database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-15 19:21:59 +03:00
Code Activity

pgindent run.

Browse Source
This commit is contained in:
Bruce Momjian
2003-08-04 00:43:34 +00:00
parent 63354a0228
commit 089003fb46
554 changed files with 24888 additions and 21245 deletions
Download Patch File Download Diff File Expand all files Collapse all files

193
src/backend/utils/adt/ri_triggers.c
View File

@ -17,7 +17,7 @@
*
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
*
* $Header: /cvsroot/pgsql/src/backend/utils/adt/ri_triggers.c,v 1.52 2003/07/22 22:14:57 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/ri_triggers.c,v 1.53 2003/08/04 00:43:25 momjian Exp $
*
* ----------
*/
@ -150,29 +150,29 @@ static bool ri_OneKeyEqual(Relation rel, int column, HeapTuple oldtup,
HeapTuple newtup, RI_QueryKey *key, int pairidx);
static bool ri_AttributesEqual(Oid typeid, Datum oldvalue, Datum newvalue);
static bool ri_Check_Pk_Match(Relation pk_rel, Relation fk_rel,
HeapTuple old_row,
Oid tgoid, int match_type,
int tgnargs, char **tgargs);
HeapTuple old_row,
Oid tgoid, int match_type,
int tgnargs, char **tgargs);
static void ri_InitHashTables(void);
static void *ri_FetchPreparedPlan(RI_QueryKey *key);
static void ri_HashPreparedPlan(RI_QueryKey *key, void *plan);
static void ri_CheckTrigger(FunctionCallInfo fcinfo, const char *funcname,
int tgkind);
int tgkind);
static void *ri_PlanCheck(const char *querystr, int nargs, Oid *argtypes,
RI_QueryKey *qkey, Relation fk_rel, Relation pk_rel,
bool cache_plan);
RI_QueryKey *qkey, Relation fk_rel, Relation pk_rel,
bool cache_plan);
static bool ri_PerformCheck(RI_QueryKey *qkey, void *qplan,
Relation fk_rel, Relation pk_rel,
HeapTuple old_tuple, HeapTuple new_tuple,
int expect_OK, const char *constrname);
Relation fk_rel, Relation pk_rel,
HeapTuple old_tuple, HeapTuple new_tuple,
int expect_OK, const char *constrname);
static void ri_ExtractValues(RI_QueryKey *qkey, int key_idx,
Relation rel, HeapTuple tuple,
Datum *vals, char *nulls);
Relation rel, HeapTuple tuple,
Datum *vals, char *nulls);
static void ri_ReportViolation(RI_QueryKey *qkey, const char *constrname,
Relation pk_rel, Relation fk_rel,
HeapTuple violator, bool spi_err);
Relation pk_rel, Relation fk_rel,
HeapTuple violator, bool spi_err);
/* ----------
@ -341,7 +341,7 @@ RI_FKey_check(PG_FUNCTION_ARGS)
ereport(ERROR,
(errcode(ERRCODE_FOREIGN_KEY_VIOLATION),
errmsg("insert or update on \"%s\" violates foreign key constraint \"%s\"",
RelationGetRelationName(trigdata->tg_relation),
RelationGetRelationName(trigdata->tg_relation),
tgargs[RI_CONSTRAINT_NAME_ARGNO]),
errdetail("MATCH FULL does not allow mixing of NULL and non-NULL key values.")));
heap_close(pk_rel, RowShareLock);
@ -366,7 +366,7 @@ RI_FKey_check(PG_FUNCTION_ARGS)
*/
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("MATCH PARTIAL not yet implemented")));
errmsg("MATCH PARTIAL not yet implemented")));
heap_close(pk_rel, RowShareLock);
return PointerGetDatum(NULL);
}
@ -381,8 +381,8 @@ RI_FKey_check(PG_FUNCTION_ARGS)
}
/*
* No need to check anything if old and new references are the
* same on UPDATE.
* No need to check anything if old and new references are the same on
* UPDATE.
