Would it be possible for you to adapt the salesforce asynch example to run directly against your scenario to confirm that Teiid is not introducing anything unexpected?

Implement Salesforce Bulk API for SELECTS to Salesforce Connector ----------------------------------------------------------------- Key: TEIID-4284 URL: https://issues.jboss.org/browse/TEIID-4284 Project: Teiid Issue Type: Feature Request Components: Salesforce Connector Affects Versions: 8.13.5 Environment: With Salesforce datasource Reporter: sameer P Assignee: Steven Hawkins Fix For: 9.1 There is some huge data (many GBs) in the Salesforce which has around 1.5 million rows and doing some simple select * on it fails with QUERY_TIMEOUT. The salesforce guys suggested to try Bulk API for select with PK chunking as stated in https://developer.salesforce.com/docs/atlas.en-us.api_asynch.meta/api_asy... .