Skip to content
Code Quality Checks

Iterating a cursor or calling fetchone() in a loop is 100x+ slower than fetchall() (affects SQLAlchemy) (#981) #3484

Sign in to view logs

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) #3484

Run time

Learn about OS pricing on GitHub Actions
Job Run time
check-types (3.14)
19s
check-types (3.13)
19s
check-linting (3.12)
22s
Unit Tests + Kernel (Python 3.12)
2m 54s
check-linting (3.14)
25s
Unit Tests (Python 3.14, min deps)
2m 12s
check-types (3.11)
18s
Unit Tests + PyArrow (Python 3.12, default deps)
2m 48s
check-linting (3.13)
22s
Unit Tests + PyArrow (Python 3.10, min deps)
2m 51s
Unit Tests + Kernel (Python 3.11)
2m 43s
Unit Tests + Kernel (Python 3.10)
2m 58s
check-linting (3.10)
17s
check-linting (3.11)
18s
Unit Tests + Kernel (Python 3.13)
2m 51s
check-types (3.10)
23s
check-types (3.12)
20s
Unit Tests + PyArrow (Python 3.11, min deps)
2m 34s
Unit Tests (Python 3.14, default deps)
2m 16s
Unit Tests + PyArrow (Python 3.14, min deps)
2m 49s
Unit Tests + PyArrow (Python 3.14, default deps)
3m 4s
Unit Tests + Kernel (Python 3.14)
2m 56s
Unit Tests (Python 3.11, default deps)
2m 8s
Unit Tests + PyArrow (Python 3.13, default deps)
2m 47s
Unit Tests (Python 3.10, default deps)
2m 11s
Unit Tests (Python 3.11, min deps)
2m 4s
Unit Tests + PyArrow (Python 3.10, default deps)
2m 50s
Unit Tests (Python 3.12, default deps)
2m 12s
Unit Tests (Python 3.13, default deps)
2m 13s
Unit Tests + PyArrow (Python 3.11, default deps)
2m 53s
Unit Tests (Python 3.10, min deps)
2m 9s
57m 46s