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Postgres FD Implementation
Commit 554ebf68 authored by Peter Eisentraut's avatar Peter Eisentraut
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Compact for loops 

Declare loop variable in for loop, for readability and to save space.
Reviewed-by: default avatarCorey Huinker <corey.huinker@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/0ccdd3e1-10b0-dd05-d8a7-183507c11eb1%402ndquadrant.com
parent 05d60471
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Inline Side-by-side
Showing with 17 additions and 30 deletions
src/backend/utils/adt/ri_triggers.c
View file @ 554ebf68
......@@ -238,7 +238,6 @@ RI_FKey_check(TriggerData *trigdata)
TupleTableSlot *newslot;
RI_QueryKey qkey;
SPIPlanPtr qplan;
int i;
riinfo = ri_FetchConstraintInfo(trigdata->tg_trigger,
trigdata->tg_relation, false);
......@@ -379,7 +378,7 @@ RI_FKey_check(TriggerData *trigdata)
quoteRelationName(pkrelname, pk_rel);
appendStringInfo(&querybuf, "SELECT 1 FROM ONLY %s x", pkrelname);
querysep = "WHERE";
for (i = 0; i < riinfo->nkeys; i++)
for (int i = 0; i < riinfo->nkeys; i++)
{
Oid pk_type = RIAttType(pk_rel, riinfo->pk_attnums[i]);
Oid fk_type = RIAttType(fk_rel, riinfo->fk_attnums[i]);
......@@ -468,7 +467,6 @@ ri_Check_Pk_Match(Relation pk_rel, Relation fk_rel,
{
SPIPlanPtr qplan;
RI_QueryKey qkey;
int i;
bool result;
/* Only called for non-null rows */
......@@ -504,7 +502,7 @@ ri_Check_Pk_Match(Relation pk_rel, Relation fk_rel,
quoteRelationName(pkrelname, pk_rel);
appendStringInfo(&querybuf, "SELECT 1 FROM ONLY %s x", pkrelname);
querysep = "WHERE";
for (i = 0; i < riinfo->nkeys; i++)
for (int i = 0; i < riinfo->nkeys; i++)
{
Oid pk_type = RIAttType(pk_rel, riinfo->pk_attnums[i]);
......@@ -675,7 +673,6 @@ ri_restrict(TriggerData *trigdata, bool is_no_action)
const char *querysep;
Oid queryoids[RI_MAX_NUMKEYS];
const char *fk_only;
int i;
/* ----------
* The query string built is
......@@ -692,7 +689,7 @@ ri_restrict(TriggerData *trigdata, bool is_no_action)
appendStringInfo(&querybuf, "SELECT 1 FROM %s%s x",
fk_only, fkrelname);
querysep = "WHERE";
for (i = 0; i < riinfo->nkeys; i++)
for (int i = 0; i < riinfo->nkeys; i++)
{
Oid pk_type = RIAttType(pk_rel, riinfo->pk_attnums[i]);
Oid fk_type = RIAttType(fk_rel, riinfo->fk_attnums[i]);
......@@ -747,7 +744,6 @@ RI_FKey_cascade_del(PG_FUNCTION_ARGS)
TupleTableSlot *old_slot;
RI_QueryKey qkey;
SPIPlanPtr qplan;
int i;
/* Check that this is a valid trigger call on the right time and event. */
ri_CheckTrigger(fcinfo, "RI_FKey_cascade_del", RI_TRIGTYPE_DELETE);
......@@ -795,7 +791,7 @@ RI_FKey_cascade_del(PG_FUNCTION_ARGS)
appendStringInfo(&querybuf, "DELETE FROM %s%s",
fk_only, fkrelname);
querysep = "WHERE";
for (i = 0; i < riinfo->nkeys; i++)
for (int i = 0; i < riinfo->nkeys; i++)
{
Oid pk_type = RIAttType(pk_rel, riinfo->pk_attnums[i]);
Oid fk_type = RIAttType(fk_rel, riinfo->fk_attnums[i]);
......@@ -851,8 +847,6 @@ RI_FKey_cascade_upd(PG_FUNCTION_ARGS)
TupleTableSlot *old_slot;
RI_QueryKey qkey;
SPIPlanPtr qplan;
int i;
int j;
