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Iterating a cursor or calling fetchone() in a loop is 100x+ slower than fetchall() (affects SQLAlchemy) (#981) #3479

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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) #3479

Run time

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Job Run time
check-types (3.11)
1m 2s
Unit Tests + Kernel (Python 3.13)
2m 51s
Unit Tests + PyArrow (Python 3.10, min deps)
2m 56s
Unit Tests + Kernel (Python 3.10)
2m 46s
Unit Tests (Python 3.10, default deps)
2m 8s
Unit Tests + Kernel (Python 3.14)
2m 52s
check-linting (3.12)
41s
check-types (3.10)
1m 2s
check-types (3.13)
19s
Unit Tests + PyArrow (Python 3.13, default deps)
2m 50s
Unit Tests + PyArrow (Python 3.12, default deps)
2m 58s
Unit Tests (Python 3.14, default deps)
2m 12s
check-linting (3.11)
17s
check-linting (3.10)
41s
Unit Tests (Python 3.12, default deps)
2m 10s
Unit Tests (Python 3.13, default deps)
2m 15s
check-linting (3.14)
41s
Unit Tests (Python 3.11, min deps)
2m 6s
Unit Tests (Python 3.11, default deps)
2m 6s
Unit Tests + PyArrow (Python 3.10, default deps)
2m 53s
Unit Tests (Python 3.14, min deps)
2m 17s
check-types (3.14)
1m 2s
Unit Tests + Kernel (Python 3.12)
2m 55s
Unit Tests + Kernel (Python 3.11)
2m 52s
Unit Tests + PyArrow (Python 3.14, default deps)
2m 46s
Unit Tests (Python 3.10, min deps)
2m 12s
check-linting (3.13)
41s
Unit Tests + PyArrow (Python 3.14, min deps)
2m 59s
check-types (3.12)
1m 2s
Unit Tests + PyArrow (Python 3.11, default deps)
2m 46s
Unit Tests + PyArrow (Python 3.11, min deps)
2m 46s
1h 2m 4s