*/
if (TRIGGER_FIRED_BY_UPDATE(trigdata->tg_event))
{
@ -542,7 +542,7 @@ ri_Check_Pk_Match(Relation pk_rel, Relation fk_rel,
*/
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("MATCH PARTIAL not yet implemented")));
errmsg("MATCH PARTIAL not yet implemented")));
break;
}
@ -759,7 +759,8 @@ RI_FKey_noaction_del(PG_FUNCTION_ARGS)
}
/*
* We have a plan now. Run it to check for existing references.
* We have a plan now. Run it to check for existing
* references.
*/
ri_PerformCheck(&qkey, qplan,
fk_rel, pk_rel,
@ -897,8 +898,8 @@ RI_FKey_noaction_upd(PG_FUNCTION_ARGS)
match_type, tgnargs, tgargs))
{
/*
* There's either another row, or no row could match this one. In
* either case, we don't need to do the check.
* There's either another row, or no row could match this
* one. In either case, we don't need to do the check.
*/
heap_close(fk_rel, RowShareLock);
return PointerGetDatum(NULL);
@ -950,7 +951,8 @@ RI_FKey_noaction_upd(PG_FUNCTION_ARGS)
}
/*
* We have a plan now. Run it to check for existing references.
* We have a plan now. Run it to check for existing
* references.
*/
ri_PerformCheck(&qkey, qplan,
fk_rel, pk_rel,
@ -1110,9 +1112,9 @@ RI_FKey_cascade_del(PG_FUNCTION_ARGS)
}
/*
* We have a plan now. Build up the arguments
* from the key values in the deleted PK tuple and delete the
* referencing rows
* We have a plan now. Build up the arguments from the key
* values in the deleted PK tuple and delete the referencing
* rows
*/
ri_PerformCheck(&qkey, qplan,
fk_rel, pk_rel,
@ -1296,7 +1298,8 @@ RI_FKey_cascade_upd(PG_FUNCTION_ARGS)
}
/*
* We have a plan now. Run it to update the existing references.
* We have a plan now. Run it to update the existing
* references.
*/
ri_PerformCheck(&qkey, qplan,
fk_rel, pk_rel,
@ -1465,7 +1468,8 @@ RI_FKey_restrict_del(PG_FUNCTION_ARGS)
}
/*
* We have a plan now. Run it to check for existing references.
* We have a plan now. Run it to check for existing
* references.
*/
ri_PerformCheck(&qkey, qplan,
fk_rel, pk_rel,
@ -1646,7 +1650,8 @@ RI_FKey_restrict_upd(PG_FUNCTION_ARGS)
}
/*
* We have a plan now. Run it to check for existing references.
* We have a plan now. Run it to check for existing
* references.
*/
ri_PerformCheck(&qkey, qplan,
fk_rel, pk_rel,
@ -1816,7 +1821,8 @@ RI_FKey_setnull_del(PG_FUNCTION_ARGS)
}
/*
* We have a plan now. Run it to check for existing references.
* We have a plan now. Run it to check for existing
* references.
*/
ri_PerformCheck(&qkey, qplan,
fk_rel, pk_rel,
@ -2034,7 +2040,8 @@ RI_FKey_setnull_upd(PG_FUNCTION_ARGS)
}
/*
* We have a plan now. Run it to update the existing references.
* We have a plan now. Run it to update the existing
* references.
*/
ri_PerformCheck(&qkey, qplan,
fk_rel, pk_rel,
@ -2209,14 +2216,14 @@ RI_FKey_setdefault_del(PG_FUNCTION_ARGS)
* appropriate column defaults, if any (if not, they stay
* NULL).
*
* XXX This is really ugly; it'd be better to use "UPDATE
* XXX This is really ugly; it'd be better to use "UPDATE
* SET foo = DEFAULT", if we had it.
*/
spi_plan = (Plan *) lfirst(((_SPI_plan *) qplan)->ptlist);
foreach(l, spi_plan->targetlist)
{
TargetEntry *tle = (TargetEntry *) lfirst(l);
Node *dfl;
Node *dfl;
/* Ignore any junk columns or Var=Var columns */
if (tle->resdom->resjunk)
@ -2234,7 +2241,8 @@ RI_FKey_setdefault_del(PG_FUNCTION_ARGS)
}
/*
* We have a plan now. Run it to update the existing references.
* We have a plan now. Run it to update the existing
* references.
