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authorBruce Momjian <bruce@momjian.us>2009-06-11 14:49:15 +0000
committerBruce Momjian <bruce@momjian.us>2009-06-11 14:49:15 +0000
commitd7471402794266078953f1bd113dab4913d631a1 (patch)
tree618e392a84eaf837e00bf78f8694097b78fec227 /src/backend/parser/parse_clause.c
parent4e86efb4e51b66ef57b3fe6f28576de23a1bf1c6 (diff)
downloadpostgresql-d7471402794266078953f1bd113dab4913d631a1.tar.gz
8.4 pgindent run, with new combined Linux/FreeBSD/MinGW typedef list
provided by Andrew.
Diffstat (limited to 'src/backend/parser/parse_clause.c')
-rw-r--r--src/backend/parser/parse_clause.c128
1 files changed, 64 insertions, 64 deletions
diff --git a/src/backend/parser/parse_clause.c b/src/backend/parser/parse_clause.c
index 2deffa9139..8a42f5bf0a 100644
--- a/src/backend/parser/parse_clause.c
+++ b/src/backend/parser/parse_clause.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/parser/parse_clause.c,v 1.188 2009/04/04 21:12:31 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/parser/parse_clause.c,v 1.189 2009/06/11 14:49:00 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -42,7 +42,7 @@
#define DISTINCT_ON_CLAUSE 2
#define PARTITION_CLAUSE 3
-static const char * const clauseText[] = {
+static const char *const clauseText[] = {
"ORDER BY",
"GROUP BY",
"DISTINCT ON",
@@ -75,8 +75,8 @@ static Node *buildMergedJoinVar(ParseState *pstate, JoinType jointype,
Var *l_colvar, Var *r_colvar);
static TargetEntry *findTargetlistEntry(ParseState *pstate, Node *node,
List **tlist, int clause);
-static int get_matching_location(int sortgroupref,
- List *sortgrouprefs, List *exprs);
+static int get_matching_location(int sortgroupref,
+ List *sortgrouprefs, List *exprs);
static List *addTargetToSortList(ParseState *pstate, TargetEntry *tle,
List *sortlist, List *targetlist, SortBy *sortby,
bool resolveUnknown);
@@ -414,7 +414,7 @@ transformJoinOnClause(ParseState *pstate, JoinExpr *j,
errmsg("JOIN/ON clause refers to \"%s\", which is not part of JOIN",
rt_fetch(varno, pstate->p_rtable)->eref->aliasname),
parser_errposition(pstate,
- locate_var_of_relation(result, varno, 0))));
+ locate_var_of_relation(result, varno, 0))));
}
bms_free(clause_varnos);
@@ -493,7 +493,7 @@ transformRangeSubselect(ParseState *pstate, RangeSubselect *r)
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("subquery in FROM cannot have SELECT INTO"),
parser_errposition(pstate,
- exprLocation((Node *) query->intoClause))));
+ exprLocation((Node *) query->intoClause))));
/*
* The subquery cannot make use of any variables from FROM items created
@@ -515,7 +515,7 @@ transformRangeSubselect(ParseState *pstate, RangeSubselect *r)
(errcode(ERRCODE_INVALID_COLUMN_REFERENCE),
errmsg("subquery in FROM cannot refer to other relations of same query level"),
parser_errposition(pstate,
- locate_var_of_level((Node *) query, 1))));
+ locate_var_of_level((Node *) query, 1))));
}
/*
@@ -584,7 +584,7 @@ transformRangeFunction(ParseState *pstate, RangeFunction *r)
checkExprHasWindowFuncs(funcexpr))
ereport(ERROR,
(errcode(ERRCODE_WINDOWING_ERROR),
- errmsg("cannot use window function in function expression in FROM"),
+ errmsg("cannot use window function in function expression in FROM"),
parser_errposition(pstate,
locate_windowfunc(funcexpr))));
@@ -649,7 +649,7 @@ transformFromClauseItem(ParseState *pstate, Node *n,
if (IsA(n, RangeVar))
{
/* Plain relation reference, or perhaps a CTE reference */
- RangeVar *rv = (RangeVar *) n;
+ RangeVar *rv = (RangeVar *) n;
RangeTblRef *rtr;
RangeTblEntry *rte = NULL;
int rtindex;
@@ -658,7 +658,7 @@ transformFromClauseItem(ParseState *pstate, Node *n,
if (!rv->schemaname)
{
CommonTableExpr *cte;
- Index levelsup;
+ Index levelsup;
cte = scanNameSpaceForCTE(pstate, rv->relname, &levelsup);
if (cte)
@@ -1432,11 +1432,11 @@ transformGroupClause(ParseState *pstate, List *grouplist,
* info from the (first) matching ORDER BY item. This means that if
* you write something like "GROUP BY foo ORDER BY foo USING <<<", the
* GROUP BY operation silently takes on the equality semantics implied
- * by the ORDER BY. There are two reasons to do this: it improves
- * the odds that we can implement both GROUP BY and ORDER BY with a
- * single sort step, and it allows the user to choose the equality
- * semantics used by GROUP BY, should she be working with a datatype
- * that has more than one equality operator.
