From: Vladislav Shpilevoy <v.shpilevoy@tarantool.org>
To: Imeev Mergen <imeevma@tarantool.org>, tarantool-patches@freelists.org
Subject: [tarantool-patches] Re: [PATCH v2 1/1] sql: cleanup on failed creation operation
Date: Thu, 20 Sep 2018 21:14:12 +0200 [thread overview]
Message-ID: <80242351-a576-dde6-034e-f19c899a9cc9@tarantool.org> (raw)
In-Reply-To: <30e818b1-2916-58cc-9074-2764de0d6fad@tarantool.org>
Hi! See 4 comments below, my review fixes at the end of
the email and on the branch.
> commit 1f18fa692305f28891f0dbb87e74e863e0c002c3
> Author: Mergen Imeev <imeevma@gmail.com>
> Date: Fri Aug 31 15:50:17 2018 +0300
>
> sql: cleanup on failed creation operation
>
> Some creation operations create objects even on fail. This is
> wrong and should be fixed. This patch adds destructors for such
> objects.
>
> Closes #3592
>
> diff --git a/src/box/sql/build.c b/src/box/sql/build.c
> index 60b49df..028a1c5 100644
> --- a/src/box/sql/build.c
> +++ b/src/box/sql/build.c
> @@ -62,6 +110,22 @@ sql_finish_coding(struct Parse *parse_context)
> struct sqlite3 *db = parse_context->db;
> struct Vdbe *v = sqlite3GetVdbe(parse_context);
> sqlite3VdbeAddOp0(v, OP_Halt);
> + /**
> + * Destructors for all created in current statement
> + * spaces, indexes, sequences etc.
> + */
> + while (rlist_empty(&parse_context->record_list) == 0) {
1. Why not just rlist_foreach_entry/rlist_foreach_entry_reverse
instead of while + shift? You do not need to clean this list -
it is on a region anyway.
> + int record_reg = ++parse_context->nMem;
> + struct saved_record *record =
> + rlist_shift_entry(&parse_context->record_list,
> + struct saved_record, link);
> + sqlite3VdbeAddOp3(v, OP_MakeRecord, record->reg_key,
> + record->reg_key_count, record_reg);
> + sqlite3VdbeAddOp2(v, OP_SDelete, record->space_id, record_reg);
> + /* Set P2 of SInsert. */
> + sqlite3VdbeChangeP2(v, record->nOp, v->nOp);
> + }
> + sqlite3VdbeAddOp3(v, OP_Halt, SQL_TARANTOOL_ERROR, 0, 1);
2. The same as for the previous review: it is not okay to add a new
opcode to Vdbe always without calling attention to does it have
something to rollback or not. Please, add it only when you have
rollback section.
> if (db->mallocFailed || parse_context->nErr != 0) {
> if (parse_context->rc == SQLITE_OK)
> parse_context->rc = SQLITE_ERROR;
> diff --git a/src/box/sql/vdbe.c b/src/box/sql/vdbe.c
> index 0efc4dd..c90cf1c 100644
> --- a/src/box/sql/vdbe.c
> +++ b/src/box/sql/vdbe.c
> @@ -1005,6 +1007,10 @@ case OP_Halt: {
> pOp = &aOp[pcx];
> break;
> }
> + if (pOp->p1 == SQL_TARANTOOL_ERROR && pOp->p3 != 0) {
> + rc = SQL_TARANTOOL_ERROR;
> + goto abort_due_to_error;
> + }
3. You do not need this check here on the hot path and p3
neither. See my review fixes.
> p->rc = pOp->p1;
> p->errorAction = (u8)pOp->p2;
> p->pc = pcx;
4. I tried this test:
box.sql.execute('CREATE TABLE test1 (id INT PRIMARY KEY)')
box.sql.execute('EXPLAIN CREATE TABLE test2 (id INT PRIMARY KEY REFERENCES test1, a INT UNIQUE, b INT UNIQUE)')
And this is what I got in result (shortened pseudo vdbe here and
full at the end of the letter):
insert into _space or goto error1
insert into _index or goto error2
insert into _fk_constaints or goto error3
return ok
::error4::
drop fk
::error3::
drop index
::error2::
drop space
::error1::
return error
As you can see, the last ::error4:: is never
used, so I guess you can omit generation of last
error processing. And if the saved_records list
has only one record, it is the same as empty one.