*/
ri_PerformCheck(&qkey, qplan,
fk_rel, pk_rel,
@ -2444,14 +2452,14 @@ RI_FKey_setdefault_upd(PG_FUNCTION_ARGS)
* appropriate column defaults, if any (if not, they stay
* NULL).
*
* XXX This is really ugly; it'd be better to use "UPDATE
* XXX This is really ugly; it'd be better to use "UPDATE
* SET foo = DEFAULT", if we had it.
*/
spi_plan = (Plan *) lfirst(((_SPI_plan *) qplan)->ptlist);
foreach(l, spi_plan->targetlist)
{
TargetEntry *tle = (TargetEntry *) lfirst(l);
Node *dfl;
Node *dfl;
/* Ignore any junk columns or Var=Var columns */
if (tle->resdom->resjunk)
@ -2469,7 +2477,8 @@ RI_FKey_setdefault_upd(PG_FUNCTION_ARGS)
}
/*
* We have a plan now. Run it to update the existing references.
* We have a plan now. Run it to update the existing
* references.
*/
ri_PerformCheck(&qkey, qplan,
fk_rel, pk_rel,
@ -2542,8 +2551,8 @@ RI_FKey_keyequal_upd(TriggerData *trigdata)
(tgnargs % 2) != 0)
ereport(ERROR,
(errcode(ERRCODE_E_R_I_E_TRIGGER_PROTOCOL_VIOLATED),
errmsg("%s() called with wrong number of trigger arguments",
"RI_FKey_keyequal_upd")));
errmsg("%s() called with wrong number of trigger arguments",
"RI_FKey_keyequal_upd")));
/*
* Nothing to do if no column names to compare given
@ -2560,9 +2569,9 @@ RI_FKey_keyequal_upd(TriggerData *trigdata)
if (!OidIsValid(trigdata->tg_trigger->tgconstrrelid))
ereport(ERROR,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
errmsg("no target table given for trigger \"%s\" on \"%s\"",
trigdata->tg_trigger->tgname,
RelationGetRelationName(trigdata->tg_relation)),
errmsg("no target table given for trigger \"%s\" on \"%s\"",
trigdata->tg_trigger->tgname,
RelationGetRelationName(trigdata->tg_relation)),
errhint("Remove this RI trigger and its mates, then do ALTER TABLE ADD CONSTRAINT.")));
fk_rel = heap_open(trigdata->tg_trigger->tgconstrrelid, AccessShareLock);
@ -2750,7 +2759,7 @@ ri_CheckTrigger(FunctionCallInfo fcinfo, const char *funcname, int tgkind)
if (!CALLED_AS_TRIGGER(fcinfo))
ereport(ERROR,
(errcode(ERRCODE_E_R_I_E_TRIGGER_PROTOCOL_VIOLATED),
errmsg("%s() was not fired by trigger manager", funcname)));
errmsg("%s() was not fired by trigger manager", funcname)));
/*
* Check proper event
@ -2766,28 +2775,28 @@ ri_CheckTrigger(FunctionCallInfo fcinfo, const char *funcname, int tgkind)
case RI_TRIGTYPE_INSERT:
if (!TRIGGER_FIRED_BY_INSERT(trigdata->tg_event))
ereport(ERROR,
(errcode(ERRCODE_E_R_I_E_TRIGGER_PROTOCOL_VIOLATED),
errmsg("%s() must be fired for INSERT", funcname)));
(errcode(ERRCODE_E_R_I_E_TRIGGER_PROTOCOL_VIOLATED),
errmsg("%s() must be fired for INSERT", funcname)));
break;
case RI_TRIGTYPE_UPDATE:
if (!TRIGGER_FIRED_BY_UPDATE(trigdata->tg_event))
ereport(ERROR,
(errcode(ERRCODE_E_R_I_E_TRIGGER_PROTOCOL_VIOLATED),
errmsg("%s() must be fired for UPDATE", funcname)));
(errcode(ERRCODE_E_R_I_E_TRIGGER_PROTOCOL_VIOLATED),
errmsg("%s() must be fired for UPDATE", funcname)));
break;
case RI_TRIGTYPE_INUP:
if (!TRIGGER_FIRED_BY_INSERT(trigdata->tg_event) &&
!TRIGGER_FIRED_BY_UPDATE(trigdata->tg_event))
ereport(ERROR,