/* Check that this is a valid trigger call on the right time and event. */
ri_CheckTrigger(fcinfo, "RI_FKey_cascade_upd", RI_TRIGTYPE_UPDATE);
......@@ -909,7 +903,7 @@ RI_FKey_cascade_upd(PG_FUNCTION_ARGS)
fk_only, fkrelname);
querysep = "";
qualsep = "WHERE";
for (i = 0, j = riinfo->nkeys; i < riinfo->nkeys; i++, j++)
for (int i = 0, j = riinfo->nkeys; i < riinfo->nkeys; i++, j++)
{
Oid pk_type = RIAttType(pk_rel, riinfo->pk_attnums[i]);
Oid fk_type = RIAttType(fk_rel, riinfo->fk_attnums[i]);
......@@ -998,7 +992,6 @@ ri_setnull(TriggerData *trigdata)
TupleTableSlot *old_slot;
RI_QueryKey qkey;
SPIPlanPtr qplan;
int i;
riinfo = ri_FetchConstraintInfo(trigdata->tg_trigger,
trigdata->tg_relation, true);
......@@ -1051,7 +1044,7 @@ ri_setnull(TriggerData *trigdata)
fk_only, fkrelname);
querysep = "";
qualsep = "WHERE";
for (i = 0; i < riinfo->nkeys; i++)
for (int i = 0; i < riinfo->nkeys; i++)
{
Oid pk_type = RIAttType(pk_rel, riinfo->pk_attnums[i]);
Oid fk_type = RIAttType(fk_rel, riinfo->fk_attnums[i]);
......@@ -1173,7 +1166,6 @@ ri_setdefault(TriggerData *trigdata)
const char *qualsep;
Oid queryoids[RI_MAX_NUMKEYS];
const char *fk_only;
int i;
/* ----------
* The query string built is
......@@ -1192,7 +1184,7 @@ ri_setdefault(TriggerData *trigdata)
fk_only, fkrelname);
querysep = "";
qualsep = "WHERE";
for (i = 0; i < riinfo->nkeys; i++)
for (int i = 0; i < riinfo->nkeys; i++)
{
Oid pk_type = RIAttType(pk_rel, riinfo->pk_attnums[i]);
Oid fk_type = RIAttType(fk_rel, riinfo->fk_attnums[i]);
......@@ -1402,7 +1394,6 @@ RI_Initial_Check(Trigger *trigger, Relation fk_rel, Relation pk_rel)
RangeTblEntry *fkrte;
const char *sep;
const char *fk_only;
int i;
int save_nestlevel;
char workmembuf[32];
int spi_result;
......@@ -1431,7 +1422,7 @@ RI_Initial_Check(Trigger *trigger, Relation fk_rel, Relation pk_rel)
fkrte->rellockmode = AccessShareLock;
fkrte->requiredPerms = ACL_SELECT;
for (i = 0; i < riinfo->nkeys; i++)
for (int i = 0; i < riinfo->nkeys; i++)
{
int attno;
......@@ -1475,7 +1466,7 @@ RI_Initial_Check(Trigger *trigger, Relation fk_rel, Relation pk_rel)
initStringInfo(&querybuf);
appendStringInfoString(&querybuf, "SELECT ");
sep = "";
for (i = 0; i < riinfo->nkeys; i++)
for (int i = 0; i < riinfo->nkeys; i++)
{
quoteOneName(fkattname,
RIAttName(fk_rel, riinfo->fk_attnums[i]));
......@@ -1494,7 +1485,7 @@ RI_Initial_Check(Trigger *trigger, Relation fk_rel, Relation pk_rel)
strcpy(pkattname, "pk.");
strcpy(fkattname, "fk.");
sep = "(";
for (i = 0; i < riinfo->nkeys; i++)
for (int i = 0; i < riinfo->nkeys; i++)
{
Oid pk_type = RIAttType(pk_rel, riinfo->pk_attnums[i]);
Oid fk_type = RIAttType(fk_rel, riinfo->fk_attnums[i]);
......@@ -1522,7 +1513,7 @@ RI_Initial_Check(Trigger *trigger, Relation fk_rel, Relation pk_rel)
appendStringInfo(&querybuf, ") WHERE pk.%s IS NULL AND (", pkattname);
sep = "";
for (i = 0; i < riinfo->nkeys; i++)
for (int i = 0; i < riinfo->nkeys; i++)
{
quoteOneName(fkattname, RIAttName(fk_rel, riinfo->fk_attnums[i]));
appendStringInfo(&querybuf,
......@@ -1613,7 +1604,7 @@ RI_Initial_Check(Trigger *trigger, Relation fk_rel, Relation pk_rel)
* or fk_rel's tupdesc.
