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Bug#39200: optimize table does not recognize ROW_FORMAT=COMPRESSED

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When doing ALTER TABLE, we forgot to point out that we actually have
ROW_FORMAT information (from the original table), so we dropped to
"sensible defaults". This affects both ALTER TABLE and OPTIMIZE TABLE
which may fall back on ALTER TABLE for InnoDB.

We now flag that we do indeed know the row-type, thereby preserving
compression-type etc.

No .test in 5.1 since we'd need a reasonable new plugin from InnoDB to
show this properly; in higher versions, maria can demonstrate this.
This commit is contained in:
Tatiana A. Nurnberg
2009-05-29 16:22:24 +02:00
parent 981ff94d80
commit 7b4c697953
1 changed files with 4 additions and 1 deletions
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5
sql/sql_table.cc
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@@ -5314,7 +5314,7 @@ compare_tables(TABLE *table,
create_info->used_fields & HA_CREATE_USED_ENGINE ||
create_info->used_fields & HA_CREATE_USED_CHARSET ||
create_info->used_fields & HA_CREATE_USED_DEFAULT_CHARSET ||
create_info->used_fields & HA_CREATE_USED_ROW_FORMAT ||
(table->s->row_type != create_info->row_type) ||
create_info->used_fields & HA_CREATE_USED_PACK_KEYS ||
create_info->used_fields & HA_CREATE_USED_MAX_ROWS ||
(alter_info->flags & (ALTER_RECREATE | ALTER_FOREIGN_KEY)) ||
@@ -6307,7 +6307,10 @@ view_err:
}
if (create_info->row_type == ROW_TYPE_NOT_USED)
{
create_info->row_type= table->s->row_type;
create_info->used_fields |= HA_CREATE_USED_ROW_FORMAT;
}
DBUG_PRINT("info", ("old type: %s new type: %s",
ha_resolve_storage_engine_name(old_db_type),