mirror of https://github.com/citusdata/citus.git
65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
/*-------------------------------------------------------------------------
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*
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* pg_dist_object.h
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* definition of the system distributed objects relation (pg_dist_object).
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*
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* This table keeps metadata on all postgres objects that are distributed
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* to all the nodes in the network. Objects in this table should all be
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* present on all workers and kept in sync throughout their existance.
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* This also means that all nodes joining the network are assumed to
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* recreate all these objects.
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*
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* Copyright (c) Citus Data, Inc.
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef PG_DIST_OBJECT_H
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#define PG_DIST_OBJECT_H
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/* ----------------
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* pg_dist_object definition.
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* ----------------
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*/
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typedef struct FormData_pg_dist_object
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{
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Oid classid; /* class of the distributed object */
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Oid objid; /* object id of the distributed object */
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int32 objsubid; /* object sub id of the distributed object, eg. attnum */
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#ifdef CATALOG_VARLEN /* variable-length fields start here */
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text type;
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text[] object_names;
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text[] object_arguments;
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uint32 distribution_argument_index; /* only valid for distributed functions/procedures */
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uint32 colocationid; /* only valid for distributed functions/procedures */
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boolean forced_pushdown; /* only valid for distributed functions */
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#endif
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} FormData_pg_dist_object;
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/* ----------------
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* Form_pg_dist_partitions corresponds to a pointer to a tuple with
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* the format of pg_dist_partitions relation.
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* ----------------
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*/
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typedef FormData_pg_dist_object *Form_pg_dist_object;
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/* ----------------
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* compiler constants for pg_dist_object
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* ----------------
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*/
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#define Natts_pg_dist_object 9
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#define Anum_pg_dist_object_classid 1
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#define Anum_pg_dist_object_objid 2
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#define Anum_pg_dist_object_objsubid 3
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#define Anum_pg_dist_object_type 4
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#define Anum_pg_dist_object_object_names 5
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#define Anum_pg_dist_object_object_args 6
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#define Anum_pg_dist_object_distribution_argument_index 7
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#define Anum_pg_dist_object_colocationid 8
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#define Anum_pg_dist_object_force_delegation 9
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#endif /* PG_DIST_OBJECT_H */
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