[tarantool-patches] [PATCH v1 1/1] sql: remove _sql_stat1 and _sql_stat4 system tables
Imeev Mergen
imeevma at tarantool.org
Tue Apr 2 19:03:16 MSK 2019
Issue: https://github.com/tarantool/tarantool/issues/2843
Branch:
https://github.com/tarantool/tarantool/tree/imeevma/gh-2843-drop-_sql_stat-tables
On 4/2/19 12:25 PM, imeevma at tarantool.org wrote:
> These tables won't be used anymore and should be deleted.
>
> Part of #2843
> Follow up #4069
> ---
> src/box/bootstrap.snap | Bin 1837 -> 1738 bytes
> src/box/lua/space.cc | 4 ----
> src/box/lua/upgrade.lua | 27 -------------------------
> src/box/schema.cc | 16 ---------------
> src/box/schema_def.h | 3 ---
> src/box/sql.c | 2 +-
> src/box/sql/analyze.c | 17 ++++++++++------
> src/box/sql/build.c | 34 +++++++-------------------------
> test/app-tap/tarantoolctl.test.lua | 4 ++--
> test/box-py/bootstrap.result | 8 --------
> test/box/access_misc.result | 5 -----
> test/box/access_sysview.result | 6 +++---
> test/box/alter.result | 3 ---
> test/sql-tap/gh-3350-skip-scan.test.lua | 10 +++++-----
> test/sql-tap/suite.ini | 1 +
> test/sql/delete.result | 4 ++--
> test/sql/delete.test.lua | 2 +-
> test/sql/triggers.result | 4 ++--
> test/sql/triggers.test.lua | 4 ++--
> test/sql/upgrade.result | 20 -------------------
> test/sql/upgrade.test.lua | 4 ----
> test/wal_off/alter.result | 2 +-
> 22 files changed, 38 insertions(+), 142 deletions(-)
>
> diff --git a/src/box/bootstrap.snap b/src/box/bootstrap.snap
> index 63f5f87..019b567 100644
> Binary files a/src/box/bootstrap.snap and b/src/box/bootstrap.snap differ
>
> diff --git a/src/box/lua/space.cc b/src/box/lua/space.cc
> index 9dfc97b..5a5875e 100644
> --- a/src/box/lua/space.cc
> +++ b/src/box/lua/space.cc
> @@ -556,10 +556,6 @@ box_lua_space_init(struct lua_State *L)
> lua_setfield(L, -2, "CLUSTER_ID");
> lua_pushnumber(L, BOX_TRIGGER_ID);
> lua_setfield(L, -2, "TRIGGER_ID");
> - lua_pushnumber(L, BOX_SQL_STAT1_ID);
> - lua_setfield(L, -2, "SQL_STAT1_ID");
> - lua_pushnumber(L, BOX_SQL_STAT4_ID);
> - lua_setfield(L, -2, "SQL_STAT4_ID");
> lua_pushnumber(L, BOX_FK_CONSTRAINT_ID);
> lua_setfield(L, -2, "FK_CONSTRAINT_ID");
> lua_pushnumber(L, BOX_TRUNCATE_ID);
> diff --git a/src/box/lua/upgrade.lua b/src/box/lua/upgrade.lua
> index 37ab761..aa316ee 100644
> --- a/src/box/lua/upgrade.lua
> +++ b/src/box/lua/upgrade.lua
> @@ -553,33 +553,6 @@ local function upgrade_to_2_1_0()
> _index:insert{_trigger.id, 1, 'space_id', 'tree', { unique = false },
> {{1, 'unsigned'}}}
>
> - local stat1_ft = {{name='tbl', type='string'},
> - {name='idx', type='string'},
> - {name='stat', type='string'}}
> - local stat4_ft = {{name='tbl', type='string'},
> - {name='idx', type='string'},
> - {name='neq', type='string'},
> - {name='nlt', type='string'},
