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Add comments related to database locking to sqlite3ota.h. 

FossilOrigin-Name: 77242965e77446313a8f0a65a39fccb67fe4cabf
This commit is contained in:
dan 2015-04-22 11:34:38 +00:00
parent 903dd7d5d1
commit 39b7ff7987
3 changed files with 20 additions and 7 deletions
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13
ext/ota/sqlite3ota.h
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@ -229,6 +229,19 @@
** To remove all OTA extension state information, returning an OTA database
** to its original contents, it is sufficient to drop all tables that begin
** with the prefix "ota_"
**
** DATABASE LOCKING
**
** An OTA update may not be applied to a database in WAL mode. Attempting
** to do so is an error (SQLITE_ERROR).
**
** While an OTA handle is open, a SHARED lock may be held on the target
** database file. This means it is possible for other clients to read the
** database, but not to write it.
**
** If an OTA update is started and then suspended before it is completed,
** then an external client writes to the database, then attempting to resume
** the suspended OTA update is also an error (SQLITE_BUSY).
*/
#ifndef _SQLITE3OTA_H

12
manifest
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@ -1,5 +1,5 @@
C Add\sa\scomment\sto\ssqlite3ota.h.\sNo\scode\schanges.
D 2015-04-21T15:35:30.574
C Add\scomments\srelated\sto\sdatabase\slocking\sto\ssqlite3ota.h.
D 2015-04-22T11:34:38.145
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in 79b306896135a2305cfb7e6d88990fc4820fb917
F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@ -139,7 +139,7 @@ F ext/ota/otacrash.test 8346192b2d46cbe7787d5d65904d81d3262a3cbf
F ext/ota/otafault.test 8c43586c2b96ca16bbce00b5d7e7d67316126db8
F ext/ota/otafault2.test fa202a98ca221faec318f3e5c5f39485b1256561
F ext/ota/sqlite3ota.c b45d73607b78eba89ca224fb0d10e10d1b32b6b0
F ext/ota/sqlite3ota.h a57edd7097b170842350f7024142bd23693ef17f
F ext/ota/sqlite3ota.h c0d32e46aa52cce3b16899399639deaff1f27b2f
F ext/ota/test_ota.c e34c801c665d64b4b9e00b71f1acf8c652404b2b
F ext/rtree/README 6315c0d73ebf0ec40dedb5aa0e942bc8b54e3761
F ext/rtree/rtree.c 14e6239434d4e3f65d3e90320713f26aa24e167f
@ -1269,7 +1269,7 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32
F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
P 66eff473c3634edb42f6ad6955acfba3e3a10def
R b0ede25cbd76dcce408ddbe246efdf05
P 352fa09efd8240567b8f9487944e8c3ade4e664a
R 7514208e376f1404350994ff3e1120f2
U dan
Z f4ef1c4f6a4788f592c8604fbd633b01
Z aab2f59acbc2b3195f57173b44acb17c

2
manifest.uuid
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@ -1 +1 @@
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