/*------------------------------------------------------------------------- * * distribution_column_map.h * Declarations for a relation OID to distribution column hash. * * Copyright (c) Citus Data, Inc. * *------------------------------------------------------------------------- */ #ifndef DISTRIBUTION_COLUMN_HASH_H #define DISTRIBUTION_COLUMN_HASH_H #include "postgres.h" #include "nodes/primnodes.h" #include "utils/hsearch.h" typedef HTAB DistributionColumnMap; extern DistributionColumnMap * CreateDistributionColumnMap(void); extern void AddDistributionColumnForRelation(DistributionColumnMap *distributionColumns, Oid relationId, char *distributionColumnName); extern Var * GetDistributionColumnFromMap(DistributionColumnMap *distributionColumnMap, Oid relationId); extern Var * GetDistributionColumnWithOverrides(Oid relationId, DistributionColumnMap *overrides); #endif /* DISTRIBUTION_COLUMN_HASH_H */