It is okay that error4 is not called and should
not exist because there is nothing after fkey
creation that can fail and lead to rollback of
the DDL request.
My review fixes:
===============================================
commit 92c396d9e6fe5397e0acd1f3c45675208c6a04f4
Author: Vladislav Shpilevoy <v.shpilevoy@tarantool.org>
Date: Thu Sep 20 21:09:48 2018 +0200
Review fixes
diff --git a/src/box/sql/build.c b/src/box/sql/build.c
index 028a1c5b1..ebeeb1f20 100644
--- a/src/box/sql/build.c
+++ b/src/box/sql/build.c
@@ -70,8 +70,8 @@ struct saved_record
int reg_key;
/** Number of registers the key consists of. */
int reg_key_count;
- /** The number of SInsert operation. */
- int nOp;
+ /** The number of the OP_SInsert operation. */
+ int insertion_opcode;
};
/**
@@ -81,11 +81,11 @@ struct saved_record
* @param space_id Id of table in which record is inserted.
* @param reg_key Register that contains first field of the key.
* @param reg_key_count Exact number of fields of the key.
- * @param nOp_after The number of operation that follows SInsert.
+ * @param insertion_opcode Number of OP_SInsert opcode.
*/
static inline void
save_record(struct Parse *parser, uint32_t space_id, int reg_key,
- int reg_key_count, int nOp_after)
+ int reg_key_count, int insertion_opcode)
{
struct saved_record *record =
region_alloc(&fiber()->gc, sizeof(*record));
@@ -99,7 +99,7 @@ save_record(struct Parse *parser, uint32_t space_id, int reg_key,
record->space_id = space_id;
record->reg_key = reg_key;
record->reg_key_count = reg_key_count;
- record->nOp = nOp_after - 1;
+ record->insertion_opcode = insertion_opcode;
rlist_add_entry(&parser->record_list, record, link);
}
@@ -123,9 +123,9 @@ sql_finish_coding(struct Parse *parse_context)
record->reg_key_count, record_reg);
sqlite3VdbeAddOp2(v, OP_SDelete, record->space_id, record_reg);
/* Set P2 of SInsert. */
- sqlite3VdbeChangeP2(v, record->nOp, v->nOp);
+ sqlite3VdbeChangeP2(v, record->insertion_opcode, v->nOp);
}
- sqlite3VdbeAddOp3(v, OP_Halt, SQL_TARANTOOL_ERROR, 0, 1);
+ sqlite3VdbeAddOp2(v, OP_Halt, SQL_TARANTOOL_ERROR, 0);
if (db->mallocFailed || parse_context->nErr != 0) {
if (parse_context->rc == SQLITE_OK)
parse_context->rc = SQLITE_ERROR;
@@ -1172,7 +1172,7 @@ vdbe_emit_create_index(struct Parse *parse, struct space_def *def,
*/
if (idx_def->opts.sql != NULL)
sqlite3VdbeChangeP5(v, OPFLAG_NCHANGE);
- save_record(parse, BOX_INDEX_ID, entry_reg, 2, v->nOp);
+ save_record(parse, BOX_INDEX_ID, entry_reg, 2, v->nOp - 1);
return;
error:
parse->rc = SQL_TARANTOOL_ERROR;
@@ -1232,7 +1232,7 @@ createSpace(Parse * pParse, int iSpaceId, char *zStmt)
sqlite3VdbeAddOp3(v, OP_MakeRecord, iFirstCol, 7, iRecord);
sqlite3VdbeAddOp3(v, OP_SInsert, BOX_SPACE_ID, 0, iRecord);
sqlite3VdbeChangeP5(v, OPFLAG_NCHANGE);
