mirror of
https://git.postgresql.org/git/postgresql.git
synced 2025-02-05 19:09:58 +08:00
Replace the usage of heap_addheader to create pg_attribute tuples with regular
heap_form_tuple. Since this removes the last remaining caller of heap_addheader, remove it. Extracted from the column privileges patch from Stephen Frost, with further code cleanups by me.
This commit is contained in:
Alvaro Herrera
parent
c889ebce0a
commit
03e5248d0f
@ -50,7 +50,7 @@
|
||||
*
|
||||
*
|
||||
* IDENTIFICATION
|
||||
* $PostgreSQL: pgsql/src/backend/access/common/heaptuple.c,v 1.123 2008/11/02 01:45:26 tgl Exp $
|
||||
* $PostgreSQL: pgsql/src/backend/access/common/heaptuple.c,v 1.124 2008/11/14 01:57:41 alvherre Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
@ -1576,56 +1576,3 @@ minimal_tuple_from_heap_tuple(HeapTuple htup)
|
||||
result->t_len = len;
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
/* ----------------
|
||||
* heap_addheader
|
||||
*
|
||||
* This routine forms a HeapTuple by copying the given structure (tuple
|
||||
* data) and adding a generic header. Note that the tuple data is
|
||||
* presumed to contain no null fields and no varlena fields.
|
||||
*
|
||||
* This routine is really only useful for certain system tables that are
|
||||
* known to be fixed-width and null-free. Currently it is only used for
|
||||
* pg_attribute tuples.
|
||||
* ----------------
|
||||
*/
|
||||
HeapTuple
|
||||
heap_addheader(int natts, /* max domain index */
|
||||
bool withoid, /* reserve space for oid */
|
||||
Size structlen, /* its length */
|
||||
void *structure) /* pointer to the struct */
|
||||
{
|
||||
HeapTuple tuple;
|
||||
HeapTupleHeader td;
|
||||
Size len;
|
||||
int hoff;
|
||||
|
||||
AssertArg(natts > 0);
|
||||
|
||||
/* header needs no null bitmap */
|
||||
hoff = offsetof(HeapTupleHeaderData, t_bits);
|
||||
if (withoid)
|
||||
hoff += sizeof(Oid);
|
||||
hoff = MAXALIGN(hoff);
|
||||
len = hoff + structlen;
|
||||
|
||||
tuple = (HeapTuple) palloc0(HEAPTUPLESIZE + len);
|
||||
tuple->t_data = td = (HeapTupleHeader) ((char *) tuple + HEAPTUPLESIZE);
|
||||
|
||||
tuple->t_len = len;
|
||||
ItemPointerSetInvalid(&(tuple->t_self));
|
||||
tuple->t_tableOid = InvalidOid;
|
||||
|
||||
/* we don't bother to fill the Datum fields */
|
||||
|
||||
HeapTupleHeaderSetNatts(td, natts);
|
||||
td->t_hoff = hoff;
|
||||
|
||||
if (withoid) /* else leave infomask = 0 */
|
||||
td->t_infomask = HEAP_HASOID;
|
||||
|
||||
memcpy((char *) td + hoff, structure, structlen);
|
||||
|
||||
return tuple;
|
||||
}
|
||||
|
||||
@ -8,7 +8,7 @@
|
||||
*
|
||||
*
|
||||
* IDENTIFICATION
|
||||
* $PostgreSQL: pgsql/src/backend/catalog/heap.c,v 1.343 2008/11/09 21:24:32 tgl Exp $
|
||||
* $PostgreSQL: pgsql/src/backend/catalog/heap.c,v 1.344 2008/11/14 01:57:41 alvherre Exp $
|
||||
*
|
||||
*
|
||||
* INTERFACE ROUTINES
|
||||
@ -478,6 +478,60 @@ CheckAttributeType(const char *attname, Oid atttypid)
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* InsertPgAttributeTuple
|
||||
* Construct and insert a new tuple in pg_attribute.
|
||||
*
|
||||
* Caller has already opened and locked pg_attribute. new_attribute is the
|
||||
* attribute to insert.
|
||||
*
|
||||
* indstate is the index state for CatalogIndexInsert. It can be passed as
|
||||
* NULL, in which case we'll fetch the necessary info. (Don't do this when
|
||||
* inserting multiple attributes, because it's a tad more expensive.)
