How are geolocation fields used in soql queries?
If a geocoding service has populated the geolocation field of a standard address, you can also use latitude and longitude values directly from an address. SOQL queries made using the SOAP and REST APIs also support using geolocation fields, including address fields that have a geolocation component, directly in SOQL statements.
How to search for NULL values in soql?
in SOQL Queries. You can search for null values by using the null keyword. Use null to represent null values in SOQL queries. If you run a query on a boolean field, null matches FALSE values. For example, if Test_c is a boolean field, then the following query returns all the account records where Test_c is false:
When does a query return nothing in soql?
2-If you have empty value of this field and comparing to null empty string or null value with Id the query return nothing. query does not have this type of data therefore doesn’t return anything. 3-If you want to return Id, and some other field value whenever Some_Field__c field value is empty or null.
Where do the latitude and longitude values come from in soql?
SOQL supports using simple numeric values for latitude and longitude using the GEOLOCATION function. These values can come from standard numeric fields, user input, calculations, and so on. They can also come from the individual components of a geolocation field, which stores both latitude and longitude in a single logical field.
Can you use compound fields in soql queries?
SOQL queries made using the SOAP and REST APIs also support using geolocation fields, including address fields that have a geolocation component, directly in SOQL statements. This often results in simpler SOQL statements. Compound fields can only be used in SOQL queries made through the SOAP and REST APIs.
What is an example of a location based soql query?
For example: This query finds up to 10 of the warehouses in the custom object Warehouse that are within 20 miles of the geolocation 37.775°, -122.418°, which is San Francisco. The results include the name and address of each warehouse, but not its geocoordinates.
How does Salesforce geolocation work with soql and apex?
That SOQL statement will do the distance calculation for us and return our one contact within a mile tagged for those coordinates (One Market Street in San Francisco): If I flip that lesser than over to a greater than, we get everyone outside of a mile from Salesforce HQ, namely: