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[CBRD-25382] Added a sql test case for Support HASH JOIN with hint required #1936

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merged 5 commits into from
Dec 4, 2024
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[CBRD-25382] Added a sql test case for Support HASH JOIN with hint required #1936

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fc2a043
[CBRD-25382] added a sql test case for Support HASH JOIN with hint re…
junsklee Nov 4, 2024
4bd8fd1
[CBRD-25382] answer files revision
junsklee Nov 4, 2024
8fa90da
deleted cci file to reflect cci query plan bug fix regarding delete s…
junsklee Nov 6, 2024
41e92cf
[CBRD-25382] Changed --@fullplan keyword to --@queryplan
junsklee Nov 7, 2024
78c80c1
[CBRD-25382] alphhabetized index names
junsklee Nov 13, 2024
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504 changes: 504 additions & 0 deletions sql/_35_fig_cake/cbrd_25382/answers/cbrd_25382_1.answer
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324 changes: 324 additions & 0 deletions sql/_35_fig_cake/cbrd_25382/answers/cbrd_25382_7.answer
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Original file line number Diff line number Diff line change
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===================================================
0
===================================================
0
===================================================
0
===================================================
4
===================================================
0
===================================================
0
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0
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0
===================================================

#### 1. hint: recompile use_hash

===================================================
a_ca b_ca c_ca
1 1 1
2 2 2
3 3 3
4 4 4

Query plan:
hash-join (inner join)
edge: term[?]
outer: hash-join (inner join)
edge: term[?]
outer: sscan
class: ab node[?]
sargs: term[?]
cost: ? card ?
inner: sscan
class: b node[?]
sargs: term[?]
cost: ? card ?
cost: ? card ?
inner: sscan
class: c node[?]
sargs: term[?]
cost: ? card ?
cost: ? card ?
Query stmt:
select /*+ USE_HASH */ ab.ca, b.ca, c.ca from ta ab, tb b, tc c where (b.ca=c.ca) and (ab.ca=b.ca) and b.flag= ?:? and ab.flag= ?:? and c.flag= ?:?
===================================================
0
===================================================

#### 2. hint: recompile + use_hash

===================================================
a_ca b_ca c_ca
1 1 1
2 2 2
3 3 3
4 4 4

Query plan:
hash-join (inner join)
edge: term[?]
outer: hash-join (inner join)
edge: term[?]
outer: sscan
class: ab node[?]
sargs: term[?]
cost: ? card ?
inner: sscan
class: b node[?]
sargs: term[?]
cost: ? card ?
cost: ? card ?
inner: sscan
class: c node[?]
sargs: term[?]
cost: ? card ?
cost: ? card ?
Query stmt:
select /*+ USE_HASH */ ab.ca, b.ca, c.ca from ta ab, tb b, tc c where (b.ca=c.ca) and (ab.ca=b.ca) and b.flag= ?:? and ab.flag= ?:? and c.flag= ?:?
===================================================
0
===================================================

#### 3. hint: recompile use_hash + use_hash

===================================================
a_ca b_ca c_ca
1 1 1
2 2 2
3 3 3
4 4 4

Query plan:
hash-join (inner join)
edge: term[?]
outer: hash-join (inner join)
edge: term[?]
outer: sscan
class: ab node[?]
sargs: term[?]
cost: ? card ?
inner: sscan
class: b node[?]
sargs: term[?]
cost: ? card ?
cost: ? card ?
inner: sscan
class: c node[?]
sargs: term[?]
cost: ? card ?
cost: ? card ?
Query stmt:
select /*+ USE_HASH */ ab.ca, b.ca, c.ca from ta ab, tb b, tc c where (b.ca=c.ca) and (ab.ca=b.ca) and b.flag= ?:? and ab.flag= ?:? and c.flag= ?:?
===================================================
0
===================================================

#### 4. hint: recompile no_use_hash + use_hash

===================================================
a_ca b_ca c_ca
1 1 1
2 2 2
3 3 3
4 4 4

Query plan:
nl-join (inner join)
edge: term[?]
outer: nl-join (inner join)
edge: term[?]
outer: sscan
class: ab node[?]
sargs: term[?]
cost: ? card ?
inner: sscan
class: b node[?]
sargs: term[?] AND term[?]
cost: ? card ?
cost: ? card ?
inner: sscan
class: c node[?]
sargs: term[?] AND term[?]
cost: ? card ?
cost: ? card ?
Query stmt:
select /*+ NO_USE_HASH USE_HASH */ ab.ca, b.ca, c.ca from ta ab, tb b, tc c where (b.ca=c.ca) and (ab.ca=b.ca) and b.flag= ?:? and ab.flag= ?:? and c.flag= ?:?
===================================================
0
===================================================

