diff --git a/doc/src/sgml/catalogs.sgml b/doc/src/sgml/catalogs.sgml
index 6d06ad22b92..8aebc4d12f4 100644
--- a/doc/src/sgml/catalogs.sgml
+++ b/doc/src/sgml/catalogs.sgml
@@ -1236,6 +1236,15 @@
+
+
+ attalign char
+
+
+ A copy of pg_type.typalign of this column's type
+
+
+
attstorage char
@@ -1249,10 +1258,13 @@
- attalign char
+ attcompression char
- A copy of pg_type.typalign of this column's type
+ The current compression method of the column. If it is an invalid
+ compression method ('\0') then column data will not
+ be compressed. Otherwise, 'p' = pglz compression or
+ 'l' = LZ4 compression.
@@ -1355,18 +1367,6 @@
-
-
- attcompression char
-
-
- The current compression method of the column. If it is an invalid
- compression method ('\0') then column data will not
- be compressed. Otherwise, 'p' = pglz compression or
- 'l' = LZ4 compression.
-
-
-
attacl aclitem[]
diff --git a/src/backend/access/common/tupdesc.c b/src/backend/access/common/tupdesc.c
index ffb275afbee..affbc509bdc 100644
--- a/src/backend/access/common/tupdesc.c
+++ b/src/backend/access/common/tupdesc.c
@@ -424,7 +424,8 @@ equalTupleDescs(TupleDesc tupdesc1, TupleDesc tupdesc2)
* general it seems safer to check them always.
*
* attcacheoff must NOT be checked since it's possibly not set in both
- * copies.
+ * copies. We also intentionally ignore atthasmissing, since that's
+ * not very relevant in tupdescs, which lack the attmissingval field.
*/
if (strcmp(NameStr(attr1->attname), NameStr(attr2->attname)) != 0)
return false;
@@ -440,9 +441,11 @@ equalTupleDescs(TupleDesc tupdesc1, TupleDesc tupdesc2)
return false;
if (attr1->attbyval != attr2->attbyval)
return false;
+ if (attr1->attalign != attr2->attalign)
+ return false;
if (attr1->attstorage != attr2->attstorage)
return false;
- if (attr1->attalign != attr2->attalign)
+ if (attr1->attcompression != attr2->attcompression)
return false;
if (attr1->attnotnull != attr2->attnotnull)
return false;
@@ -460,7 +463,7 @@ equalTupleDescs(TupleDesc tupdesc1, TupleDesc tupdesc2)
return false;
if (attr1->attcollation != attr2->attcollation)
return false;
- /* attacl, attoptions and attfdwoptions are not even present... */
+ /* variable-length fields are not even present... */
}
if (tupdesc1->constr != NULL)
@@ -639,12 +642,11 @@ TupleDescInitEntry(TupleDesc desc,
att->attbyval = typeForm->typbyval;
att->attalign = typeForm->typalign;
att->attstorage = typeForm->typstorage;
- att->attcollation = typeForm->typcollation;
-
if (IsStorageCompressible(typeForm->typstorage))
att->attcompression = GetDefaultToastCompression();
else
att->attcompression = InvalidCompressionMethod;
+ att->attcollation = typeForm->typcollation;
ReleaseSysCache(tuple);
}
@@ -709,6 +711,7 @@ TupleDescInitBuiltinEntry(TupleDesc desc,
att->attbyval = false;
att->attalign = TYPALIGN_INT;
