postgresql create procedure

Tags: PostgreSQL stored procedure dataset function UbuntuHere is an example that demonstrates how the PostgreSQL stored procedure returns a dataset.1 Prepare the Data sheet firstALTER TABLE member add Onaccount int;alter table member add store_name text;2 Inserting test dataInsert into Member_category (name, discount_r

provide complete procedure.DROP FUNCTION IF EXISTS syncref (); CREATE OR REPLACE FUNCTION syncref () RETURNS void As$body$declare r record;sqlstr Text: = ' SELECT id,regexp_split_to_table (Refids, ', ') as RefId from TableA where "Length" (refids) > 0; '; Begindelete from TableB; For R in EXECUTE sqlstr loopif ("Length" (R.refid) > 0 and R.refid! = ', ') Theninsert into TableB (id,ref_id) VALUES (r.id,c AST (R.refid as BIGINT)); END IF; END LOOP; RET

Here is an example to illustrate how the PostgreSQL stored procedure returns a dataset. 1. Prepare data table First Copy Code code as follows: Member_category CREATE TABLE Member_category (ID serial, name text, Discount_rate real, base_integral integer); ALTER TABLE Member_category add primary key (ID); ALTER TABLE member_category Add check

PostgreSql Procedure copy split string to table, postgresqlsplit In my scenario, there is a table with a field storing data using split string. Although Hibernate provides org. hibernate. annotations. Type annotations, You can implement org. hibernate. usertype. UserType to convert the result data, but it is not convenient to use. I replaced this data with a mapping table. Of course, there is no problem w

|| '_result'; END; $$ LANGUAGE plpgsql;2.2 Case 2: Return case without an expressionIf you declare a function to return void, a return statement can be used to exit the function prematurely, but do not write an expression after return. CREATE OR REPLACE FUNCTIONGetreturn (in_col1int) RETURNSvoid as $$ BEGIN ifIn_col1> 0 ThenRAISE NOTICE'There is%', In_col1; Else return; End if; END; $$ LANGUAGE plpgsql;3. RETURN Next command syntax:RETURN N

In the help of access itself, I saw the create procedure statement. After testing for a long time, I finally found out that the create procedure statement can be used only when the oledb connection is used. ODBC connection does not support this statement, and the create tabl

=Passwordte andState=1Loopreturn Nextuser_list;EndLoop;End; $BODY $ LANGUAGE plpgsql VOLATILE Cost -; There is also a direct select, which is not posted here, after the success of the decision to directly use the SELECT statement on the line, no return value. We need to add a parameter back to the judging situation, so I use the out output here, is also more flexible. The output parameter prefix plus T is because the PSQL version variable I'm using is not conflicting. --output parameter usage

, and if you want to represent% itself in format, you can use a percentage of percent, as shown in the following example:RAISE NOTICE ' calling cs_create_job (%) ', the value of the V_JOB_ID;--V_JOB_ID variable will be replaced by% in format.RAISE EXCEPTION ' inexistent ID---% ', user_id; In simple terms: -- Throw Exception ' you have a problem. The repair! '; -- use SQLERRM to display error messages. '(%)', SQLERRM; See the example below: CREATE

Update NBearLite to v1.0.0.6 beta Fully supports SQL Server, Oracle, MySql, and PostgreSql database Stored Procedure Call code generation (C #/VB. NET) and various parameter types such as input, output, and return. Sub Query is supported. Save able/DataRow is supported. See: http://www.cnblogs.com/teddyma/archive/2007/07/20/825384.html Introduction Use nbearlite.querycolumnsgenerator.exe and specify the tar

What is stored procedure, Baidu Encyclopedia is so defined: the stored procedure (Stored Procedure) is in a large database system, a set of SQL statements in order to complete a specific function, stored in the database after the first compilation and re-call do not need to compile again, The user executes it by specifying the name of the stored

What is stored procedure, Baidu Encyclopedia is so defined: the stored procedure (Stored Procedure) is in a large database system , a set of SQL statements in order to complete a specific function, stored in the database after the first compilation and re-call do not need to compile again, The user executes it by specifying the name of the stored

N-more SQL statements, but their own time, but everywhere is the pit ah, ah, ah!!!!!!!!!!!!!!!Want to write a get the latest ID value in the table.On the CodeCREATE TABLEDepartment (IDINT PRIMARY KEY not NULL, D_codeVARCHAR( -), D_nameVARCHAR( -) not NULL, D_parentidINT not NULL DEFAULT 0); --INSERT INTO department values (1, ' 001 ', ' Office ');--INSERT INTO department values (2, ' 002 ', ' Office ', 1);Here is a stored

Fedora User To the operation of the database, first transfer to Postgres user The first time you want to set a password sudo passwd postgres Switch to this user Su-postgres Database initialization The first time to do initdb/var/lib/pgsql/data/ pg_ctl-d/var/lib/pgsql/data-l logfile Start PS: Built in the home is better, home space generally give a relatively large, I used to encounter PostgreSQL database space is full of problems Initdb/ho

Label:Here is an example that demonstrates how the PostgreSQL stored procedure returns a dataset.1 Prepare the Data sheet firstMember_categoryCREATE TABLE Member_category (ID serial, name text, Discount_rate real, base_integral integer);ALTER TABLE Member_category add primary key (ID);ALTER TABLE member_category Add check (nameMemberCREATE TABLE member (ID serial, member_num text, name text, category_id int