Shaofeng SHI created KYLIN-3637:
-----------------------------------
Summary: Union All not working with count()
Key: KYLIN-3637
URL: https://issues.apache.org/jira/browse/KYLIN-3637
Project: Kylin
Issue Type: Bug
Reporter: Shaofeng SHI
>From user@kylin mailing list:
When I ran sql "SELECT count(TRANS_ID) as TRANS_ID FROM KYLIN_SALES where
TRANS_ID <> 1 union all select count(TRANS_ID) as TRANS_ID FROM KYLIN_SALES"
on sample cube.
Got Error:
Error while compiling generated Java code: public static class Record2_1
implements java.io.Serializable { public Long TRANS_ID; public long
_KY_COUNT__; public Record2_1() {} public boolean equals(Object o) { if
(this == o) \{ return true; } if (!(o instanceof Record2_1)) { return false;
} return java.util.Objects.equals(this.TRANS_ID, ((Record2_1) o).TRANS_ID)
&& this._KY_COUNT__ == ((Record2_1) o)._KY_COUNT__; } public int hashCode()
{ int h = 0; h = org.apache.calcite.runtime.Utilities.hash(h,
this.TRANS_ID); h = org.apache.calcite.runtime.Utilities.hash(h,
this._KY_COUNT__); return h; } public int compareTo(Record2_1 that) { int c;
c = org.apache.calcite.runtime.Utilities.compareNullsLast(this.TRANS_ID,
that.TRANS_ID); if (c != 0) \{ return c; } c =
org.apache.calcite.runtime.Utilities.compare(this._KY_COUNT__,
that._KY_COUNT__); if (c != 0) \{ return c; } return 0; } public String
toString() { return "{TRANS_ID=" + this.TRANS_ID + ", _KY_COUNT__=" +
this._KY_COUNT__ + "}"; } } public static class Record1_0 implements
java.io.Serializable \{ public long f0; public Record1_0() {} public boolean
equals(Object o) \{ if (this == o) { return true; } if (!(o instanceof
Record1_0)) \{ return false; } return this.f0 == ((Record1_0) o).f0; } public
int hashCode() { int h = 0; h = org.apache.calcite.runtime.Utilities.hash(h,
this.f0); return h; } public int compareTo(Record1_0 that) { final int c; c
= org.apache.calcite.runtime.Utilities.compare(this.f0, that.f0); if (c !=
0) \{ return c; } return 0; } public String toString() { return "{f0=" +
this.f0 + "}"; } } org.apache.calcite.DataContext root; public
org.apache.calcite.linq4j.Enumerable bind(final
org.apache.calcite.DataContext root0) { root = root0; final
org.apache.calcite.linq4j.Enumerable _inputEnumerable =
((org.apache.kylin.query.schema.OLAPTable)
root.getRootSchema().getSubSchema("DEFAULT").getTable("KYLIN_SALES")).executeOLAPQuery(root,
1); final org.apache.calcite.linq4j.AbstractEnumerable child = new
org.apache.calcite.linq4j.AbstractEnumerable(){ public
org.apache.calcite.linq4j.Enumerator enumerator() { return new
org.apache.calcite.linq4j.Enumerator(){ public final
org.apache.calcite.linq4j.Enumerator inputEnumerator =
_inputEnumerable.enumerator(); public void reset() {
inputEnumerator.reset(); } public boolean moveNext() { while
(inputEnumerator.moveNext()) { final Long inp0_ = (Long) ((Object[])
inputEnumerator.current())[0]; if (inp0_ != null && inp0_.longValue() != 1L)
{ return true; } } return false; } public void close() {
inputEnumerator.close(); } public Object current() { final Object[] current
= (Object[]) inputEnumerator.current(); return new Object[] { current[0],
current[11]}; } }; } }; final org.apache.calcite.linq4j.Enumerable
_inputEnumerable0 = ((org.apache.kylin.query.schema.OLAPTable)
root.getRootSchema().getSubSchema("DEFAULT").getTable("KYLIN_SALES")).executeOLAPQuery(root,
2); final org.apache.calcite.linq4j.AbstractEnumerable child1 = new
org.apache.calcite.linq4j.AbstractEnumerable(){ public
org.apache.calcite.linq4j.Enumerator enumerator() { return new
org.apache.calcite.linq4j.Enumerator(){ public final
org.apache.calcite.linq4j.Enumerator inputEnumerator =
_inputEnumerable0.enumerator(); public void reset() {
inputEnumerator.reset(); } public boolean moveNext() { return
inputEnumerator.moveNext(); } public void close() { inputEnumerator.close();
} public Object current() { final Object[] current = (Object[])
inputEnumerator.current(); return new Record2_1( (Long) current[0],
org.apache.calcite.runtime.SqlFunctions.toLong(current[11])); } }; } };
return
org.apache.calcite.linq4j.Linq4j.singletonEnumerable(child.aggregate(new
org.apache.calcite.linq4j.function.Function0() { public Object apply() {
long a0s0; a0s0 = 0; Record1_0 record0; record0 = new Record1_0();
record0.f0 = a0s0; return record0; } } .apply(), new
org.apache.calcite.linq4j.function.Function2() { public Record1_0
apply(Record1_0 acc, Object[] in) { acc.f0 = acc.f0 +
org.apache.calcite.runtime.SqlFunctions.toLong(in[1]); return acc; } public
Record1_0 apply(Object acc, Object in) { return apply( (Record1_0) acc,
(Object[]) in); } } , new org.apache.calcite.linq4j.function.Function1() {
public long apply(Record1_0 acc) \{ return acc.f0; } public Object
apply(Object acc) \{ return apply( (Record1_0) acc); } }
)).concat(org.apache.calcite.linq4j.Linq4j.singletonEnumerable(child1.aggregate(new
org.apache.calcite.linq4j.function.Function0() { public Object apply() {
long a0s0; a0s0 = 0; Record1_0 record0; record0 = new Record1_0();
record0.f0 = a0s0; return record0; } } .apply(), new
org.apache.calcite.linq4j.function.Function2() { public Record1_0
apply(Record1_0 acc, Record2_1 in) { acc.f0 = acc.f0 + in._KY_COUNT__;
return acc; } public Record1_0 apply(Object acc, Object in) { return apply(
(Record1_0) acc, (Record2_1) in); } } , new
org.apache.calcite.linq4j.function.Function1() { public long apply(Record1_0
acc) \{ return acc.f0; } public Object apply(Object acc) { return apply(
(Record1_0) acc); } } ))).take(50000); } public Class getElementType() {
return long.class; } while executing SQL: "SELECT count(TRANS_ID) as
TRANS_ID FROM KYLIN_SALES where TRANS_ID <> 1 union all select
count(TRANS_ID) as TRANS_ID FROM KYLIN_SALES LIMIT 50000"
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