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Set table size to zero if no size is read (#5049) (#5056) 

* Set table size to zero if no size is read

* Add comment to relation size bug fix

(cherry picked from commit 5115100db0)
pull/5098/head
Ahmet Gedemenli 2021-06-21 14:36:13 +03:00 committed by GitHub
parent f8e06fb1ed
commit 4a904e070d
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1 changed files with 13 additions and 1 deletions
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12
src/backend/distributed/metadata/metadata_utility.c
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@ -644,7 +644,19 @@ DistributedTableSizeOnWorker(WorkerNode *workerNode, Oid relationId,
StringInfo tableSizeStringInfo = (StringInfo) linitial(sizeList);
char *tableSizeString = tableSizeStringInfo->data;
if (strlen(tableSizeString) > 0)
{
*tableSize = SafeStringToUint64(tableSizeString);
}
else
{
/*
* This means the shard is moved or dropped while citus_total_relation_size is
* being executed. For this case we get an empty string as table size.
* We can take that as zero to prevent any unnecessary errors.
*/
*tableSize = 0;
}
PQclear(result);
ClearResults(connection, failOnError);