> - {name='ndlt', type='string'},
> - {name='sample', type='scalar'}}
> -
> - log.info("create space _sql_stat1")
> - _space:insert{box.schema.SQL_STAT1_ID, ADMIN, '_sql_stat1', 'memtx', 0,
> - MAP, stat1_ft}
> -
> - log.info("create index primary on _sql_stat1")
> - _index:insert{box.schema.SQL_STAT1_ID, 0, 'primary', 'tree',
> - {unique = true}, {{0, 'string'}, {1, 'string'}}}
> -
> - log.info("create space _sql_stat4")
> - _space:insert{box.schema.SQL_STAT4_ID, ADMIN, '_sql_stat4', 'memtx', 0,
> - MAP, stat4_ft}
> -
> - log.info("create index primary on _sql_stat4")
> - _index:insert{box.schema.SQL_STAT4_ID, 0, 'primary', 'tree',
> - {unique = true}, {{0, 'string'}, {1, 'string'},
> - {5, 'scalar'}}}
> -
> local fk_constr_ft = {{name='name', type='string'},
> {name='child_id', type='unsigned'},
> {name='parent_id', type='unsigned'},
> diff --git a/src/box/schema.cc b/src/box/schema.cc
> index 79d0de4..9a55c2f 100644
> --- a/src/box/schema.cc
> +++ b/src/box/schema.cc
> @@ -452,22 +452,6 @@ schema_init()
> sc_space_new(BOX_INDEX_ID, "_index", key_parts, 2,
> &alter_space_on_replace_index, &on_stmt_begin_index);
>
> - /* _sql_stat1 - a simpler statistics on space, seen in SQL. */
> - key_parts[0].fieldno = 0; /* space name */
> - key_parts[0].type = FIELD_TYPE_STRING;
> - key_parts[1].fieldno = 1; /* index name */
> - key_parts[1].type = FIELD_TYPE_STRING;
> - sc_space_new(BOX_SQL_STAT1_ID, "_sql_stat1", key_parts, 2, NULL, NULL);
> -
> - /* _sql_stat4 - extensive statistics on space, seen in SQL. */
> - key_parts[0].fieldno = 0; /* space name */
> - key_parts[0].type = FIELD_TYPE_STRING;
> - key_parts[1].fieldno = 1; /* index name */
> - key_parts[1].type = FIELD_TYPE_STRING;
> - key_parts[2].fieldno = 5; /* sample */
> - key_parts[2].type = FIELD_TYPE_SCALAR;
> - sc_space_new(BOX_SQL_STAT4_ID, "_sql_stat4", key_parts, 3, NULL, NULL);
> -
> /* _fk_сonstraint - foreign keys constraints. */
> key_parts[0].fieldno = 0; /* constraint name */
> key_parts[0].type = FIELD_TYPE_STRING;
> diff --git a/src/box/schema_def.h b/src/box/schema_def.h
> index a760ecc..eeeeb95 100644
> --- a/src/box/schema_def.h
> +++ b/src/box/schema_def.h
> @@ -106,9 +106,6 @@ enum {
> BOX_TRUNCATE_ID = 330,
> /** Space id of _space_sequence. */
> BOX_SPACE_SEQUENCE_ID = 340,
> - /** Space ids for SQL statictics. */
> - BOX_SQL_STAT1_ID = 348,
> - BOX_SQL_STAT4_ID = 349,
> /** Space id of _fk_constraint. */
> BOX_FK_CONSTRAINT_ID = 356,
> /** End of the reserved range of system spaces. */
> diff --git a/src/box/sql.c b/src/box/sql.c
> index 4fac020..7beeee1 100644
> --- a/src/box/sql.c
> +++ b/src/box/sql.c
> @@ -87,7 +87,7 @@ sql_load_schema()
> * statistics (_sql_stat1 and _sql_stat4). Thus, we can
> * skip statistics loading.
