Question 1

How do I build a dynamic SOQL query with Query.apex?

Accepted Answer

Start by instantiating a Query object with the SObject name, then chain methods like selectFields(), addConditionEq(), and run() to execute. For example, new Query('Account').selectFields('Name').addConditionLike('Name', '%Sam%').run() fetches accounts with names containing 'Sam'.

Question 2

Query.apex vs other Apex query builders like SOQL Builder: which is better?

Accepted Answer

Query.apex stands out for its automatic security enforcement and fluent API for complex queries, but if you need robust SOSL support immediately, other libraries might be more mature. Evaluate based on your project's need for dynamism versus feature completeness.

Question 3

Can Query.apex prevent SOQL injection?

Accepted Answer

Yes, it automatically escapes string variables in conditions to prevent SOQL injection, and it integrates with Salesforce's security model to check field-level permissions without manual intervention, as highlighted in the security examples.

Question 4

How to handle aggregate queries with GROUP BY in Query.apex?

Accepted Answer

Use methods like count(), max(), or min() along with groupBy() and aggregate() to execute grouped queries. For instance, new Query('Account').selectField('Rating').count('Name').groupBy('Rating').aggregate() returns a list of AggregateResult with counts per rating group.

Question 5

Is Query.apex good for nested conditions and subqueries?

Accepted Answer

Yes, it excels at building complex nested conditions using doAnd() and doOr() methods, and supports subqueries for child relationships, as demonstrated in the examples with semi-joins and nested condition blocks.

Question 6

What are the main limitations of Query.apex?

Accepted Answer

Key limitations include ongoing SOSL feature development, which limits search functionality, and the added abstraction layer that might introduce overhead for trivial queries. It's best suited for dynamic query scenarios where security and complexity are priorities.

Query.apex

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