|
||||
*/
|
||||
void
|
||||
InsertPgAttributeTuple(Relation pg_attribute_rel,
|
||||
Form_pg_attribute new_attribute,
|
||||
CatalogIndexState indstate)
|
||||
{
|
||||
Datum values[Natts_pg_attribute];
|
||||
bool nulls[Natts_pg_attribute];
|
||||
HeapTuple tup;
|
||||
|
||||
/* This is a tad tedious, but way cleaner than what we used to do... */
|
||||
memset(values, 0, sizeof(values));
|
||||
memset(nulls, false, sizeof(nulls));
|
||||
|
||||
values[Anum_pg_attribute_attrelid - 1] = ObjectIdGetDatum(new_attribute->attrelid);
|
||||
values[Anum_pg_attribute_attname - 1] = NameGetDatum(&new_attribute->attname);
|
||||
values[Anum_pg_attribute_atttypid - 1] = ObjectIdGetDatum(new_attribute->atttypid);
|
||||
values[Anum_pg_attribute_attstattarget - 1] = Int32GetDatum(new_attribute->attstattarget);
|
||||
values[Anum_pg_attribute_attlen - 1] = Int16GetDatum(new_attribute->attlen);
|
||||
values[Anum_pg_attribute_attnum - 1] = Int16GetDatum(new_attribute->attnum);
|
||||
values[Anum_pg_attribute_attndims - 1] = Int32GetDatum(new_attribute->attndims);
|
||||
values[Anum_pg_attribute_attcacheoff - 1] = Int32GetDatum(new_attribute->attcacheoff);
|
||||
values[Anum_pg_attribute_atttypmod - 1] = Int32GetDatum(new_attribute->atttypmod);
|
||||
values[Anum_pg_attribute_attbyval - 1] = BoolGetDatum(new_attribute->attbyval);
|
||||
values[Anum_pg_attribute_attstorage - 1] = CharGetDatum(new_attribute->attstorage);
|
||||
values[Anum_pg_attribute_attalign - 1] = CharGetDatum(new_attribute->attalign);
|
||||
values[Anum_pg_attribute_attnotnull - 1] = BoolGetDatum(new_attribute->attnotnull);
|
||||
values[Anum_pg_attribute_atthasdef - 1] = BoolGetDatum(new_attribute->atthasdef);
|
||||
values[Anum_pg_attribute_attisdropped - 1] = BoolGetDatum(new_attribute->attisdropped);
|
||||
values[Anum_pg_attribute_attislocal - 1] = BoolGetDatum(new_attribute->attislocal);
|
||||
values[Anum_pg_attribute_attinhcount - 1] = Int32GetDatum(new_attribute->attinhcount);
|
||||
|
||||
tup = heap_form_tuple(RelationGetDescr(pg_attribute_rel), values, nulls);
|
||||
|
||||
/* finally insert the new tuple, update the indexes, and clean up */
|
||||
simple_heap_insert(pg_attribute_rel, tup);
|
||||
|
||||
if (indstate != NULL)
|
||||
CatalogIndexInsert(indstate, tup);
|
||||
else
|
||||
CatalogUpdateIndexes(pg_attribute_rel, tup);
|
||||
|
||||
heap_freetuple(tup);
|
||||
}
|
||||
/* --------------------------------
|
||||
* AddNewAttributeTuples
|
||||
*
|
||||
@ -492,9 +546,8 @@ AddNewAttributeTuples(Oid new_rel_oid,
|
||||
bool oidislocal,
|
||||
int oidinhcount)
|
||||
{
|
||||
const Form_pg_attribute *dpp;
|
||||
Form_pg_attribute attr;
|
||||
int i;
|
||||
HeapTuple tup;
|
||||
Relation rel;
|
||||
CatalogIndexState indstate;
|
||||
int natts = tupdesc->natts;
|
||||
@ -512,35 +565,25 @@ AddNewAttributeTuples(Oid new_rel_oid,
|
||||
* First we add the user attributes. This is also a convenient place to
|
||||
* add dependencies on their datatypes.
