[Tarantool-patches] [PATCH v1 3/3] sql: allow to bind uuid values

[Mergen Imeev via Tarantool-patches <tarantool-patches@dev.tarantool.org>]

After this patch, uuid values can be binded like any other supported by
SQL values.

Closes #6164
---
 src/box/bind.c                                |  3 +++
 src/box/bind.h                                |  5 +++++
 src/box/lua/execute.c                         |  5 +++++
 src/box/sql/sqlInt.h                          |  5 +++++
 src/box/sql/vdbeapi.c                         | 11 +++++++++++
 test/sql-tap/gh-6164-uuid-follow-ups.test.lua | 16 +++++++++++++++-
 6 files changed, 44 insertions(+), 1 deletion(-)

diff --git a/src/box/bind.c b/src/box/bind.c
index d45a0f9a7..734f65186 100644
--- a/src/box/bind.c
+++ b/src/box/bind.c
@@ -191,6 +191,9 @@ sql_bind_column(struct sql_stmt *stmt, const struct sql_bind *p,
 	case MP_BIN:
 		return sql_bind_blob64(stmt, pos, (const void *) p->s, p->bytes,
 				       SQL_STATIC);
+	case MP_EXT:
+		assert(p->ext_type == MP_UUID);
+		return sql_bind_uuid(stmt, pos, &p->uuid);
 	default:
 		unreachable();
 	}
diff --git a/src/box/bind.h b/src/box/bind.h
index 568c558f3..20f3e7942 100644
--- a/src/box/bind.h
+++ b/src/box/bind.h
@@ -40,6 +40,8 @@ extern "C" {
 #include <stdlib.h>
 
 #include "msgpuck.h"
+#include "uuid/tt_uuid.h"
+#include "lib/core/mp_extension_types.h"
 
 struct sql_stmt;
 
@@ -59,6 +61,8 @@ struct sql_bind {
 	uint32_t bytes;
 	/** MessagePack type of the value. */
 	enum mp_type type;
+	/** Subtype of MP_EXT type. */
+	enum mp_extension_type ext_type;
 	/** Bind value. */
 	union {
 		bool b;
@@ -67,6 +71,7 @@ struct sql_bind {
 		uint64_t u64;
 		/** For string or blob. */
 		const char *s;
+		struct tt_uuid uuid;
 	};
 };
 
diff --git a/src/box/lua/execute.c b/src/box/lua/execute.c
index 926a0a61c..3d1352fc6 100644
--- a/src/box/lua/execute.c
+++ b/src/box/lua/execute.c
@@ -370,6 +370,10 @@ lua_sql_bind_decode(struct lua_State *L, struct sql_bind *bind, int idx, int i)
 		bind->s = mp_decode_bin(&field.sval.data, &bind->bytes);
 		break;
 	case MP_EXT:
+		if (field.ext_type == MP_UUID) {
+			bind->uuid = *field.uuidval;
+			break;
+		}
 		diag_set(ClientError, ER_SQL_BIND_TYPE, "USERDATA",
 			 sql_bind_name(bind));
 		return -1;
@@ -385,6 +389,7 @@ lua_sql_bind_decode(struct lua_State *L, struct sql_bind *bind, int idx, int i)
 		unreachable();
 	}
 	bind->type = field.type;
+	bind->ext_type = field.ext_type;
 	lua_pop(L, lua_gettop(L) - idx);
 	return 0;
 }
diff --git a/src/box/sql/sqlInt.h b/src/box/sql/sqlInt.h
index ef8dcd693..115c52f96 100644
--- a/src/box/sql/sqlInt.h
+++ b/src/box/sql/sqlInt.h
@@ -326,6 +326,8 @@ struct sql_vfs {
 #define SQL_LIMIT_LIKE_PATTERN_LENGTH       8
 #define SQL_LIMIT_TRIGGER_DEPTH             9
 
+struct tt_uuid;
+
 enum sql_ret_code {
 	/** sql_step() has another row ready. */
 	SQL_ROW = 1,
@@ -634,6 +636,9 @@ int
 sql_bind_zeroblob64(sql_stmt *, int,
 			sql_uint64);
 
+int
+sql_bind_uuid(struct sql_stmt *stmt, int i, const struct tt_uuid *uuid);
+
 /**
  * Return the number of wildcards that should be bound to.
  */
diff --git a/src/box/sql/vdbeapi.c b/src/box/sql/vdbeapi.c
index aaae12e41..a9700350d 100644
--- a/src/box/sql/vdbeapi.c
+++ b/src/box/sql/vdbeapi.c
@@ -840,6 +840,17 @@ sql_bind_zeroblob64(sql_stmt * pStmt, int i, sql_uint64 n)
 	return sql_bind_zeroblob(pStmt, i, n);
 }
 
+int
+sql_bind_uuid(struct sql_stmt *stmt, int i, const struct tt_uuid *uuid)
+{
+	struct Vdbe *p = (struct Vdbe *)stmt;
+	if (vdbeUnbind(p, i) != 0)
+		return -1;
+	int rc = sql_bind_type(p, i, "uuid");
+	mem_set_uuid(&p->aVar[i - 1], uuid);
+	return rc;
+}
+
 int
 sql_bind_parameter_count(const struct sql_stmt *stmt)
 {
diff --git a/test/sql-tap/gh-6164-uuid-follow-ups.test.lua b/test/sql-tap/gh-6164-uuid-follow-ups.test.lua
index 8872f9f23..426717972 100755
--- a/test/sql-tap/gh-6164-uuid-follow-ups.test.lua
+++ b/test/sql-tap/gh-6164-uuid-follow-ups.test.lua
@@ -1,6 +1,6 @@
 #!/usr/bin/env tarantool
 local test = require("sqltester")
-test:plan(3)
+test:plan(4)
 
 local uuid = require('uuid').fromstr('11111111-1111-1111-1111-111111111111')
 
@@ -32,4 +32,18 @@ test:do_execsql_test(
         true
     })
 
+-- Make sure that uuid value can be binded.
+box.execute('CREATE TABLE t(i INT PRIMARY KEY, a UUID);')
+box.execute('INSERT INTO t VALUES(1, ?);', {uuid});
+
+test:do_execsql_test(
+    "gh-6164-4",
+    [[
+        SELECT * FROM t;
+    ]], {
+        1, uuid
+    })
+
+box.execute([[DROP TABLE t;]])
+
 test:finish_test()
-- 
2.25.1