Help Center/ GaussDB(for MySQL)/ Kernels/ Common Kernel Functions/ Conversion of IN Predicates Into Subqueries/ Precautions

Updated on 2024-09-06 GMT+08:00

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Precautions

Supported Query Statements

SELECT
INSERT ... SELECT
REPLACE ... SELECT
PREPARED STMT and views

Constraints

Only the constant IN LIST (including statements that do not involve table queries, such as NOW() and ?) is supported.
Stored procedures, functions, and triggers are not supported.
NOT IN is not supported. Statements where indexes cannot be used are not supported.

Parent topic: Conversion of IN Predicates Into Subqueries

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