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Ye-old pgindent run. Same 4-space tabs.

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This commit is contained in:
Bruce Momjian
2000-04-12 17:17:23 +00:00
parent db4518729d
commit 52f77df613
434 changed files with 24799 additions and 21246 deletions
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93
src/backend/parser/parse_target.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_target.c,v 1.57 2000/03/14 23:06:33 thomas Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_target.c,v 1.58 2000/04/12 17:15:27 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -61,7 +61,9 @@ transformTargetEntry(ParseState *pstate,
if (colname == NULL)
{
/* Generate a suitable column name for a column without any
/*
* Generate a suitable column name for a column without any
* explicit 'AS ColumnName' clause.
*/
colname = FigureColname(expr, node);
@ -101,14 +103,16 @@ transformTargetList(ParseState *pstate, List *targetlist)
if (att->relname != NULL && strcmp(att->relname, "*") == 0)
{
/*
* Target item is a single '*', expand all tables
* (eg. SELECT * FROM emp)
* Target item is a single '*', expand all tables (eg.
* SELECT * FROM emp)
*/
if (pstate->p_shape != NULL)
{
List *s, *a;
int i;
List *s,
*a;
int i;
Assert(length(pstate->p_shape) == length(pstate->p_alias));
@ -116,12 +120,12 @@ transformTargetList(ParseState *pstate, List *targetlist)
a = pstate->p_alias;
for (i = 0; i < length(pstate->p_shape); i++)
{
TargetEntry *te;
char *colname;
Attr *shape = lfirst(s);
Attr *alias = lfirst(a);
TargetEntry *te;
char *colname;
Attr *shape = lfirst(s);
Attr *alias = lfirst(a);
Assert(IsA(shape, Attr) && IsA(alias, Attr));
Assert(IsA(shape, Attr) &&IsA(alias, Attr));
colname = strVal(lfirst(alias->attrs));
te = transformTargetEntry(pstate, (Node *) shape,
@ -138,9 +142,10 @@ transformTargetList(ParseState *pstate, List *targetlist)
else if (att->attrs != NIL &&
strcmp(strVal(lfirst(att->attrs)), "*") == 0)
{
/*
* Target item is relation.*, expand that table
* (eg. SELECT emp.*, dname FROM emp, dept)
* Target item is relation.*, expand that table (eg.
* SELECT emp.*, dname FROM emp, dept)
*/
p_target = nconc(p_target,
expandAll(pstate, att->relname,
@ -178,7 +183,7 @@ transformTargetList(ParseState *pstate, List *targetlist)
/*
* updateTargetListEntry()
* This is used in INSERT and UPDATE statements only. It prepares a
* This is used in INSERT and UPDATE statements only. It prepares a
* TargetEntry for assignment to a column of the target table.
* This includes coercing the given value to the target column's type
* (if necessary), and dealing with any subscripts attached to the target
@ -197,7 +202,7 @@ updateTargetListEntry(ParseState *pstate,
int attrno,
List *indirection)
{
Oid type_id = exprType(tle->expr); /* type of value provided */
Oid type_id = exprType(tle->expr); /* type of value provided */
Oid attrtype; /* type of target column */
int32 attrtypmod;
Resdom *resnode = tle->resdom;
@ -210,18 +215,20 @@ updateTargetListEntry(ParseState *pstate,
attrtypmod = rd->rd_att->attrs[attrno - 1]->atttypmod;
/*
* If there are subscripts on the target column, prepare an
* array assignment expression. This will generate an array value
* that the source value has been inserted into, which can then
* be placed in the new tuple constructed by INSERT or UPDATE.
* Note that transformArraySubscripts takes care of type coercion.
* If there are subscripts on the target column, prepare an array
* assignment expression. This will generate an array value that the
* source value has been inserted into, which can then be placed in
* the new tuple constructed by INSERT or UPDATE. Note that
* transformArraySubscripts takes care of type coercion.
*/
if (indirection)
{
#ifndef DISABLE_JOIN_SYNTAX
Attr *att = makeAttr(pstrdup(RelationGetRelationName(rd)), colname);
#else
Attr *att = makeNode(Attr);
#endif
Node *arrayBase;
ArrayRef *aref;
@ -239,24 +246,26 @@ updateTargetListEntry(ParseState *pstate,
tle->expr);
if (pstate->p_is_insert)
{
/*
* The command is INSERT INTO table (arraycol[subscripts]) ...
