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wal_service: switch to Lsn type

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Replace XLogRecPtr with Lsn in wal_service.rs .

This removes the last use of XLogSegmentOffset and XLByteToSeg, so
delete them. (replaced by Lsn::segment_offset and Lsn::segment_number.)
This commit is contained in:
Eric Seppanen
2021-05-10 16:21:05 -07:00
parent 60d66267a9
commit bace19ffbe
2 changed files with 66 additions and 86 deletions
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postgres_ffi/src/xlog_utils.rs
-10
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@@ -32,21 +32,11 @@ pub type TimeLineID = u32;
pub type TimestampTz = u64;
pub type XLogSegNo = u64;
#[allow(non_snake_case)]
pub fn XLogSegmentOffset(xlogptr: XLogRecPtr, wal_segsz_bytes: usize) -> u32 {
(xlogptr as u32) & (wal_segsz_bytes as u32 - 1)
}
#[allow(non_snake_case)]
pub fn XLogSegmentsPerXLogId(wal_segsz_bytes: usize) -> XLogSegNo {
(0x100000000u64 / wal_segsz_bytes as u64) as XLogSegNo
}
#[allow(non_snake_case)]
pub fn XLByteToSeg(xlogptr: XLogRecPtr, wal_segsz_bytes: usize) -> XLogSegNo {
xlogptr / wal_segsz_bytes as u64
}
#[allow(non_snake_case)]
pub fn XLogSegNoOffsetToRecPtr(
segno: XLogSegNo,