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Overview
| Comment: | Use <pre> around code snippets in the documentation for sessions interfaces. This is a documentation change only with no changes to code. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: | c949b915e893e917315ce21092d4c4bb |
| User & Date: | drh 2018-02-28 21:50:00 |
Context
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2018-02-28
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| 22:21 | Enhance the sessions documentation to show the methods of the various objects. check-in: e0117775 user: drh tags: trunk | |
| 21:50 | Use <pre> around code snippets in the documentation for sessions interfaces. This is a documentation change only with no changes to code. check-in: c949b915 user: drh tags: trunk | |
| 04:30 | Fix a potential NULL pointer deref following OOM in the new IS TRUE logic. check-in: 48775ec6 user: drh tags: trunk | |
Changes
Changes to ext/session/sqlite3session.h.
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**
** If an error was encountered within a call to an sqlite3changeset_xxx()
** function (for example an [SQLITE_CORRUPT] in [sqlite3changeset_next()] or an
** [SQLITE_NOMEM] in [sqlite3changeset_new()]) then an error code corresponding
** to that error is returned by this function. Otherwise, SQLITE_OK is
** returned. This is to allow the following pattern (pseudo-code):
**
** sqlite3changeset_start();
** while( SQLITE_ROW==sqlite3changeset_next() ){
** // Do something with change.
** }
** rc = sqlite3changeset_finalize();
** if( rc!=SQLITE_OK ){
** // An error has occurred
** }
*/
int sqlite3changeset_finalize(sqlite3_changeset_iter *pIter);
/*
** CAPI3REF: Invert A Changeset
**
** This function is used to "invert" a changeset object. Applying an inverted
................................................................................
** single changeset. The result is a changeset equivalent to applying
** changeset A followed by changeset B.
**
** This function combines the two input changesets using an
** sqlite3_changegroup object. Calling it produces similar results as the
** following code fragment:
**
** sqlite3_changegroup *pGrp;
** rc = sqlite3_changegroup_new(&pGrp);
** if( rc==SQLITE_OK ) rc = sqlite3changegroup_add(pGrp, nA, pA);
** if( rc==SQLITE_OK ) rc = sqlite3changegroup_add(pGrp, nB, pB);
** if( rc==SQLITE_OK ){
** rc = sqlite3changegroup_output(pGrp, pnOut, ppOut);
** }else{
** *ppOut = 0;
** *pnOut = 0;
** }
**
** Refer to the sqlite3_changegroup documentation below for details.
*/
int sqlite3changeset_concat(
int nA, /* Number of bytes in buffer pA */
void *pA, /* Pointer to buffer containing changeset A */
int nB, /* Number of bytes in buffer pB */
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** ** If an error was encountered within a call to an sqlite3changeset_xxx() ** function (for example an [SQLITE_CORRUPT] in [sqlite3changeset_next()] or an ** [SQLITE_NOMEM] in [sqlite3changeset_new()]) then an error code corresponding ** to that error is returned by this function. Otherwise, SQLITE_OK is ** returned. This is to allow the following pattern (pseudo-code): ** ** <pre> ** sqlite3changeset_start(); ** while( SQLITE_ROW==sqlite3changeset_next() ){ ** // Do something with change. ** } ** rc = sqlite3changeset_finalize(); ** if( rc!=SQLITE_OK ){ ** // An error has occurred ** } ** </pre> */ int sqlite3changeset_finalize(sqlite3_changeset_iter *pIter); /* ** CAPI3REF: Invert A Changeset ** ** This function is used to "invert" a changeset object. Applying an inverted ................................................................................ ** single changeset. The result is a changeset equivalent to applying ** changeset A followed by changeset B. ** ** This function combines the two input changesets using an ** sqlite3_changegroup object. Calling it produces similar results as the ** following code fragment: ** ** <pre> ** sqlite3_changegroup *pGrp; ** rc = sqlite3_changegroup_new(&pGrp); ** if( rc==SQLITE_OK ) rc = sqlite3changegroup_add(pGrp, nA, pA); ** if( rc==SQLITE_OK ) rc = sqlite3changegroup_add(pGrp, nB, pB); ** if( rc==SQLITE_OK ){ ** rc = sqlite3changegroup_output(pGrp, pnOut, ppOut); ** }else{ ** *ppOut = 0; ** *pnOut = 0; ** } ** </pre> ** ** Refer to the sqlite3_changegroup documentation below for details. */ int sqlite3changeset_concat( int nA, /* Number of bytes in buffer pA */ void *pA, /* Pointer to buffer containing changeset A */ int nB, /* Number of bytes in buffer pB */ |