(errcode(ERRCODE_E_R_I_E_TRIGGER_PROTOCOL_VIOLATED),
errmsg("%s() must be fired for INSERT or UPDATE",
funcname)));
(errcode(ERRCODE_E_R_I_E_TRIGGER_PROTOCOL_VIOLATED),
errmsg("%s() must be fired for INSERT or UPDATE",
funcname)));
break;
case RI_TRIGTYPE_DELETE:
if (!TRIGGER_FIRED_BY_DELETE(trigdata->tg_event))
ereport(ERROR,
(errcode(ERRCODE_E_R_I_E_TRIGGER_PROTOCOL_VIOLATED),
errmsg("%s() must be fired for DELETE", funcname)));
(errcode(ERRCODE_E_R_I_E_TRIGGER_PROTOCOL_VIOLATED),
errmsg("%s() must be fired for DELETE", funcname)));
break;
}
@ -2800,19 +2809,19 @@ ri_CheckTrigger(FunctionCallInfo fcinfo, const char *funcname, int tgkind)
(tgnargs % 2) != 0)
ereport(ERROR,
(errcode(ERRCODE_E_R_I_E_TRIGGER_PROTOCOL_VIOLATED),
errmsg("%s() called with wrong number of trigger arguments",
funcname)));
errmsg("%s() called with wrong number of trigger arguments",
funcname)));
/*
* Check that tgconstrrelid is known. We need to check here because of
* ancient pg_dump bug; see notes in CreateTrigger().
* Check that tgconstrrelid is known. We need to check here because
* of ancient pg_dump bug; see notes in CreateTrigger().
*/
if (!OidIsValid(trigdata->tg_trigger->tgconstrrelid))
ereport(ERROR,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
errmsg("no target table given for trigger \"%s\" on \"%s\"",
trigdata->tg_trigger->tgname,
RelationGetRelationName(trigdata->tg_relation)),
errmsg("no target table given for trigger \"%s\" on \"%s\"",
trigdata->tg_trigger->tgname,
RelationGetRelationName(trigdata->tg_relation)),
errhint("Remove this RI trigger and its mates, then do ALTER TABLE ADD CONSTRAINT.")));
}
@ -2833,9 +2842,9 @@ ri_PlanCheck(const char *querystr, int nargs, Oid *argtypes,
AclId save_uid;
/*
* The query is always run against the FK table except
* when this is an update/insert trigger on the FK table itself -
* either RI_PLAN_CHECK_LOOKUPPK or RI_PLAN_CHECK_LOOKUPPK_NOCOLS
* The query is always run against the FK table except when this is an
* update/insert trigger on the FK table itself - either
* RI_PLAN_CHECK_LOOKUPPK or RI_PLAN_CHECK_LOOKUPPK_NOCOLS
*/
if (qkey->constr_queryno == RI_PLAN_CHECK_LOOKUPPK ||
qkey->constr_queryno == RI_PLAN_CHECK_LOOKUPPK_NOCOLS)
@ -2882,9 +2891,9 @@ ri_PerformCheck(RI_QueryKey *qkey, void *qplan,
char nulls[RI_MAX_NUMKEYS * 2];
/*
* The query is always run against the FK table except
* when this is an update/insert trigger on the FK table itself -
* either RI_PLAN_CHECK_LOOKUPPK or RI_PLAN_CHECK_LOOKUPPK_NOCOLS
* The query is always run against the FK table except when this is an
* update/insert trigger on the FK table itself - either
* RI_PLAN_CHECK_LOOKUPPK or RI_PLAN_CHECK_LOOKUPPK_NOCOLS
*/
if (qkey->constr_queryno == RI_PLAN_CHECK_LOOKUPPK ||
qkey->constr_queryno == RI_PLAN_CHECK_LOOKUPPK_NOCOLS)
@ -2893,10 +2902,10 @@ ri_PerformCheck(RI_QueryKey *qkey, void *qplan,
query_rel = fk_rel;
/*
* The values for the query are taken from the table on which the trigger
* is called - it is normally the other one with respect to query_rel.
