so cosmetic stuff.
<!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/create_table.sgml,v 1.117 2009/10/12 19:49:24 adunstan Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/create_table.sgml,v 1.118 2009/10/13 00:53:07 tgl Exp $
PostgreSQL documentation
-->
</para>
<para>
- Column storage parameters are also copied from parent tables.
+ Column <literal>STORAGE</> settings are also copied from parent tables.
</para>
<!--
specified.
</para>
<para>
- Storage parameters for the copied column definitions will only be copied
- if <literal>INCLUDING STORAGE</literal> is specified. The default
- behavior is to exclude storage parameters, resulting in the copied
- columns in the new table having type-specific default parameters. For
- more on storage parameters, see <xref linkend="storage-toast">.
+ <literal>STORAGE</> settings for the copied column definitions will only
+ be copied if <literal>INCLUDING STORAGE</literal> is specified. The
+ default behavior is to exclude <literal>STORAGE</> settings, resulting
+ in the copied columns in the new table having type-specific default
+ settings. For more on <literal>STORAGE</> settings, see
+ <xref linkend="storage-toast">.
</para>
<para>
- Comments for the copied column, constraint, index and columns of index
- definitions will only be copied if <literal>INCLUDING COMMENTS</literal>
- is specified. The default behavior is to exclude comments, resulting in
- the copied columns and constraints in the new table having no comments.
+ Comments for the copied columns, constraints, and indexes
+ will only be copied if <literal>INCLUDING COMMENTS</literal>
+ is specified. The default behavior is to exclude comments, resulting in
+ the copied columns and constraints in the new table having no comments.
</para>
<para>
<literal>INCLUDING ALL</literal> is an abbreviated form of
<literal>INCLUDING DEFAULTS INCLUDING CONSTRAINTS INCLUDING INDEXES INCLUDING STORAGE INCLUDING COMMENTS</literal>.
</para>
<para>
- Note also that unlike <literal>INHERITS</literal>, copied columns and
- constraints are not merged with similarly named columns and constraints.
+ Note also that unlike <literal>INHERITS</literal>, columns and
+ constraints copied by <literal>LIKE</> are not merged with similarly
+ named columns and constraints.
If the same name is specified explicitly or in another
<literal>LIKE</literal> clause, an error is signalled.
</para>
<para>
Enables or disables the autovacuum daemon on a particular table.
If true, the autovacuum daemon will initiate a <command>VACUUM</> operation
- on a particular table when the number of updated or deleted tuples exceeds
- <literal>autovacuum_vacuum_threshold</> plus
- <literal>autovacuum_vacuum_scale_factor</> times the number of live tuples
+ on a particular table when the number of updated or deleted tuples exceeds
+ <literal>autovacuum_vacuum_threshold</> plus
+ <literal>autovacuum_vacuum_scale_factor</> times the number of live tuples
currently estimated to be in the relation.
Similarly, it will initiate an <command>ANALYZE</> operation when the
number of inserted, updated or deleted tuples exceeds
- <literal>autovacuum_analyze_threshold</> plus
- <literal>autovacuum_analyze_scale_factor</> times the number of live tuples
+ <literal>autovacuum_analyze_threshold</> plus
+ <literal>autovacuum_analyze_scale_factor</> times the number of live tuples
currently estimated to be in the relation.
If false, this table will not be autovacuumed, except to prevent
transaction Id wraparound. See <xref linkend="vacuum-for-wraparound"> for
<listitem>
<para>
Minimum number of updated or deleted tuples before initiate a
- <command>VACUUM</> operation on a particular table.
+ <command>VACUUM</> operation on a particular table.
</para>
</listitem>
</varlistentry>
<para>
Custom <xref linkend="guc-vacuum-freeze-min-age"> parameter. Note that
autovacuum will ignore attempts to set a per-table
- <literal>autovacuum_freeze_min_age</> larger than the half system-wide
+ <literal>autovacuum_freeze_min_age</> larger than the half system-wide
<xref linkend="guc-autovacuum-freeze-max-age"> setting.
</para>
</listitem>
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/access/common/tupdesc.c,v 1.129 2009/10/12 19:49:24 adunstan Exp $
+ * $PostgreSQL: pgsql/src/backend/access/common/tupdesc.c,v 1.130 2009/10/13 00:53:07 tgl Exp $
*
* NOTES
* some of the executor utility code such as "ExecTypeFromTL" should be
TupleDescInitEntry(desc, attnum, attname,
atttypid, atttypmod, attdim);
+ /* Override TupleDescInitEntry's settings as requested */
+ if (entry->storage)
+ desc->attrs[attnum - 1]->attstorage = entry->storage;
+
/* Fill in additional stuff not handled by TupleDescInitEntry */
desc->attrs[attnum - 1]->attnotnull = entry->is_not_null;
has_not_null |= entry->is_not_null;
desc->attrs[attnum - 1]->attislocal = entry->is_local;
desc->attrs[attnum - 1]->attinhcount = entry->inhcount;
- if (entry->storage)
- desc->attrs[attnum - 1]->attstorage = entry->storage;
}
if (has_not_null)
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/catalog/pg_constraint.c,v 1.48 2009/10/12 19:49:24 adunstan Exp $
+ * $PostgreSQL: pgsql/src/backend/catalog/pg_constraint.c,v 1.49 2009/10/13 00:53:07 tgl Exp $
*
*-------------------------------------------------------------------------
*/
/*
* GetConstraintByName
- * Find a constraint with the specified name.
