Error

Error Code: 1294

SAP S/4HANA Error 1294: SQLScript Missing INTO Clause

📦 SAP S/4HANA

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Description

This error occurs in SAP S/4HANA when an SQLScript SELECT statement is expected to return a single value or row but is missing the mandatory INTO clause. It typically arises in stored procedures, functions, or anonymous blocks where the result of a query must be assigned to a variable.

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Error Message

ERR_SQLSCRIPT_INTO_CLAUSE: An INTO clause is expected in SELECT statement

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Known Causes

3 known causes

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Missing INTO for Single-Row SELECT

A SELECT statement designed to return a single row or scalar value in SQLScript requires an INTO clause to assign its result to variables.

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Incorrect SQLScript Syntax Usage

Developers might apply standard SQL syntax where SQLScript specifically mandates an INTO clause for certain SELECT operations, leading to this error.

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Unassigned Subquery Result

When a subquery or function within a larger SQLScript block returns a value that needs to be captured, omitting the INTO clause will trigger this error.

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Solutions

3 solutions available

1. Add INTO Clause to SELECT Statement easy

Directly address the error by adding an INTO clause to the SELECT statement.

Identify the SQLScript procedure or function that is throwing Error 1294. This usually involves reviewing the application logs or debugging the specific code block.

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Locate the `SELECT` statement within the identified SQLScript code that is missing the `INTO` clause. The error message `ERR_SQLSCRIPT_INTO_CLAUSE` explicitly points to this.

SELECT column1, column2 FROM your_table WHERE condition;

Modify the `SELECT` statement to include an `INTO` clause, specifying the target variables or table variables where the selected data should be stored. Ensure the number and data types of the selected columns match the target variables.

SELECT column1, column2 INTO var1, var2 FROM your_table WHERE condition;

If selecting into a table variable, declare the table variable first and then use it in the `INTO` clause.

DECLARE TYPE table_type IS TABLE OF your_table; my_table_var table_type;
SELECT column1, column2 INTO table_row FROM your_table WHERE condition; -- Assuming table_row is a row type from table_type

Save the modified SQLScript code and redeploy or re-execute the affected process to verify the error is resolved.

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2. Use a Cursor for Multi-Row Selects medium

If the SELECT statement is intended to return multiple rows, use a cursor to iterate through the results.

Determine if the `SELECT` statement is expected to return zero, one, or multiple rows. Error 1294 typically occurs when a `SELECT` that could return multiple rows is used with an `INTO` clause expecting a single row, or when a `SELECT` expecting multiple rows lacks an `INTO` clause altogether.

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If the `SELECT` statement is designed to fetch multiple rows, declare a cursor for it.

DECLARE my_cursor CURSOR FOR
  SELECT column1, column2 FROM your_table WHERE condition;

Open the cursor.

OPEN my_cursor;

Fetch rows from the cursor in a loop and process them. You can use `FETCH NEXT FROM` and check the cursor's status (e.g., `NOT FOUND`).

FETCH NEXT FROM my_cursor INTO var1, var2;
WHILE @@FETCH_STATUS = 0 DO
  -- Process var1, var2
  FETCH NEXT FROM my_cursor INTO var1, var2;
END WHILE;

Close the cursor and deallocate it.

CLOSE my_cursor;
DEALLOCATE my_cursor;

Test the modified SQLScript to ensure the multi-row data is handled correctly.

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3. Review and Correct Stored Procedure Logic advanced

Thoroughly examine the stored procedure's logic to ensure SELECT statements are used appropriately.

Analyze the business logic of the stored procedure or function where the error occurs. Understand what data is supposed to be retrieved and how it should be used.

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Identify all `SELECT` statements within the procedure. For each `SELECT`, determine if it's intended to return a single value, multiple values into variables, or multiple rows into a table variable or cursor.

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If a `SELECT` statement is intended to return a single value and is failing, ensure it has an `INTO` clause targeting a scalar variable. If it's returning multiple rows unexpectedly, add a `WHERE` clause or review the join conditions to narrow down the results.

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If a `SELECT` statement is intended to return multiple rows and is failing, ensure it's being handled correctly, either by using a cursor or by selecting into a table variable.

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Consider the case where a `SELECT` statement is used for its side effects (e.g., triggering a function). In SQLScript, this is generally not the intended use case for `SELECT` without an `INTO` or cursor. Refactor such logic if possible.

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Perform unit testing on the modified stored procedure with various input parameters to cover different execution paths and data scenarios.

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