atttypmod)AScolumn_datatype,pg_sequence_last_value(seq.oid::regclass)ASlast_sequence_value,TO_CHAR((CASEWHENformat_type(s.seqtypid,NULL)='smallint'THEN(pg_sequence_last_value(seq.relname::regclass)/32767::float)WHENformat_type
ALTER SEQUENCE name RENAME TO new_name ALTER SEQUENCE name SET SCHEMA new_schema 1. 2. 3. 4. 5. 6. 7. 8. 9. 修改序列实例 alter sequence tbl_xulie_id_seq restart with 0; -- ERROR: RESTART value (0) cannot be less than MINVALUE (1) alter sequence tbl_xulie_id_seq restart wi...
本质上它们3个都是序列,因此在 pg_sequences 视图中全都能查到。对于整个实例而言,只要看使用率最高的一个序列即可。 SELECT max( CASE WHEN increment_by<0 THEN round(last_value/min_value*100,4) WHEN increment_by>0 THEN round(last_value/max_value*100,4) ELSE 0 END ) AS pct_seq_used from...
sequenceowner name 序列的拥有者的名称。 data_type regtype 序列的数据类型。 start_value int8 序列的起始值。 min_value int8 序列的最小值。 max_value int8 序列的最大值。 increment_by int8 序列的增量值 cycle bool 序列是否循环。 cache_size int8 序列的缓冲尺寸。 last_value int8 最后一个...
方法2:重置序列 重置前 重置后 新插入数据 如何提前排查序列溢出 --last_value 接近 max_value,表示序列快用完了SELECT*FROMpg_sequenceswherelast_valueisnotnullorderbylast_valuedesc;
--forceowner : Force ora2pg to set tables and sequences owner like in Oracle database. If the value is set to a username this one will be used as the objects owner. By default it's the user used to connect to the Pg database that will be the owner. --nls_lang code: Set the...
procedures/ sequences/ sequence_values/synonyms/ tables/ tablespaces/ ...
Citus是Postgres的开源扩展,将Postgres转换成一个分布式数据库,在集群的多个节点上分发数据和查询,具有像分片、分布式SQL引擎、复制表和分布式表等特性。
Last updated: Friday, 08 April 2022Most Common Topics No Sound / MIDI Driver Setup How do I render MIDI to wave and burn an audio CD?All TopicsNo Sound / MIDI Driver Setup What is MIDI? What is digital audio? How do I enter notation in RealBand? What is the best sequence for ...
- SEQUENCE_VALUES: export DDL to set the last values of sequences Only one type of export can be perform at the same time so the TYPE directive must be unique. If you have more than one only the last found in the file will be registered. Some export type can not or should not be...