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Fix ANALYZE crash with custom types #3745

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Oct 27, 2021
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2 changes: 2 additions & 0 deletions CHANGELOG.md
Original file line number Diff line number Diff line change
Expand Up @@ -16,12 +16,14 @@ accidentally triggering the load of a previous DB version.**
* #3708 Fix crash in get_aggsplit
* #3709 Fix ordered append pathkey check
* #3728 Fix SkipScan with varchar column
* #3733 Fix ANALYZE crash with custom statistics for custom types

**Thanks**
* @binakot and @sebvett for reporting an issue with DISTINCT queries
* @hardikm10, @DavidPavlicek and @pafiti for reporting bugs on TRUNCATE
* @mjf for reporting an issue with ordered append and JOINs
* @phemmer for reporting the issues on multinode with aggregate queries and evaluation of now()
* @tanglebones for reporting the ANALYZE crash with custom types on multinode

## 2.4.2 (2021-09-21)

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16 changes: 14 additions & 2 deletions tsl/src/chunk_api.c
Original file line number Diff line number Diff line change
Expand Up @@ -757,7 +757,14 @@ collect_colstat_slots(const HeapTuple tuple, const Form_pg_statistic formdata, D
slot_collation[i] = ObjectIdGetDatum(((Oid *) &formdata->stacoll1)[i]);

slotkind[i] = ObjectIdGetDatum(kind);
if (kind == InvalidOid)

/*
* As per comments in pg_statistic_d.h, "kind" codes from 0 - 99 are reserved
* for assignment by the core PostgreSQL project. Beyond that are for PostGIS
* and other projects
*/
#define PG_STATS_KINDS_MAX 99
if (kind == InvalidOid || kind > PG_STATS_KINDS_MAX)
{
nulls[numbers_idx] = true;
nulls[values_idx] = true;
Expand Down Expand Up @@ -1175,7 +1182,12 @@ chunk_process_remote_colstats_row(StatsProcessContext *ctx, TupleFactory *tf, Tu
value_arrays[i] = NULL;
valtype_oids[i] = InvalidOid;

if (slot_kinds[i] == InvalidOid)
/*
* As per comments in pg_statistic_d.h, "kind" codes from 0 - 99 are reserved
* for assignment by the core PostgreSQL project. Beyond that are for PostGIS
* and other projects
*/
if (slot_kinds[i] == InvalidOid || slot_kinds[i] > PG_STATS_KINDS_MAX)
continue;

for (k = 0; k < STRINGS_PER_OP_OID; ++k)
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