#### 5. hint: recompile use_hash(ab,c) + use_hash(a,b)

===================================================
a_ca b_ca c_ca
1 1 1
2 2 2
3 3 3
4 4 4

Query plan:
hash-join (inner join)
edge: term[?]
outer: hash-join (inner join)
edge: term[?]
outer: sscan
class: ab node[?]
sargs: term[?]
cost: ? card ?
inner: sscan
class: b node[?]
sargs: term[?]
cost: ? card ?
cost: ? card ?
inner: sscan
class: c node[?]
sargs: term[?]
cost: ? card ?
cost: ? card ?
Query stmt:
select /*+ USE_HASH(ab, c, a, b) */ ab.ca, b.ca, c.ca from ta ab, tb b, tc c where (b.ca=c.ca) and (ab.ca=b.ca) and b.flag= ?:? and ab.flag= ?:? and c.flag= ?:?
===================================================
0
===================================================

#### 6. hint: recompile use_hash(ab) + no_use_hash(a)

===================================================
a_ca b_ca c_ca
1 1 1
2 2 2
3 3 3
4 4 4

Query plan:
nl-join (inner join)
edge: term[?]
outer: nl-join (inner join)
edge: term[?]
outer: sscan
class: ab node[?]
sargs: term[?]
cost: ? card ?
inner: sscan
class: b node[?]
sargs: term[?] AND term[?]
cost: ? card ?
cost: ? card ?
inner: sscan
class: c node[?]
sargs: term[?] AND term[?]
cost: ? card ?
cost: ? card ?
Query stmt:
select /*+ NO_USE_HASH(a) USE_HASH(ab) */ ab.ca, b.ca, c.ca from ta ab, tb b, tc c where (b.ca=c.ca) and (ab.ca=b.ca) and b.flag= ?:? and ab.flag= ?:? and c.flag= ?:?
===================================================
0
===================================================

#### 7. hint: recompile no_use_hash(ab) + use_hash(a)

===================================================
a_ca b_ca c_ca
1 1 1
2 2 2
3 3 3
4 4 4

Query plan:
nl-join (inner join)
edge: term[?]
outer: hash-join (inner join)
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edge: term[?]
outer: sscan
class: b node[?]
sargs: term[?]
cost: ? card ?
inner: sscan
class: ab node[?]
sargs: term[?]
cost: ? card ?
cost: ? card ?
inner: sscan
class: c node[?]
sargs: term[?] AND term[?]
cost: ? card ?
cost: ? card ?
Query stmt:
select /*+ NO_USE_HASH(ab) USE_HASH(a) */ ab.ca, b.ca, c.ca from ta ab, tb b, tc c where (b.ca=c.ca) and (ab.ca=b.ca) and b.flag= ?:? and ab.flag= ?:? and c.flag= ?:?
===================================================
0
===================================================

#### 8. hint: recompile no_use_hash(a,b,c) + use_hash(a,b,c)

===================================================
a_ca b_ca c_ca
1 1 1
2 2 2
3 3 3
4 4 4

Query plan:
hash-join (inner join)
edge: term[?]
outer: hash-join (inner join)
edge: term[?]
outer: sscan
class: c node[?]
sargs: term[?]
cost: ? card ?
inner: sscan
class: b node[?]
sargs: term[?]
cost: ? card ?
cost: ? card ?
inner: sscan
class: ab node[?]
sargs: term[?]
cost: ? card ?
cost: ? card ?
Query stmt:
select /*+ NO_USE_HASH(c) USE_HASH(a, b) */ ab.ca, b.ca, c.ca from ta ab, tb b, tc c where (b.ca=c.ca) and (ab.ca=b.ca) and b.flag= ?:? and ab.flag= ?:? and c.flag= ?:?
===================================================
0
===================================================

#### 9. hint: recompile use_hash(a,b,c) + no_use_hash(a,b,c)

===================================================
a_ca b_ca c_ca
1 1 1
2 2 2
3 3 3
4 4 4

Query plan:
hash-join (inner join)
edge: term[?]
outer: nl-join (inner join)
edge: term[?]
outer: sscan
class: ab node[?]
sargs: term[?]
cost: ? card ?
inner: sscan
class: b node[?]
sargs: term[?] AND term[?]
cost: ? card ?
cost: ? card ?
inner: sscan
class: c node[?]
sargs: term[?]
cost: ? card ?
cost: ? card ?
Query stmt:
select /*+ NO_USE_HASH(a, b) USE_HASH(c) */ ab.ca, b.ca, c.ca from ta ab, tb b, tc c where (b.ca=c.ca) and (ab.ca=b.ca) and b.flag= ?:? and ab.flag= ?:? and c.flag= ?:?
===================================================
0
===================================================
0
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