All user errors

Syntax errors

FeatureQL
SELECT 1 + 2 foo
Result
ERROR UE/SYNTAX-ERROR/SYNTAX_ERROR Syntax error at line 1:13 - extraneous input 'FOO' expecting {<EOF>, ';'} (offending symbol: 'FOO')

Non-existing features

FeatureQL
SELECT FEQTURE1
Result
ERROR UE/FEATURE-NOT-FOUND Feature feature_name='FEQTURE1' not found in available features [] or in the registry.

Functions improperly used

Function not exists

FeatureQL
SELECT
    "NOT_EXISTING_FUNCTION"(1, 'a', TRUE)
;
Result
ERROR UE/FUNCTION-NOT-FOUND Function 'NOT_EXISTING_FUNCTION' not found. Available functions include: 'ABS', 'ACCUMULATION_AT_TIME', 'ACOS', 'ACTIVITY_STATUS', 'ADD'...

Function used with wrong types

FeatureQL
SELECT
    error_feature := ADD(1, 'A')
;
Result
ERROR UE/FUNCTION-SIGNATURE-UNKNOWN_2 ADD() has no matching signature for the inferred argument types when defining feature ERROR_FEATURE; got ADD(BIGINT, VARCHAR). Expected one of: ADD(T, T) -> T with T in [TINYINT, SMALLINT, INT, BIGINT, FLOAT, DOUBLE, DECIMAL] or ADD(TIMESTAMP, INTERVAL) -> TIMESTAMP.

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Last update at: 2026/06/20 10:08:10