(pg_sequence_last_value(seq.relname::regclass) / 32767::float) WHEN format_type(att.atttypid, NULL) = 'integer' THEN (pg_sequence_last_value(seq.relname::regclass) / 2147483647::float) WHEN format_type(att.atttypid, NULL) = 'bigint' THEN (pg_sequence_last_value(seq.relname::regclas...
一、利用表数据信息查询表和字段信息 (一)从pg_tables中查询表信息 selecttablenamefrompg_tableswhereschemaname='ap'andtablenameSIMILARTO'dwd_[a-z,_]+_[0-9]+' (二)从pg_class和pg_attribute根据指定的表名查询字段信息 SELECTC.relname, A.attnameASNAME, A.attnotnullASNOTNULL, format_type ( A...
(2)查询字段类型及备注(这种表中没有数据查不出来) select a.attnum,a.attname,concat_ws('',t.typname,SUBSTRING(format_type(a.atttypid,a.atttypmod) from '\(.*\)')) as type,d.description,typnotnull from pg_class c,pg_attribute a,pg_type t,pg_description d where c.relname='表名'...
select c.relname 表名,cast(obj_description(relfilenode,'pg_class') as varchar) 名称,a.attname 字段,d.description 字段备注,concat_ws('',t.typname,SUBSTRING(format_type(a.atttypid,a.atttypmod) from '\(.*\)')) as 列类型 from pg_class c,pg_attribute a,pg_type t,pg_description d ...
pg_catalog.format_type(a.atttypid, a.atttypmod) as atttype, (SELECT substring(pg_catalog.pg_get_expr(d.adbin, d.adrelid, true) for 128) FROM pg_catalog.pg_attrdef d WHERE d.adrelid = a.attrelid AND d.adnum = a.attnum AND a.atthasdef) as attdefault, ...
check_type numeric(1,0), check_msg character varying(400) ) server srv_digoal options (nspname 'digoal', relname 'table_digoal'); -- 创建临时工作表, 用于暂缓中间数据 : create table work_table_table_digoal (like table_digoal including all); ...
SELECTn.nspnameASschema,pg_catalog.format_type(t.oid,NULL)ASname,t.typnameASinternal_name,CASEWHENt.typrelid!=0THENCAST('tuple'ASpg_catalog.text)WHENt.typlen<0THENCAST('var'ASpg_catalog.text)ELSECAST(t.typlenASpg_catalog.text)ENDASsize,pg_catalog.array_to_string(ARRAY(SELECTe.enumlabel...
ScaleLeap/pg-format Star17 Code Issues Pull requests A fully typed TypeScript and Node.js implementation of PostgreSQL format() to safely create dynamic SQL queries. SQL identifiers and literals are escaped to help prevent SQL injection.
pg_restore --username=lijiaman --password --host=192.168.10.11 --port=5432 --dbname=db1 --format=custom /home/postgres/pg_backup/db1.dump --verbose --clean (4.3)将之前导出的db1数据库恢复到db2 -- 1.创建db2数据库db1=#createdatabase db2;CREATEDATABASE ...
PG::UndefinedTable: ERROR: relation "users" does not exist LINE 5: WHERE a.attrelid = '"users"'::regclass ^ : SELECT a.attname, format_type(a.atttypid, a.atttypmod), pg_get_expr(d.adbin, d.adrelid), a.attnotnull, a.atttypid, a.atttypmod ...