> */
> - struct space *stat = space_by_id(BOX_SQL_STAT1_ID);
> + struct space *stat = space_by_name("_sql_stat1");
> assert(stat != NULL);
> if (stat->def->field_count == 0)
> return;
> diff --git a/src/box/sql/analyze.c b/src/box/sql/analyze.c
> index 0663c66..0c02050 100644
> --- a/src/box/sql/analyze.c
> +++ b/src/box/sql/analyze.c
> @@ -127,7 +127,6 @@ static void
> vdbe_emit_stat_space_open(struct Parse *parse, const char *table_name)
> {
> const char *stat_names[] = {"_sql_stat1", "_sql_stat4"};
> - const uint32_t stat_ids[] = {BOX_SQL_STAT1_ID, BOX_SQL_STAT4_ID};
> struct Vdbe *v = sqlGetVdbe(parse);
> assert(v != NULL);
> assert(sqlVdbeDb(v) == parse->db);
> @@ -137,7 +136,9 @@ vdbe_emit_stat_space_open(struct Parse *parse, const char *table_name)
> vdbe_emit_stat_space_clear(parse, space_name, NULL,
> table_name);
> } else {
> - sqlVdbeAddOp1(v, OP_Clear, stat_ids[i]);
> + struct space *stat_space = space_by_name(stat_names[i]);
> + assert(stat_space != NULL);
> + sqlVdbeAddOp1(v, OP_Clear, stat_space->def->id);
> }
> }
> }
> @@ -766,9 +767,9 @@ static void
> vdbe_emit_analyze_space(struct Parse *parse, struct space *space)
> {
> assert(space != NULL);
> - struct space *stat1 = space_by_id(BOX_SQL_STAT1_ID);
> + struct space *stat1 = space_by_name("_sql_stat1");
> assert(stat1 != NULL);
> - struct space *stat4 = space_by_id(BOX_SQL_STAT4_ID);
> + struct space *stat4 = space_by_name("_sql_stat4");
> assert(stat4 != NULL);
>
> /* Register to hold Stat4Accum object. */
> @@ -1374,7 +1375,9 @@ load_stat_from_space(struct sql *db, const char *sql_select_prepare,
> const char *sql_select_load, struct index_stat *stats)
> {
> struct index **indexes = NULL;
> - uint32_t index_count = box_index_len(BOX_SQL_STAT4_ID, 0);
> + struct space *stat_space = space_by_name("_sql_stat4");
> + assert(stat_space != NULL);
> + uint32_t index_count = box_index_len(stat_space->def->id, 0);
> if (index_count > 0) {
> size_t alloc_size = sizeof(struct index *) * index_count;
> indexes = region_alloc(&fiber()->gc, alloc_size);
> @@ -1683,7 +1686,9 @@ stat_copy(struct index_stat *dest, const struct index_stat *src)
> int
> sql_analysis_load(struct sql *db)
> {
> - ssize_t index_count = box_index_len(BOX_SQL_STAT1_ID, 0);
> + struct space *stat_space = space_by_name("_sql_stat1");
> + assert(stat_space != NULL);
> + ssize_t index_count = box_index_len(stat_space->def->id, 0);
> if (index_count < 0)
> return SQL_TARANTOOL_ERROR;
> if (box_txn_begin() != 0)
> diff --git a/src/box/sql/build.c b/src/box/sql/build.c
> index 5b1e933..af585c3 100644
> --- a/src/box/sql/build.c
> +++ b/src/box/sql/build.c
> @@ -1405,23 +1405,6 @@ vdbe_emit_stat_space_clear(struct Parse *parse, const char *stat_table_name,
> }
>
> /**
> - * Remove entries from the _sql_stat1 and _sql_stat4
> - * system spaces after a DROP INDEX or DROP TABLE command.
> - *
> - * @param parse The parsing context.
> - * @param table_name The table to be dropped or
> - * the table that contains index to be dropped.
> - * @param idx_name Index to be dropped.
> - */
> -static void
> -sql_clear_stat_spaces(struct Parse *parse, const char *table_name,
> - const char *idx_name)
> -{
> - vdbe_emit_stat_space_clear(parse, "_sql_stat4", idx_name, table_name);
> - vdbe_emit_stat_space_clear(parse, "_sql_stat1", idx_name, table_name);
> -}
> -
> -/**
> * Generate VDBE program to remove entry from _fk_constraint space.
> *
> * @param parse_context Parsing context.