+ * by the ORDER BY. There are two reasons to do this: it improves the
+ * odds that we can implement both GROUP BY and ORDER BY with a single
+ * sort step, and it allows the user to choose the equality semantics
+ * used by GROUP BY, should she be working with a datatype that has
+ * more than one equality operator.
*/
if (tle->ressortgroupref > 0)
{
@@ -1456,8 +1456,8 @@ transformGroupClause(ParseState *pstate, List *grouplist,
}
/*
- * If no match in ORDER BY, just add it to the result using
- * default sort/group semantics.
+ * If no match in ORDER BY, just add it to the result using default
+ * sort/group semantics.
*/
if (!found)
result = addTargetToGroupList(pstate, tle,
@@ -1516,10 +1516,10 @@ transformWindowDefinitions(ParseState *pstate,
foreach(lc, windowdefs)
{
- WindowDef *windef = (WindowDef *) lfirst(lc);
+ WindowDef *windef = (WindowDef *) lfirst(lc);
WindowClause *refwc = NULL;
- List *partitionClause;
- List *orderClause;
+ List *partitionClause;
+ List *orderClause;
WindowClause *wc;
winref++;
@@ -1550,8 +1550,8 @@ transformWindowDefinitions(ParseState *pstate,
/*
* Transform PARTITION and ORDER specs, if any. These are treated
- * exactly like top-level GROUP BY and ORDER BY clauses, including
- * the special handling of nondefault operator semantics.
+ * exactly like top-level GROUP BY and ORDER BY clauses, including the
+ * special handling of nondefault operator semantics.
*/
orderClause = transformSortClause(pstate,
windef->orderClause,
@@ -1573,19 +1573,19 @@ transformWindowDefinitions(ParseState *pstate,
/*
* Per spec, a windowdef that references a previous one copies the
* previous partition clause (and mustn't specify its own). It can
- * specify its own ordering clause. but only if the previous one
- * had none. It always specifies its own frame clause, and the
- * previous one must not have a frame clause. (Yeah, it's bizarre
- * that each of these cases works differently, but SQL:2008 says so;
- * see 7.11 <window clause> syntax rule 10 and general rule 1.)
+ * specify its own ordering clause. but only if the previous one had
+ * none. It always specifies its own frame clause, and the previous
+ * one must not have a frame clause. (Yeah, it's bizarre that each of
+ * these cases works differently, but SQL:2008 says so; see 7.11
+ * <window clause> syntax rule 10 and general rule 1.)
*/
if (refwc)
{
if (partitionClause)
ereport(ERROR,
(errcode(ERRCODE_WINDOWING_ERROR),
- errmsg("cannot override PARTITION BY clause of window \"%s\"",
- windef->refname),
+ errmsg("cannot override PARTITION BY clause of window \"%s\"",
+ windef->refname),
parser_errposition(pstate, windef->location)));
wc->partitionClause = copyObject(refwc->partitionClause);
}
@@ -1596,8 +1596,8 @@ transformWindowDefinitions(ParseState *pstate,
if (orderClause && refwc->orderClause)
ereport(ERROR,
(errcode(ERRCODE_WINDOWING_ERROR),
- errmsg("cannot override ORDER BY clause of window \"%s\"",
- windef->refname),
+ errmsg("cannot override ORDER BY clause of window \"%s\"",
+ windef->refname),
parser_errposition(pstate, windef->location)));
if (orderClause)
{
@@ -1652,19 +1652,19 @@ transformDistinctClause(ParseState *pstate,
ListCell *tlitem;
/*
- * The distinctClause should consist of all ORDER BY items followed
- * by all other non-resjunk targetlist items. There must not be any
- * resjunk ORDER BY items --- that would imply that we are sorting
- * by a value that isn't necessarily unique within a DISTINCT group,
- * so the results wouldn't be well-defined. This construction
- * ensures we follow the rule that sortClause and distinctClause match;
- * in fact the sortClause will always be a prefix of distinctClause.
+ * The distinctClause should consist of all ORDER BY items followed by all
+ * other non-resjunk targetlist items. There must not be any resjunk
+ * ORDER BY items --- that would imply that we are sorting by a value that
+ * isn't necessarily unique within a DISTINCT group, so the results
+ * wouldn't be well-defined. This construction ensures we follow the rule
+ * that sortClause and distinctClause match; in fact the sortClause will
+ * always be a prefix of distinctClause.