- save_record(pParse, BOX_SPACE_ID, iFirstCol, 1, v->nOp);
+ save_record(pParse, BOX_SPACE_ID, iFirstCol, 1, v->nOp - 1);
return;
error:
pParse->nErr++;
@@ -1410,7 +1410,7 @@ vdbe_emit_fkey_create(struct Parse *parse_context, const struct fkey_def *fk)
constr_tuple_reg + 9);
sqlite3VdbeChangeP5(vdbe, OPFLAG_NCHANGE);
save_record(parse_context, BOX_FK_CONSTRAINT_ID, constr_tuple_reg, 2,
- vdbe->nOp);
+ vdbe->nOp - 1);
sqlite3ReleaseTempRange(parse_context, constr_tuple_reg, 10);
return;
error:
@@ -1558,7 +1558,7 @@ sqlite3EndTable(Parse * pParse, /* Parse context */
sqlite3VdbeAddOp3(v, OP_SInsert, BOX_SEQUENCE_ID, 0,
reg_seq_record);
save_record(pParse, BOX_SEQUENCE_ID, reg_seq_record + 1, 1,
- v->nOp);
+ v->nOp - 1);
/* Do an insertion into _space_sequence. */
int reg_space_seq_record =
emitNewSysSpaceSequenceRecord(pParse, reg_space_id,
@@ -1566,7 +1566,7 @@ sqlite3EndTable(Parse * pParse, /* Parse context */
sqlite3VdbeAddOp3(v, OP_SInsert, BOX_SPACE_SEQUENCE_ID, 0,
reg_space_seq_record);
save_record(pParse, BOX_SPACE_SEQUENCE_ID,
- reg_space_seq_record + 1, 1, v->nOp);
+ reg_space_seq_record + 1, 1, v->nOp - 1);
}
/* Code creation of FK constraints, if any. */
struct fkey_parse *fk_parse;
diff --git a/src/box/sql/vdbe.c b/src/box/sql/vdbe.c
index c90cf1cf4..fc959bdaf 100644
--- a/src/box/sql/vdbe.c
+++ b/src/box/sql/vdbe.c
@@ -943,7 +943,7 @@ case OP_HaltIfNull: { /* in3 */
FALLTHROUGH;
}
-/* Opcode: Halt P1 P2 P3 P4 P5
+/* Opcode: Halt P1 P2 * P4 P5
*
* Exit immediately. All open cursors, etc are closed
* automatically.
@@ -951,9 +951,7 @@ case OP_HaltIfNull: { /* in3 */
* P1 is the result code returned by sqlite3_exec(),
* sqlite3_reset(), or sqlite3_finalize(). For a normal halt,
* this should be SQLITE_OK (0).
- * For errors, it can be some other value.
- * If P1 == SQL_TARANTOOL_ERROR and P3 != 0 then just go to
- * abort_due_to_error. If P1!=0 and P3 == 0 then P2 will
+ * For errors, it can be some other value. If P1!=0 then P2 will
* determine whether or not to rollback the current transaction.
* Do not rollback if P2==ON_CONFLICT_ACTION_FAIL. Do the rollback
* if P2==ON_CONFLICT_ACTION_ROLLBACK. If
@@ -1007,17 +1005,17 @@ case OP_Halt: {
pOp = &aOp[pcx];
break;
}
- if (pOp->p1 == SQL_TARANTOOL_ERROR && pOp->p3 != 0) {
- rc = SQL_TARANTOOL_ERROR;
- goto abort_due_to_error;
- }
p->rc = pOp->p1;
p->errorAction = (u8)pOp->p2;
p->pc = pcx;
if (p->rc) {
if (p->rc == SQL_TARANTOOL_ERROR) {
- assert(pOp->p4.z != NULL);
- box_error_set(__FILE__, __LINE__, pOp->p5, pOp->p4.z);
+ if (pOp->p4.z == NULL) {
+ assert(! diag_is_empty(diag_get()));
+ } else {
+ box_error_set(__FILE__, __LINE__, pOp->p5,
+ pOp->p4.z);
+ }
} else if (pOp->p5 != 0) {
static const char * const azType[] = { "NOT NULL", "UNIQUE", "CHECK",
"FOREIGN KEY" };
Full Vdbe from comment 4.
