sql: introduce uuid to quote()

Prior to this patch, built-in SQL function quote() could not work with
uuid. It now returns a string representation of the received uuid.

Part of #6164

src/box/sql/func.c

@@ -1095,8 +1095,8 @@ quoteFunc(sql_context * context, int argc, sql_value ** argv)
 {
 	assert(argc == 1);
 	UNUSED_PARAMETER(argc);
-	switch (sql_value_type(argv[0])) {
-	case MP_DOUBLE:{
+	switch (argv[0]->type) {
+	case MEM_TYPE_DOUBLE:{
 			double r1, r2;
 			char zBuf[50];
 			r1 = mem_get_double_unsafe(argv[0]);
@@ -1110,14 +1110,20 @@ quoteFunc(sql_context * context, int argc, sql_value ** argv)
 					    SQL_TRANSIENT);
 			break;
 		}
-	case MP_UINT:
-	case MP_INT:{
+	case MEM_TYPE_UUID: {
+		char buf[UUID_STR_LEN + 1];
+		tt_uuid_to_string(&argv[0]->u.uuid, &buf[0]);
+		sql_result_text(context, buf, UUID_STR_LEN, SQL_TRANSIENT);
+		break;
+	}
+	case MEM_TYPE_UINT:
+	case MEM_TYPE_INT: {
 			sql_result_value(context, argv[0]);
 			break;
 		}
-	case MP_BIN:
-	case MP_ARRAY:
-	case MP_MAP: {
+	case MEM_TYPE_BIN:
+	case MEM_TYPE_ARRAY:
+	case MEM_TYPE_MAP: {
 			char *zText = 0;
 			char const *zBlob = mem_as_bin(argv[0]);
 			int nBlob = mem_len_unsafe(argv[0]);
@@ -1143,7 +1149,7 @@ quoteFunc(sql_context * context, int argc, sql_value ** argv)
 			}
 			break;
 		}
-	case MP_STR:{
+	case MEM_TYPE_STR: {
 			int i, j;
 			u64 n;
 			const unsigned char *zArg = mem_as_ustr(argv[0]);
@@ -1171,7 +1177,7 @@ quoteFunc(sql_context * context, int argc, sql_value ** argv)
 			}
 			break;
 		}
-	case MP_BOOL: {
+	case MEM_TYPE_BOOL: {
 		sql_result_text(context,
 				SQL_TOKEN_BOOLEAN(mem_get_bool_unsafe(argv[0])),
 				-1, SQL_TRANSIENT);

test/sql-tap/engine.cfg

@@ -20,6 +20,9 @@
     "gh-3332-tuple-format-leak.test.lua": {
         "memtx": {"engine": "memtx"}
     },
+    "gh-6164-uuid-follow-ups.test.lua": {
+        "memtx": {"engine": "memtx"}
+    },
     "gh-4077-iproto-execute-no-bind.test.lua": {},
     "*": {
         "memtx": {"engine": "memtx"},

test/sql-tap/gh-6164-uuid-follow-ups.test.lua

@@ -0,0 +1,14 @@
+#!/usr/bin/env tarantool
+local test = require("sqltester")
+test:plan(1)
+
+-- Make sure that function quote() can work with uuid.
+test:do_execsql_test(
+    "gh-6164-1",
+    [[
+        SELECT quote(cast('11111111-1111-1111-1111-111111111111' as uuid));
+    ]], {
+        '11111111-1111-1111-1111-111111111111'
+    })
+
+test:finish_test()