> @@ -1494,6 +1477,7 @@ sql_code_drop_table(struct Parse *parse_context, struct space *space,
> */
> int idx_rec_reg = ++parse_context->nMem;
> int space_id_reg = ++parse_context->nMem;
> + int index_id_reg = ++parse_context->nMem;
> int space_id = space->def->id;
> sqlVdbeAddOp2(v, OP_Integer, space_id, space_id_reg);
> sqlVdbeAddOp1(v, OP_CheckViewReferences, space_id_reg);
> @@ -1544,7 +1528,7 @@ sql_code_drop_table(struct Parse *parse_context, struct space *space,
> for (uint32_t i = 1; i < index_count; ++i) {
> sqlVdbeAddOp2(v, OP_Integer,
> space->index[i]->def->iid,
> - space_id_reg + 1);
> + index_id_reg);
> sqlVdbeAddOp3(v, OP_MakeRecord,
> space_id_reg, 2, idx_rec_reg);
> sqlVdbeAddOp2(v, OP_SDelete, BOX_INDEX_ID,
> @@ -1554,7 +1538,7 @@ sql_code_drop_table(struct Parse *parse_context, struct space *space,
> space->index[i]->def->iid));
> }
> }
> - sqlVdbeAddOp2(v, OP_Integer, 0, space_id_reg + 1);
> + sqlVdbeAddOp2(v, OP_Integer, 0, index_id_reg);
> sqlVdbeAddOp3(v, OP_MakeRecord, space_id_reg, 2,
> idx_rec_reg);
> sqlVdbeAddOp2(v, OP_SDelete, BOX_INDEX_ID, idx_rec_reg);
> @@ -1620,14 +1604,13 @@ sql_drop_table(struct Parse *parse_context, struct SrcList *table_name_list,
> * Generate code to remove the table from Tarantool
> * and internal SQL tables. Basically, it consists
> * from 3 stages:
> - * 1. Delete statistics from _stat1 and _stat4 tables.
> - * 2. In case of presence of FK constraints, i.e. current
> + * 1. In case of presence of FK constraints, i.e. current
> * table is child or parent, then start new transaction
> * and erase from table all data row by row. On each
> * deletion check whether any FK violations have
> * occurred. If ones take place, then rollback
> * transaction and halt VDBE.
> - * 3. Drop table by truncating (if step 2 was skipped),
> + * 2. Drop table by truncating (if step 2 was skipped),
> * removing indexes from _index space and eventually
> * tuple with corresponding space_id from _space.
> */
> @@ -1641,7 +1624,6 @@ sql_drop_table(struct Parse *parse_context, struct SrcList *table_name_list,
> goto exit_drop_table;
> }
> }
> - sql_clear_stat_spaces(parse_context, space_name, NULL);
> sql_code_drop_table(parse_context, space, is_view);
>
> exit_drop_table:
> @@ -2478,19 +2460,17 @@ sql_drop_index(struct Parse *parse_context, struct SrcList *index_name_list,
> }
> goto exit_drop_index;
> }
> - struct index *index = space_index(space, index_id);
> - assert(index != NULL);
>
> /*
> * Generate code to remove entry from _index space
> * But firstly, delete statistics since schema
> * changes after DDL.
> */
> - sql_clear_stat_spaces(parse_context, table_name, index->def->name);
> int record_reg = ++parse_context->nMem;
> int space_id_reg = ++parse_context->nMem;
> + int index_id_reg =++parse_context->nMem;
> sqlVdbeAddOp2(v, OP_Integer, space->def->id, space_id_reg);
> - sqlVdbeAddOp2(v, OP_Integer, index_id, space_id_reg + 1);
> + sqlVdbeAddOp2(v, OP_Integer, index_id, index_id_reg);
> sqlVdbeAddOp3(v, OP_MakeRecord, space_id_reg, 2, record_reg);
> sqlVdbeAddOp2(v, OP_SDelete, BOX_INDEX_ID, record_reg);
> sqlVdbeChangeP5(v, OPFLAG_NCHANGE);
> diff --git a/test/app-tap/tarantoolctl.test.lua b/test/app-tap/tarantoolctl.test.lua
> index a914db5..62a78d6 100755
> --- a/test/app-tap/tarantoolctl.test.lua
> +++ b/test/app-tap/tarantoolctl.test.lua
> @@ -403,8 +403,8 @@ do
> check_ctlcat_xlog(test_i, dir, "--from=3 --to=6 --format=json --show-system --replica 1", "\n", 3)