att->attstorage = TYPSTORAGE_EXTENDED;
+ att->attcompression = GetDefaultToastCompression();
att->attcollation = DEFAULT_COLLATION_OID;
break;
@@ -717,6 +720,7 @@ TupleDescInitBuiltinEntry(TupleDesc desc,
att->attbyval = true;
att->attalign = TYPALIGN_CHAR;
att->attstorage = TYPSTORAGE_PLAIN;
+ att->attcompression = InvalidCompressionMethod;
att->attcollation = InvalidOid;
break;
@@ -725,6 +729,7 @@ TupleDescInitBuiltinEntry(TupleDesc desc,
att->attbyval = true;
att->attalign = TYPALIGN_INT;
att->attstorage = TYPSTORAGE_PLAIN;
+ att->attcompression = InvalidCompressionMethod;
att->attcollation = InvalidOid;
break;
@@ -733,6 +738,7 @@ TupleDescInitBuiltinEntry(TupleDesc desc,
att->attbyval = FLOAT8PASSBYVAL;
att->attalign = TYPALIGN_DOUBLE;
att->attstorage = TYPSTORAGE_PLAIN;
+ att->attcompression = InvalidCompressionMethod;
att->attcollation = InvalidOid;
break;
diff --git a/src/backend/access/spgist/spgutils.c b/src/backend/access/spgist/spgutils.c
index 8d99c9b7626..9ff280a2526 100644
--- a/src/backend/access/spgist/spgutils.c
+++ b/src/backend/access/spgist/spgutils.c
@@ -165,8 +165,8 @@ fillTypeDesc(SpGistTypeDesc *desc, Oid type)
typtup = (Form_pg_type) GETSTRUCT(tp);
desc->attlen = typtup->typlen;
desc->attbyval = typtup->typbyval;
- desc->attstorage = typtup->typstorage;
desc->attalign = typtup->typalign;
+ desc->attstorage = typtup->typstorage;
ReleaseSysCache(tp);
}
@@ -304,8 +304,8 @@ getSpGistTupleDesc(Relation index, SpGistTypeDesc *keyType)
att->attalign = keyType->attalign;
att->attstorage = keyType->attstorage;
/* We shouldn't need to bother with making these valid: */
- att->attcollation = InvalidOid;
att->attcompression = InvalidCompressionMethod;
+ att->attcollation = InvalidOid;
/* In case we changed typlen, we'd better reset following offsets */
for (int i = spgFirstIncludeColumn; i < outTupDesc->natts; i++)
TupleDescAttr(outTupDesc, i)->attcacheoff = -1;
diff --git a/src/backend/bootstrap/bootstrap.c b/src/backend/bootstrap/bootstrap.c
index b1552374884..62abd008ccf 100644
--- a/src/backend/bootstrap/bootstrap.c
+++ b/src/backend/bootstrap/bootstrap.c
@@ -699,8 +699,8 @@ DefineAttr(char *name, char *type, int attnum, int nullness)
attrtypes[attnum]->atttypid = Ap->am_oid;
attrtypes[attnum]->attlen = Ap->am_typ.typlen;
attrtypes[attnum]->attbyval = Ap->am_typ.typbyval;
- attrtypes[attnum]->attstorage = Ap->am_typ.typstorage;
attrtypes[attnum]->attalign = Ap->am_typ.typalign;
+ attrtypes[attnum]->attstorage = Ap->am_typ.typstorage;
attrtypes[attnum]->attcollation = Ap->am_typ.typcollation;
/* if an array type, assume 1-dimensional attribute */
if (Ap->am_typ.typelem != InvalidOid && Ap->am_typ.typlen < 0)
@@ -713,8 +713,8 @@ DefineAttr(char *name, char *type, int attnum, int nullness)
attrtypes[attnum]->atttypid = TypInfo[typeoid].oid;
