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Add the SQLITE_CHANGESETAPPLY_INVERT flag to sessions. For inverting and applying a changeset in a single step.

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FossilOrigin-Name: d4b6406e7f5ba06ac73ab9fdef57232b2459e0af12420ed946ebed6aef46f0b1
This commit is contained in:
dan
2018-10-18 14:59:21 +00:00
parent bafad06139
commit 44748f27a6
7 changed files with 198 additions and 31 deletions
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6
ext/session/sqlite3session.h
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@ -1151,8 +1151,14 @@ int sqlite3changeset_apply_v2(
** causes the sessions module to omit this savepoint. In this case, if the
** caller has an open transaction or savepoint when apply_v2() is called,
** it may revert the partially applied changeset by rolling it back.
**
** <dt>SQLITE_CHANGESETAPPLY_INVERT <dd>
** Invert the changeset before applying it. This is equivalent to inverting
** a changeset using sqlite3changeset_invert() before applying it. It is
** an error to specify this flag with a patchset.
*/
#define SQLITE_CHANGESETAPPLY_NOSAVEPOINT 0x0001
#define SQLITE_CHANGESETAPPLY_INVERT 0x0002
/*
** CAPI3REF: Constants Passed To The Conflict Handler