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Iterating a cursor or calling fetchone() in a loop is 100x+ slower than fetchall() (affects SQLAlchemy) (#981) #3452

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Iterating a cursor or calling fetchone() in a loop is 100x+ slower than fetchall() (affects SQLAlchemy) (#981)

Iterating a cursor or calling fetchone() in a loop is 100x+ slower than fetchall() (affects SQLAlchemy) (#981) #3452

Run time

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Job Run time
check-types (3.13)
19s
check-linting (3.11)
14s
check-types (3.11)
19s
Unit Tests + Kernel (Python 3.10)
2m 44s
Unit Tests + Kernel (Python 3.12)
2m 48s
Unit Tests + Kernel (Python 3.14)
2m 45s
Unit Tests + Kernel (Python 3.13)
2m 48s
Unit Tests + Kernel (Python 3.11)
2m 44s
check-linting (3.10)
1m 5s
check-linting (3.14)
1m 5s
check-types (3.14)
21s
Unit Tests (Python 3.13, default deps)
2m 9s
Unit Tests (Python 3.10, default deps)
2m 11s
Unit Tests + PyArrow (Python 3.14, default deps)
2m 45s
check-linting (3.12)
1m 5s
Unit Tests (Python 3.11, min deps)
2m 5s
check-linting (3.13)
1m 5s
Unit Tests (Python 3.14, min deps)
2m 13s
Unit Tests (Python 3.11, default deps)
2m 5s
Unit Tests + PyArrow (Python 3.11, min deps)
2m 35s
Unit Tests (Python 3.10, min deps)
2m 5s
check-types (3.12)
17s
Unit Tests + PyArrow (Python 3.10, default deps)
2m 39s
Unit Tests + PyArrow (Python 3.12, default deps)
2m 55s
check-types (3.10)
17s
Unit Tests + PyArrow (Python 3.13, default deps)
2m 49s
Unit Tests + PyArrow (Python 3.10, min deps)
2m 40s
Unit Tests (Python 3.12, default deps)
2m 15s
Unit Tests (Python 3.14, default deps)
2m 9s
Unit Tests + PyArrow (Python 3.11, default deps)
2m 38s
Unit Tests + PyArrow (Python 3.14, min deps)
2m 43s
58m 52s