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Fix a problem in the incr-blob code causing a new cursor to be opened for

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every sqlite3_blob_reopen() call.

FossilOrigin-Name: 41ef34a1f0650c50cacb203665cd9d57db53a49c979bf0d5a78937517f763a2c
This commit is contained in:
dan
2017-10-24 17:28:25 +00:00
parent f7902a543e
commit 952523f618
3 changed files with 12 additions and 11 deletions
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7
src/vdbeblob.c
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@@ -63,11 +63,12 @@ static int blobSeekToRow(Incrblob *p, sqlite3_int64 iRow, char **pzErr){
v->aMem[1].u.i = iRow;
/* If the statement has been run before (and is paused at the OP_ResultRow)
** then back it up to the point where it does the OP_SeekRowid. This could
** then back it up to the point where it does the OP_NotExists. This could
** have been down with an extra OP_Goto, but simply setting the program
** counter is faster. */
if( v->pc>3 ){
v->pc = 3;
if( v->pc>4 ){
v->pc = 4;
assert( v->aOp[v->pc].opcode==OP_NotExists );
rc = sqlite3VdbeExec(v);
}else{
rc = sqlite3_step(p->pStmt);