===============================================
---
- - [0, 'Init', 0, 1, 0, '', '00', 'Start at 1']
- [1, 'IncMaxid', 1, 0, 0, '', '00', '']
- [2, 'SCopy', 1, 2, 0, '', '00', 'r[2]=r[1]']
- [3, 'Integer', 1, 3, 0, '', '00', 'r[3]=1']
- [4, 'String8', 0, 4, 0, 'TEST2', '00', 'r[4]=''TEST2''']
- [5, 'String8', 0, 5, 0, 'memtx', '00', 'r[5]=''memtx''']
- [6, 'Integer', 3, 6, 0, '', '00', 'r[6]=3']
- [7, 'Blob', 91, 7, 77, !!binary gaNzcWzZVENSRUFURSBUQUJMRSB0ZXN0MiAoaWQgSU5UIFBSSU1BUlkgS0VZIFJFRkVSRU5DRVMgdGVzdDEsIGEgSU5UIFVOSVFVRSwgYiBJTlQgVU5JUVVFKZOFpG5hbWWiSUSkdHlwZadpbnRlZ2VyqGFmZmluaXR5RKtpc19udWxsYWJsZcKvbnVsbGFibGVfYWN0aW9upWFib3J0haRuYW1loUGkdHlwZaZzY2FsYXKoYWZmaW5pdHlEq2lzX251bGxhYmxlw69udWxsYWJsZV9hY3Rpb26kbm9uZYWkbmFtZaFCpHR5cGWmc2NhbGFyqGFmZmluaXR5RKtpc19udWxsYWJsZcOvbnVsbGFibGVfYWN0aW9upG5vbmU=,
'00', !!binary cls3XT2Bo3NxbNlUQ1JFQVRFIFRBQkxFIHRlc3QyIChpZCBJTlQgUFJJTUFSWSBLRVkgUkVGRVJFTkNFUyB0ZXN0MSwgYSBJTlQgVU5JUVVFLCBiIElOVCBVTklRVUUpk4WkbmFtZaJJRKR0eXBlp2ludGVnZXKoYWZmaW5pdHlEq2lzX251bGxhYmxlwq9udWxsYWJsZV9hY3Rpb26lYWJvcnSFpG5hbWWhQaR0eXBlpnNjYWxhcqhhZmZpbml0eUSraXNfbnVsbGFibGXDr251bGxhYmxlX2FjdGlvbqRub25lhaRuYW1loUKkdHlwZaZzY2FsYXKoYWZmaW5pdHlEq2lzX251bGxhYmxlw69udWxsYWJsZV9hY3Rpb26kbm9uZSAobGVuPTkxLCBzdWJ0eXBlPTc3KQ==]
- [8, 'Blob', 196, 8, 77, !!binary k4WkbmFtZaJJRKR0eXBlp2ludGVnZXKoYWZmaW5pdHlEq2lzX251bGxhYmxlwq9udWxsYWJsZV9hY3Rpb26lYWJvcnSFpG5hbWWhQaR0eXBlpnNjYWxhcqhhZmZpbml0eUSraXNfbnVsbGFibGXDr251bGxhYmxlX2FjdGlvbqRub25lhaRuYW1loUKkdHlwZaZzY2FsYXKoYWZmaW5pdHlEq2lzX251bGxhYmxlw69udWxsYWJsZV9hY3Rpb26kbm9uZQ==,
'00', !!binary cls4XT2ThaRuYW1loklEpHR5cGWnaW50ZWdlcqhhZmZpbml0eUSraXNfbnVsbGFibGXCr251bGxhYmxlX2FjdGlvbqVhYm9ydIWkbmFtZaFBpHR5cGWmc2NhbGFyqGFmZmluaXR5RKtpc19udWxsYWJsZcOvbnVsbGFibGVfYWN0aW9upG5vbmWFpG5hbWWhQqR0eXBlpnNjYWxhcqhhZmZpbml0eUSraXNfbnVsbGFibGXDr251bGxhYmxlX2FjdGlvbqRub25lIChsZW49MTk2LCBzdWJ0eXBlPTc3KQ==]
- [9, 'MakeRecord', 2, 7, 9, '', '00', 'r[9]=mkrec(r[2..8])']
- [10, 'SInsert', 280, 61, 9, '', '01', 'space id = 280, key = r[9], on error goto
61']
- [11, 'SCopy', 1, 10, 0, '', '00', 'r[10]=r[1]']
- [12, 'Integer', 0, 11, 0, '', '00', 'r[11]=0']
- [13, 'String8', 0, 12, 0, 'pk_unnamed_TEST2_1', '00', 'r[12]=''pk_unnamed_TEST2_1''']
- [14, 'String8', 0, 13, 0, 'tree', '00', 'r[13]=''tree''']
- [15, 'Blob', 14, 14, 77, !!binary gqZ1bmlxdWXDo3NxbKCRhaR0eXBlp2ludGVnZXKlZmllbGQ=,
'00', !!binary clsxNF09gqZ1bmlxdWXDo3NxbKCRhaR0eXBlp2ludGVnZXKlZmllbGQgKGxlbj0xNCwgc3VidHlwZT03Nyk=]