attrtypes[attnum]->attlen = TypInfo[typeoid].len;
attrtypes[attnum]->attbyval = TypInfo[typeoid].byval;
- attrtypes[attnum]->attstorage = TypInfo[typeoid].storage;
attrtypes[attnum]->attalign = TypInfo[typeoid].align;
+ attrtypes[attnum]->attstorage = TypInfo[typeoid].storage;
attrtypes[attnum]->attcollation = TypInfo[typeoid].collation;
/* if an array type, assume 1-dimensional attribute */
if (TypInfo[typeoid].elem != InvalidOid &&
@@ -724,6 +724,11 @@ DefineAttr(char *name, char *type, int attnum, int nullness)
attrtypes[attnum]->attndims = 0;
}
+ if (IsStorageCompressible(attrtypes[attnum]->attstorage))
+ attrtypes[attnum]->attcompression = GetDefaultToastCompression();
+ else
+ attrtypes[attnum]->attcompression = InvalidCompressionMethod;
+
/*
* If a system catalog column is collation-aware, force it to use C
* collation, so that its behavior is independent of the database's
@@ -737,10 +742,6 @@ DefineAttr(char *name, char *type, int attnum, int nullness)
attrtypes[attnum]->attcacheoff = -1;
attrtypes[attnum]->atttypmod = -1;
attrtypes[attnum]->attislocal = true;
- if (IsStorageCompressible(attrtypes[attnum]->attstorage))
- attrtypes[attnum]->attcompression = GetDefaultToastCompression();
- else
- attrtypes[attnum]->attcompression = InvalidCompressionMethod;
if (nullness == BOOTCOL_NULL_FORCE_NOT_NULL)
{
diff --git a/src/backend/catalog/genbki.pl b/src/backend/catalog/genbki.pl
index 63a907d50d5..112b3affdfd 100644
--- a/src/backend/catalog/genbki.pl
+++ b/src/backend/catalog/genbki.pl
@@ -897,8 +897,11 @@ sub morph_row_for_pgattr
$row->{atttypid} = $type->{oid};
$row->{attlen} = $type->{typlen};
$row->{attbyval} = $type->{typbyval};
- $row->{attstorage} = $type->{typstorage};
$row->{attalign} = $type->{typalign};
+ $row->{attstorage} = $type->{typstorage};
+
+ $row->{attcompression} =
+ $type->{typstorage} ne 'p' && $type->{typstorage} ne 'e' ? 'p' : '\0';
# set attndims if it's an array type
$row->{attndims} = $type->{typcategory} eq 'A' ? '1' : '0';
@@ -907,9 +910,6 @@ sub morph_row_for_pgattr
$row->{attcollation} =
$type->{typcollation} ne '0' ? $C_COLLATION_OID : 0;
- $row->{attcompression} =
- $type->{typstorage} ne 'p' && $type->{typstorage} ne 'e' ? 'p' : '\0';
-
if (defined $attr->{forcenotnull})
{
$row->{attnotnull} = 't';
diff --git a/src/backend/catalog/heap.c b/src/backend/catalog/heap.c
index ba3e1ecf459..3dfe2e8a565 100644
--- a/src/backend/catalog/heap.c
+++ b/src/backend/catalog/heap.c
@@ -146,7 +146,8 @@ static Node *cookConstraint(ParseState *pstate,
/*
* The initializers below do not include trailing variable length fields,
* but that's OK - we're never going to reference anything beyond the
- * fixed-size portion of the structure anyway.
+ * fixed-size portion of the structure anyway. Fields that can default
+ * to zeroes are also not mentioned.