> check_ctlcat_xlog(test_i, dir, "--from=3 --to=6 --format=json --show-system --replica 1 --replica 2", "\n", 3)
> check_ctlcat_xlog(test_i, dir, "--from=3 --to=6 --format=json --show-system --replica 2", "\n", 0)
> - check_ctlcat_snap(test_i, dir, "--space=280", "---\n", 23)
> - check_ctlcat_snap(test_i, dir, "--space=288", "---\n", 49)
> + check_ctlcat_snap(test_i, dir, "--space=280", "---\n", 21)
> + check_ctlcat_snap(test_i, dir, "--space=288", "---\n", 47)
> end)
> end)
>
> diff --git a/test/box-py/bootstrap.result b/test/box-py/bootstrap.result
> index 69fbded..3e75b8f 100644
> --- a/test/box-py/bootstrap.result
> +++ b/test/box-py/bootstrap.result
> @@ -73,11 +73,6 @@ box.space._space:select{}
> 'type': 'unsigned'}]]
> - [340, 1, '_space_sequence', 'memtx', 0, {}, [{'name': 'id', 'type': 'unsigned'},
> {'name': 'sequence_id', 'type': 'unsigned'}, {'name': 'is_generated', 'type': 'boolean'}]]
> - - [348, 1, '_sql_stat1', 'memtx', 0, {}, [{'name': 'tbl', 'type': 'string'}, {'name': 'idx',
> - 'type': 'string'}, {'name': 'stat', 'type': 'string'}]]
> - - [349, 1, '_sql_stat4', 'memtx', 0, {}, [{'name': 'tbl', 'type': 'string'}, {'name': 'idx',
> - 'type': 'string'}, {'name': 'neq', 'type': 'string'}, {'name': 'nlt', 'type': 'string'},
> - {'name': 'ndlt', 'type': 'string'}, {'name': 'sample', 'type': 'scalar'}]]
> - [356, 1, '_fk_constraint', 'memtx', 0, {}, [{'name': 'name', 'type': 'string'},
> {'name': 'child_id', 'type': 'unsigned'}, {'name': 'parent_id', 'type': 'unsigned'},
> {'name': 'is_deferred', 'type': 'boolean'}, {'name': 'match', 'type': 'string'},
> @@ -133,9 +128,6 @@ box.space._index:select{}
> - [330, 0, 'primary', 'tree', {'unique': true}, [[0, 'unsigned']]]
> - [340, 0, 'primary', 'tree', {'unique': true}, [[0, 'unsigned']]]
> - [340, 1, 'sequence', 'tree', {'unique': false}, [[1, 'unsigned']]]
> - - [348, 0, 'primary', 'tree', {'unique': true}, [[0, 'string'], [1, 'string']]]
> - - [349, 0, 'primary', 'tree', {'unique': true}, [[0, 'string'], [1, 'string'], [
> - 5, 'scalar']]]
> - [356, 0, 'primary', 'tree', {'unique': true}, [[0, 'string'], [1, 'unsigned']]]
> - [356, 1, 'child_id', 'tree', {'unique': false}, [[1, 'unsigned']]]
> ...
> diff --git a/test/box/access_misc.result b/test/box/access_misc.result
> index 4ffeb38..36ebfae 100644
> --- a/test/box/access_misc.result
> +++ b/test/box/access_misc.result
> @@ -813,11 +813,6 @@ box.space._space:select()
> 'type': 'unsigned'}]]
> - [340, 1, '_space_sequence', 'memtx', 0, {}, [{'name': 'id', 'type': 'unsigned'},
> {'name': 'sequence_id', 'type': 'unsigned'}, {'name': 'is_generated', 'type': 'boolean'}]]
> - - [348, 1, '_sql_stat1', 'memtx', 0, {}, [{'name': 'tbl', 'type': 'string'}, {'name': 'idx',
> - 'type': 'string'}, {'name': 'stat', 'type': 'string'}]]
> - - [349, 1, '_sql_stat4', 'memtx', 0, {}, [{'name': 'tbl', 'type': 'string'}, {'name': 'idx',
> - 'type': 'string'}, {'name': 'neq', 'type': 'string'}, {'name': 'nlt', 'type': 'string'},
> - {'name': 'ndlt', 'type': 'string'}, {'name': 'sample', 'type': 'scalar'}]]
> - [356, 1, '_fk_constraint', 'memtx', 0, {}, [{'name': 'name', 'type': 'string'},
> {'name': 'child_id', 'type': 'unsigned'}, {'name': 'parent_id', 'type': 'unsigned'},
> {'name': 'is_deferred', 'type': 'boolean'}, {'name': 'match', 'type': 'string'},
> diff --git a/test/box/access_sysview.result b/test/box/access_sysview.result
> index fd8b142..ae04266 100644
> --- a/test/box/access_sysview.result
> +++ b/test/box/access_sysview.result
> @@ -230,11 +230,11 @@ box.session.su('guest')
> ...
