Contents
How are soql and SOSL statements evaluated in apex?
You can evaluate Salesforce Object Query Language (SOQL) or Salesforce Object Search Language (SOSL) statements on-the-fly in Apex by surrounding the statement in square brackets. SOQL statements evaluate to a list of sObjects, a single sObject, or an Integer for count method queries.
What happens if SOSL query does not return any records?
If a SOSL query does not return any records for a specified sObject type, the search results include an empty list for that sObject. In Apex, the value of the FIND clause is demarcated with single quotes.
Are there any limits to soql in Salesforce?
The following example returns the total number of contacts with the last name of Weissman: SOQL limits apply when executing SOQL queries. See Execution Governors and Limits. For a full description of SOQL query syntax, see the Salesforce SOQL and SOSL Reference Guide.
How does SOSL evaluate list of sobjects?
SOSL statements evaluate to a list of lists of sObjects, where each list contains the search results for a particular sObject type. The result lists are always returned in the same order as they were specified in the SOSL query.
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.
What happens when SOSL query does not return result?
The result lists are always returned in the same order as they were specified in the SOSL query. If a SOSL query does not return any records for a specified sObject type, the search results include an empty list for that sObject. In Apex, the value of the FIND clause is demarcated with single quotes.
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:
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.
When to use aggregate functions in soql apex?
AggregateResult is a read-only sObject and is only used for query results. Aggregate functions become a more powerful tool to generate reports when you use them with a GROUP BY clause. For example, you could find the average Amount for all your opportunities by campaign.