+ * Find a constraint on the specified relation with the specified name.
+ * Returns constraint's OID.
*/
Oid
GetConstraintByName(Oid relid, const char *conname)
ScanKeyInit(&skey[0],
Anum_pg_constraint_conrelid,
- BTEqualStrategyNumber, F_OIDEQ, relid);
+ BTEqualStrategyNumber, F_OIDEQ,
+ ObjectIdGetDatum(relid));
scan = systable_beginscan(pg_constraint, ConstraintRelidIndexId, true,
SnapshotNow, 1, skey);
if (strcmp(NameStr(con->conname), conname) == 0)
{
if (OidIsValid(conOid))
- {
- char *relname = get_rel_name(relid);
ereport(ERROR,
(errcode(ERRCODE_DUPLICATE_OBJECT),
- errmsg("table \"%s\" has multiple constraints named \"%s\"",
- (relname ? relname : "(unknown)"), conname)));
- }
+ errmsg("table \"%s\" has multiple constraints named \"%s\"",
+ get_rel_name(relid), conname)));
conOid = HeapTupleGetOid(tuple);
}
}
systable_endscan(scan);
- /* If no constraint exists for the relation specified, notify user */
+ /* If no such constraint exists, complain */
if (!OidIsValid(conOid))
- {
- char *relname = get_rel_name(relid);
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("constraint \"%s\" for table \"%s\" does not exist",
- conname, (relname ? relname : "(unknown)"))));
- }
+ conname, get_rel_name(relid))));
heap_close(pg_constraint, AccessShareLock);
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/commands/sequence.c,v 1.161 2009/07/16 06:33:42 petere Exp $
+ * $PostgreSQL: pgsql/src/backend/commands/sequence.c,v 1.162 2009/10/13 00:53:07 tgl Exp $
*
*-------------------------------------------------------------------------
*/
coldef->inhcount = 0;
coldef->is_local = true;
coldef->is_not_null = true;
+ coldef->storage = 0;
coldef->raw_default = NULL;
coldef->cooked_default = NULL;
coldef->constraints = NIL;
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.302 2009/10/12 19:49:24 adunstan Exp $
+ * $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.303 2009/10/13 00:53:07 tgl Exp $
*
*-------------------------------------------------------------------------
*/
static void ATExecDropInherit(Relation rel, RangeVar *parent);
static void copy_relation_data(SMgrRelation rel, SMgrRelation dst,
ForkNumber forkNum, bool istemp);
-static const char * storage_name(char c);
+static const char *storage_name(char c);
/* ----------------------------------------------------------------
CheckTableNotInUse(rel, "TRUNCATE");
}
-
-/*----------------
+/*
* storage_name
- * returns a name corresponding to a storage enum value
- * For use in error messages
+ * returns the name corresponding to a typstorage/attstorage enum value
*/
static const char *
storage_name(char c)
{
switch (c)
{
- case 'p': return "PLAIN";
- case 'm': return "MAIN";
- case 'x': return "EXTENDED";
- case 'e': return "EXTERNAL";
- default: return "???";
+ case 'p':
+ return "PLAIN";
+ case 'm':
+ return "MAIN";
+ case 'x':
+ return "EXTENDED";
+ case 'e':
+ return "EXTERNAL";
+ default:
+ return "???";
}
}
List *constraints = NIL;
int parentsWithOids = 0;
bool have_bogus_defaults = false;
- bool have_bogus_comments = false;
int child_attno;
static Node bogus_marker = { 0 }; /* marks conflicting defaults */
(errcode(ERRCODE_DATATYPE_MISMATCH),
errmsg("inherited column \"%s\" has a storage parameter conflict",
attributeName),
- errdetail("%s versus %s", storage_name(def->storage),
+ errdetail("%s versus %s",
+ storage_name(def->storage),
storage_name(attribute->attstorage))));
def->inhcount++;
def->inhcount = 1;
def->is_local = false;
def->is_not_null = attribute->attnotnull;
+ def->storage = attribute->attstorage;
def->raw_default = NULL;
def->cooked_default = NULL;
def->constraints = NIL;
- def->storage = attribute->attstorage;
inhSchema = lappend(inhSchema, def);
newattno[parent_attno - 1] = ++child_attno;
}
(errcode(ERRCODE_DATATYPE_MISMATCH),
errmsg("column \"%s\" has a storage parameter conflict",
attributeName),
- errdetail("%s versus %s", storage_name(def->storage),
+ errdetail("%s versus %s",
+ storage_name(def->storage),
storage_name(newdef->storage))));
/* Mark the column as locally defined */
}
}
- /* Raise an error if we found conflicting comments. */
- if (have_bogus_comments)
- {
