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| author | Michael Paquier <michael@paquier.xyz> | 2020-06-15 21:18:14 +0900 |
|---|---|---|
| committer | Michael Paquier <michael@paquier.xyz> | 2020-06-15 21:18:14 +0900 |
| commit | 7a3543c2ea23d032865f207c2605942b7a32e9ba (patch) | |
| tree | d4de942adfb9926c00d2a81e9972a5cc965f43ad /src | |
| parent | 3baa7e38d51579b69e1228f3e1a43f56001b6d64 (diff) | |
| download | postgresql-7a3543c2ea23d032865f207c2605942b7a32e9ba.tar.gz postgresql-7a3543c2ea23d032865f207c2605942b7a32e9ba.zip | |
Fix some comments referring to past features
Timestamp can only be an int64 since b9d092c, and support for WITH OIDS
has been removed as of 578b229.
Author: Justin Pryzby
Discussion: https://postgr.es/m/20200612023709.GC14879@telsasoft.com
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/access/common/tupdesc.c | 4 | ||||
| -rw-r--r-- | src/backend/commands/tablecmds.c | 14 | ||||
| -rw-r--r-- | src/backend/utils/adt/selfuncs.c | 4 |
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. * |