[Tarantool-patches] [PATCH 6/6] sql: extend result set with alias
Nikita Pettik
korablev at tarantool.org
Tue Dec 24 03:27:33 MSK 2019
On 19 Dec 18:17, Sergey Ostanevich wrote:
> Hi!
>
> In the current branch I see the following opportunity:
Thanks, Vlad suggested the same refactoring, I've applied it.
> diff --git a/src/box/sql/select.c b/src/box/sql/select.c
> index c1770e7b4..3fc8b2f96 100644
> --- a/src/box/sql/select.c
> +++ b/src/box/sql/select.c
> @@ -1828,12 +1828,10 @@ generate_column_metadata(struct Parse *pParse, struct SrcList *pTabList,
> const char *name = NULL;
> if (pEList->a[i].zName != NULL) {
> if (is_full_meta) {
> - const char *alias = NULL;
> + const char *alias = pEList->a[i].zName;
> if (pEList->a[i].zSpan != NULL) {
> - alias = pEList->a[i].zName;
> name = pEList->a[i].zSpan;
> } else {
> - alias = pEList->a[i].zName;
> name = pEList->a[i].zName;
> }
> vdbe_metadata_set_col_alias(v, i, alias);
> @@ -1868,12 +1866,10 @@ generate_column_metadata(struct Parse *pParse, struct SrcList *pTabList,
> const char *z = NULL;
> if (pEList->a[i].zName != NULL) {
> if (is_full_meta ) {
> - const char *alias = NULL;
> + const char *alias = pEList->a[i].zName;
> if (pEList->a[i].zSpan != NULL) {
> - alias = pEList->a[i].zName;
> z = pEList->a[i].zSpan;
> } else {
> - alias = pEList->a[i].zName;
> z = pEList->a[i].zName;
> }
> vdbe_metadata_set_col_alias(v, i, alias);
>
>
>
> Although, I see you have unfinished discussion on whether name should be alias
> or vice versa - I won't interrupt you.
>
> Regards,
> Sergos
>
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