- foreach(entry, schema)
- {
- ColumnDef *def = lfirst(entry);
-
- if (def->cooked_default == &bogus_marker)
- ereport(ERROR,
- (errcode(ERRCODE_INVALID_COLUMN_DEFINITION),
- errmsg("column \"%s\" inherits conflicting comments", def->colname)));
- }
- }
-
*supOids = parentOids;
*supconstr = constraints;
*supOidCount = parentsWithOids;
cdef->inhcount = 0;
cdef->is_local = true;
cdef->is_not_null = true;
+ cdef->storage = 0;
cmd->def = (Node *) cdef;
}
ATPrepAddColumn(wqueue, rel, recurse, cmd);
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/commands/view.c,v 1.117 2009/07/16 06:33:42 petere Exp $
+ * $PostgreSQL: pgsql/src/backend/commands/view.c,v 1.118 2009/10/13 00:53:07 tgl Exp $
*
*-------------------------------------------------------------------------
*/
def->inhcount = 0;
def->is_local = true;
def->is_not_null = false;
+ def->storage = 0;
def->raw_default = NULL;
def->cooked_default = NULL;
def->constraints = NIL;
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/nodes/copyfuncs.c,v 1.446 2009/10/12 20:39:39 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/nodes/copyfuncs.c,v 1.447 2009/10/13 00:53:08 tgl Exp $
*
*-------------------------------------------------------------------------
*/
COPY_SCALAR_FIELD(inhcount);
COPY_SCALAR_FIELD(is_local);
COPY_SCALAR_FIELD(is_not_null);
+ COPY_SCALAR_FIELD(storage);
COPY_NODE_FIELD(raw_default);
COPY_NODE_FIELD(cooked_default);
COPY_NODE_FIELD(constraints);
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/nodes/equalfuncs.c,v 1.368 2009/10/12 20:39:40 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/nodes/equalfuncs.c,v 1.369 2009/10/13 00:53:08 tgl Exp $
*
*-------------------------------------------------------------------------
*/
COMPARE_SCALAR_FIELD(inhcount);
COMPARE_SCALAR_FIELD(is_local);
COMPARE_SCALAR_FIELD(is_not_null);
+ COMPARE_SCALAR_FIELD(storage);
COMPARE_NODE_FIELD(raw_default);
COMPARE_NODE_FIELD(cooked_default);
COMPARE_NODE_FIELD(constraints);
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.368 2009/10/12 18:10:45 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.369 2009/10/13 00:53:08 tgl Exp $
*
* NOTES
* Every node type that can appear in stored rules' parsetrees *must*
WRITE_INT_FIELD(inhcount);
WRITE_BOOL_FIELD(is_local);
WRITE_BOOL_FIELD(is_not_null);
+ WRITE_INT_FIELD(storage);
WRITE_NODE_FIELD(raw_default);
WRITE_NODE_FIELD(cooked_default);
WRITE_NODE_FIELD(constraints);
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/backend/parser/parse_utilcmd.c,v 2.27 2009/10/12 19:49:24 adunstan Exp $
+ * $PostgreSQL: pgsql/src/backend/parser/parse_utilcmd.c,v 2.28 2009/10/13 00:53:08 tgl Exp $
*
*-------------------------------------------------------------------------
*/
/* Likewise, copy storage if requested */
if (inhRelation->options & CREATE_TABLE_LIKE_STORAGE)
def->storage = attribute->attstorage;
+ else
+ def->storage = 0;
/* Likewise, copy comment if requested */
if ((inhRelation->options & CREATE_TABLE_LIKE_COMMENTS) &&
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.408 2009/10/12 20:39:42 tgl Exp $
+ * $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.409 2009/10/13 00:53:08 tgl Exp $
*
*-------------------------------------------------------------------------
*/
int inhcount; /* number of times column is inherited */
bool is_local; /* column has local (non-inherited) def'n */
bool is_not_null; /* NOT NULL constraint specified? */
- char storage; /* storage parameter of column */
+ char storage; /* attstorage setting, or 0 for default */
Node *raw_default; /* default value (untransformed parse tree) */
Node *cooked_default; /* default value (transformed expr tree) */
List *constraints; /* other constraints on column */
} ColumnDef;
/*
- * inhRelation - Relations a CREATE TABLE is to inherit attributes of
+ * inhRelation - Relation a CREATE TABLE is to inherit attributes of
*/
typedef struct InhRelation
{
NodeTag type;
RangeVar *relation;
- bits32 options; /* bitmap of CreateStmtLikeOption */
+ bits32 options; /* OR of CreateStmtLikeOption flags */
} InhRelation;
typedef enum CreateStmtLikeOption
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