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-rw-r--r--src/backend/access/common/tupdesc.c4
-rw-r--r--src/backend/commands/tablecmds.c14
-rw-r--r--src/backend/utils/adt/selfuncs.c4
3 files changed, 9 insertions, 13 deletions
diff --git a/src/backend/access/common/tupdesc.c b/src/backend/access/common/tupdesc.c
index 1e743d7d86e..30c30cf3a2e 100644
--- a/src/backend/access/common/tupdesc.c
+++ b/src/backend/access/common/tupdesc.c
@@ -786,9 +786,7 @@ TupleDescInitEntryCollation(TupleDesc desc,
*
* Given a relation schema (list of ColumnDef nodes), build a TupleDesc.
*
- * Note: the default assumption is no OIDs; caller may modify the returned
- * TupleDesc if it wants OIDs. Also, tdtypeid will need to be filled in
- * later on.
+ * Note: tdtypeid will need to be filled in later on.
*/
TupleDesc
BuildDescForRelation(List *schema)
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index 2ab02e01a02..f79044f39fc 100644
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -4829,12 +4829,11 @@ ATRewriteTables(AlterTableStmt *parsetree, List **wqueue, LOCKMODE lockmode,
continue;
/*
- * If we change column data types or add/remove OIDs, the operation
- * has to be propagated to tables that use this table's rowtype as a
- * column type. tab->newvals will also be non-NULL in the case where
- * we're adding a column with a default. We choose to forbid that
- * case as well, since composite types might eventually support
- * defaults.
+ * If we change column data types, the operation has to be propagated
+ * to tables that use this table's rowtype as a column type.
+ * tab->newvals will also be non-NULL in the case where we're adding a
+ * column with a default. We choose to forbid that case as well,
+ * since composite types might eventually support defaults.
*
* (Eventually we'll probably need to check for composite type
* dependencies even when we're just scanning the table without a
@@ -4853,8 +4852,7 @@ ATRewriteTables(AlterTableStmt *parsetree, List **wqueue, LOCKMODE lockmode,
/*
* We only need to rewrite the table if at least one column needs to
- * be recomputed, we are adding/removing the OID column, or we are
- * changing its persistence.
+ * be recomputed, or we are changing its persistence.
*
* There are two reasons for requiring a rewrite when changing
* persistence: on one hand, we need to ensure that the buffers
diff --git a/src/backend/utils/adt/selfuncs.c b/src/backend/utils/adt/selfuncs.c
index 0f02f32ffd5..be08eb48148 100644
--- a/src/backend/utils/adt/selfuncs.c
+++ b/src/backend/utils/adt/selfuncs.c
@@ -4018,8 +4018,8 @@ estimate_multivariate_ndistinct(PlannerInfo *root, RelOptInfo *rel,
* to be treated separately.
*
* The several datatypes representing absolute times are all converted
- * to Timestamp, which is actually a double, and then we just use that
- * double value. Note this will give correct results even for the "special"
+ * to Timestamp, which is actually an int64, and then we promote that to
+ * a double. Note this will give correct results even for the "special"
* values of Timestamp, since those are chosen to compare correctly;
* see timestamp_cmp.
*