|
||||
*/
|
||||
dpp = tupdesc->attrs;
|
||||
for (i = 0; i < natts; i++)
|
||||
{
|
||||
attr = tupdesc->attrs[i];
|
||||
/* Fill in the correct relation OID */
|
||||
(*dpp)->attrelid = new_rel_oid;
|
||||
attr->attrelid = new_rel_oid;
|
||||
/* Make sure these are OK, too */
|
||||
(*dpp)->attstattarget = -1;
|
||||
(*dpp)->attcacheoff = -1;
|
||||
attr->attstattarget = -1;
|
||||
attr->attcacheoff = -1;
|
||||
|
||||
tup = heap_addheader(Natts_pg_attribute,
|
||||
false,
|
||||
ATTRIBUTE_TUPLE_SIZE,
|
||||
(void *) *dpp);
|
||||
|
||||
simple_heap_insert(rel, tup);
|
||||
|
||||
CatalogIndexInsert(indstate, tup);
|
||||
|
||||
heap_freetuple(tup);
|
||||
InsertPgAttributeTuple(rel, attr, indstate);
|
||||
|
||||
/* Add dependency info */
|
||||
myself.classId = RelationRelationId;
|
||||
myself.objectId = new_rel_oid;
|
||||
myself.objectSubId = i + 1;
|
||||
referenced.classId = TypeRelationId;
|
||||
referenced.objectId = (*dpp)->atttypid;
|
||||
referenced.objectId = attr->atttypid;
|
||||
referenced.objectSubId = 0;
|
||||
recordDependencyOn(&myself, &referenced, DEPENDENCY_NORMAL);
|
||||
|
||||
dpp++;
|
||||
}
|
||||
|
||||
/*
|
||||
@ -550,43 +593,28 @@ AddNewAttributeTuples(Oid new_rel_oid,
|
||||
*/
|
||||
if (relkind != RELKIND_VIEW && relkind != RELKIND_COMPOSITE_TYPE)
|
||||
{
|
||||
dpp = SysAtt;
|
||||
for (i = 0; i < (int) lengthof(SysAtt); i++, dpp++)
|
||||
for (i = 0; i < (int) lengthof(SysAtt); i++)
|
||||
{
|
||||
if (tupdesc->tdhasoid ||
|
||||
(*dpp)->attnum != ObjectIdAttributeNumber)
|
||||
FormData_pg_attribute attStruct;
|
||||
|
||||
/* skip OID where appropriate */
|
||||
if (!tupdesc->tdhasoid &&
|
||||
SysAtt[i]->attnum == ObjectIdAttributeNumber)
|
||||
continue;
|
||||
|
||||
memcpy(&attStruct, (char *) SysAtt[i], sizeof(FormData_pg_attribute));
|
||||
|
||||
/* Fill in the correct relation OID in the copied tuple */
|
||||
attStruct.attrelid = new_rel_oid;
|
||||
|
||||
/* Fill in correct inheritance info for the OID column */
|
||||
if (attStruct.attnum == ObjectIdAttributeNumber)
|
||||
{
|
||||
Form_pg_attribute attStruct;
|
||||
|
||||
tup = heap_addheader(Natts_pg_attribute,
|
||||
false,
|
||||
ATTRIBUTE_TUPLE_SIZE,
|
||||
(void *) *dpp);
|
||||
attStruct = (Form_pg_attribute) GETSTRUCT(tup);
|
||||
|
||||
/* Fill in the correct relation OID in the copied tuple */
|
||||
attStruct->attrelid = new_rel_oid;
|
||||
|
||||
/* Fill in correct inheritance info for the OID column */
|
||||
if (attStruct->attnum == ObjectIdAttributeNumber)
|
||||
{
|
||||
attStruct->attislocal = oidislocal;
|
||||
attStruct->attinhcount = oidinhcount;
|
||||
}
|
||||
|
||||
/*
|
||||
* Unneeded since they should be OK in the constant data
|
||||
* anyway
|
||||
*/
|
||||
/* attStruct->attstattarget = 0; */
|
||||
/* attStruct->attcacheoff = -1; */
|
||||
|
||||
simple_heap_insert(rel, tup);
|
||||
|
||||
CatalogIndexInsert(indstate, tup);
|
||||
|
||||
heap_freetuple(tup);
|
||||
attStruct.attislocal = oidislocal;
|
||||
attStruct.attinhcount = oidinhcount;
|
||||
}
|
||||
|
||||
InsertPgAttributeTuple(rel, &attStruct, indstate);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -8,7 +8,7 @@
|
||||
*
|
||||
*
|
||||
* IDENTIFICATION
|
||||
* $PostgreSQL: pgsql/src/backend/catalog/index.c,v 1.308 2008/11/13 17:42:10 tgl Exp $
|
||||
* $PostgreSQL: pgsql/src/backend/catalog/index.c,v 1.309 2008/11/14 01:57:41 alvherre Exp $
|
||||
*
|
||||
*
|
||||
* INTERFACE ROUTINES
|
||||
@ -327,7 +327,6 @@ AppendAttributeTuples(Relation indexRelation, int numatts)
|
||||
Relation pg_attribute;
|
||||
CatalogIndexState indstate;
|
||||
TupleDesc indexTupDesc;
|
||||
HeapTuple new_tuple;
|
||||
int i;
|
||||
|
||||
/*
|
||||
@ -351,16 +350,7 @@ AppendAttributeTuples(Relation indexRelation, int numatts)
|
||||
Assert(indexTupDesc->attrs[i]->attnum == i + 1);
|
||||
Assert(indexTupDesc->attrs[i]->attcacheoff == -1);
|
||||
