LIKE - bug or expected behaviour?

Hello,

we have user specific views with names that follow this pattern:

_table_username

Strangely the following select:

SELECT table_name FROM information_schema.views WHERE table_schema = current_schema() AND table_name LIKE '\_%\_username';

does also match views with names like table_username.

This syntax does match as expected though:

SELECT table_name FROM information_schema.views WHERE table_schema = current_schema() AND table_name LIKE E'\\_%\\_username';

Is this behaviour to be expected?

Thank you very much,

Peter

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