[Tarantool-patches] [PATCH v1 05/13] sql: remove sql_vdbemem_finalize()
Mergen Imeev
imeevma at tarantool.org
Tue Sep 21 13:47:54 MSK 2021
Thank you for the review! My answer below.
On Tue, Sep 14, 2021 at 11:23:15PM +0200, Vladislav Shpilevoy wrote:
> Good job on the patch!
>
> > diff --git a/src/box/sql/vdbe.c b/src/box/sql/vdbe.c
> > index 12dc9126b..dfab86c50 100644
> > --- a/src/box/sql/vdbe.c
> > +++ b/src/box/sql/vdbe.c
> > @@ -4204,16 +4204,32 @@ case OP_AggStep: {
> > * the step function was not previously called.
> > */
> > case OP_AggFinal: {
> > - Mem *pMem;
> > assert(pOp->p1>0 && pOp->p1<=(p->nMem+1 - p->nCursor));
> > - pMem = &aMem[pOp->p1];
> > - assert(mem_is_null(pMem) || mem_is_agg(pMem));
> > - if (sql_vdbemem_finalize(pMem, pOp->p4.func) != 0)
> > + struct func_sql_builtin *func = (struct func_sql_builtin *)pOp->p4.func;
> > + struct Mem *pIn1 = &aMem[pOp->p1];
> > + assert(mem_is_null(pIn1) || mem_is_agg(pIn1));
> > +
> > + struct sql_context ctx;
> > + memset(&ctx, 0, sizeof(ctx));
> > + struct Mem t;
>
> Please, use mem_create(). Also for the context I would propose to add
> sql_context_create(). So as not to touch internals of the struct here
> directly.
>
I suggest to leave it as it is for now, since I plan to completely drop
struct sql_context from finalize functions in a few patches in this patch-set.
What do you think?
> > + memset(&t, 0, sizeof(t));
> > + t.type = MEM_TYPE_NULL;
> > + assert(t.flags == 0);
> > + t.db = pIn1->db;
> > + ctx.pOut = &t;
> > + ctx.pMem = pIn1;
> > + ctx.func = pOp->p4.func;
> > + func->finalize(&ctx);
> > + assert((pIn1->flags & MEM_Dyn) == 0);
> > + if (pIn1->szMalloc > 0)
> > + sqlDbFree(pIn1->db, pIn1->zMalloc);
> > + memcpy(pIn1, &t, sizeof(t));
> > +
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