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Merge the latest trunk enhancements, via the wal2 branch, into the bedrock branch.

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FossilOrigin-Name: fd6ff55141be82ba36513ba6273a60c6d8b3c496ed7890ab47cccb05bec7f7c2
This commit is contained in:
dan
2024-09-30 17:57:58 +00:00
parent 8bd361e9e6 aa45304859
commit 855e3792bd
75 changed files with 5568 additions and 2257 deletions
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49
ext/session/sqlite3session.c
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@@ -81,6 +81,10 @@ struct SessionBuffer {
** input data. Input data may be supplied either as a single large buffer
** (e.g. sqlite3changeset_start()) or using a stream function (e.g.
** sqlite3changeset_start_strm()).
**
** bNoDiscard:
** If true, then the only time data is discarded is as a result of explicit
** sessionDiscardData() calls. Not within every sessionInputBuffer() call.
*/
struct SessionInput {
int bNoDiscard; /* If true, do not discard in InputBuffer() */
@@ -1765,16 +1769,19 @@ static void sessionPreupdateOneChange(
for(i=0; i<(pTab->nCol-pTab->bRowid); i++){
sqlite3_value *p = 0;
if( op!=SQLITE_INSERT ){
TESTONLY(int trc = ) pSession->hook.xOld(pSession->hook.pCtx, i, &p);
assert( trc==SQLITE_OK );
/* This may fail if the column has a non-NULL default and was added
** using ALTER TABLE ADD COLUMN after this record was created. */
rc = pSession->hook.xOld(pSession->hook.pCtx, i, &p);
}else if( pTab->abPK[i] ){
TESTONLY(int trc = ) pSession->hook.xNew(pSession->hook.pCtx, i, &p);
assert( trc==SQLITE_OK );
}
/* This may fail if SQLite value p contains a utf-16 string that must
** be converted to utf-8 and an OOM error occurs while doing so. */
rc = sessionSerializeValue(0, p, &nByte);
if( rc==SQLITE_OK ){
/* This may fail if SQLite value p contains a utf-16 string that must
** be converted to utf-8 and an OOM error occurs while doing so. */
rc = sessionSerializeValue(0, p, &nByte);
}
if( rc!=SQLITE_OK ) goto error_out;
}
if( pTab->bRowid ){
@@ -5155,15 +5162,21 @@ static int sessionChangesetApply(
int nTab = 0; /* Result of sqlite3Strlen30(zTab) */
SessionApplyCtx sApply; /* changeset_apply() context object */
int bPatchset;
u64 savedFlag = db->flags & SQLITE_FkNoAction;
assert( xConflict!=0 );
sqlite3_mutex_enter(sqlite3_db_mutex(db));
if( flags & SQLITE_CHANGESETAPPLY_FKNOACTION ){
db->flags |= ((u64)SQLITE_FkNoAction);
db->aDb[0].pSchema->schema_cookie -= 32;
}
pIter->in.bNoDiscard = 1;
memset(&sApply, 0, sizeof(sApply));
sApply.bRebase = (ppRebase && pnRebase);
sApply.bInvertConstraints = !!(flags & SQLITE_CHANGESETAPPLY_INVERT);
sApply.bIgnoreNoop = !!(flags & SQLITE_CHANGESETAPPLY_IGNORENOOP);
sqlite3_mutex_enter(sqlite3_db_mutex(db));
if( (flags & SQLITE_CHANGESETAPPLY_NOSAVEPOINT)==0 ){
rc = sqlite3_exec(db, "SAVEPOINT changeset_apply", 0, 0, 0);
}
@@ -5325,6 +5338,12 @@ static int sessionChangesetApply(
sqlite3_free((char*)sApply.azCol); /* cast works around VC++ bug */
sqlite3_free((char*)sApply.constraints.aBuf);
sqlite3_free((char*)sApply.rebase.aBuf);
if( (flags & SQLITE_CHANGESETAPPLY_FKNOACTION) && savedFlag==0 ){
assert( db->flags & SQLITE_FkNoAction );
db->flags &= ~((u64)SQLITE_FkNoAction);
db->aDb[0].pSchema->schema_cookie -= 32;
}
sqlite3_mutex_leave(sqlite3_db_mutex(db));
return rc;
}
@@ -5353,12 +5372,6 @@ int sqlite3changeset_apply_v2(
sqlite3_changeset_iter *pIter; /* Iterator to skip through changeset */
int bInv = !!(flags & SQLITE_CHANGESETAPPLY_INVERT);
int rc = sessionChangesetStart(&pIter, 0, 0, nChangeset, pChangeset, bInv, 1);
u64 savedFlag = db->flags & SQLITE_FkNoAction;
if( flags & SQLITE_CHANGESETAPPLY_FKNOACTION ){
db->flags |= ((u64)SQLITE_FkNoAction);
db->aDb[0].pSchema->schema_cookie -= 32;
}
if( rc==SQLITE_OK ){
rc = sessionChangesetApply(
@@ -5366,11 +5379,6 @@ int sqlite3changeset_apply_v2(
);
}
if( (flags & SQLITE_CHANGESETAPPLY_FKNOACTION) && savedFlag==0 ){
assert( db->flags & SQLITE_FkNoAction );
db->flags &= ~((u64)SQLITE_FkNoAction);
db->aDb[0].pSchema->schema_cookie -= 32;
}
return rc;
}
@@ -5691,6 +5699,9 @@ static int sessionChangesetExtendRecord(
sessionAppendBlob(pOut, aRec, nRec, &rc);
if( rc==SQLITE_OK && pTab->pDfltStmt==0 ){
rc = sessionPrepareDfltStmt(pGrp->db, pTab, &pTab->pDfltStmt);
if( rc==SQLITE_OK && SQLITE_ROW!=sqlite3_step(pTab->pDfltStmt) ){
rc = sqlite3_errcode(pGrp->db);
}
}
for(ii=nCol; rc==SQLITE_OK && ii<pTab->nCol; ii++){
int eType = sqlite3_column_type(pTab->pDfltStmt, ii);
@@ -5707,6 +5718,7 @@ static int sessionChangesetExtendRecord(
}
if( SQLITE_OK==sessionBufferGrow(pOut, 8, &rc) ){
sessionPutI64(&pOut->aBuf[pOut->nBuf], iVal);
pOut->nBuf += 8;
}
break;
}
@@ -5846,6 +5858,8 @@ static int sessionOneChangeToHash(
u8 *aRec = &pIter->in.aData[pIter->in.iCurrent + 2];
int nRec = (pIter->in.iNext - pIter->in.iCurrent) - 2;
assert( nRec>0 );
/* Ensure that only changesets, or only patchsets, but not a mixture
** of both, are being combined. It is an error to try to combine a
** changeset and a patchset. */
@@ -5923,6 +5937,7 @@ static int sessionChangesetToHash(
int nRec;
int rc = SQLITE_OK;
pIter->in.bNoDiscard = 1;
while( SQLITE_ROW==(sessionChangesetNext(pIter, &aRec, &nRec, 0)) ){
rc = sessionOneChangeToHash(pGrp, pIter, bRebase);
if( rc!=SQLITE_OK ) break;