE",
"PortfolioType"."CODE",
"SCHEMA_A"."LIBRARY"."DESCRIPTION",
"SCHEMA_A"."AC_ASSOC_TABLE"."OBJECT_ID",
"SCHEMA_A"."AC_ASSOC_TABLE"."VIEW_COUNT",
"SCHEMA_A"."FILES"."FILE_ID",
row_number() over (partition by "SCHEMA_A"."AC_ASSOC_TABLE"."OBJECT_ID" order by "SCHEMA_A"."FILES"."FILE_ID" desc nulls last) "maxFileId"
from "SCHEMA_A"."AC_ASSOC_TABLE"
join (
"SCHEMA_A"."LKU_CODE"
join "SCHEMA_A"."LKU_CODE_TYPE"
on (
"SCHEMA_A"."LKU_CODE"."LKU_CODE_TYPE_ID" = "SCHEMA_A"."LKU_CODE_TYPE"."LKU_CODE_TYPE_ID"
and "SCHEMA_A"."LKU_CODE_TYPE"."CODE_TYPE" = 'OBJECT_TYPE'
)
)
on (
"SCHEMA_A"."AC_ASSOC_TABLE"."OBJECT_TYPE_ID" = "SCHEMA_A"."LKU_CODE"."LKU_CODE_ID"
and "SCHEMA_A"."LKU_CODE"."CODE" = 'PORTFOLIOS'
)
join "SCHEMA_A"."AC_RELEASE_TYPE"
on (
"SCHEMA_A"."AC_RELEASE_TYPE"."AC_OBJECT_ID" = "SCHEMA_A"."AC_ASSOC_TABLE"."AC_OBJECT_ID"
and "SCHEMA_A"."AC_RELEASE_TYPE"."SECTION" = 1
and "SCHEMA_A"."AC_RELEASE_TYPE"."RELEASE_TYPE" in (
6, 7
)
)
join "SCHEMA_A"."AC_SENSITIVITIES"
on (
"SCHEMA_A"."AC_SENSITIVITIES"."AC_OBJECT_ID" = "SCHEMA_A"."AC_ASSOC_TABLE"."AC_OBJECT_ID"
and "SCHEMA_A"."AC_SENSITIVITIES"."SECTION" = 0
)
join "SCHEMA_A"."USERS"
on (
bitand(
"SCHEMA_A"."AC_SENSITIVITIES"."SENSITIVITIES",
"SCHEMA_A"."USERS"."SENSITIVITIES") = "SCHEMA_A"."AC_SENSITIVITIES"."SENSITIVITIES"
and "SCHEMA_A"."USERS"."USER_ID" = 456920
)
join (
"SCHEMA_A"."LIBRARY"
join (
"SCHEMA_A"."LKU_CODE"
join "SCHEMA_A"."LKU_CODE_TYPE"
on (
"SCHEMA_A"."LKU_CODE"."LKU_CODE_TYPE_ID" = "SCHEMA_A"."LKU_CODE_TYPE"."LKU_CODE_TYPE_ID"
and "SCHEMA_A"."LKU_CODE_TYPE"."CODE_TYPE" = 'STATUS'
)
)
on (
"SCHEMA_A"."LIBRARY"."PORTFOLIO_STATUS_ID" = "SCHEMA_A"."LKU_CODE"."LKU_CODE_ID"
and "SCHEMA_A"."LKU_CODE"."CODE" = 'ACTIVE'
)
join (
"SCHEMA_A"."LKU_CODE" "PortfolioType"
join "SCHEMA_A"."LKU_CODE_TYPE"
on (
"PortfolioType"."LKU_CODE_TYPE_ID" = "SCHEMA_A"."LKU_CODE_TYPE"."LKU_CODE_TYPE_ID"
and "SCHEMA_A"."LKU_CODE_TYPE"."CODE_TYPE" = 'PORTFOLIO_TYPE'
)
)
on (
"SCHEMA_A"."LIBRARY"."LIBRARY_ITEM_ID" = "PortfolioType"."LKU_CODE_ID"
and "PortfolioType"."CODE" in (
'ELEMENT', 'PROJECT', 'PROGRAM'
)
)
join (
"SCHEMA_A"."LKU_CODE"
join "SCHEMA_A"."LKU_CODE_TYPE"
on (
"SCHEMA_A"."LKU_CODE"."LKU_CODE_TYPE_ID" = "SCHEMA_A"."LKU_CODE_TYPE"."LKU_CODE_TYPE_ID"
and "SCHEMA_A"."LKU_CODE_TYPE"."CODE_TYPE" = 'ACTIVITY_TYPE'
)
)
on (
"SCHEMA_A"."LIBRARY"."ACTIVITY_TYPE_ID" = "SCHEMA_A"."LKU_CODE"."LKU_CODE_ID"
and "SCHEMA_A"."LKU_CODE"."CODE" in (
'MISSION_WITH_TECHNOLOGY', 'TECHNOLOGY_ONLY'
)
)
)
on "SCHEMA_A"."LIBRARY"."LIBRARY_ITEM_ID" = "SCHEMA_A"."AC_ASSOC_TABLE"."OBJECT_ID"
left outer join (
"SCHEMA_A"."LIBRARY_ITEMS"
join "SCHEMA_A"."FILES"
on "SCHEMA_A"."LIBRARY_ITEMS"."LIBRARY_ITEM_ID" = "SCHEMA_A"."FILES"."PARENT_OBJECT_ID"
join (
"SCHEMA_A"."LKU_CODE"
join "SCHEMA_A"."LKU_CODE_TYPE"
on (
"SCHEMA_A"."LKU_CODE"."LKU_CODE_TYPE_ID" = "SCHEMA_A"."LKU_CODE_TYPE"."LKU_CODE_TYPE_ID"
