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Revert b6002a796

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This removes "Add Result Cache executor node".  It seems that something
weird is going on with the tracking of cache hits and misses as
highlighted by many buildfarm animals.  It's not yet clear what the
problem is as other parts of the plan indicate that the cache did work
correctly, it's just the hits and misses that were being reported as 0.

This is especially a bad time to have the buildfarm so broken, so
reverting before too many more animals go red.

Discussion: https://postgr.es/m/CAApHDvq_hydhfovm4=izgWs+C5HqEeRScjMbOgbpC-jRAeK3Yw@mail.gmail.com
This commit is contained in:
David Rowley
2021-04-01 13:33:23 +13:00
parent b6002a796d
commit 28b3e3905c
45 changed files with 196 additions and 2833 deletions
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22
src/backend/nodes/readfuncs.c
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@ -2211,26 +2211,6 @@ _readMaterial(void)
READ_DONE();
}
/*
* _readResultCache
*/
static ResultCache *
_readResultCache(void)
{
READ_LOCALS(ResultCache);
ReadCommonPlan(&local_node->plan);
READ_INT_FIELD(numKeys);
READ_OID_ARRAY(hashOperators, local_node->numKeys);
READ_OID_ARRAY(collations, local_node->numKeys);
READ_NODE_FIELD(param_exprs);
READ_BOOL_FIELD(singlerow);
READ_UINT_FIELD(est_entries);
READ_DONE();
}
/*
* ReadCommonSort
* Assign the basic stuff of all nodes that inherit from Sort
@ -2919,8 +2899,6 @@ parseNodeString(void)
return_value = _readHashJoin();
else if (MATCH("MATERIAL", 8))
return_value = _readMaterial();
else if (MATCH("RESULTCACHE", 11))
return_value = _readResultCache();
else if (MATCH("SORT", 4))
return_value = _readSort();
else if (MATCH("INCREMENTALSORT", 15))