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Diffstat (limited to 'src/backend/parser/parse_relation.c')
-rw-r--r--src/backend/parser/parse_relation.c85
1 files changed, 46 insertions, 39 deletions
diff --git a/src/backend/parser/parse_relation.c b/src/backend/parser/parse_relation.c
index ce09156ff8d..442170a2eee 100644
--- a/src/backend/parser/parse_relation.c
+++ b/src/backend/parser/parse_relation.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/parser/parse_relation.c,v 1.99 2004/08/29 04:12:41 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/parser/parse_relation.c,v 1.100 2004/08/29 05:06:44 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -43,9 +43,9 @@ static void scanNameSpaceForConflict(ParseState *pstate, Node *nsnode,
RangeTblEntry *rte1, const char *aliasname1);
static bool isForUpdate(ParseState *pstate, char *refname);
static void expandRelation(Oid relid, Alias *eref,
- int rtindex, int sublevels_up,
- bool include_dropped,
- List **colnames, List **colvars);
+ int rtindex, int sublevels_up,
+ bool include_dropped,
+ List **colnames, List **colvars);
static int specialAttNum(const char *attname);
static void warnAutoRange(ParseState *pstate, RangeVar *relation);
@@ -142,7 +142,7 @@ scanNameSpaceForRefname(ParseState *pstate, Node *nsnode,
return NULL;
if (IsA(nsnode, RangeTblRef))
{
- int varno = ((RangeTblRef *) nsnode)->rtindex;
+ int varno = ((RangeTblRef *) nsnode)->rtindex;
RangeTblEntry *rte = rt_fetch(varno, pstate->p_rtable);
if (strcmp(rte->eref->aliasname, refname) == 0)
@@ -489,14 +489,15 @@ scanRTEForColumn(ParseState *pstate, RangeTblEntry *rte, char *colname)
* Scan the user column names (or aliases) for a match. Complain if
* multiple matches.
*
- * Note: eref->colnames may include entries for dropped columns,
- * but those will be empty strings that cannot match any legal SQL
+ * Note: eref->colnames may include entries for dropped columns, but
+ * those will be empty strings that cannot match any legal SQL
* identifier, so we don't bother to test for that case here.
*
* Should this somehow go wrong and we try to access a dropped column,
* we'll still catch it by virtue of the checks in
- * get_rte_attribute_type(), which is called by make_var(). That routine
- * has to do a cache lookup anyway, so the check there is cheap.
+ * get_rte_attribute_type(), which is called by make_var(). That
+ * routine has to do a cache lookup anyway, so the check there is
+ * cheap.
*/
foreach(c, rte->eref->colnames)
{
@@ -723,7 +724,7 @@ buildRelationAliases(TupleDesc tupdesc, Alias *alias, Alias *eref)
ereport(ERROR,
(errcode(ERRCODE_INVALID_COLUMN_REFERENCE),
errmsg("table \"%s\" has %d columns available but %d columns specified",
- eref->aliasname, maxattrs - numdropped, numaliases)));
+ eref->aliasname, maxattrs - numdropped, numaliases)));
}
/*
@@ -761,8 +762,8 @@ addRangeTableEntry(ParseState *pstate,
rte->relid = RelationGetRelid(rel);
/*
- * Build the list of effective column names using user-supplied aliases
- * and/or actual column names.
+ * Build the list of effective column names using user-supplied
+ * aliases and/or actual column names.
*/
rte->eref = makeAlias(refname, NIL);
buildRelationAliases(rel->rd_att, alias, rte->eref);
@@ -788,7 +789,7 @@ addRangeTableEntry(ParseState *pstate,
rte->inFromCl = inFromCl;
rte->requiredPerms = ACL_SELECT;
- rte->checkAsUser = 0; /* not set-uid by default, either */
+ rte->checkAsUser = 0; /* not set-uid by default, either */
/*
* Add completed RTE to pstate's range table list, but not to join
@@ -834,8 +835,8 @@ addRangeTableEntryForRelation(ParseState *pstate,
rte->relid = relid;
/*
- * Build the list of effective column names using user-supplied aliases
- * and/or actual column names.
+ * Build the list of effective column names using user-supplied
+ * aliases and/or actual column names.