and "SCHEMA_A"."LKU_CODE_TYPE"."CODE_TYPE" = 'LIBRARY_ITEM_TYPE'
)
)
on (
"SCHEMA_A"."LIBRARY_ITEMS"."LIBRARY_ITEM_TYPE_ID" = "SCHEMA_A"."LKU_CODE"."LKU_CODE_ID"
and "SCHEMA_A"."LKU_CODE"."CODE" = 'OBJECT_IMAGE'
)
)
on (
"SCHEMA_A"."LIBRARY_ITEMS"."LIBRARY_ITEM_ID" = "SCHEMA_A"."AC_ASSOC_TABLE"."OBJECT_ID"
and "SCHEMA_A"."LIBRARY_ITEMS"."IS_PRIMARY" = 1
)
where "SCHEMA_A"."AC_ASSOC_TABLE"."VIEW_COUNT" is not null
order by "SCHEMA_A"."AC_ASSOC_TABLE"."VIEW_COUNT" desc
) "alias_62833117"
where "maxFileId" = 1
) "x"
where rownum <= (0 + 10)
)
where "rn" > 0
order by "rn"
此情況下,SQL異常(ORA-00904: "SCHEMA_A"."FILES"."FILE_ID": invalid identifier
- 行錯誤:26列:7)。
僅使用第一組別名會導致錯誤的SQL查詢,因爲jOOq的模擬LIMIT
不使用別名,而是使用全名。
final LkuCode libraryType = LkuCode.LKU_CODE.as("LibraryType");
final Field<Integer> maxFileId = DSL.rowNumber()
.over(DSL.partitionBy(co.OBJECT_ID).orderBy(f.FILE_ID.desc().nullsLast()))
.as("maxFileId");
final Field<String> pTitle = p.TITLE.as("pTitle");
final Field<String> pCode = libraryType.CODE.as("pCode");
final Field<String> description = p.DESCRIPTION.as("description");
final Field<BigDecimal> coid = co.OBJECT_ID.as("coid");
final Field<BigDecimal> viewCount = co.VIEW_COUNT.as("viewCount");
final Field<BigDecimal> fileId = f.FILE_ID.as("fileId");
final Select<Record7<String, String, String, BigDecimal, BigDecimal, BigDecimal, Integer>> query = readContext
.select(pTitle, pCode, description, coid, viewCount, fileId, displayPos)
.from(readContext
.select(pTitle, pCode, description, coid, viewCount, fileId, maxFileId)
產生了片段:
select
"v0" "pTitle",
"v1" "pCode",
"v2" "description",
"v3" "coid",
"v4" "viewCount",
"v5" "fileId",
"v6" "displayPos"
from (
select
"x"."v0",
"x"."v1",
"x"."v2",
"x"."v3",
"x"."v4",
"x"."v5",
"x"."v6",
rownum "rn"
from (
select
"SCHEMA_A"."LIBRARY"."TITLE" "v0",
"LibraryType"."CODE" "v1",
"SCHEMA_A"."LIBRARY"."DESCRIPTION" "v2",
"SCHEMA_A"."AC_ASSOC_TABLE"."OBJECT_ID" "v3",
"SCHEMA_A"."AC_ASSOC_TABLE"."VIEW_COUNT" "v4",
"SCHEMA_A"."FILES"."FILE_ID" "v5",
rownum "v6"
from (
select
"SCHEMA_A"."LIBRARY"."TITLE" "pTitle",
"LibraryType"."CODE" "pCode",
"SCHEMA_A"."LIBRARY"."DESCRIPTION" "description",
"SCHEMA_A"."AC_ASSOC_TABLE"."OBJECT_ID" "coid",
"SCHEMA_A"."AC_ASSOC_TABLE"."VIEW_COUNT" "viewCount",
"SCHEMA_A"."FILES"."FILE_ID" "fileId",
row_number() over (partition by "SCHEMA_A"."AC_ASSOC_TABLE"."OBJECT_ID" order by "SCHEMA_A"."FILES"."FILE_ID" desc nulls last) "maxFileId"
嗯,這不應該發生,我似乎無法立即重現它。你確定你正在使用'field(Name,Class)'而不是,也許''field(String,Class )''?另外,我可能會誤解你的問題,但我認爲你只使用jOOQ 3.4發佈了工作代碼,而不是使用3.7的失敗Java代碼,是嗎? –
我本來會喜歡有更多的東西,但是達到了字符極限並且不得不做出「剪裁」。你知道什麼......我忘了'.getName()'返回一個'String'。我必須製作一個字段,一個名稱,然後是第二個「別名」字段嗎?如果你寫的是代碼,你會怎麼做別名?只是一個顯示一組別名(sans查詢)的例子將受到高度讚賞(可能是pTitle和別名字段的示例,如果必須有的話)。 – DanO
快速後續問題:有沒有辦法消除對第二組變量的需求? – DanO