0
votes
1answer
37 views

Proper usage of last_insert_id() in PHP procedure

I have a problem with performing sql query from php script. The query in sql looks like this: INSERT INTO `table1` VALUES (NULL, 'Blah', 'blah', 'blah', 'blah'); SET @lastID = LAST_INSERT_ID(); ...
0
votes
1answer
1k views

Postgres: How to insert row with autoincrement id

There is a Table "context". There is an autoincrement id "context_id". I am using sequence to retrieve the next value. SELECT nextval('context_context_id_seq') The result is: 1, 2, 3,...20.... But ...
3
votes
1answer
3k views

Fixing table structure to avoid `Error: duplicate key value violates unique constraint`

I have a table which is created this way: -- -- Table: #__content -- CREATE TABLE "jos_content" ( "id" serial NOT NULL, "asset_id" bigint DEFAULT 0 NOT NULL, ... "xreference" varchar(50) ...
2
votes
1answer
261 views

Using the auto increment id from one query as the fk of the next insert

I'm not sure if I'm overcomplicating this or whether I can't see the wood for the trees. I have two tables, both have auto incrementing ID's. Table 1: ID - auto field - int other field - varchar ...