ApexQueryBuilder

Provides an API wrapper around Salesforce SOQL/SOSL queries. Written in Apex.

Only supports basic query strings currently. Pull requests welcome.

Installation

1. Open Salesforce Developer Console.
2. Go to File > New > Apex Class.
3. Name the new class as QueryBuilder.
4. Copy the contents of QueryBuilder.cls into the new class.
5. Go to File > New > Apex Class again.
6. Name the new class as QueryBuilderTest.
7. Copy the contents of QueryBuilderTest.cls into the new class.
8. Click Run Test to makes sure the tests pass.

Usage

// Build a query:
QueryBuilder query = new QueryBuilder();
query.addSelectField('Id');
query.addSelectField('Name');
QueryBuilder subquery = new QueryBuilder();
subquery.addFromObject('Contacts');
subquery.addSelectField('Name');
query.addSelectField(subquery);
query.addFromObject('Case');
query.addWhereClause('IsActive = true');
query.addSortByField('Name');
query.setSortDESC();

String queryStr = query.getQuery(); 
// Outputs `SELECT Id, Name, (SELECT Name FROM Contacts) FROM Case WHERE IsActive = true SORT BY Name DESC`

See test class for other formats.