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Merge the preupdate hook change from trunk.

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FossilOrigin-Name: 7353caabb31803ccff83fe188c4ee65e75c883de2beea79cbe17375a4a98d9ac
This commit is contained in:
drh
2018-04-13 16:29:50 +00:00
parent c8a0c90b62 54f2cd905b
commit 12e40cebb7
3 changed files with 14 additions and 15 deletions
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15
src/insert.c
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@@ -1468,14 +1468,13 @@ void sqlite3GenerateConstraintChecks(
regNewData, 1, 0, OE_Replace, 1, -1);
}else{
#ifdef SQLITE_ENABLE_PREUPDATE_HOOK
if( HasRowid(pTab) ){
/* This OP_Delete opcode fires the pre-update-hook only. It does
** not modify the b-tree. It is more efficient to let the coming
** OP_Insert replace the existing entry than it is to delete the
** existing entry and then insert a new one. */
sqlite3VdbeAddOp2(v, OP_Delete, iDataCur, OPFLAG_ISNOOP);
sqlite3VdbeAppendP4(v, pTab, P4_TABLE);
}
assert( HasRowid(pTab) );
/* This OP_Delete opcode fires the pre-update-hook only. It does
** not modify the b-tree. It is more efficient to let the coming
** OP_Insert replace the existing entry than it is to delete the
** existing entry and then insert a new one. */
sqlite3VdbeAddOp2(v, OP_Delete, iDataCur, OPFLAG_ISNOOP);
sqlite3VdbeAppendP4(v, pTab, P4_TABLE);
#endif /* SQLITE_ENABLE_PREUPDATE_HOOK */
if( pTab->pIndex ){
sqlite3MultiWrite(pParse);