Function visibility_check 

pub fn visibility_check(
    commit_timestamps: &[u64],
    snapshot_ts: u64,
    visible_mask: &mut [u8],
)

Check visibility for a batch of rows based on commit timestamps.

Arguments

• commit_timestamps - Array of commit timestamps (0 = uncommitted)
• snapshot_ts - The snapshot timestamp for visibility check
• visible_mask - Output: 1 if visible, 0 if not visible

Panics

Panics if visible_mask.len() < commit_timestamps.len()