* An exception is ri_Check_Pk_Match(), which uses the PK table for both
* (the case when constrname == NULL)
* The values for the query are taken from the table on which the
* trigger is called - it is normally the other one with respect to
* query_rel. An exception is ri_Check_Pk_Match(), which uses the PK
* table for both (the case when constrname == NULL)
*/
if (qkey->constr_queryno == RI_PLAN_CHECK_LOOKUPPK && constrname != NULL)
{
@ -2916,7 +2925,7 @@ ri_PerformCheck(RI_QueryKey *qkey, void *qplan,
vals, nulls);
if (old_tuple)
ri_ExtractValues(qkey, key_idx, source_rel, old_tuple,
vals + qkey->nkeypairs, nulls + qkey->nkeypairs);
vals + qkey->nkeypairs, nulls + qkey->nkeypairs);
}
else
{
@ -2930,9 +2939,9 @@ ri_PerformCheck(RI_QueryKey *qkey, void *qplan,
/*
* If this is a select query (e.g., for a 'no action' or 'restrict'
* trigger), we only need to see if there is a single row in the table,
* matching the key. Otherwise, limit = 0 - because we want the query to
* affect ALL the matching rows.
* trigger), we only need to see if there is a single row in the
* table, matching the key. Otherwise, limit = 0 - because we want
* the query to affect ALL the matching rows.
*/
limit = (expect_OK == SPI_OK_SELECT) ? 1 : 0;
@ -2954,7 +2963,7 @@ ri_PerformCheck(RI_QueryKey *qkey, void *qplan,
/* XXX wouldn't it be clearer to do this part at the caller? */
if (constrname && expect_OK == SPI_OK_SELECT &&
(SPI_processed==0) == (qkey->constr_queryno==RI_PLAN_CHECK_LOOKUPPK))
(SPI_processed == 0) == (qkey->constr_queryno == RI_PLAN_CHECK_LOOKUPPK))
ri_ReportViolation(qkey, constrname,
pk_rel, fk_rel,
new_tuple ? new_tuple : old_tuple,
@ -3049,9 +3058,9 @@ ri_ReportViolation(RI_QueryKey *qkey, const char *constrname,
/* Get printable versions of the keys involved */
for (idx = 0; idx < qkey->nkeypairs; idx++)
{
int fnum = qkey->keypair[idx][key_idx];
char *name,
*val;
int fnum = qkey->keypair[idx][key_idx];
char *name,
*val;
name = SPI_fname(rel->rd_att, fnum);
val = SPI_getvalue(violator, rel->rd_att, fnum);
@ -3075,22 +3084,22 @@ ri_ReportViolation(RI_QueryKey *qkey, const char *constrname,
}
if (onfk)
ereport(ERROR,
(errcode(ERRCODE_FOREIGN_KEY_VIOLATION),
errmsg("insert or update on \"%s\" violates foreign key constraint \"%s\"",
RelationGetRelationName(fk_rel), constrname),
errdetail("Key (%s)=(%s) is not present in \"%s\".",
key_names, key_values,
RelationGetRelationName(pk_rel))));
ereport(ERROR,
(errcode(ERRCODE_FOREIGN_KEY_VIOLATION),
errmsg("insert or update on \"%s\" violates foreign key constraint \"%s\"",
RelationGetRelationName(fk_rel), constrname),
errdetail("Key (%s)=(%s) is not present in \"%s\".",
key_names, key_values,
RelationGetRelationName(pk_rel))));
else
ereport(ERROR,
(errcode(ERRCODE_FOREIGN_KEY_VIOLATION),
errmsg("update or delete on \"%s\" violates foreign key constraint \"%s\" on \"%s\"",
RelationGetRelationName(pk_rel),
constrname, RelationGetRelationName(fk_rel)),
errdetail("Key (%s)=(%s) is still referenced from \"%s\".",
key_names, key_values,
RelationGetRelationName(fk_rel))));
ereport(ERROR,
(errcode(ERRCODE_FOREIGN_KEY_VIOLATION),
errmsg("update or delete on \"%s\" violates foreign key constraint \"%s\" on \"%s\"",
RelationGetRelationName(pk_rel),
constrname, RelationGetRelationName(fk_rel)),
errdetail("Key (%s)=(%s) is still referenced from \"%s\".",
key_names, key_values,
RelationGetRelationName(fk_rel))));
}
/* ----------