|
||||
new_tuple = heap_addheader(Natts_pg_attribute,
|
||||
false,
|
||||
ATTRIBUTE_TUPLE_SIZE,
|
||||
(void *) indexTupDesc->attrs[i]);
|
||||
|
||||
simple_heap_insert(pg_attribute, new_tuple);
|
||||
|
||||
CatalogIndexInsert(indstate, new_tuple);
|
||||
|
||||
heap_freetuple(new_tuple);
|
||||
InsertPgAttributeTuple(pg_attribute, indexTupDesc->attrs[i], indstate);
|
||||
}
|
||||
|
||||
CatalogCloseIndexes(indstate);
|
||||
|
||||
@ -8,7 +8,7 @@
|
||||
*
|
||||
*
|
||||
* IDENTIFICATION
|
||||
* $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.269 2008/11/02 01:45:27 tgl Exp $
|
||||
* $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.270 2008/11/14 01:57:41 alvherre Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
@ -3450,9 +3450,7 @@ ATExecAddColumn(AlteredTableInfo *tab, Relation rel,
|
||||
Relation pgclass,
|
||||
attrdesc;
|
||||
HeapTuple reltup;
|
||||
HeapTuple attributeTuple;
|
||||
Form_pg_attribute attribute;
|
||||
FormData_pg_attribute attributeD;
|
||||
FormData_pg_attribute attribute;
|
||||
int i;
|
||||
int minattnum,
|
||||
maxatts;
|
||||
@ -3543,37 +3541,27 @@ ATExecAddColumn(AlteredTableInfo *tab, Relation rel,
|
||||
/* make sure datatype is legal for a column */
|
||||
CheckAttributeType(colDef->colname, typeOid);
|
||||
|
||||
attributeTuple = heap_addheader(Natts_pg_attribute,
|
||||
false,
|
||||
ATTRIBUTE_TUPLE_SIZE,
|
||||
(void *) &attributeD);
|
||||
|
||||
attribute = (Form_pg_attribute) GETSTRUCT(attributeTuple);
|
||||
|
||||
attribute->attrelid = myrelid;
|
||||
namestrcpy(&(attribute->attname), colDef->colname);
|
||||
attribute->atttypid = typeOid;
|
||||
attribute->attstattarget = -1;
|
||||
attribute->attlen = tform->typlen;
|
||||
attribute->attcacheoff = -1;
|
||||
attribute->atttypmod = typmod;
|
||||
attribute->attnum = i;
|
||||
attribute->attbyval = tform->typbyval;
|
||||
attribute->attndims = list_length(colDef->typename->arrayBounds);
|
||||
attribute->attstorage = tform->typstorage;
|
||||
attribute->attalign = tform->typalign;
|
||||
attribute->attnotnull = colDef->is_not_null;
|
||||
attribute->atthasdef = false;
|
||||
attribute->attisdropped = false;
|
||||
attribute->attislocal = colDef->is_local;
|
||||
attribute->attinhcount = colDef->inhcount;
|
||||
attribute.attrelid = myrelid;
|
||||
namestrcpy(&(attribute.attname), colDef->colname);
|
||||
attribute.atttypid = typeOid;
|
||||
attribute.attstattarget = -1;
|
||||
attribute.attlen = tform->typlen;
|
||||
attribute.attcacheoff = -1;
|
||||
attribute.atttypmod = typmod;
|
||||
attribute.attnum = i;
|
||||
attribute.attbyval = tform->typbyval;
|
||||
attribute.attndims = list_length(colDef->typename->arrayBounds);
|
||||
attribute.attstorage = tform->typstorage;
|
||||
attribute.attalign = tform->typalign;
|
||||
attribute.attnotnull = colDef->is_not_null;
|
||||
attribute.atthasdef = false;
|
||||
attribute.attisdropped = false;
|
||||
attribute.attislocal = colDef->is_local;
|
||||
attribute.attinhcount = colDef->inhcount;
|
||||
|
||||
ReleaseSysCache(typeTuple);
|
||||
|
||||
simple_heap_insert(attrdesc, attributeTuple);
|
||||
|
||||
/* Update indexes on pg_attribute */
|
||||
CatalogUpdateIndexes(attrdesc, attributeTuple);
|
||||
InsertPgAttributeTuple(attrdesc, &attribute, NULL);
|
||||
|
||||
heap_close(attrdesc, RowExclusiveLock);
|
||||
|
||||
@ -3602,7 +3590,7 @@ ATExecAddColumn(AlteredTableInfo *tab, Relation rel,
|
||||
RawColumnDefault *rawEnt;
|
||||
|
||||
rawEnt = (RawColumnDefault *) palloc(sizeof(RawColumnDefault));
|
||||
rawEnt->attnum = attribute->attnum;
|
||||
rawEnt->attnum = attribute.attnum;
|
||||
rawEnt->raw_default = copyObject(colDef->raw_default);
|
||||
|
||||
/*
|
||||
@ -3637,7 +3625,7 @@ ATExecAddColumn(AlteredTableInfo *tab, Relation rel,
|
||||
* returned by AddRelationNewConstraints, so that the right thing happens
|
||||
* when a datatype's default applies.
