yjhjstz opened a new pull request, #1159:
URL: https://github.com/apache/cloudberry/pull/1159
```sql
(gdb) bt
#0 0x00007fb89d119387 in raise () from /lib64/libc.so.6
#1 0x00007fb89d11aa78 in abort () from /lib64/libc.so.6
#2 0x00007fb89dc45850 in ExceptionalCondition
(conditionName=conditionName@entry=0x7fb89ea39371 "0",
errorType=errorType@entry=0x7fb89e83a007 "FailedAssertion",
fileName=fileName@entry=0x7fb89e992ba3 "copyfuncs.c",
lineNumber=lineNumber@entry=7881) at assert.c:44
#3 0x00007fb89dfafc39 in copyObjectImpl (from=0xef5560) at copyfuncs.c:7881
#4 0x00007fb89dea45ba in refresh_matview_datafill (dest=0xe9a820,
query=0xef5560, queryString=0xdb9860 "REFRESH MATERIALIZED VIEW m_aocs WITH NO
DATA;",
refreshClause=0xf2e6c0) at matview.c:741
#5 0x00007fb89dea52b3 in ExecRefreshMatView (stmt=stmt@entry=0xdba330,
queryString=queryString@entry=0xdb9860 "REFRESH MATERIALIZED VIEW m_aocs WITH
NO DATA;",
params=params@entry=0x0, qc=qc@entry=0x7ffd162afc60) at matview.c:627
#6 0x00007fb89e17b75a in ProcessUtilitySlow (pstate=0xe90ad8,
pstmt=0xdba3f8, queryString=0xdb9860 "REFRESH MATERIALIZED VIEW m_aocs WITH NO
DATA;",
context=PROCESS_UTILITY_TOPLEVEL, params=0x0, queryEnv=0x0,
qc=0x7ffd162afc60, dest=<optimized out>) at utility.c:2347
#7 0x00007fb89e179e41 in standard_ProcessUtility (pstmt=0xdba3f8,
queryString=0xdb9860 "REFRESH MATERIALIZED VIEW m_aocs WITH NO DATA;",
readOnlyTree=<optimized out>,
context=PROCESS_UTILITY_TOPLEVEL, params=0x0, queryEnv=0x0,
dest=0xdba7d8, qc=0x7ffd162afc60) at utility.c:1414
#8 0x00007fb89e17aac3 in ProcessUtility (pstmt=pstmt@entry=0xdba3f8,
queryString=0xdb9860 "REFRESH MATERIALIZED VIEW m_aocs WITH NO DATA;",
readOnlyTree=<optimized out>,
context=context@entry=PROCESS_UTILITY_TOPLEVEL, params=0x0,
queryEnv=0x0, dest=0xdba7d8, qc=0x7ffd162afc60) at utility.c:621
#9 0x00007fb89e178373 in PortalRunUtility (portal=portal@entry=0xe32a70,
pstmt=pstmt@entry=0xdba3f8, isTopLevel=isTopLevel@entry=true,
setHoldSnapshot=setHoldSnapshot@entry=false, dest=0xdba7d8,
qc=0x7ffd162afc60) at pquery.c:1370
#10 0x00007fb89e1784c4 in PortalRunMulti (portal=portal@entry=0xe32a70,
isTopLevel=isTopLevel@entry=true, setHoldSnapshot=setHoldSnapshot@entry=false,
dest=dest@entry=0xdba7d8, altdest=altdest@entry=0xdba7d8,
qc=qc@entry=0x7ffd162afc60) at pquery.c:1527
#11 0x00007fb89e178c33 in PortalRun (portal=portal@entry=0xe32a70,
count=count@entry=9223372036854775807, isTopLevel=isTopLevel@entry=true,
run_once=run_once@entry=true,
dest=dest@entry=0xdba7d8, altdest=altdest@entry=0xdba7d8,
qc=0x7ffd162afc60) at pquery.c:995
#12 0x00007fb89e171de8 in exec_simple_query (query_string=0xdb9860 "REFRESH
MATERIALIZED VIEW m_aocs WITH NO DATA;") at postgres.c:1952
#13 0x00007fb89e175c69 in PostgresMain (argc=argc@entry=1,
argv=argv@entry=0x7ffd162b00b0, dbname=<optimized out>, username=<optimized
out>) at postgres.c:5633
#14 0x00007fb89e0bb25d in BackendRun (port=<optimized out>, port=<optimized
out>) at postmaster.c:5134
#15 BackendStartup (port=<optimized out>) at postmaster.c:4838
#16 ServerLoop () at postmaster.c:2062
#17 0x00007fb89e0bc3de in PostmasterMain (argc=argc@entry=7,
argv=argv@entry=0xdb40d0) at postmaster.c:1687
#18 0x00000000004017ce in main (argc=7, argv=0xdb40d0) at main/main.c:269
(gdb)
```
In ExecRefreshMatView(), the pointer viewQuery may be invalidated when
make_new_heap_with_colname() closes the old heap via table_close(OldHeap,
NoLock). This happens because table_close() can release relcache entries and
associated rules, including rd_rules, which stores the viewQuery.
To avoid accessing a possibly freed memory region, make a deep copy of
viewQuery before invoking make_new_heap_with_colname(), and use this copy as
dataQuery for further processing.
Fix: ERROR: unrecognized node type: 2139062143 (copyfuncs.c:7663)
Fixes #ISSUE_Number
### What does this PR do?
<!-- Brief overview of the changes, including any major features or fixes -->
### Type of Change
- [ ] Bug fix (non-breaking change)
- [ ] New feature (non-breaking change)
- [ ] Breaking change (fix or feature with breaking changes)
- [ ] Documentation update
### Breaking Changes
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### Test Plan
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- [ ] Unit tests added/updated
- [ ] Integration tests added/updated
- [ ] Passed `make installcheck`
- [ ] Passed `make -C src/test installcheck-cbdb-parallel`
### Impact
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**Performance:**
<!-- Any performance implications? -->
**User-facing changes:**
<!-- Any changes visible to users? -->
**Dependencies:**
<!-- New dependencies or version changes? -->
### Checklist
- [ ] Followed [contribution
guide](https://cloudberry.apache.org/contribute/code)
- [ ] Added/updated documentation
- [ ] Reviewed code for security implications
- [ ] Requested review from [cloudberry
committers](https://github.com/orgs/apache/teams/cloudberry-committers)
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