* so there is not really a source array value to work with.
* Let the executor do something reasonable, if it can.
* Notice that we forced transformArraySubscripts to treat
* the subscripting op as an array-slice op above, so the
* source data will have been coerced to array type.
* Let the executor do something reasonable, if it can. Notice
* that we forced transformArraySubscripts to treat the
* subscripting op as an array-slice op above, so the source
* data will have been coerced to array type.
*/
aref->refexpr = NULL; /* signal there is no source array */
aref->refexpr = NULL; /* signal there is no source array */
}
tle->expr = (Node *) aref;
}
else
{
/*
* For normal non-subscripted target column, do type checking
* and coercion. But accept InvalidOid, which indicates the
* source is a NULL constant.
* For normal non-subscripted target column, do type checking and
* coercion. But accept InvalidOid, which indicates the source is
* a NULL constant.
*/
if (type_id != InvalidOid)
{
@ -267,11 +276,12 @@ updateTargetListEntry(ParseState *pstate,
if (tle->expr == NULL)
elog(ERROR, "Attribute '%s' is of type '%s'"
" but expression is of type '%s'"
"\n\tYou will need to rewrite or cast the expression",
"\n\tYou will need to rewrite or cast the expression",
colname,
typeidTypeName(attrtype),
typeidTypeName(type_id));
}
/*
* If the target is a fixed-length type, it may need a length
* coercion as well as a type coercion.
@ -282,9 +292,10 @@ updateTargetListEntry(ParseState *pstate,
}
/*
* The result of the target expression should now match the destination
* column's type. Also, reset the resname and resno to identify
* the destination column --- rewriter and planner depend on that!
* The result of the target expression should now match the
* destination column's type. Also, reset the resname and resno to
* identify the destination column --- rewriter and planner depend on
* that!
*/
resnode->restype = attrtype;
resnode->restypmod = attrtypmod;
@ -344,6 +355,7 @@ checkInsertTargets(ParseState *pstate, List *cols, List **attrnos)
if (cols == NIL)
{
/*
* Generate default column list for INSERT.
*/
@ -357,20 +369,19 @@ checkInsertTargets(ParseState *pstate, List *cols, List **attrnos)
#ifdef _DROP_COLUMN_HACK__
if (COLUMN_IS_DROPPED(attr[i]))
{
continue;
}
#endif /* _DROP_COLUMN_HACK__ */
#endif /* _DROP_COLUMN_HACK__ */
id->name = palloc(NAMEDATALEN);
StrNCpy(id->name, NameStr(attr[i]->attname), NAMEDATALEN);
id->indirection = NIL;
id->isRel = false;
cols = lappend(cols, id);
*attrnos = lappendi(*attrnos, i+1);
*attrnos = lappendi(*attrnos, i + 1);
}
}
else
{
/*
* Do initial validation of user-supplied INSERT column list.
*/
@ -407,6 +418,7 @@ ExpandAllTables(ParseState *pstate)
rtable = pstate->p_rtable;
if (pstate->p_is_rule)
{
/*
* skip first two entries, "*new*" and "*current*"
*/
@ -422,9 +434,9 @@ ExpandAllTables(ParseState *pstate)
RangeTblEntry *rte = lfirst(rt);
/*
* we only expand those listed in the from clause. (This will
* also prevent us from using the wrong table in inserts: eg.
* tenk2 in "insert into tenk2 select * from tenk1;")
* we only expand those listed in the from clause. (This will also
* prevent us from using the wrong table in inserts: eg. tenk2 in
* "insert into tenk2 select * from tenk1;")
*/
if (!rte->inFromCl)
continue;
@ -449,11 +461,12 @@ FigureColname(Node *expr, Node *resval)
/* Some of these are easiest to do with the untransformed node */
switch (nodeTag(resval))
{
case T_Ident:
case T_Ident:
return ((Ident *) resval)->name;
case T_Attr:
{
List *attrs = ((Attr *) resval)->attrs;
if (attrs)
{
while (lnext(attrs) != NIL)