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Upgrading from Citus 4.0 to the extension #2

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ozgune opened this issue Feb 1, 2016 · 2 comments
Closed

Upgrading from Citus 4.0 to the extension #2

ozgune opened this issue Feb 1, 2016 · 2 comments
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@ozgune
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ozgune commented Feb 1, 2016

We currently document between Citus versions here: https://www.citusdata.com/documentation/citusdb-documentation/admin_guide/upgrading_citusdb.html

We should revise these steps and test for the upgrade from 4.0 to the new extension.

@samay-sharma
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@mtuncer opened an PR on the documentation repository to address this.

Just wanted to mention it here to ensure that it is tracked.

@anarazel
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@jasonmp85 Uh, not sure why this just got the needs-review label, and was assigned to me?

DimCitus pushed a commit that referenced this issue Jan 10, 2018
serprex added a commit that referenced this issue Nov 27, 2019
# This is the 1st commit message:

Implement support for RECORD[] where we support RECORD

# This is the commit message #2:

Add support for OpExpr, NullIfExpr, & FuncExpr or OpExpr with ANYELEMENT return type

# This is the commit message #3:

Add some failing test cases
thanodnl pushed a commit that referenced this issue Nov 5, 2020
naisila added a commit that referenced this issue Aug 5, 2022
Relevant PG commit:
a8d8445a7b2f80f6d0bfe97b19f90bd2cbef8759
gurkanindibay added a commit that referenced this issue May 28, 2024
DESCRIPTION: Adds null check for node in HasRangeTableRef to prevent
errors

When executing the query below, users encountered an error due to a null
Node object. This PR adds a null check to handle this error.

Query:
```sql
select
    ct.conname as constraint_name,
    a.attname as column_name,
    fc.relname as foreign_table_name,
    fns.nspname as foreign_table_schema,
    fa.attname as foreign_column_name
from
    (SELECT ct.conname, ct.conrelid, ct.confrelid, ct.conkey, ct.contype,
ct.confkey, generate_subscripts(ct.conkey, 1) AS s
       FROM pg_constraint ct
    ) AS ct
    inner join pg_class c on c.oid=ct.conrelid
    inner join pg_namespace ns on c.relnamespace=ns.oid
    inner join pg_attribute a on a.attrelid=ct.conrelid and a.attnum =
ct.conkey[ct.s]
    left join pg_class fc on fc.oid=ct.confrelid
    left join pg_namespace fns on fc.relnamespace=fns.oid
    left join pg_attribute fa on fa.attrelid=ct.confrelid and fa.attnum =
ct.confkey[ct.s]
where
    ct.contype='f'
    and c.relname='table1'
    and ns.nspname='schemauser'
order by
    fns.nspname, fc.relname, a.attnum
;
```