- [16, 'Blob', 72, 15, 77, !!binary kYWkdHlwZadpbnRlZ2VypWZpZWxk, '00', !!binary clsxNV09kYWkdHlwZadpbnRlZ2VypWZpZWxkIChsZW49NzIsIHN1YnR5cGU9Nzcp]
- [17, 'MakeRecord', 10, 6, 16, '', '00', 'r[16]=mkrec(r[10..15])']
- [18, 'SInsert', 288, 59, 16, '', '00', 'space id = 288, key = r[16], on error
goto 59']
- [19, 'SCopy', 1, 17, 0, '', '00', 'r[17]=r[1]']
- [20, 'Integer', 1, 18, 0, '', '00', 'r[18]=1']
- [21, 'String8', 0, 19, 0, 'unique_unnamed_TEST2_2', '00', 'r[19]=''unique_unnamed_TEST2_2''']
- [22, 'String8', 0, 20, 0, 'tree', '00', 'r[20]=''tree''']
- [23, 'Blob', 14, 21, 77, !!binary gqZ1bmlxdWXDo3NxbKCRhaR0eXBlpnNjYWxhcqVmaWVsZAGraXNfbnVsbGFibGXDr251bGxhYmxlX2FjdGlvbqRub25lqnNvcnRfb3JkZXKjYXNj,
'00', !!binary clsyMV09gqZ1bmlxdWXDo3NxbKCRhaR0eXBlpnNjYWxhcqVmaWVsZAGraXNfbnVsbGFibGXDr251bGxhYmxlX2FjdGlvbqRub25lqnNvcnRfb3JkZXKjYXNjIChsZW49MTQsIHN1YnR5cGU9Nzcp]
- [24, 'Blob', 70, 22, 77, !!binary kYWkdHlwZaZzY2FsYXKlZmllbGQBq2lzX251bGxhYmxlw69udWxsYWJsZV9hY3Rpb26kbm9uZapzb3J0X29yZGVyo2FzYw==,
'00', !!binary clsyMl09kYWkdHlwZaZzY2FsYXKlZmllbGQBq2lzX251bGxhYmxlw69udWxsYWJsZV9hY3Rpb26kbm9uZapzb3J0X29yZGVyo2FzYyAobGVuPTcwLCBzdWJ0eXBlPTc3KQ==]
- [25, 'MakeRecord', 17, 6, 23, '', '00', 'r[23]=mkrec(r[17..22])']
- [26, 'SInsert', 288, 57, 23, '', '00', 'space id = 288, key = r[23], on error
goto 57']
- [27, 'SCopy', 1, 24, 0, '', '00', 'r[24]=r[1]']
- [28, 'Integer', 2, 25, 0, '', '00', 'r[25]=2']
- [29, 'String8', 0, 26, 0, 'unique_unnamed_TEST2_3', '00', 'r[26]=''unique_unnamed_TEST2_3''']
- [30, 'String8', 0, 27, 0, 'tree', '00', 'r[27]=''tree''']
- [31, 'Blob', 14, 28, 77, !!binary gqZ1bmlxdWXDo3NxbKCRhaR0eXBlpnNjYWxhcqVmaWVsZAKraXNfbnVsbGFibGXDr251bGxhYmxlX2FjdGlvbqRub25lqnNvcnRfb3JkZXKjYXNj,
'00', !!binary clsyOF09gqZ1bmlxdWXDo3NxbKCRhaR0eXBlpnNjYWxhcqVmaWVsZAKraXNfbnVsbGFibGXDr251bGxhYmxlX2FjdGlvbqRub25lqnNvcnRfb3JkZXKjYXNjIChsZW49MTQsIHN1YnR5cGU9Nzcp]
- [32, 'Blob', 70, 29, 77, !!binary kYWkdHlwZaZzY2FsYXKlZmllbGQCq2lzX251bGxhYmxlw69udWxsYWJsZV9hY3Rpb26kbm9uZapzb3J0X29yZGVyo2FzYw==,
'00', !!binary clsyOV09kYWkdHlwZaZzY2FsYXKlZmllbGQCq2lzX251bGxhYmxlw69udWxsYWJsZV9hY3Rpb26kbm9uZapzb3J0X29yZGVyo2FzYyAobGVuPTcwLCBzdWJ0eXBlPTc3KQ==]
- [33, 'MakeRecord', 24, 6, 30, '', '00', 'r[30]=mkrec(r[24..29])']
- [34, 'SInsert', 288, 55, 30, '', '00', 'space id = 288, key = r[30], on error
goto 55']
- [35, 'String8', 0, 31, 0, 'FK_CONSTRAINT_1_TEST2', '00', 'r[31]=''FK_CONSTRAINT_1_TEST2''']
