From: Mergen Imeev via Tarantool-patches <tarantool-patches@dev.tarantool.org> To: v.shpilevoy@tarantool.org Cc: tarantool-patches@dev.tarantool.org Subject: [Tarantool-patches] [PATCH v1 4/8] sql: refactor NULLIF() function Date: Fri, 1 Oct 2021 19:29:30 +0300 [thread overview] Message-ID: <f6b79ff8372089160ae8dfed3e5e4d3e81621747.1633105483.git.imeevma@gmail.com> (raw) In-Reply-To: <cover.1633105483.git.imeevma@gmail.com> Part of #4145 --- src/box/sql/func.c | 28 +++++++++++++--------------- 1 file changed, 13 insertions(+), 15 deletions(-) diff --git a/src/box/sql/func.c b/src/box/sql/func.c index 565ebcabe..17d5fab8f 100644 --- a/src/box/sql/func.c +++ b/src/box/sql/func.c @@ -348,6 +348,18 @@ func_lower_upper(struct sql_context *ctx, int argc, struct Mem *argv) mem_set_str_allocated(ctx->pOut, res, new_len); } +/** Implementation of the NULLIF() function. */ +static void +func_nullif(struct sql_context *ctx, int argc, struct Mem *argv) +{ + assert(argc == 2); + (void)argc; + if (mem_cmp_scalar(&argv[0], &argv[1], ctx->coll) == 0) + return; + if (mem_copy(ctx->pOut, &argv[0]) != 0) + ctx->is_aborted = true; +} + static const unsigned char * mem_as_ustr(struct Mem *mem) { @@ -1210,20 +1222,6 @@ likeFunc(sql_context *context, int argc, struct Mem *argv) sql_result_bool(context, res == MATCH); } -/* - * Implementation of the NULLIF(x,y) function. The result is the first - * argument if the arguments are different. The result is NULL if the - * arguments are equal to each other. - */ -static void -nullifFunc(struct sql_context *context, int argc, struct Mem *argv) -{ - (void)argc; - struct coll *pColl = context->coll; - if (mem_cmp_scalar(&argv[0], &argv[1], pColl) != 0) - sql_result_value(context, &argv[0]); -} - /** * Implementation of the version() function. The result is the * version of the Tarantool that is running. @@ -2021,7 +2019,7 @@ static struct sql_func_definition definitions[] = { {"MIN", 1, {FIELD_TYPE_SCALAR}, FIELD_TYPE_SCALAR, step_minmax, NULL}, {"NULLIF", 2, {FIELD_TYPE_ANY, FIELD_TYPE_ANY}, FIELD_TYPE_SCALAR, - nullifFunc, NULL}, + func_nullif, NULL}, {"POSITION", 2, {FIELD_TYPE_STRING, FIELD_TYPE_STRING}, FIELD_TYPE_INTEGER, position_func, NULL}, {"PRINTF", -1, {FIELD_TYPE_ANY}, FIELD_TYPE_STRING, printfFunc, -- 2.25.1
next prev parent reply other threads:[~2021-10-01 16:31 UTC|newest] Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-10-01 16:29 [Tarantool-patches] [PATCH v1 0/8] Rework standard function Mergen Imeev via Tarantool-patches 2021-10-01 16:29 ` [Tarantool-patches] [PATCH v1 1/8] sql: refactor ABS() funcion Mergen Imeev via Tarantool-patches 2021-10-08 21:55 ` Vladislav Shpilevoy via Tarantool-patches 2021-10-20 16:52 ` Mergen Imeev via Tarantool-patches 2021-10-28 22:11 ` Vladislav Shpilevoy via Tarantool-patches 2021-11-01 10:11 ` Mergen Imeev via Tarantool-patches 2021-11-01 13:37 ` Vladislav Shpilevoy via Tarantool-patches 2021-10-01 16:29 ` [Tarantool-patches] [PATCH v1 2/8] sql: refactor CHAR_LENGTH() function Mergen Imeev via Tarantool-patches 2021-10-08 21:56 ` Vladislav Shpilevoy via Tarantool-patches 2021-10-20 16:58 ` Mergen Imeev via Tarantool-patches 2021-10-28 22:11 ` Vladislav Shpilevoy via Tarantool-patches 2021-11-01 10:20 ` Mergen Imeev via Tarantool-patches 2021-10-01 16:29 ` [Tarantool-patches] [PATCH v1 3/8] sql: refactor UPPER() and LOWER() functions Mergen Imeev via Tarantool-patches 2021-10-20 17:02 ` Mergen Imeev via Tarantool-patches 2021-10-01 16:29 ` Mergen Imeev via Tarantool-patches [this message] 2021-10-01 16:29 ` [Tarantool-patches] [PATCH v1 5/8] sql: rework TRIM() function Mergen Imeev via Tarantool-patches 2021-10-20 17:05 ` Mergen Imeev via Tarantool-patches 2021-10-28 22:12 ` Vladislav Shpilevoy via Tarantool-patches 2021-11-01 10:35 ` Mergen Imeev via Tarantool-patches 2021-10-01 16:29 ` [Tarantool-patches] [PATCH v1 6/8] sql: rework POSITION() function Mergen Imeev via Tarantool-patches 2021-10-08 21:58 ` Vladislav Shpilevoy via Tarantool-patches 2021-10-20 17:08 ` Mergen Imeev via Tarantool-patches 2021-11-01 10:41 ` Mergen Imeev via Tarantool-patches 2021-10-01 16:29 ` [Tarantool-patches] [PATCH v1 7/8] sql: rework SUBSTR() function Mergen Imeev via Tarantool-patches 2021-10-08 22:02 ` Vladislav Shpilevoy via Tarantool-patches 2021-10-20 17:15 ` Mergen Imeev via Tarantool-patches 2021-10-28 22:13 ` Vladislav Shpilevoy via Tarantool-patches 2021-11-01 10:45 ` Mergen Imeev via Tarantool-patches 2021-10-01 16:29 ` [Tarantool-patches] [PATCH v1 8/8] sql: refactor LIKE() function Mergen Imeev via Tarantool-patches 2021-10-08 22:02 ` Vladislav Shpilevoy via Tarantool-patches 2021-10-20 17:19 ` Mergen Imeev via Tarantool-patches 2021-11-01 10:48 ` Mergen Imeev via Tarantool-patches 2021-11-01 10:53 ` Mergen Imeev via Tarantool-patches 2021-10-04 13:32 ` [Tarantool-patches] [PATCH v1 0/8] Rework standard function Mergen Imeev via Tarantool-patches 2021-11-01 13:38 ` Vladislav Shpilevoy via Tarantool-patches 2021-11-11 10:45 Mergen Imeev via Tarantool-patches 2021-11-11 10:45 ` [Tarantool-patches] [PATCH v1 4/8] sql: refactor NULLIF() function Mergen Imeev via Tarantool-patches
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=f6b79ff8372089160ae8dfed3e5e4d3e81621747.1633105483.git.imeevma@gmail.com \ --to=tarantool-patches@dev.tarantool.org \ --cc=imeevma@tarantool.org \ --cc=v.shpilevoy@tarantool.org \ --subject='Re: [Tarantool-patches] [PATCH v1 4/8] sql: refactor NULLIF() function' \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: link
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox