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Overview

IBC_DEBUG_PVT is a private PL/SQL utility package owned by APPS in the Oracle E-Business Suite, classified as PVT (private) within the ETRM metadata model. Its business function is to provide a centralized, reusable debugging and instrumentation framework for PL/SQL code executed within the EBS runtime environment. The package allows developers and support personnel to trace execution flow, capture parameter values, and inspect the contents of JTF collection types without embedding ad hoc instrumentation in every program unit. It is declared AUTHID CURRENT_USER, meaning that name resolution and privilege checks occur under the invoking schema rather than the definer, which is appropriate for a diagnostic utility invoked from diverse code paths. A debug facility is typically gated on a profile option, and IBC_DEBUG_PVT exposes that gate through its Debug_Enabled function, ensuring that diagnostic overhead is incurred only when debugging has been explicitly turned on for the current user.

Key Procedures and Functions

• DEBUG_ENABLED — A function returning a BOOLEAN that indicates whether debugging is currently active for the session, based on profile values. It serves as the guard condition for all other calls in the package.
• START_PROCESS — A procedure that marks the beginning of a procedure or function and maintains a call stack of invocations.
• END_PROCESS — The counterpart to Start_Process. It marks the exit point of a procedure or function and unwinds the corresponding entry from the maintained call stack, keeping the trace depth accurate.
• MAKE_LIST — An overloaded function family that converts JTF table types into a bracketed, comma-separated string representation. Overloads exist for JTF_NUMBER_TABLE and for JTF_VARCHAR2_TABLE variants (100, 300, and 4000 widths).
• MAKE_LIST_VC32767 — A companion function that formats JTF_VARCHAR2_TABLE_32767 collections into a printable string.
• MAKE_PARAMETER_LIST — A function that constructs a formatted parameter listing, intended for logging the input values passed into a program unit.
• DEBUG_MESSAGE — A procedure that emits a diagnostic message to the debug output sink.
• TERMINATE_STACK — A procedure that clears or finalizes the debug call stack.

Tables Accessed

The package does not depend on application business tables. ETRM documents three underlying database objects referenced through APPS synonyms: DBMS_PIPE, PLITBLM, and UTL_FILE. DBMS_PIPE is the inter-session communication facility normally used to transmit debug output when a separate listener session is attached. UTL_FILE provides the alternative file-based output channel. PLITBLM is the standard Oracle table of PL/SQL limits and error message text, referenced for diagnostics such as line number and error text reporting. This combination confirms that IBC_DEBUG_PVT is a pure instrumentation layer with no persistent transactional footprint.

Usage Notes

IBC_DEBUG_PVT is not an end-user facing component. It is called from PL/SQL application logic, concurrent program bodies, and customizations that require tracing. The conventional pattern is to test Debug_Enabled once, then wrap the body of a program unit with Start_Process and End_Process, using Make_List, Make_List_VC32767, and Make_Parameter_List to render complex parameters and Debug_Message to record intermediate values. When a debug run terminates, Terminate_Stack resets the stack state. ETRM records the package as referenced by two other packages, indicating reuse within the IBC product family. Because the package is classified PVT, custom code should treat the interface as subject to change and avoid direct dependencies where possible.