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Diffstat (limited to 'src/include/catalog/pg_operator.h')
-rw-r--r-- | src/include/catalog/pg_operator.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/include/catalog/pg_operator.h b/src/include/catalog/pg_operator.h new file mode 100644 index 0000000..51263f5 --- /dev/null +++ b/src/include/catalog/pg_operator.h @@ -0,0 +1,107 @@ +/*------------------------------------------------------------------------- + * + * pg_operator.h + * definition of the "operator" system catalog (pg_operator) + * + * + * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group + * Portions Copyright (c) 1994, Regents of the University of California + * + * src/include/catalog/pg_operator.h + * + * NOTES + * The Catalog.pm module reads this file and derives schema + * information. + * + *------------------------------------------------------------------------- + */ +#ifndef PG_OPERATOR_H +#define PG_OPERATOR_H + +#include "catalog/genbki.h" +#include "catalog/objectaddress.h" +#include "catalog/pg_operator_d.h" +#include "nodes/pg_list.h" + +/* ---------------- + * pg_operator definition. cpp turns this into + * typedef struct FormData_pg_operator + * ---------------- + */ +CATALOG(pg_operator,2617,OperatorRelationId) +{ + Oid oid; /* oid */ + + /* name of operator */ + NameData oprname; + + /* OID of namespace containing this oper */ + Oid oprnamespace BKI_DEFAULT(pg_catalog) BKI_LOOKUP(pg_namespace); + + /* operator owner */ + Oid oprowner BKI_DEFAULT(POSTGRES) BKI_LOOKUP(pg_authid); + + /* 'l' for prefix or 'b' for infix */ + char oprkind BKI_DEFAULT(b); + + /* can be used in merge join? */ + bool oprcanmerge BKI_DEFAULT(f); + + /* can be used in hash join? */ + bool oprcanhash BKI_DEFAULT(f); + + /* left arg type, or 0 if prefix operator */ + Oid oprleft BKI_LOOKUP_OPT(pg_type); + + /* right arg type */ + Oid oprright BKI_LOOKUP(pg_type); + + /* result datatype; can be 0 in a "shell" operator */ + Oid oprresult BKI_LOOKUP_OPT(pg_type); + + /* OID of commutator oper, or 0 if none */ + Oid oprcom BKI_DEFAULT(0) BKI_LOOKUP_OPT(pg_operator); + + /* OID of negator oper, or 0 if none */ + Oid oprnegate BKI_DEFAULT(0) BKI_LOOKUP_OPT(pg_operator); + + /* OID of underlying function; can be 0 in a "shell" operator */ + regproc oprcode BKI_LOOKUP_OPT(pg_proc); + + /* OID of restriction estimator, or 0 */ + regproc oprrest BKI_DEFAULT(-) BKI_LOOKUP_OPT(pg_proc); + + /* OID of join estimator, or 0 */ + regproc oprjoin BKI_DEFAULT(-) BKI_LOOKUP_OPT(pg_proc); +} FormData_pg_operator; + +/* ---------------- + * Form_pg_operator corresponds to a pointer to a tuple with + * the format of pg_operator relation. + * ---------------- + */ +typedef FormData_pg_operator *Form_pg_operator; + +DECLARE_UNIQUE_INDEX_PKEY(pg_operator_oid_index, 2688, OperatorOidIndexId, on pg_operator using btree(oid oid_ops)); +DECLARE_UNIQUE_INDEX(pg_operator_oprname_l_r_n_index, 2689, OperatorNameNspIndexId, on pg_operator using btree(oprname name_ops, oprleft oid_ops, oprright oid_ops, oprnamespace oid_ops)); + + +extern ObjectAddress OperatorCreate(const char *operatorName, + Oid operatorNamespace, + Oid leftTypeId, + Oid rightTypeId, + Oid procedureId, + List *commutatorName, + List *negatorName, + Oid restrictionId, + Oid joinId, + bool canMerge, + bool canHash); + +extern ObjectAddress makeOperatorDependencies(HeapTuple tuple, + bool makeExtensionDep, + bool isUpdate); + +extern void OperatorUpd(Oid baseId, Oid commId, Oid negId, bool isDelete); + +#endif /* PG_OPERATOR_H */ |