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Overview
| Comment: | Documentation updates. No changes to code. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
a8a1a639fe441a533b11ada7368b2200 |
| User & Date: | drh 2011-12-23 20:49:26 |
Context
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2011-12-30
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| 05:08 | Fix some typos in comments. No code changes. check-in: 4edc5994 user: dan tags: trunk | |
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2011-12-23
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| 20:49 | Documentation updates. No changes to code. check-in: a8a1a639 user: drh tags: trunk | |
| 13:32 | Avoid excess syncs when padding a transaction in a WAL. check-in: 1f24ae71 user: drh tags: trunk | |
Changes
Changes to src/sqlite.h.in.
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** are aligned to an address which is an integer multiple of ** nnn are atomic. The SQLITE_IOCAP_SAFE_APPEND value means ** that when data is appended to a file, the data is appended ** first then the size of the file is extended, never the other ** way around. The SQLITE_IOCAP_SEQUENTIAL property means that ** information is written to disk in the same order as calls ** to xWrite(). The SQLITE_IOCAP_POWERSAFE_OVERWRITE property means that ** after reboot following a crash or power loss, the value of ** each byte in a file is a value that was actually written ** into that byte at some point. In other words, a crash will ** not cause unwritten bytes of the file to change nor introduce ** randomness into a file nor zero out parts of the file, and any byte of ** a file that are never written will not change values due to ** writes to nearby bytes. */ #define SQLITE_IOCAP_ATOMIC 0x00000001 #define SQLITE_IOCAP_ATOMIC512 0x00000002 #define SQLITE_IOCAP_ATOMIC1K 0x00000004 #define SQLITE_IOCAP_ATOMIC2K 0x00000008 #define SQLITE_IOCAP_ATOMIC4K 0x00000010 #define SQLITE_IOCAP_ATOMIC8K 0x00000020 |
| | | | < < < |
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** are aligned to an address which is an integer multiple of ** nnn are atomic. The SQLITE_IOCAP_SAFE_APPEND value means ** that when data is appended to a file, the data is appended ** first then the size of the file is extended, never the other ** way around. The SQLITE_IOCAP_SEQUENTIAL property means that ** information is written to disk in the same order as calls ** to xWrite(). The SQLITE_IOCAP_POWERSAFE_OVERWRITE property means that ** after reboot following a crash or power loss, the only bytes in a ** file that were written at the application level might have changed ** and that adjacent bytes, even bytes within the same sector are ** guaranteed to be unchanged. */ #define SQLITE_IOCAP_ATOMIC 0x00000001 #define SQLITE_IOCAP_ATOMIC512 0x00000002 #define SQLITE_IOCAP_ATOMIC1K 0x00000004 #define SQLITE_IOCAP_ATOMIC2K 0x00000008 #define SQLITE_IOCAP_ATOMIC4K 0x00000010 #define SQLITE_IOCAP_ATOMIC8K 0x00000020 |