third_party/sqlite/sqlite-src-3100200/doc/pager-invariants.txt - Issue 1610543003: [sql] Import reference version of SQLite 3.10.2.

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Issue 1610543003: [sql] Import reference version of SQLite 3.10.2. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 11 months ago

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1 *** Throughout this document, a page is deemed to have been synced	1 *** Throughout this document, a page is deemed to have been synced

2 automatically as soon as it is written when PRAGMA synchronous=OFF.	2 automatically as soon as it is written when PRAGMA synchronous=OFF.

3 Otherwise, the page is not synced until the xSync method of the VFS	3 Otherwise, the page is not synced until the xSync method of the VFS

4 is called successfully on the file containing the page.	4 is called successfully on the file containing the page.

5	5

6 *** Definition: A page of the database file is said to be "overwriteable" if	6 *** Definition: A page of the database file is said to be "overwriteable" if

7 one or more of the following are true about the page:	7 one or more of the following are true about the page:

8	8

9 (a) The original content of the page as it was at the beginning of	9 (a) The original content of the page as it was at the beginning of

10 the transaction has been written into the rollback journal and	10 the transaction has been written into the rollback journal and

(...skipping 56 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
67 than one billion transactions.	67 than one billion transactions.

68	68

69 (11) A database file is well-formed at the beginning and at the conclusion	69 (11) A database file is well-formed at the beginning and at the conclusion

70 of every transaction.	70 of every transaction.

71	71

72 (12) An EXCLUSIVE lock must be held on the database file before making	72 (12) An EXCLUSIVE lock must be held on the database file before making

73 any changes to the database file.	73 any changes to the database file.

74	74

75 (13) A SHARED lock must be held on the database file before reading any	75 (13) A SHARED lock must be held on the database file before reading any

76 content out of the database file.	76 content out of the database file.

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