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Fix handling of "continue" and "break" from inside the loop for the right

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operand of a RIGHT JOIN.

FossilOrigin-Name: b6e773a26c2c6ee76ea61acb059b4e676d07ea62f6db9c513638f8986557cf04
This commit is contained in:
drh
2022-04-11 17:27:38 +00:00
parent ff02ac7f07
commit 6134b2dff2
7 changed files with 62 additions and 17 deletions
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10
src/vdbe.c
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@@ -993,8 +993,12 @@ jump_to_p2:
/* Opcode: Return P1 P2 P3 * *
**
** Jump to the next instruction after the address in register P1. After
** the jump, register P1 becomes undefined.
** Jump to the next instruction after the address stored in register P1.
**
** It used to be that after the jump, register P1 would become undefined.
** However, for the subroutine used for the inner loop of a RIGHT JOIN,
** it is useful for R1 register to be unchanged, so that is what happens
** now.
**
** P2 is not used by the byte-code engine. However, if P2 is positive
** and also less than the current address, then the "EXPLAIN" output
@@ -1012,7 +1016,7 @@ case OP_Return: { /* in1 */
pIn1 = &aMem[pOp->p1];
assert( pIn1->flags==MEM_Int );
pOp = &aOp[pIn1->u.i];
pIn1->flags = MEM_Undefined;
/* pIn1->flags = MEM_Undefined; */
break;
}