*
- * Note a corner case: the same TLE could be in the ORDER BY list
- * multiple times with different sortops. We have to include it in
- * the distinctClause the same way to preserve the prefix property.
- * The net effect will be that the TLE value will be made unique
- * according to both sortops.
+ * Note a corner case: the same TLE could be in the ORDER BY list multiple
+ * times with different sortops. We have to include it in the
+ * distinctClause the same way to preserve the prefix property. The net
+ * effect will be that the TLE value will be made unique according to both
+ * sortops.
*/
foreach(slitem, sortClause)
{
@@ -1681,8 +1681,8 @@ transformDistinctClause(ParseState *pstate,
}
/*
- * Now add any remaining non-resjunk tlist items, using default
- * sort/group semantics for their data types.
+ * Now add any remaining non-resjunk tlist items, using default sort/group
+ * semantics for their data types.
*/
foreach(tlitem, *targetlist)
{
@@ -1724,11 +1724,11 @@ transformDistinctOnClause(ParseState *pstate, List *distinctlist,
/*
* Add all the DISTINCT ON expressions to the tlist (if not already
- * present, they are added as resjunk items). Assign sortgroupref
- * numbers to them, and make a list of these numbers. (NB: we rely
- * below on the sortgrouprefs list being one-for-one with the original
- * distinctlist. Also notice that we could have duplicate DISTINCT ON
- * expressions and hence duplicate entries in sortgrouprefs.)
+ * present, they are added as resjunk items). Assign sortgroupref numbers
+ * to them, and make a list of these numbers. (NB: we rely below on the
+ * sortgrouprefs list being one-for-one with the original distinctlist.
+ * Also notice that we could have duplicate DISTINCT ON expressions and
+ * hence duplicate entries in sortgrouprefs.)
*/
foreach(lc, distinctlist)
{
@@ -1743,12 +1743,12 @@ transformDistinctOnClause(ParseState *pstate, List *distinctlist,
}
/*
- * If the user writes both DISTINCT ON and ORDER BY, adopt the
- * sorting semantics from ORDER BY items that match DISTINCT ON
- * items, and also adopt their column sort order. We insist that
- * the distinctClause and sortClause match, so throw error if we
- * find the need to add any more distinctClause items after we've
- * skipped an ORDER BY item that wasn't in DISTINCT ON.
+ * If the user writes both DISTINCT ON and ORDER BY, adopt the sorting
+ * semantics from ORDER BY items that match DISTINCT ON items, and also
+ * adopt their column sort order. We insist that the distinctClause and
+ * sortClause match, so throw error if we find the need to add any more
+ * distinctClause items after we've skipped an ORDER BY item that wasn't
+ * in DISTINCT ON.
*/
skipped_sortitem = false;
foreach(lc, sortClause)
@@ -1762,9 +1762,9 @@ transformDistinctOnClause(ParseState *pstate, List *distinctlist,
(errcode(ERRCODE_INVALID_COLUMN_REFERENCE),
errmsg("SELECT DISTINCT ON expressions must match initial ORDER BY expressions"),
parser_errposition(pstate,
- get_matching_location(scl->tleSortGroupRef,
- sortgrouprefs,
- distinctlist))));
+ get_matching_location(scl->tleSortGroupRef,
+ sortgrouprefs,
+ distinctlist))));
else
result = lappend(result, copyObject(scl));
}
@@ -1774,8 +1774,8 @@ transformDistinctOnClause(ParseState *pstate, List *distinctlist,
/*
* Now add any remaining DISTINCT ON items, using default sort/group
- * semantics for their data types. (Note: this is pretty questionable;
- * if the ORDER BY list doesn't include all the DISTINCT ON items and more
+ * semantics for their data types. (Note: this is pretty questionable; if
+ * the ORDER BY list doesn't include all the DISTINCT ON items and more
* besides, you certainly aren't using DISTINCT ON in the intended way,
* and you probably aren't going to get consistent results. It might be
* better to throw an error or warning here. But historically we've
@@ -1870,9 +1870,9 @@ addTargetToSortList(ParseState *pstate, TargetEntry *tle,
* Rather than clutter the API of get_sort_group_operators and the other
* functions we're about to use, make use of error context callback to
* mark any error reports with a parse position. We point to the operator
- * location if present, else to the expression being sorted. (NB: use
- * the original untransformed expression here; the TLE entry might well
- * point at a duplicate expression in the regular SELECT list.)
+ * location if present, else to the expression being sorted. (NB: use the
+ * original untransformed expression here; the TLE entry might well point
+ * at a duplicate expression in the regular SELECT list.)
*/
location = sortby->location;
if (location < 0)