*/
static const FormData_pg_attribute a1 = {
@@ -157,8 +158,8 @@ static const FormData_pg_attribute a1 = {
.attcacheoff = -1,
.atttypmod = -1,
.attbyval = false,
- .attstorage = TYPSTORAGE_PLAIN,
.attalign = TYPALIGN_SHORT,
+ .attstorage = TYPSTORAGE_PLAIN,
.attnotnull = true,
.attislocal = true,
};
@@ -171,8 +172,8 @@ static const FormData_pg_attribute a2 = {
.attcacheoff = -1,
.atttypmod = -1,
.attbyval = true,
- .attstorage = TYPSTORAGE_PLAIN,
.attalign = TYPALIGN_INT,
+ .attstorage = TYPSTORAGE_PLAIN,
.attnotnull = true,
.attislocal = true,
};
@@ -185,8 +186,8 @@ static const FormData_pg_attribute a3 = {
.attcacheoff = -1,
.atttypmod = -1,
.attbyval = true,
- .attstorage = TYPSTORAGE_PLAIN,
.attalign = TYPALIGN_INT,
+ .attstorage = TYPSTORAGE_PLAIN,
.attnotnull = true,
.attislocal = true,
};
@@ -199,8 +200,8 @@ static const FormData_pg_attribute a4 = {
.attcacheoff = -1,
.atttypmod = -1,
.attbyval = true,
- .attstorage = TYPSTORAGE_PLAIN,
.attalign = TYPALIGN_INT,
+ .attstorage = TYPSTORAGE_PLAIN,
.attnotnull = true,
.attislocal = true,
};
@@ -213,8 +214,8 @@ static const FormData_pg_attribute a5 = {
.attcacheoff = -1,
.atttypmod = -1,
.attbyval = true,
- .attstorage = TYPSTORAGE_PLAIN,
.attalign = TYPALIGN_INT,
+ .attstorage = TYPSTORAGE_PLAIN,
.attnotnull = true,
.attislocal = true,
};
@@ -233,8 +234,8 @@ static const FormData_pg_attribute a6 = {
.attcacheoff = -1,
.atttypmod = -1,
.attbyval = true,
- .attstorage = TYPSTORAGE_PLAIN,
.attalign = TYPALIGN_INT,
+ .attstorage = TYPSTORAGE_PLAIN,
.attnotnull = true,
.attislocal = true,
};
@@ -779,8 +780,9 @@ InsertPgAttributeTuples(Relation pg_attribute_rel,
slot[slotCount]->tts_values[Anum_pg_attribute_attcacheoff - 1] = Int32GetDatum(-1);
slot[slotCount]->tts_values[Anum_pg_attribute_atttypmod - 1] = Int32GetDatum(attrs->atttypmod);
slot[slotCount]->tts_values[Anum_pg_attribute_attbyval - 1] = BoolGetDatum(attrs->attbyval);
- slot[slotCount]->tts_values[Anum_pg_attribute_attstorage - 1] = CharGetDatum(attrs->attstorage);
slot[slotCount]->tts_values[Anum_pg_attribute_attalign - 1] = CharGetDatum(attrs->attalign);
+ slot[slotCount]->tts_values[Anum_pg_attribute_attstorage - 1] = CharGetDatum(attrs->attstorage);
+ slot[slotCount]->tts_values[Anum_pg_attribute_attcompression - 1] = CharGetDatum(attrs->attcompression);
slot[slotCount]->tts_values[Anum_pg_attribute_attnotnull - 1] = BoolGetDatum(attrs->attnotnull);
slot[slotCount]->tts_values[Anum_pg_attribute_atthasdef - 1] = BoolGetDatum(attrs->atthasdef);
slot[slotCount]->tts_values[Anum_pg_attribute_atthasmissing - 1] = BoolGetDatum(attrs->atthasmissing);
@@ -790,7 +792,6 @@ InsertPgAttributeTuples(Relation pg_attribute_rel,
slot[slotCount]->tts_values[Anum_pg_attribute_attislocal - 1] = BoolGetDatum(attrs->attislocal);
slot[slotCount]->tts_values[Anum_pg_attribute_attinhcount - 1] = Int32GetDatum(attrs->attinhcount);
slot[slotCount]->tts_values[Anum_pg_attribute_attcollation - 1] = ObjectIdGetDatum(attrs->attcollation);
- slot[slotCount]->tts_values[Anum_pg_attribute_attcompression - 1] = CharGetDatum(attrs->attcompression);
if (attoptions && attoptions[natts] != (Datum) 0)
slot[slotCount]->tts_values[Anum_pg_attribute_attoptions - 1] = attoptions[natts];
else
diff --git a/src/backend/catalog/index.c b/src/backend/catalog/index.c
