To get the name of the caller object in Oracle, you can use the SYS_CONTEXT function in conjunction with the USER or CLIENT_IDENTIFIER parameters.
For example, you can use the following query to retrieve the name of the currently connected user:
1
|
SELECT SYS_CONTEXT('USERENV', 'CURRENT_USER') FROM DUAL;
|
Alternatively, you can use the CLIENT_IDENTIFIER parameter to retrieve the name of the application or user that is making the call to the database:
1
|
SELECT SYS_CONTEXT('USERENV', 'CLIENT_IDENTIFIER') FROM DUAL;
|
By using these functions, you can easily get the name of the caller object in Oracle and perform any necessary actions based on this information.
Best Oracle Database Books of November 2024
How can I determine the caller object name in Oracle?
You can determine the caller object name in Oracle by using the SYS_CONTEXT function with the USERENV namespace. You can retrieve the object name by querying the SQL or PL/SQL context attributes in the dynamic performance view V$SESSION or V$MYSTAT.
Here is an example query that demonstrates how to determine the caller object name:
1 2 3 4 |
SELECT SYS_CONTEXT('USERENV', 'CURRENT_USER') AS caller_user, SYS_CONTEXT('USERENV', 'CURRENT_SCHEMA') AS caller_schema, SYS_CONTEXT('USERENV', 'CURRENT_SQL') AS current_sql FROM DUAL; |
This query will return the current user, schema, and SQL text that is being executed by the caller object. You can modify the query to include additional context attributes as needed.
What is the procedure to get the caller object name in Oracle?
To get the caller object name in Oracle, you can use the following steps:
- Create a PL/SQL function that retrieves the object name using the ORA_DICT_OBJ_NAME function from the DBMS_STANDARD package. Here is an example of a PL/SQL function that retrieves the caller object name:
1 2 3 4 5 6 7 8 9 10 |
CREATE OR REPLACE FUNCTION get_caller_object_name RETURN VARCHAR2 IS v_object_name VARCHAR2(100); BEGIN SELECT ORA_DICT_OBJ_NAME INTO v_object_name FROM DUAL; RETURN v_object_name; END; / |
- Once you have created the function, you can call this function from within a trigger, stored procedure, or any other PL/SQL block to retrieve the caller object name. Here is an example of calling the function from a trigger:
1 2 3 4 5 6 7 |
CREATE OR REPLACE TRIGGER example_trigger BEFORE INSERT ON example_table FOR EACH ROW BEGIN DBMS_OUTPUT.PUT_LINE('Caller Object Name: ' || get_caller_object_name); END; / |
- When the trigger is fired, the get_caller_object_name function will be executed and the caller object name will be printed to the output using the DBMS_OUTPUT.PUT_LINE function.
By following these steps, you can retrieve the caller object name in Oracle using PL/SQL.
How to get the name of the caller object in Oracle?
In Oracle, you can use the $$PLSQL_UNIT built-in variable to get the name of the calling object (such as a procedure, function, or trigger). This variable returns the name of the currently executing PL/SQL subprogram.
For example, you can use the following code to get the name of the calling object:
1 2 3 4 5 6 |
DECLARE caller_name VARCHAR2(100); BEGIN caller_name := $$PLSQL_UNIT; DBMS_OUTPUT.PUT_LINE('Caller object name: ' || caller_name); END; |
When you run this code, it will output the name of the calling object to the console. This can be helpful for debugging or logging purposes to track which object is calling a particular subprogram.
How to access the name of the caller object in Oracle?
In Oracle, you can access the name of the caller object using the $$PLSQL_UNIT built-in system variable. This variable returns the name of the currently executing object (such as a procedure, function, or package) within a PL/SQL block.
Here's an example of how you can use $$PLSQL_UNIT to access the name of the caller object:
1 2 3 4 5 6 7 8 9 10 11 12 13 |
CREATE OR REPLACE PROCEDURE caller_proc AS BEGIN DBMS_OUTPUT.PUT_LINE('Caller object name: ' || $$PLSQL_UNIT); END; / CREATE OR REPLACE PROCEDURE main_proc AS BEGIN caller_proc; END; / EXEC main_proc; |
In this example, main_proc calls caller_proc, and within caller_proc, we use $$PLSQL_UNIT to access the name of the caller object (which is caller_proc in this case). The output will display the name of the caller object.
