diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/catalog/partition.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/backend/catalog/partition.c b/src/backend/catalog/partition.c index dd4a8d3c02d..ef156e449e5 100644 --- a/src/backend/catalog/partition.c +++ b/src/backend/catalog/partition.c @@ -72,6 +72,13 @@ * of datum-tuples with 2 datums, modulus and remainder, corresponding to a * given partition. * + * The datums in datums array are arranged in increasing order as defined by + * functions qsort_partition_rbound_cmp(), qsort_partition_list_value_cmp() and + * qsort_partition_hbound_cmp() for range, list and hash partitioned tables + * respectively. For range and list partitions this simply means that the + * datums in the datums array are arranged in increasing order as defined by + * the partition key's operator classes and collations. + * * In the case of list partitioning, the indexes array stores one entry for * every datum, which is the index of the partition that accepts a given datum. * In case of range partitioning, it stores one entry per distinct range |