diff options
Diffstat (limited to 'src/include/catalog/pg_constraint.h')
| -rw-r--r-- | src/include/catalog/pg_constraint.h | 43 |
1 files changed, 27 insertions, 16 deletions
diff --git a/src/include/catalog/pg_constraint.h b/src/include/catalog/pg_constraint.h index 24454ef568..08305e68b6 100644 --- a/src/include/catalog/pg_constraint.h +++ b/src/include/catalog/pg_constraint.h @@ -8,7 +8,7 @@ * Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/catalog/pg_constraint.h,v 1.31 2009/07/16 06:33:45 petere Exp $ + * $PostgreSQL: pgsql/src/include/catalog/pg_constraint.h,v 1.32 2009/07/28 02:56:31 tgl Exp $ * * NOTES * the genbki.sh script reads this file and generates .bki @@ -63,6 +63,16 @@ CATALOG(pg_constraint,2606) Oid contypid; /* domain this constraint constrains */ /* + * conindid links to the index supporting the constraint, if any; + * otherwise it's 0. This is used for unique and primary-key constraints, + * and less obviously for foreign-key constraints (where the index is + * a unique index on the referenced relation's referenced columns). + * Notice that the index is on conrelid in the first case but confrelid + * in the second. + */ + Oid conindid; /* index supporting this constraint */ + + /* * These fields, plus confkey, are only meaningful for a foreign-key * constraint. Otherwise confrelid is 0 and the char fields are spaces. */ @@ -131,7 +141,7 @@ typedef FormData_pg_constraint *Form_pg_constraint; * compiler constants for pg_constraint * ---------------- */ -#define Natts_pg_constraint 20 +#define Natts_pg_constraint 21 #define Anum_pg_constraint_conname 1 #define Anum_pg_constraint_connamespace 2 #define Anum_pg_constraint_contype 3 @@ -139,19 +149,20 @@ typedef FormData_pg_constraint *Form_pg_constraint; #define Anum_pg_constraint_condeferred 5 #define Anum_pg_constraint_conrelid 6 #define Anum_pg_constraint_contypid 7 -#define Anum_pg_constraint_confrelid 8 -#define Anum_pg_constraint_confupdtype 9 -#define Anum_pg_constraint_confdeltype 10 -#define Anum_pg_constraint_confmatchtype 11 -#define Anum_pg_constraint_conislocal 12 -#define Anum_pg_constraint_coninhcount 13 -#define Anum_pg_constraint_conkey 14 -#define Anum_pg_constraint_confkey 15 -#define Anum_pg_constraint_conpfeqop 16 -#define Anum_pg_constraint_conppeqop 17 -#define Anum_pg_constraint_conffeqop 18 -#define Anum_pg_constraint_conbin 19 -#define Anum_pg_constraint_consrc 20 +#define Anum_pg_constraint_conindid 8 +#define Anum_pg_constraint_confrelid 9 +#define Anum_pg_constraint_confupdtype 10 +#define Anum_pg_constraint_confdeltype 11 +#define Anum_pg_constraint_confmatchtype 12 +#define Anum_pg_constraint_conislocal 13 +#define Anum_pg_constraint_coninhcount 14 +#define Anum_pg_constraint_conkey 15 +#define Anum_pg_constraint_confkey 16 +#define Anum_pg_constraint_conpfeqop 17 +#define Anum_pg_constraint_conppeqop 18 +#define Anum_pg_constraint_conffeqop 19 +#define Anum_pg_constraint_conbin 20 +#define Anum_pg_constraint_consrc 21 /* Valid values for contype */ @@ -188,6 +199,7 @@ extern Oid CreateConstraintEntry(const char *constraintName, const int16 *constraintKey, int constraintNKeys, Oid domainId, + Oid indexRelId, Oid foreignRelId, const int16 *foreignKey, const Oid *pfEqOp, @@ -197,7 +209,6 @@ extern Oid CreateConstraintEntry(const char *constraintName, char foreignUpdateType, char foreignDeleteType, char foreignMatchType, - Oid indexRelId, Node *conExpr, const char *conBin, const char *conSrc, |