SELECT generate_create_table_statement('tablename'); 1. 删除,DROP语句: DROP FUNCTION generate_create_table_statement(p_table_name varchar); 1. 法三:pg_dump表结构 pg_dump -t 'aschema.atable' --schema-only database-name 1. 参考 如何在postgreSQL中为现有表生成"create table“sql语句 - 问答...
CREATE OR REPLACE FUNCTION generate_create_table_statement(p_table_name varchar) RETURNS text AS $BODY$ DECLARE v_table_ddl text; column_record record; BEGIN FOR column_record IN SELECT b.nspname as schema_name, b.relname as table_name, a.attname as column_name, pg_catalog.format_type(a...
是否覆盖同名旧文件名show log_statement;--设置日志记录内容show log_min_duration_statement;--运行XX毫秒的语句会被记录到日志中,-1表示禁用这个功能,0表示记录所有语句,类似mysql的慢查询配置## 用户和权限相关1)创建用户create
INTERNAL - part of table create statement EXTERNAL - ALTER TABLE ADD FOREIGN KEY statement Examplesselect * from public.pg_get_tabledef('myschema','mytable', false); select * from public.pg_get_tabledef('myschema','mytable', false, 'PKEY_EXTERNAL'); select * from public.pg_get_...
CREATE OR REPLACE FUNCTION get_emp_count(p_deptid integer) RETURNS integer AS $$ DECLARE ln_count integer; BEGIN select count(*) into ln_count from employees where department_id = p_deptid; return ln_count; END; $$ LANGUAGE plpgsql; 创建该函数之后,可以像内置函数一样在 SQL 语句中进行调用...
...CREATE EXTENSION pg_walinspect; 这里pg_walinspect函数在PG16 有增强,添加了如下的函数 function pg_get_wal_block_info()...) functions pg_get_wal_records_info(), pg_get_wal_stats() and pg_get_wal_block_info() accept an LSN value...=# select now(),pg_current_wal_lsn(); elect ...
Simple protocol allows to send multi-statement query as single script where statements are delimited by semicolon. pgwire utilizes simple protocol when .query() is called with a string in first argument: await pg.query(` CREATE TABLE foo (a int, b text); INSERT INTO foo VALUES (1, '...
# export type is TABLE, the view will be exported as a create table statement.# If export type is COPY or INSERT, the corresponding data will be exported.#VIEW_AS_TABLE VIEW_NAME # By default Ora2Pg try to order views to avoid error at import time with # nested views. With a hug...
CREATE TABLE IF NOT EXISTS pathman_config_params ( partrel REGCLASS NOT NULL PRIMARY KEY, -- 主表oid enable_parent BOOLEAN NOT NULL DEFAULT TRUE, -- 是否在优化器中过滤主表 auto BOOLEAN NOT NULL DEFAULT TRUE, -- insert时是否自动扩展不存在的分区 init_callback REGPROCEDURE NOT NULL DEFAULT ...
SVL_STATEMENTTEXT SVL_STORED_PROC_CALL SVL_STORED_PROC_MESSAGES SVL_TERMINATE SVL_UDF_LOG SVL_USER_INFO SVL_VACUUM_PERCENTAGE System catalog tables PG_ATTRIBUTE_INFO PG_CLASS_INFO PG_DATABASE_INFO PG_DEFAULT_ACL PG_EXTERNAL_SCHEMA PG_LIBRARY PG_PROC_INFO PG_STATISTIC_INDICATOR PG_TABLE_DEF PG...