index 0f8cfae4ec9..50b7a16bce9 100644
--- a/src/backend/catalog/index.c
+++ b/src/backend/catalog/index.c
@@ -345,8 +345,8 @@ ConstructTupleDescriptor(Relation heapRelation,
to->attndims = from->attndims;
to->atttypmod = from->atttypmod;
to->attbyval = from->attbyval;
- to->attstorage = from->attstorage;
to->attalign = from->attalign;
+ to->attstorage = from->attstorage;
to->attcompression = from->attcompression;
}
else
@@ -373,16 +373,16 @@ ConstructTupleDescriptor(Relation heapRelation,
*/
to->atttypid = keyType;
to->attlen = typeTup->typlen;
- to->attbyval = typeTup->typbyval;
- to->attstorage = typeTup->typstorage;
- to->attalign = typeTup->typalign;
to->atttypmod = exprTypmod(indexkey);
+ to->attbyval = typeTup->typbyval;
+ to->attalign = typeTup->typalign;
+ to->attstorage = typeTup->typstorage;
/*
* For expression columns, set attcompression invalid, since
* there's no table column from which to copy the value. Whenever
* we actually need to compress a value, we'll use whatever the
- * current value of default_compression_method is at that point in
+ * current value of default_toast_compression is at that point in
* time.
*/
to->attcompression = InvalidCompressionMethod;
@@ -464,6 +464,8 @@ ConstructTupleDescriptor(Relation heapRelation,
to->attbyval = typeTup->typbyval;
to->attalign = typeTup->typalign;
to->attstorage = typeTup->typstorage;
+ /* As above, use the default compression method in this case */
+ to->attcompression = InvalidCompressionMethod;
ReleaseSysCache(tuple);
}
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index 85dcc330638..11e91c4ad33 100644
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -2640,8 +2640,8 @@ MergeAttributes(List *schema, List *supers, char relpersistence,
def->constraints = NIL;
def->location = -1;
if (CompressionMethodIsValid(attribute->attcompression))
- def->compression = pstrdup(GetCompressionMethodName(
- attribute->attcompression));
+ def->compression =
+ pstrdup(GetCompressionMethodName(attribute->attcompression));
else
def->compression = NULL;
inhSchema = lappend(inhSchema, def);
@@ -6596,12 +6596,19 @@ ATExecAddColumn(List **wqueue, AlteredTableInfo *tab, Relation rel,
attribute.atttypid = typeOid;
attribute.attstattarget = (newattnum > 0) ? -1 : 0;
attribute.attlen = tform->typlen;
- attribute.atttypmod = typmod;
attribute.attnum = newattnum;
- attribute.attbyval = tform->typbyval;
attribute.attndims = list_length(colDef->typeName->arrayBounds);
- attribute.attstorage = tform->typstorage;
+ attribute.atttypmod = typmod;
+ attribute.attbyval = tform->typbyval;
attribute.attalign = tform->typalign;
+ attribute.attstorage = tform->typstorage;
+ /* do not set compression in views etc */
+ if (rel->rd_rel->relkind == RELKIND_RELATION ||
+ rel->rd_rel->relkind == RELKIND_PARTITIONED_TABLE)
+ attribute.attcompression = GetAttributeCompression(&attribute,
+ colDef->compression);
+ else
+ attribute.attcompression = InvalidCompressionMethod;
attribute.attnotnull = colDef->is_not_null;
attribute.atthasdef = false;
attribute.atthasmissing = false;
@@ -6612,17 +6619,6 @@ ATExecAddColumn(List **wqueue, AlteredTableInfo *tab, Relation rel,
attribute.attinhcount = colDef->inhcount;
attribute.attcollation = collOid;
- /*
- * lookup attribute's compression method and store it in the
- * attr->attcompression.
