CREATE[CONSTRAINT]TRIGGERname{BEFORE|AFTER|INSTEADOF}{event[OR...]}ONtable_name[FROMreferenced_table_name][NOTDEFERRABLE|[DEFERRABLE][INITIALLYIMMEDIATE|INITIALLYDEFERRED]][REFERENCING{{OLD|NEW}TABLE[AS]transit
# 默认为on #backslash_quote = safe_encoding # 这个参数控制字符串文本中的单引号是否能够用\'来表示。首选的 SQL 标准的方法是将其双写(''),但是PostgreSQL在历史上也接受\'。 #default_with_oids = off # 这个参数控制CREATE TABLE和CREATE TABLE AS在既没有指定WITH OIDS也没有指定WITHOUT OIDS的情况下...
CREATE FUNCTION part_trig()RETURNS trigger LANGUAGEplpgsql AS $$ BEGIN BEGIN /* try to create a tableforthe new partition */ EXECUTE format('CREATE TABLE %I (LIKE tab INCLUDING INDEXES)','tab_'||to_char(NEW.ts,'YYYYMMDD')); /* * tell listener to attach the partition *(onlyifa ...
DROP TABLE name [, ...] [ CASCADE | RESTRICT ] DROP TABLESPACE 删除一个表空间。 DROP TABLESPACE tablespace_name DROP TRIGGER 删除一个触发器定义。 DROP TRIGGER name ON table [ CASCADE | RESTRICT ] DROP TYPE 删除一个用户定义数据类型。 DROP TYPE name [, ...] [ CASCADE | RESTRICT ] DROP...
ON [schema.]table_name | [schema.]view_name [REFERENCING {OLD [AS] old | NEW [AS] new| PARENT as parent}] [FOR EACH ROW ] [WHEN condition] PL/SQL_BLOCK | CALL procedure_name; 1. 2. 3. 4. 5. 6. 7. 8. 9. 说明:trigger_name 是触发器的名称; ...
以ExecBRInsertTriggers 为例说明触发过程：Event Trigger 事件触发器支持的事件仅有 ddl_command_start、ddl_command_end、table_rewrite 和 sql_drop 这四类，分别对应四个执行函数，其触发时机说明如下：以 EventTriggerDDLCommandStart 为例说明触发过程：调用功能函数 用户在创建触发器的 EXECUTE { ...
\d[S+] NAME describe table, view, sequence, or index \da[S] [PATTERN] list aggregates \db[+] [PATTERN] list tablespaces \dc[S] [PATTERN] list conversions \dC [PATTERN] list casts \dd[S] [PATTERN] show comments on objects
PostgreSQL版本:PostgreSQL 9.2.2 on x86_64-unknown-linux-gnu, compiled by gcc (GCC) 4.4.6 20120305 (Red Hat 4.4.6-4), 64-bit 三、实现分区 3.1 创建主表 david=# create table tbl_partition ( david(# id integer, david(# name varchar(20), ...
赋予默认权限ALTERDEFAULTPRIVILEGESINSCHEMA abcGRANTselect,insert,update,deleteON TABLESTOabc; 赋予序列权限ALTERDEFAULTPRIVILEGESINSCHEMA abcGRANTALLPRIVILEGESON SEQUENCESTOabc; #用户对db要有连接权限grant connectONDATABASE abctoabc; #用户要对schema usage 权限,不然要select*from schema_name.table,不能用搜...
GRANT { { SELECT | INSERT | UPDATE | DELETE | RULE | REFERENCES | TRIGGER } [,...] | ALL [ PRIVILEGES ] } ON [ TABLE ] table_name [, ...] TO { username | GROUP group_name | PUBLIC } [, ...] [ WITH GRANT OPTION ] GRANT { { CREATE | TEMPORARY | TEMP } [,...] |...