Can you construct a map using soql query?
A very useful feature many people overlook is the ability to construct a Map using a SOQL query. When you run this code, accounts then contains a Map of your Account objects, keyed on Id. The output to the debug log would look similar to this:
How to create a dynamic soql query at run time?
To create a dynamic SOQL query at run time, use the database query method, in one of the following ways. Return a single sObject when the query returns a single record: sObject s = Database.query(string_limit_1); Return a list of sObjects when the query returns more than a single record:
What does it mean to use dynamic soql in apex?
Dynamic SOQL. Dynamic SOQL refers to the creation of a SOQL string at run time with Apex code. Dynamic SOQL enables you to create more flexible applications. For example, you can create a search based on input from an end user or update records with varying field names. To create a dynamic SOQL query at run time,…
What’s the difference between static and dynamic soql?
Dynamic SOQL queries have the same governor limits as static queries. For more information on governor limits, see Execution Governors and Limits. For a full description of SOQL query syntax, see Salesforce Object Query Language (SOQL) in the SOQL and SOSL Reference.
Do you need apes code for soql query?
Normally we get list of records in a SOQL query.Sometime we also need set of id’s or map of record id’s and record or list of record id’s. Apes code for above requirement will be as below:
How to put result of soql query in stack?
First, You try to select users by Id, but when you call Trigger.NewMap.keySet (), you will get set of account Ids, not user (because trigger on account object). Possibly, you want to get all users related to account, so use AccountId in ‘where’ condition.
How to create a map [ string, customobject ]?
If I use Map myMap = new Map ( [Select z.Name, z.Id From CustomObject__c z]); i have a map where the key is my CustomObject.Id and I want it to be CustomObject.Name. For that you have to iterate through the list and keep putting the key and objects.