我尝试更新pg_class以设置表的rel命名空间(模式id),该表需要超级用户帐户,而usecatupd在pg_shadow表中是正确的。但我被拒绝了错误。唯一可以修改pg系统表的帐户是rdsdb。 server=# select * from pg_user; usename | usesysid | usecreatedb | usesuper | usecatupd | passwd | valuntil | 浏览3提问于20...
用户执行select * from table_name limit 10;无反应(超过5分钟). 看起来是数据库繁忙或者锁, 查询系统IO和CPU 都不高, 查询其它表正常. \dt table_name 也会卡住 (其它表正常) 问题原因 查询表相关的锁信息, 发现AccessShareLock 代码语言:sql 复制 select*frompg_locks aawhereaa.relationin(selectoidfromp...
CREATE FUNCTION produce_a_table() RETURNS RECORD AS $$ SELECT 1; $$ LANGUAGE sql; SELECT * FROM produce_a_table() AS s (c1 INT); SELECT * FROM produce_a_table() AS s (c1); SELECT * FROM DBLINK('dbname=mydb', 'SELECT proname, prosrc FROM pg_proc') AS t1; The AS s (c1...
SELECT pp.oid as poid, pp.FROM pg_catalog.pg_proc pp WHERE pp.proname ILIKE '%selec%' AND pp.pronamespace IN (2200,11) ORDER BY pp.proname LIMIT 100 SELECT pc.oid,pc.relname,pc.relnamespace,pc.relkind FROM pg_catalog.pg_class pc WHERE pc.relkind in('r','v','m','f','...
CONTEXT: PL/pgSQL function test_proc() line 3 at SQL statement SQL state: 42601 If I trying to use RETURN QUERY: CREATE OR REPLACE PROCEDURE test_proc() AS $$ BEGIN RETURN QUERY; SELECT * FROM my_db LIMIT 1; END; $$ LANGUAGE plpgsql; I'm getting this error: ERROR: cannot use...
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"SELECT COUNT(*) FROM (SELECT..." not working "SELECT INTO" with indexes? "Simple" SQL to check for alpha or numeric charcters isn't working right "String or binary data would be truncated.\r\nThe statement has been terminated." "String or binary data would be truncated" and field sp...
TupleTableSlot *inputSlot = ExecProcNode(outerPlan); if (TupIsNull(inputSlot)){ /* no more tuples from outerPlan */ /* Make sure we have an entry for this scan id in dynamicTableScanInfo. Normally, this would've been done the first time a partition is selected, but we must ensure...
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ELSE transactionid::text END AS xid_lock, relname, page, tuple, classid, objid, objsubid FROM pg_locks LEFT OUTER JOIN pg_class ON (pg_locks.relation = pg_class.oid) WHERE -- do not show our view’s locks pid != pg_backend_pid();...