|
||||
*/
|
||||
defval = (Expr *) build_column_default(rel, attribute->attnum);
|
||||
defval = (Expr *) build_column_default(rel, attribute.attnum);
|
||||
|
||||
if (!defval && GetDomainConstraints(typeOid) != NIL)
|
||||
{
|
||||
@ -3664,7 +3652,7 @@ ATExecAddColumn(AlteredTableInfo *tab, Relation rel,
|
||||
NewColumnValue *newval;
|
||||
|
||||
newval = (NewColumnValue *) palloc0(sizeof(NewColumnValue));
|
||||
newval->attnum = attribute->attnum;
|
||||
newval->attnum = attribute.attnum;
|
||||
newval->expr = defval;
|
||||
|
||||
tab->newvals = lappend(tab->newvals, newval);
|
||||
@ -3678,7 +3666,7 @@ ATExecAddColumn(AlteredTableInfo *tab, Relation rel,
|
||||
/*
|
||||
* Add needed dependency entries for the new column.
|
||||
*/
|
||||
add_column_datatype_dependency(myrelid, i, attribute->atttypid);
|
||||
add_column_datatype_dependency(myrelid, i, attribute.atttypid);
|
||||
}
|
||||
|
||||
/*
|
||||
|
||||
@ -7,7 +7,7 @@
|
||||
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
|
||||
* Portions Copyright (c) 1994, Regents of the University of California
|
||||
*
|
||||
* $PostgreSQL: pgsql/src/include/access/htup.h,v 1.103 2008/11/02 01:45:28 tgl Exp $
|
||||
* $PostgreSQL: pgsql/src/include/access/htup.h,v 1.104 2008/11/14 01:57:42 alvherre Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
@ -847,7 +847,5 @@ extern void heap_free_minimal_tuple(MinimalTuple mtup);
|
||||
extern MinimalTuple heap_copy_minimal_tuple(MinimalTuple mtup);
|
||||
extern HeapTuple heap_tuple_from_minimal_tuple(MinimalTuple mtup);
|
||||
extern MinimalTuple minimal_tuple_from_heap_tuple(HeapTuple htup);
|
||||
extern HeapTuple heap_addheader(int natts, bool withoid,
|
||||
Size structlen, void *structure);
|
||||
|
||||
#endif /* HTUP_H */
|
||||
|
||||
@ -7,7 +7,7 @@
|
||||
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
|
||||
* Portions Copyright (c) 1994, Regents of the University of California
|
||||
*
|
||||
* $PostgreSQL: pgsql/src/include/catalog/heap.h,v 1.88 2008/05/09 23:32:04 tgl Exp $
|
||||
* $PostgreSQL: pgsql/src/include/catalog/heap.h,v 1.89 2008/11/14 01:57:42 alvherre Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
@ -15,6 +15,7 @@
|
||||
#define HEAP_H
|
||||
|
||||
#include "parser/parse_node.h"
|
||||
#include "catalog/indexing.h"
|
||||
|
||||
|
||||
typedef struct RawColumnDefault
|
||||
@ -65,6 +66,10 @@ extern void heap_truncate_check_FKs(List *relations, bool tempTables);
|
||||
|
||||
extern List *heap_truncate_find_FKs(List *relationIds);
|
||||
|
||||
extern void InsertPgAttributeTuple(Relation pg_attribute_rel,
|
||||
Form_pg_attribute new_attribute,
|
||||
CatalogIndexState indstate);
|
||||
|
||||
extern void InsertPgClassTuple(Relation pg_class_desc,
|
||||
Relation new_rel_desc,
|
||||
Oid new_rel_oid,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user