Error:
```
#0  HasRangeTableRef (node=0x0, varno=varno@entry=0x7ffe18cc3674) at worker/worker_shard_visibility.c:507
507             if (IsA(node, RangeTblRef))
#0  HasRangeTableRef (node=0x0, varno=varno@entry=0x7ffe18cc3674) at worker/worker_shard_visibility.c:507
#1  0x0000561b0aae390e in expression_tree_walker_impl (node=0x561b0d19cc78, walker=walker@entry=0x7f2a73249f0a <HasRangeTableRef>, context=0x7ffe18cc3674)
    at nodeFuncs.c:2091
#2  0x00007f2a73249f26 in HasRangeTableRef (node=<optimized out>, varno=<optimized out>) at worker/worker_shard_visibility.c:513
#3  0x0000561b0aae3e09 in expression_tree_walker_impl (node=0x561b0d19cd68, walker=walker@entry=0x7f2a73249f0a <HasRangeTableRef>, context=context@entry=0x7ffe18cc3674)
    at nodeFuncs.c:2405
#4  0x0000561b0aae3945 in expression_tree_walker_impl (node=0x561b0d19d0f8, walker=walker@entry=0x7f2a73249f0a <HasRangeTableRef>, context=0x7ffe18cc3674)
    at nodeFuncs.c:2111
#5  0x00007f2a73249f26 in HasRangeTableRef (node=<optimized out>, varno=<optimized out>) at worker/worker_shard_visibility.c:513
#6  0x0000561b0aae3e09 in expression_tree_walker_impl (node=0x561b0d19cb38, walker=walker@entry=0x7f2a73249f0a <HasRangeTableRef>, context=context@entry=0x7ffe18cc3674)
    at nodeFuncs.c:2405
#7  0x0000561b0aae396d in expression_tree_walker_impl (node=0x561b0d19d198, walker=walker@entry=0x7f2a73249f0a <HasRangeTableRef>, context=0x7ffe18cc3674)
    at nodeFuncs.c:2127
#8  0x00007f2a73249f26 in HasRangeTableRef (node=<optimized out>, varno=<optimized out>) at worker/worker_shard_visibility.c:513
#9  0x0000561b0aae3ef7 in expression_tree_walker_impl (node=0x561b0d183e88, walker=walker@entry=0x7f2a73249f0a <HasRangeTableRef>, context=0x7ffe18cc3674)
    at nodeFuncs.c:2464
#10 0x00007f2a73249f26 in HasRangeTableRef (node=<optimized out>, varno=<optimized out>) at worker/worker_shard_visibility.c:513
#11 0x0000561b0aae3ed3 in expression_tree_walker_impl (node=0x561b0d184278, walker=walker@entry=0x7f2a73249f0a <HasRangeTableRef>, context=0x7ffe18cc3674)
    at nodeFuncs.c:2460
#12 0x00007f2a73249f26 in HasRangeTableRef (node=<optimized out>, varno=<optimized out>) at worker/worker_shard_visibility.c:513
#13 0x0000561b0aae3ed3 in expression_tree_walker_impl (node=0x561b0d184668, walker=walker@entry=0x7f2a73249f0a <HasRangeTableRef>, context=0x7ffe18cc3674)
    at nodeFuncs.c:2460
#14 0x00007f2a73249f26 in HasRangeTableRef (node=<optimized out>, varno=<optimized out>) at worker/worker_shard_visibility.c:513
#15 0x0000561b0aae3ed3 in expression_tree_walker_impl (node=0x561b0d184f68, walker=walker@entry=0x7f2a73249f0a <HasRangeTableRef>, context=0x7ffe18cc3674)
    at nodeFuncs.c:2460
#16 0x00007f2a73249f26 in HasRangeTableRef (node=<optimized out>, varno=<optimized out>) at worker/worker_shard_visibility.c:513
#17 0x0000561b0aae3e09 in expression_tree_walker_impl (node=0x7f2a68010148, walker=walker@entry=0x7f2a73249f0a <HasRangeTableRef>, context=context@entry=0x7ffe18cc3674)
    at nodeFuncs.c:2405
#18 0x00007f2a7324a0eb in FilterShardsFromPgclass (node=node@entry=0x561b0d185de8, context=context@entry=0x0) at worker/worker_shard_visibility.c:464
#19 0x00007f2a7324a5ff in HideShardsFromSomeApplications (query=query@entry=0x561b0d185de8) at worker/worker_shard_visibility.c:294
#20 0x00007f2a731ed7ac in distributed_planner (parse=0x561b0d185de8, 
    query_string=0x561b0d009478 "select\n    ct.conname as constraint_name,\n    a.attname as column_name,\n    fc.relname as foreign_table_name,\n    fns.nspname as foreign_table_schema,\n    fa.attname as foreign_column_name\nfrom\n    (S"..., cursorOptions=<optimized out>, boundParams=0x0) at planner/distributed_planner.c:237
#21 0x00007f2a7311a52a in pgss_planner (parse=0x561b0d185de8, 
    query_string=0x561b0d009478 "select\n    ct.conname as constraint_name,\n    a.attname as column_name,\n    fc.relname as foreign_table_name,\n    fns.nspname as foreign_table_schema,\n    fa.attname as foreign_column_name\nfrom\n    (S"..., cursorOptions=2048, boundParams=0x0) at pg_stat_statements.c:953
#22 0x0000561b0ab65465 in planner (parse=parse@entry=0x561b0d185de8, 
    query_string=query_string@entry=0x561b0d009478 "select\n    ct.conname as constraint_name,\n    a.attname as column_name,\n    fc.relname as foreign_table_name,\n    fns.nspname as foreign_table_schema,\n    fa.attname as foreign_column_name\nfrom\n    (S"..., cursorOptions=cursorOptions@entry=2048, boundParams=boundParams@entry=0x0)
    at planner.c:279
#23 0x0000561b0ac53aa3 in pg_plan_query (querytree=querytree@entry=0x561b0d185de8, 
    query_string=query_string@entry=0x561b0d009478 "select\n    ct.conname as constraint_name,\n    a.attname as column_name,\n    fc.relname as foreign_table_name,\n    fns.nspname as foreign_table_schema,\n    fa.attname as foreign_column_name\nfrom\n    (S"..., cursorOptions=cursorOptions@entry=2048, boundParams=boundParams@entry=0x0)
    at postgres.c:904
#24 0x0000561b0ac53b71 in pg_plan_queries (querytrees=0x7f2a68012878, 
    query_string=query_string@entry=0x561b0d009478 "select\n    ct.conname as constraint_name,\n    a.attname as column_name,\n    fc.relname as foreign_table_name,\n    fns.nspname as foreign_table_schema,\n    fa.attname as foreign_column_name\nfrom\n    (S"..., cursorOptions=cursorOptions@entry=2048, boundParams=boundParams@entry=0x0)
    at postgres.c:996
#25 0x0000561b0ac5408e in exec_simple_query (
    query_string=query_string@entry=0x561b0d009478 "select\n    ct.conname as constraint_name,\n    a.attname as column_name,\n    fc.relname as foreign_table_name,\n    fns.nspname as foreign_table_schema,\n    fa.attname as foreign_column_name\nfrom\n    (S"...) at postgres.c:1193
#26 0x0000561b0ac56116 in PostgresMain (dbname=<optimized out>, username=<optimized out>) at postgres.c:4637
#27 0x0000561b0abab7a7 in BackendRun (port=port@entry=0x561b0d0caf50) at postmaster.c:4464
#28 0x0000561b0abae969 in BackendStartup (port=port@entry=0x561b0d0caf50) at postmaster.c:4192
#29 0x0000561b0abaeaa6 in ServerLoop () at postmaster.c:1782
```


Fixes #7603
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