Search Results fnd_flex_validation_rules




The FND_FLEX_VALIDATION_RULES table in Oracle E-Business Suite (EBS) 12.1.1 and 12.2.2 is a critical repository for storing validation rules associated with key flexfields (KFFs) and descriptive flexfields (DFFs). These rules enforce data integrity by validating user input against predefined criteria, ensuring consistency and accuracy in flexfield segments. Below is a detailed breakdown of its structure, purpose, and usage in Oracle EBS. ### **Purpose and Functionality** The FND_FLEX_VALIDATION_RULES table stores metadata that defines validation rules for flexfield segments. These rules are applied during data entry to: - **Restrict segment values** (e.g., numeric-only, uppercase-only). - **Validate dependencies** between segments (e.g., Segment A must be 'X' if Segment B is 'Y'). - **Enforce cross-validation** to prevent invalid combinations of segment values. ### **Key Columns and Their Significance** 1. **APPLICATION_ID** Identifies the Oracle EBS application (e.g., GL, AP) owning the flexfield. 2. **ID_FLEX_CODE** Specifies the flexfield code (e.g., 'GL#' for General Ledger Accounting Flexfield). 3. **ID_FLEX_NUM** Distinguishes between multiple structures of the same flexfield. 4. **RULE_TYPE** Defines the validation rule type, such as: - **'D' (Dependent)** – Validates segment dependencies. - **'C' (Cross-Validation)** – Ensures valid combinations across segments. - **'F' (Format Validation)** – Enforces formatting rules (e.g., regex patterns). 5. **SEGMENT_ATTRIBUTE_TYPE** Specifies the attribute being validated (e.g., 'VALUE', 'PROMPT'). 6. **ERROR_MESSAGE** Stores the error text displayed when validation fails. 7. **ENABLED_FLAG** Indicates whether the rule is active ('Y' or 'N'). 8. **RULE_PHASE** Determines when validation occurs: - **1 (Pre-Validation)** – Before segment value assignment. - **2 (Post-Validation)** – After assignment but before saving. ### **Integration with Flexfield Architecture** - **Flexfield Definition**: Rules are linked to flexfields via FND_ID_FLEXS and FND_ID_FLEX_STRUCTURES. - **Validation Execution**: The Oracle Forms engine or APIs (e.g., FND_FLEX_VALIDATION) enforce rules during data entry. - **Cross-Validation Rules**: Stored in FND_FLEX_CROSS_VALIDATION_RULES, referenced by FND_FLEX_VALIDATION_RULES. ### **Example Use Case** A GL Accounting Flexfield (ID_FLEX_CODE = 'GL#') may have a rule ensuring that Segment 1 (Company) must be '100' if Segment 2 (Department) is 'FIN'. This is stored as a **Dependent rule** (RULE_TYPE = 'D') with conditions defined in FND_FLEX_DEPENDENCY_RULES. ### **Technical Considerations** - **Performance**: Complex rules may impact form responsiveness; indexing on APPLICATION_ID, ID_FLEX_CODE, and ID_FLEX_NUM is recommended. - **Customization**: Custom rules can be added via Oracle Forms or APIs, but caution is advised to avoid conflicts with seeded rules. - **Upgrades**: Rules are preserved during EBS upgrades but should be tested for compatibility. ### **Conclusion** The FND_FLEX_VALIDATION_RULES table is foundational for maintaining data integrity in Oracle EBS flexfields. By leveraging its metadata, organizations enforce business logic at the database level, reducing errors and ensuring compliance. Understanding its structure and relationships with other flexfield tables is essential for effective customization and troubleshooting in EBS 12.1.1 and 12.2.2.