When to use Apex code variables in SOSL?

When to use Apex code variables in SOSL?

SOQL and SOSL statements in Apex can reference Apex code variables and expressions if they’re preceded by a colon (:). This use of a local code variable within a SOQL or SOSL statement is called a bind.

How are bind expressions used in apex parser?

The Apex parser first evaluates the local variable in code context before executing the SOQL or SOSL statement. Bind expressions can be used as: The search string in FIND clauses. The filter literals in WHERE clauses.

How to check if soql query returned null?

If you do the single row assignment approach ( userAccount = [Select Name from Account where id=:accountID];) then if the query returns anything other than 1 row, it’ll throw an exception. You should also check that accountID has a value before the soql.

When to use a bind expression in soql?

This use of a local code variable within a SOQL or SOSL statement is called a bind. The Apex parser first evaluates the local variable in code context before executing the SOQL or SOSL statement. Bind expressions can be used as:

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,…

How to resolve large soql queries in apex?

To resolve, use a SOQL query for loop instead, since it can process multiple batches of records by using internal calls to query and queryMore. For example, if the results are too large, this syntax causes a runtime exception: Instead, use a SOQL query for loop as in one of the following examples:

Can you bind variables in Salesforce dynamic soql?

For a full description of SOQL query syntax, see Salesforce Object Query Language (SOQL) in the SOQL and SOSL Reference. You can use simple bind variables in dynamic SOQL query strings. The following is allowed: However, unlike inline SOQL, dynamic SOQL can’t use bind variable fields in the query string.

When to use a local variable in SOSL?

This use of a local code variable within a SOQL or SOSL statement is called a bind. The Apex parser first evaluates the local variable in code context before executing the SOQL or SOSL statement. Bind expressions can be used as: The search string in FIND clauses.

How are reference fields populated in Salesforce apex?

The reference field is only populated as the result of a SOQL or SOSL query (see note). For example, the following Apex code shows how an account and a contact can be associated with one another, and then how the contact can be used to modify a field on the account:

What happens if field access is hidden in apex?

If field access for either LastName or Description is hidden, this query throws an exception indicating insufficient permissions. If field access for Website is hidden, this query throws an exception indicating insufficient permissions.

How to find unused methods and variables in apex?

By scanning the methods and corresponding references in each apex classes symbol table you can find methods that aren’t called by other apex classes. Happily, Andrew Fawcett has already made such a tool as a canvas app. See Spring Cleaning Apex Code with the Tooling API.

How to manage code quality for Force.com apex?

The VillageChief Apex Code Quality tools are the only tool to manage code quality for the Force.com platform. It offers rich visual reporting, lots of metrics, and time-lines to track improvements. The Enterprise version can also be used as a continous integration (CI) tool to continuously run tests on your Force.com Apex unit tests.

How to create a global variable in apex?

Map ProfileOwner = new Map ( [Select p.Id, p.Name from Profile p where Id =: profile.Id]); Error: Compile Error: Invalid bind expression type of Schema.SObjectField for column of type Id