| 1 | /*------------------------------------------------------------------------- |
| 2 | * |
| 3 | * partdesc.h |
| 4 | * |
| 5 | * Copyright (c) 1996-2019, PostgreSQL Global Development Group |
| 6 | * |
| 7 | * src/include/utils/partdesc.h |
| 8 | * |
| 9 | *------------------------------------------------------------------------- |
| 10 | */ |
| 11 | |
| 12 | #ifndef PARTDESC_H |
| 13 | #define PARTDESC_H |
| 14 | |
| 15 | #include "partitioning/partdefs.h" |
| 16 | #include "utils/relcache.h" |
| 17 | |
| 18 | /* |
| 19 | * Information about partitions of a partitioned table. |
| 20 | */ |
| 21 | typedef struct PartitionDescData |
| 22 | { |
| 23 | int nparts; /* Number of partitions */ |
| 24 | Oid *oids; /* Array of 'nparts' elements containing |
| 25 | * partition OIDs in order of the their bounds */ |
| 26 | bool *is_leaf; /* Array of 'nparts' elements storing whether |
| 27 | * the corresponding 'oids' element belongs to |
| 28 | * a leaf partition or not */ |
| 29 | PartitionBoundInfo boundinfo; /* collection of partition bounds */ |
| 30 | } PartitionDescData; |
| 31 | |
| 32 | extern void RelationBuildPartitionDesc(Relation rel); |
| 33 | |
| 34 | extern PartitionDirectory CreatePartitionDirectory(MemoryContext mcxt); |
| 35 | extern PartitionDesc PartitionDirectoryLookup(PartitionDirectory, Relation); |
| 36 | extern void DestroyPartitionDirectory(PartitionDirectory pdir); |
| 37 | |
| 38 | extern Oid get_default_oid_from_partdesc(PartitionDesc partdesc); |
| 39 | |
| 40 | extern bool equalPartitionDescs(PartitionKey key, PartitionDesc partdesc1, |
| 41 | PartitionDesc partdesc2); |
| 42 | |
| 43 | #endif /* PARTCACHE_H */ |
| 44 | |