- */
- if (rel->rd_rel->relkind == RELKIND_RELATION ||
- rel->rd_rel->relkind == RELKIND_PARTITIONED_TABLE)
- attribute.attcompression = GetAttributeCompression(&attribute,
- colDef->compression);
- else
- attribute.attcompression = InvalidCompressionMethod;
-
/* attribute.attacl is handled by InsertPgAttributeTuples() */
ReleaseSysCache(typeTuple);
diff --git a/src/include/access/spgist_private.h b/src/include/access/spgist_private.h
index ba3da5b5404..40d3b71b89e 100644
--- a/src/include/access/spgist_private.h
+++ b/src/include/access/spgist_private.h
@@ -137,8 +137,8 @@ typedef struct SpGistTypeDesc
Oid type;
int16 attlen;
bool attbyval;
- char attstorage;
char attalign;
+ char attstorage;
} SpGistTypeDesc;
typedef struct SpGistState
diff --git a/src/include/catalog/catversion.h b/src/include/catalog/catversion.h
index d5385d4c550..958f12e66a1 100644
--- a/src/include/catalog/catversion.h
+++ b/src/include/catalog/catversion.h
@@ -53,6 +53,6 @@
*/
/* yyyymmddN */
-#define CATALOG_VERSION_NO 202105121
+#define CATALOG_VERSION_NO 202105231
#endif
diff --git a/src/include/catalog/pg_attribute.h b/src/include/catalog/pg_attribute.h
index 560f8f00bb3..1e260162146 100644
--- a/src/include/catalog/pg_attribute.h
+++ b/src/include/catalog/pg_attribute.h
@@ -111,6 +111,12 @@ CATALOG(pg_attribute,1249,AttributeRelationId) BKI_BOOTSTRAP BKI_ROWTYPE_OID(75,
*/
bool attbyval;
+ /*
+ * attalign is a copy of the typalign field from pg_type for this
+ * attribute. See atttypid comments above.
+ */
+ char attalign;
+
/*----------
* attstorage tells for VARLENA attributes, what the heap access
* methods can do to it if a given tuple doesn't fit into a page.
@@ -120,10 +126,10 @@ CATALOG(pg_attribute,1249,AttributeRelationId) BKI_BOOTSTRAP BKI_ROWTYPE_OID(75,
char attstorage;
/*
- * attalign is a copy of the typalign field from pg_type for this
- * attribute. See atttypid comments above.
+ * Compression method. Must be InvalidCompressionMethod if and only if
+ * typstorage is 'plain' or 'external'.
*/
- char attalign;
+ char attcompression BKI_DEFAULT('\0');
/* This flag represents the "NOT NULL" constraint */
bool attnotnull;
@@ -160,12 +166,6 @@ CATALOG(pg_attribute,1249,AttributeRelationId) BKI_BOOTSTRAP BKI_ROWTYPE_OID(75,
/* attribute's collation, if any */
Oid attcollation BKI_LOOKUP_OPT(pg_collation);
- /*
- * compression method. Must be InvalidCompressionMethod if and only if
- * typstorage is 'plain' or 'external'.
- */
- char attcompression BKI_DEFAULT('\0');
-
#ifdef CATALOG_VARLEN /* variable-length fields start here */
/* NOTE: The following fields are not present in tuple descriptors. */
@@ -190,10 +190,10 @@ CATALOG(pg_attribute,1249,AttributeRelationId) BKI_BOOTSTRAP BKI_ROWTYPE_OID(75,
* ATTRIBUTE_FIXED_PART_SIZE is the size of the fixed-layout,
* guaranteed-not-null part of a pg_attribute row. This is in fact as much
* of the row as gets copied into tuple descriptors, so don't expect you
- * can access fields beyond attcollation except in a real tuple!
+ * can access the variable-length fields except in a real tuple!
*/
#define ATTRIBUTE_FIXED_PART_SIZE \
- (offsetof(FormData_pg_attribute,attcompression) + sizeof(char))
+ (offsetof(FormData_pg_attribute,attcollation) + sizeof(Oid))
/* ----------------
* Form_pg_attribute corresponds to a pointer to a tuple with