> #box.space._vspace:select{}
> ---
> -- 24
> +- 22
> ...
> #box.space._vindex:select{}
> ---
> -- 50
> +- 48
> ...
> #box.space._vuser:select{}
> ---
> @@ -262,7 +262,7 @@ box.session.su('guest')
> ...
> #box.space._vindex:select{}
> ---
> -- 50
> +- 48
> ...
> #box.space._vuser:select{}
> ---
> diff --git a/test/box/alter.result b/test/box/alter.result
> index 37bc51c..c1b1de1 100644
> --- a/test/box/alter.result
> +++ b/test/box/alter.result
> @@ -228,9 +228,6 @@ _index:select{}
> - [330, 0, 'primary', 'tree', {'unique': true}, [[0, 'unsigned']]]
> - [340, 0, 'primary', 'tree', {'unique': true}, [[0, 'unsigned']]]
> - [340, 1, 'sequence', 'tree', {'unique': false}, [[1, 'unsigned']]]
> - - [348, 0, 'primary', 'tree', {'unique': true}, [[0, 'string'], [1, 'string']]]
> - - [349, 0, 'primary', 'tree', {'unique': true}, [[0, 'string'], [1, 'string'], [
> - 5, 'scalar']]]
> - [356, 0, 'primary', 'tree', {'unique': true}, [[0, 'string'], [1, 'unsigned']]]
> - [356, 1, 'child_id', 'tree', {'unique': false}, [[1, 'unsigned']]]
> ...
> diff --git a/test/sql-tap/gh-3350-skip-scan.test.lua b/test/sql-tap/gh-3350-skip-scan.test.lua
> index c326f7c..4cecfe0 100755
> --- a/test/sql-tap/gh-3350-skip-scan.test.lua
> +++ b/test/sql-tap/gh-3350-skip-scan.test.lua
> @@ -32,7 +32,7 @@ test:do_execsql_test(
> (SELECT int_to_char(0), 'xyz', 'zyx', '*', 0, 0 UNION ALL
> SELECT int_to_char(f+1), b, c, d, (e+1) % 2, f+1 FROM data WHERE f<1024)
> INSERT INTO t1 SELECT a, b, c, d, e, f FROM data;
> - -- ANALYZE;
> + ANALYZE;
> SELECT COUNT(*) FROM t1 WHERE a < 'aaad';
> DROP TABLE t1;
> ]], {
> @@ -49,7 +49,7 @@ test:do_execsql_test(
> (SELECT int_to_char(0), 'xyz', 'zyx', '*', 0, 0 UNION ALL
> SELECT int_to_char(f+1), b, c, d, (e+1) % 2, f+1 FROM data WHERE f<1024)
> INSERT INTO t2 SELECT a, b, c, d, e, f FROM data;
> - -- ANALYZE;
> + ANALYZE;
> SELECT COUNT(*) FROM t2 WHERE f < 500;
> DROP TABLE t2;
> ]], {
> @@ -68,7 +68,7 @@ test:do_execsql_test(
> (SELECT int_to_char(0), 'xyz', 'zyx', '*', 0, 0 UNION ALL
> SELECT int_to_char(f+1), b, c, d, (e+1) % 2, f+1 FROM data WHERE f<1024)
> INSERT INTO t3 SELECT a, b, c, d, e, f FROM data;
> - -- ANALYZE;
> + ANALYZE;
> SELECT COUNT(*) FROM t3 WHERE f < 500;
> DROP INDEX i31 on t3;
> DROP TABLE t3;
> @@ -93,11 +93,11 @@ test:do_execsql_test(
> INSERT INTO t1 VALUES(5, 'def',567,8,9);
> INSERT INTO t1 VALUES(6, 'def',345,9,10);
> INSERT INTO t1 VALUES(7, 'bcd',100,6,11);
> - -- ANALYZE;
> + ANALYZE;
