query-builder

Safe Protheus SQL queries with FWExecStatement require parameter binding to prevent SQL injection and ChangeQuery compatibility. You must use prepared bind parameters for all dynamic values and enforce D_E_L_E_T_ and branch filters.

To prevent SQL injection in Protheus Embedded SQL, use parameterized query construction with prepared bind parameters via FWExecStatement instead of string concatenation. This approach ensures user inputs are treated strictly as data values.

Protheus SQL queries miss records or return wrong branches by omitting mandatory D_E_L_E_T_ = ' ' and XX_FILIAL branch filters. Always include these filters in your WHERE clause and use RetSQLName() for physical table naming.

To optimize Protheus SQL queries, align your WHERE clause ordering with SIX index structures and choose between Workarea DbSeek access or FWExecStatement based on whether you need joins, aggregations, or record counting.

Yes, this approach supports complex JOINs, aggregations, inserts, updates, and record counting in TLPP. It ensures proper alias and area handling while generating parameterized FWExecStatement queries or Workarea DbSeek patterns.

Use DbSeek for simple Workarea access aligned to SIX indexes, and use FWExecStatement for complex Protheus SQL requiring JOINs, aggregations, inserts, updates, or record counting. Both require correct alias and area handling.