*/
rte->eref = makeAlias(refname, NIL);
buildRelationAliases(rel->rd_att, alias, rte->eref);
@@ -861,7 +862,7 @@ addRangeTableEntryForRelation(ParseState *pstate,
rte->inFromCl = inFromCl;
rte->requiredPerms = ACL_SELECT;
- rte->checkAsUser = 0; /* not set-uid by default, either */
+ rte->checkAsUser = 0; /* not set-uid by default, either */
/*
* Add completed RTE to pstate's range table list, but not to join
@@ -1131,7 +1132,7 @@ addRangeTableEntryForJoin(ParseState *pstate,
/* fill in any unspecified alias columns */
if (numaliases < list_length(colnames))
eref->colnames = list_concat(eref->colnames,
- list_copy_tail(colnames, numaliases));
+ list_copy_tail(colnames, numaliases));
rte->eref = eref;
@@ -1273,8 +1274,8 @@ expandRTE(List *rtable, int rtindex, int sublevels_up,
case RTE_SUBQUERY:
{
/* Subquery RTE */
- ListCell *aliasp_item = list_head(rte->eref->colnames);
- ListCell *tlistitem;
+ ListCell *aliasp_item = list_head(rte->eref->colnames);
+ ListCell *tlistitem;
varattno = 0;
foreach(tlistitem, rte->subquery->targetList)
@@ -1338,7 +1339,7 @@ expandRTE(List *rtable, int rtindex, int sublevels_up,
*/
if (colnames)
*colnames = lappend(*colnames,
- linitial(rte->eref->colnames));
+ linitial(rte->eref->colnames));
if (colvars)
{
@@ -1396,13 +1397,13 @@ expandRTE(List *rtable, int rtindex, int sublevels_up,
case RTE_JOIN:
{
/* Join RTE */
- ListCell *colname;
- ListCell *aliasvar;
+ ListCell *colname;
+ ListCell *aliasvar;
Assert(list_length(rte->eref->colnames) == list_length(rte->joinaliasvars));
varattno = 0;
- forboth (colname, rte->eref->colnames, aliasvar, rte->joinaliasvars)
+ forboth(colname, rte->eref->colnames, aliasvar, rte->joinaliasvars)
{
varattno++;
@@ -1420,16 +1421,16 @@ expandRTE(List *rtable, int rtindex, int sublevels_up,
{
if (colnames)
*colnames = lappend(*colnames,
- makeString(pstrdup("")));
+ makeString(pstrdup("")));
if (colvars)
{
/*
* can't use atttypid here, but it doesn't
- * really matter what type the Const claims to
- * be.
+ * really matter what type the Const
+ * claims to be.
*/
*colvars = lappend(*colvars,
- makeNullConst(INT4OID));
+ makeNullConst(INT4OID));
}
}
continue;
@@ -1493,8 +1494,8 @@ expandRelation(Oid relid, Alias *eref, int rtindex, int sublevels_up,
if (colvars)
{
/*
- * can't use atttypid here, but it doesn't really matter
- * what type the Const claims to be.
+ * can't use atttypid here, but it doesn't really
+ * matter what type the Const claims to be.
*/
*colvars = lappend(*colvars, makeNullConst(INT4OID));
}
@@ -1559,7 +1560,8 @@ expandRelAttrs(ParseState *pstate, List *rtable, int rtindex, int sublevels_up)
te_list = lappend(te_list, te);
}
- Assert(name == NULL && var == NULL); /* lists not the same length? */
+ Assert(name == NULL && var == NULL); /* lists not the same
+ * length? */
return te_list;
}
@@ -1761,7 +1763,10 @@ get_rte_attribute_is_dropped(List *rtable, int rtindex, AttrNumber attnum)
{
case RTE_RELATION:
{
- /* Plain relation RTE --- get the attribute's catalog entry */
+ /*
+ * Plain relation RTE --- get the attribute's catalog
+ * entry
+ */
HeapTuple tp;
Form_pg_attribute att_tup;
@@ -1784,18 +1789,20 @@ get_rte_attribute_is_dropped(List *rtable, int rtindex, AttrNumber attnum)
case RTE_JOIN:
{
/*
- * A join RTE would not have dropped columns when constructed,
- * but one in a stored rule might contain columns that were
- * dropped from the underlying tables, if said columns are
- * nowhere explicitly referenced in the rule. So we have to
- * recursively look at the referenced column.
+ * A join RTE would not have dropped columns when
+ * constructed, but one in a stored rule might contain
+ * columns that were dropped from the underlying tables,
+ * if said columns are nowhere explicitly referenced in
+ * the rule. So we have to recursively look at the
+ * referenced column.
*/
- Var *aliasvar;
+ Var *aliasvar;
if (attnum <= 0 ||
attnum > list_length(rte->joinaliasvars))
elog(ERROR, "invalid varattno %d", attnum);
aliasvar = (Var *) list_nth(rte->joinaliasvars, attnum - 1);
+
/*
* If the list item isn't a simple Var, then it must
* represent a merged column, ie a USING column, and so it
@@ -1807,7 +1814,7 @@ get_rte_attribute_is_dropped(List *rtable, int rtindex, AttrNumber attnum)
else
result = get_rte_attribute_is_dropped(rtable,
aliasvar->varno,
- aliasvar->varattno);
+ aliasvar->varattno);
}
break;
case RTE_FUNCTION:
@@ -1865,7 +1872,7 @@ get_rte_attribute_is_dropped(List *rtable, int rtindex, AttrNumber attnum)
TargetEntry *
get_tle_by_resno(List *tlist, AttrNumber resno)
{
- ListCell *l;
+ ListCell *l;
foreach(l, tlist)
{
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-21 21:39:33 +0000