> DELETE FROM "_sql_stat1";
> DELETE FROM "_sql_stat4";
> INSERT INTO "_sql_stat1" VALUES('T1','T1ABC','10000 5000 2000 10');
> - -- ANALYZE t2;
> + ANALYZE t2;
> SELECT a,b,c,d FROM t1 WHERE b=345;
> ]], {
> "abc", 345, 7, 8, "def", 345, 9, 10
> diff --git a/test/sql-tap/suite.ini b/test/sql-tap/suite.ini
> index 95207f4..f3d6b60 100644
> --- a/test/sql-tap/suite.ini
> +++ b/test/sql-tap/suite.ini
> @@ -20,6 +20,7 @@ disabled = selectA.test.lua ;
> analyzeD.test.lua ;
> analyzeE.test.lua ;
> analyzeF.test.lua ;
> + gh-3350-skip-scan.test.lua ;
>
> lua_libs = lua/sqltester.lua ../sql/lua/sql_tokenizer.lua ../box/lua/identifier.lua
> is_parallel = True
> diff --git a/test/sql/delete.result b/test/sql/delete.result
> index 40da0a6..46060ee 100644
> --- a/test/sql/delete.result
> +++ b/test/sql/delete.result
> @@ -63,9 +63,9 @@ box.sql.execute("DROP TABLE t2;")
> -- gh-2201: TRUNCATE TABLE operation.
> --
> -- can't truncate system table.
> -box.sql.execute("TRUNCATE TABLE \"_sql_stat1\";")
> +box.sql.execute("TRUNCATE TABLE \"_fk_constraint\";")
> ---
> -- error: Can't truncate a system space, space '_sql_stat1'
> +- error: Can't truncate a system space, space '_fk_constraint'
> ...
> box.sql.execute("CREATE TABLE t1(id INT PRIMARY KEY, a INT, b TEXT);")
> ---
> diff --git a/test/sql/delete.test.lua b/test/sql/delete.test.lua
> index b61a993..a9d6c35 100644
> --- a/test/sql/delete.test.lua
> +++ b/test/sql/delete.test.lua
> @@ -44,7 +44,7 @@ box.sql.execute("DROP TABLE t2;")
> --
>
> -- can't truncate system table.
> -box.sql.execute("TRUNCATE TABLE \"_sql_stat1\";")
> +box.sql.execute("TRUNCATE TABLE \"_fk_constraint\";")
>
> box.sql.execute("CREATE TABLE t1(id INT PRIMARY KEY, a INT, b TEXT);")
> box.sql.execute("INSERT INTO t1 VALUES(1, 1, 'one');")
> diff --git a/test/sql/triggers.result b/test/sql/triggers.result
> index 7fa8611..1b4d908 100644
> --- a/test/sql/triggers.result
> +++ b/test/sql/triggers.result
> @@ -230,10 +230,10 @@ box.space._trigger:insert(tuple)
> ---
> - error: 'SQL error: cannot create AFTER trigger on view: V1'
> ...
> -space_id = box.space._sql_stat1.id
> +space_id = box.space._fk_constraint.id
> ---
> ...
> -tuple = {"T1T", space_id, {sql = [[create trigger t1t instead of update on "_sql_stat1" for each row begin delete from t1 WHERE a=old.a+2; end;]]}}
> +tuple = {"T1T", space_id, {sql = [[create trigger t1t instead of update on "_fk_constraint" for each row begin delete from t1 WHERE a=old.a+2; end;]]}}
> ---
> ...
