Common SQL Errors

MySQL Error 1444: ER_PS_NO_RECURSION - How to Fix Recursive Prepared Statement Calls

Galaxy Team
August 7, 2025

<p>MySQL error 1444 (ER_PS_NO_RECURSION) occurs when a prepared statement calls a stored routine that, directly or indirectly, executes the same prepared statement, creating disallowed recursion.</p>

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What is MySQL error 1444 ER_PS_NO_RECURSION?

<p>MySQL Error 1444: ER_PS_NO_RECURSION happens when a prepared statement invokes a stored routine that triggers the same statement, creating a prohibited recursion loop. Remove the recursive call or rewrite the logic to stop the prepared statement from re-executing itself to resolve the issue.</p>

Error Highlights

Typical Error Message

The prepared statement contains a stored routine call

Error Type

Logic Error

Language

MySQL

Symbol

ER_PS_NO_RECURSION

Error Code

1444

SQL State

HY000

Explanation

Table of Contents

What is MySQL Error 1444 (ER_PS_NO_RECURSION)?

Error 1444 appears with the message "The prepared statement contains a stored routine call that refers to that same statement. It's not allowed to execute a prepared statement in such a recursive manner."

The server blocks execution because recursion through prepared statements can lock resources indefinitely and destabilize the query cache.

When Does This Error Occur?

The error surfaces the moment MySQL detects that a prepared statement would re-enter itself, either directly or through nested stored routines, during runtime.

It is version-agnostic and affects MySQL 5.6, 5.7, 8.0, and compatible MariaDB builds whenever prepared statements and stored routines combine improperly.

Why Is Fixing It Important?

Unresolved, the statement never runs, breaking application workflows and delaying transactions.

Leaving the logic unchanged risks masking deeper design flaws that may surface as deadlocks or stack overflow in future upgrades.

Common Causes

Direct Self-Call

A prepared statement invokes a procedure that immediately tries to execute the same prepared statement again.

Indirect Recursion

Procedure A calls Procedure B, which executes the prepared statement that originally called Procedure A, forming a loop.

Dynamically Built SQL

Dynamic SQL inside routines constructs and runs the prepared statement name stored in a variable, unintentionally creating recursion.

Trigger Side Effects

A trigger fired by the prepared statement executes a routine that calls the statement back.

Related Errors

MySQL Error 1451: ER_ROW_IS_REFERENCED_2

Occurs when deleting a parent row referenced by foreign keys. Unlike 1444, it concerns referential integrity, not recursion.

MySQL Error 1452: ER_NO_REFERENCED_ROW_2

Triggers on inserting a child row without a matching parent. Also foreign-key related, but not prepared statement specific.

MySQL Error 1336: ER_SP_NORETURNEND

Signals a missing RETURN statement in a stored function. Deals with routine definition errors, not runtime recursion.

MySQL Error 1415: ER_SP_BADSELECT

Raised when a stored procedure attempts an illegal SELECT into a variable. Focuses on result-set handling.

FAQs

Can I allow recursion by changing a server variable?

No. The MySQL server hard-codes this restriction to protect stability. You must rewrite the SQL.

Does the error occur with prepared statements outside stored routines?

Generally no, because the recursion path uses stored routines or triggers to loop back to the same statement.

Will increasing the call stack fix the problem?

No. The server blocks recursion at the logical level, so stack size is irrelevant.

How does Galaxy help avoid this error?

Galaxy’s query dependency graph visualizes which routines and statements call each other, making recursion easy to spot and eliminate.

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