From 5e45211a64149b3c659b90ff2de6fa982a5a93ed Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 4 May 2024 14:17:33 +0200 Subject: Adding upstream version 15.5. Signed-off-by: Daniel Baumann --- src/include/catalog/pg_partitioned_table.h | 74 ++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 src/include/catalog/pg_partitioned_table.h (limited to 'src/include/catalog/pg_partitioned_table.h') diff --git a/src/include/catalog/pg_partitioned_table.h b/src/include/catalog/pg_partitioned_table.h new file mode 100644 index 0000000..9b78f84 --- /dev/null +++ b/src/include/catalog/pg_partitioned_table.h @@ -0,0 +1,74 @@ +/*------------------------------------------------------------------------- + * + * pg_partitioned_table.h + * definition of the "partitioned table" system catalog + * (pg_partitioned_table) + * + * + * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group + * Portions Copyright (c) 1994, Regents of the University of California + * + * src/include/catalog/pg_partitioned_table.h + * + * NOTES + * The Catalog.pm module reads this file and derives schema + * information. + * + *------------------------------------------------------------------------- + */ +#ifndef PG_PARTITIONED_TABLE_H +#define PG_PARTITIONED_TABLE_H + +#include "catalog/genbki.h" +#include "catalog/pg_partitioned_table_d.h" + +/* ---------------- + * pg_partitioned_table definition. cpp turns this into + * typedef struct FormData_pg_partitioned_table + * ---------------- + */ +CATALOG(pg_partitioned_table,3350,PartitionedRelationId) +{ + Oid partrelid BKI_LOOKUP(pg_class); /* partitioned table oid */ + char partstrat; /* partitioning strategy */ + int16 partnatts; /* number of partition key columns */ + Oid partdefid BKI_LOOKUP_OPT(pg_class); /* default partition oid; + * 0 if there isn't one */ + + /* + * variable-length fields start here, but we allow direct access to + * partattrs via the C struct. That's because the first variable-length + * field of a heap tuple can be reliably accessed using its C struct + * offset, as previous fields are all non-nullable fixed-length fields. + */ + int2vector partattrs BKI_FORCE_NOT_NULL; /* each member of the array is + * the attribute number of a + * partition key column, or 0 + * if the column is actually + * an expression */ + +#ifdef CATALOG_VARLEN + oidvector partclass BKI_LOOKUP(pg_opclass) BKI_FORCE_NOT_NULL; /* operator class to + * compare keys */ + oidvector partcollation BKI_LOOKUP_OPT(pg_collation) BKI_FORCE_NOT_NULL; /* user-specified + * collation for keys */ + pg_node_tree partexprs; /* list of expressions in the partition key; + * one item for each zero entry in partattrs[] */ +#endif +} FormData_pg_partitioned_table; + +/* ---------------- + * Form_pg_partitioned_table corresponds to a pointer to a tuple with + * the format of pg_partitioned_table relation. + * ---------------- + */ +typedef FormData_pg_partitioned_table *Form_pg_partitioned_table; + +DECLARE_TOAST(pg_partitioned_table, 4165, 4166); + +DECLARE_UNIQUE_INDEX_PKEY(pg_partitioned_table_partrelid_index, 3351, PartitionedRelidIndexId, on pg_partitioned_table using btree(partrelid oid_ops)); + +/* partattrs can contain zero (InvalidAttrNumber) to represent expressions */ +DECLARE_ARRAY_FOREIGN_KEY_OPT((partrelid, partattrs), pg_attribute, (attrelid, attnum)); + +#endif /* PG_PARTITIONED_TABLE_H */ -- cgit v1.2.3