> box.space._trigger:insert(tuple)
> diff --git a/test/sql/triggers.test.lua b/test/sql/triggers.test.lua
> index 6618a41..7806442 100644
> --- a/test/sql/triggers.test.lua
> +++ b/test/sql/triggers.test.lua
> @@ -89,8 +89,8 @@ box.space._trigger:insert(tuple)
> tuple = {"V1T", space_id, {sql = [[create trigger v1t AFTER update on v1 for each row begin delete from t1 WHERE a=old.a+2; end;]]}}
> box.space._trigger:insert(tuple)
>
> -space_id = box.space._sql_stat1.id
> -tuple = {"T1T", space_id, {sql = [[create trigger t1t instead of update on "_sql_stat1" for each row begin delete from t1 WHERE a=old.a+2; end;]]}}
> +space_id = box.space._fk_constraint.id
> +tuple = {"T1T", space_id, {sql = [[create trigger t1t instead of update on "_fk_constraint" for each row begin delete from t1 WHERE a=old.a+2; end;]]}}
> box.space._trigger:insert(tuple)
>
> box.sql.execute("DROP VIEW V1;")
> diff --git a/test/sql/upgrade.result b/test/sql/upgrade.result
> index 0e2a4d5..80992a7 100644
> --- a/test/sql/upgrade.result
> +++ b/test/sql/upgrade.result
> @@ -28,30 +28,10 @@ box.space._space.index['name']:get('_trigger')
> - [328, 1, '_trigger', 'memtx', 0, {}, [{'name': 'name', 'type': 'string'}, {'name': 'space_id',
> 'type': 'unsigned'}, {'name': 'opts', 'type': 'map'}]]
> ...
> -box.space._space.index['name']:get('_sql_stat1')
> ----
> -- [348, 1, '_sql_stat1', 'memtx', 0, {}, [{'name': 'tbl', 'type': 'string'}, {'name': 'idx',
> - 'type': 'string'}, {'name': 'stat', 'type': 'string'}]]
> -...
> -box.space._space.index['name']:get('_sql_stat4')
> ----
> -- [349, 1, '_sql_stat4', 'memtx', 0, {}, [{'name': 'tbl', 'type': 'string'}, {'name': 'idx',
> - 'type': 'string'}, {'name': 'neq', 'type': 'string'}, {'name': 'nlt', 'type': 'string'},
> - {'name': 'ndlt', 'type': 'string'}, {'name': 'sample', 'type': 'scalar'}]]
> -...
> box.space._index:get({box.space._space.index['name']:get('_trigger').id, 0})
> ---
> - [328, 0, 'primary', 'tree', {'unique': true}, [[0, 'string']]]
> ...
> -box.space._index:get({box.space._space.index['name']:get('_sql_stat1').id, 0})
> ----
> -- [348, 0, 'primary', 'tree', {'unique': true}, [[0, 'string'], [1, 'string']]]
> -...
> -box.space._index:get({box.space._space.index['name']:get('_sql_stat4').id, 0})
> ----
> -- [349, 0, 'primary', 'tree', {'unique': true}, [[0, 'string'], [1, 'string'], [5,
> - 'scalar']]]
> -...
> box.space._schema:format()
> ---
> - [{'type': 'string', 'name': 'key'}, {'type': 'any', 'name': 'value', 'is_nullable': true}]
> diff --git a/test/sql/upgrade.test.lua b/test/sql/upgrade.test.lua
> index 58bba0a..6e8555d 100644
> --- a/test/sql/upgrade.test.lua
> +++ b/test/sql/upgrade.test.lua
> @@ -10,12 +10,8 @@ test_run:switch('upgrade')
>
> -- test system tables
> box.space._space.index['name']:get('_trigger')
> -box.space._space.index['name']:get('_sql_stat1')
> -box.space._space.index['name']:get('_sql_stat4')
>
> box.space._index:get({box.space._space.index['name']:get('_trigger').id, 0})
> -box.space._index:get({box.space._space.index['name']:get('_sql_stat1').id, 0})
> -box.space._index:get({box.space._space.index['name']:get('_sql_stat4').id, 0})
>
> box.space._schema:format()
>
> diff --git a/test/wal_off/alter.result b/test/wal_off/alter.result
> index b4c6a92..becdf13 100644
> --- a/test/wal_off/alter.result
> +++ b/test/wal_off/alter.result
> @@ -28,7 +28,7 @@ end;
> ...
> #spaces;
> ---
> -- 65509
> +- 65511
> ...
> -- cleanup
> for k, v in pairs(spaces) do
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