- [36, 'SCopy', 1, 32, 0, '', '00', 'r[32]=r[1]']
- [37, 'Integer', 512, 33, 0, '', '00', 'r[33]=512']
- [38, 'OpenWrite', 0, 0, 0, 'space<name=_fk_constraint>', '20', 'index id = 0,
space ptr = space<name=_fk_constraint>']
- [39, 'NoConflict', 0, 42, 31, '2', '00', 'key=r[31..32]']
- [40, 'Halt', 21, 0, 0, 'Constraint FK_CONSTRAINT_1_TEST2 already exists', 'aa',
'']
- [41, 'Close', 0, 0, 0, '', '00', '']
- [42, 'Bool', 0, 34, 0, '0', '00', 'r[34]=0']
- [43, 'String8', 0, 35, 0, 'simple', '00', 'r[35]=''simple''']
- [44, 'String8', 0, 36, 0, 'no_action', '00', 'r[36]=''no_action''']
- [45, 'String8', 0, 37, 0, 'no_action', '00', 'r[37]=''no_action''']
- [46, 'Blob', 2, 38, 77, !!binary kQ==, '00', !!binary clszOF09kSAobGVuPTIsIHN1YnR5cGU9Nzcp]
- [47, 'Blob', 2, 39, 77, !!binary kQ==, '00', !!binary clszOV09kSAobGVuPTIsIHN1YnR5cGU9Nzcp]
- [48, 'MakeRecord', 31, 9, 40, '', '00', 'r[40]=mkrec(r[31..39])']
- [49, 'SInsert', 356, 53, 40, '', '01', 'space id = 356, key = r[40], on error
goto 53']
- [50, 'Halt', 0, 0, 0, '', '00', '']
- [51, 'MakeRecord', 31, 2, 41, '', '00', 'r[41]=mkrec(r[31..32])']
- [52, 'SDelete', 356, 41, 0, '', '00', 'space id = 356, key = r[41]']
- [53, 'MakeRecord', 24, 2, 42, '', '00', 'r[42]=mkrec(r[24..25])']
- [54, 'SDelete', 288, 42, 0, '', '00', 'space id = 288, key = r[42]']
- [55, 'MakeRecord', 17, 2, 43, '', '00', 'r[43]=mkrec(r[17..18])']
- [56, 'SDelete', 288, 43, 0, '', '00', 'space id = 288, key = r[43]']
- [57, 'MakeRecord', 10, 2, 44, '', '00', 'r[44]=mkrec(r[10..11])']
- [58, 'SDelete', 288, 44, 0, '', '00', 'space id = 288, key = r[44]']
- [59, 'MakeRecord', 2, 1, 45, '', '00', 'r[45]=mkrec(r[2])']
- [60, 'SDelete', 280, 45, 0, '', '00', 'space id = 280, key = r[45]']
- [61, 'Halt', 21, 0, 1, '', '00', '']
next prev parent reply other threads:[~2018-09-20 19:14 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-07 19:04 [tarantool-patches] " imeevma
2018-09-18 16:18 ` [tarantool-patches] " Vladislav Shpilevoy
2018-09-20 18:02 ` Imeev Mergen
2018-09-20 19:14 ` Vladislav Shpilevoy [this message]
2018-09-22 9:21 ` Imeev Mergen
2018-09-24 10:44 ` Vladislav Shpilevoy
2018-10-01 13:05 ` n.pettik
2018-10-08 19:39 ` Imeev Mergen
2018-10-09 14:15 ` n.pettik
2018-10-10 16:27 ` Imeev Mergen
2018-10-11 15:09 ` n.pettik
2018-10-11 17:09 ` Imeev Mergen
2018-10-12 13:50 ` n.pettik
2018-11-01 14:37 ` Kirill Yukhin
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