*/
memcpy(&fake_riinfo, riinfo, sizeof(RI_ConstraintInfo));
for (i = 0; i < fake_riinfo.nkeys; i++)
for (int i = 0; i < fake_riinfo.nkeys; i++)
fake_riinfo.fk_attnums[i] = i + 1;
/*
......@@ -2195,7 +2186,6 @@ ri_ExtractValues(Relation rel, TupleTableSlot *slot,
Datum *vals, char *nulls)
{
const int16 *attnums;
int i;
bool isnull;
if (rel_is_pk)
......@@ -2203,7 +2193,7 @@ ri_ExtractValues(Relation rel, TupleTableSlot *slot,
else
attnums = riinfo->fk_attnums;
for (i = 0; i < riinfo->nkeys; i++)
for (int i = 0; i < riinfo->nkeys; i++)
{
vals[i] = slot_getattr(slot, attnums[i], &isnull);
nulls[i] = isnull ? 'n' : ' ';
......@@ -2229,7 +2219,6 @@ ri_ReportViolation(const RI_ConstraintInfo *riinfo,
StringInfoData key_values;
bool onfk;
const int16 *attnums;
int idx;
Oid rel_oid;
AclResult aclresult;
bool has_perm = true;
......@@ -2271,7 +2260,7 @@ ri_ReportViolation(const RI_ConstraintInfo *riinfo,
if (aclresult != ACLCHECK_OK)
{
/* Try for column-level permissions */
for (idx = 0; idx < riinfo->nkeys; idx++)
for (int idx = 0; idx < riinfo->nkeys; idx++)
{
aclresult = pg_attribute_aclcheck(rel_oid, attnums[idx],
GetUserId(),
......@@ -2294,7 +2283,7 @@ ri_ReportViolation(const RI_ConstraintInfo *riinfo,
/* Get printable versions of the keys involved */
initStringInfo(&key_names);
initStringInfo(&key_values);
for (idx = 0; idx < riinfo->nkeys; idx++)
for (int idx = 0; idx < riinfo->nkeys; idx++)
{
int fnum = attnums[idx];
Form_pg_attribute att = TupleDescAttr(tupdesc, fnum - 1);
......@@ -2370,7 +2359,6 @@ ri_NullCheck(TupleDesc tupDesc,
const RI_ConstraintInfo *riinfo, bool rel_is_pk)
{
const int16 *attnums;
int i;
bool allnull = true;
bool nonenull = true;
......@@ -2379,7 +2367,7 @@ ri_NullCheck(TupleDesc tupDesc,
else
attnums = riinfo->fk_attnums;
for (i = 0; i < riinfo->nkeys; i++)
for (int i = 0; i < riinfo->nkeys; i++)
{
if (slot_attisnull(slot, attnums[i]))
nonenull = false;
......@@ -2533,7 +2521,6 @@ ri_KeysEqual(Relation rel, TupleTableSlot *oldslot, TupleTableSlot *newslot,
{
const int16 *attnums;
const Oid *eq_oprs;
int i;
if (rel_is_pk)
{
......@@ -2547,7 +2534,7 @@ ri_KeysEqual(Relation rel, TupleTableSlot *oldslot, TupleTableSlot *newslot,
}
/* XXX: could be worthwhile to fetch all necessary attrs at once */
for (i = 0; i < riinfo->nkeys; i++)
for (int i = 0; i < riinfo->nkeys; i++)
{
Datum oldvalue;
Datum newvalue;
......
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