– 调用:扩展5个月分区
dw_dat=> select add_partition_month(5);
– 查看表:
dw_dat=> \d+ gw_test_info;
Append-Only Columnar Table “public.gw_test_info”
Column | Type | Modifiers | Storage | Stats target | Compression Type | Compression Level | Block Size
| Description
-------------±----------------------------±----------±--------±-------------±-----------------±------------------±-----------
±------------
id | numeric | not null | main | | zlib | 5 | 32768
|
create_time | timestamp without time zone | not null | plain | | zlib | 5 | 32768
|
Checksum: t
Child tables: gw_test_info_p201803,
gw_test_info_p201804,
gw_test_info_p201805,
gw_test_info_p201806,
gw_test_info_p201807,
gw_test_info_p201808,
gw_test_info_p201809
Distributed by: (id)
Partition by: (create_time)
Options: appendonly=true, orientation=column, compresstype=zlib, compresslevel=5
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