stored-functions

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MySQL JOIN Not Using Primary Key When Joining on Result Returned From Function

Description I\'m trying to JOIN a table using the result of a stored function. The stored function returns an unsigned integer, which is the same type as the field I\'m joining against.[详细]

2023-04-08 16:46 分类：问答
Accessing row data from MySQL Stored Function

Given a table with columns like title, firstname and lastname. In MySQL I\'ve created this stored function named fullnam开发者_运维知识库e() which CONCATs given columns and returns it.[详细]

2023-04-05 00:52 分类：问答
Can't create stored function - wrong syntax?

I\'ve got the following Problem. I want to create a stored function which converts an entity_id into the corresponding sku[详细]

2023-04-03 23:26 分类：问答
How do I eval a simple math formula inside a MySQL stored _function_?

Inside my stored function I have : formula := \"(10+10 * 1000)/12\"; (a simple math formula, with numbers only, dynamically created as a string)[详细]

2023-04-03 09:27 分类：问答
Is there a PL/SQL pragma similar to DETERMINISTIC, but for the scope of one single SQL SELECT?

In a SQL SELECT statement, I\'d like to execute a function that is deterministic for the scope of that SELECT statement (or transaction would be ok, too):[详细]

2023-04-01 15:59 分类：问答
Using Select Statement in MySQL Function Call

In the following MySQL stored function call, instead of having to manually type in the lat long coordinates, I\'d like to select a polygon from another table to be tested. I\'m having problems getting[详细]

2023-03-31 10:01 分类：问答
Return array in stored function

I am trying to use the result of a stored function in a WHERE statement in MySQL (5.x), but it fails because in the function I am selecting values from a table into an INT variable and开发者_如何学运维[详细]

2023-03-29 04:03 分类：问答
Stored Functions: How to add multiple varchar together?

I try to get two varchar into one with a mysql Stored Functions? Like with php ($ var1. $ var2) or javascript´s (var1 + var2)[详细]

2023-03-28 08:40 分类：问答
Compute 2,3 quartile average in SQL

I want to write a stored proc in SQL (MySQL) to compute the average of second and third quartiles. In other words I have records for measurements for how long it takes for an URL to load. Records are[详细]

2023-03-26 16:45 分类：问答
Calling stored procedure using value from second stored procedure to produce single result?

I have decided to educate myself on stored procedures in MySQL, but with the syntax being quite different from my usual stomping ground (php/javascript), I was hoping to determine if my understanding[详细]

2023-03-26 04:16 分类：问答