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When an INSERT is receiving content from a SELECT, run an OP_ReleaseReg opcode

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at the top of each iteration of the loop in order to prevent spurious
OP_SCopy misuse complaints.  Ticket [de4b04149b9fdeae]

FossilOrigin-Name: 6afadd3b3a40b0ef29fd14fb24c2a4b9479483e5f8b9125ce02d8daae662207f
This commit is contained in:
drh
2019-12-28 01:52:46 +00:00
parent ad5f157791
commit d9670abb58
6 changed files with 46 additions and 13 deletions
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14
src/vdbe.c
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@@ -845,6 +845,20 @@ int sqlite3VdbeExec(
** to the current line should be indented for EXPLAIN output.
*/
case OP_Goto: { /* jump */
#ifdef SQLITE_DEBUG
/* In debuggging mode, when the p5 flags is set on an OP_Goto, that
** means we should really jump back to the preceeding OP_ReleaseReg
** instruction. */
if( pOp->p5 ){
assert( pOp->p2 < (int)(pOp - aOp) );
assert( pOp->p2 > 1 );
pOp = &aOp[pOp->p2 - 2];
assert( pOp[1].opcode==OP_ReleaseReg );
goto check_for_interrupt;
}
#endif
jump_to_p2_and_check_for_interrupt:
pOp = &aOp[pOp->p2 - 1];