Update SHOW command

[ea-rus]

Changes:

• accept any keywords in SHOW:
  • SHOW aaa
  • SHOW aaa bbb

Fixes: #175:

• support SHOW create something identifier
  • except [if not exist] option
• SHOW EVENTS
• simple SHOW ERRORS
• SHOW PROFILE/PROFILES
• simple SHOW GRANTS

[github-actions]

Coverage Report

File	Stmts	Miss	Cover	Missing
mindsdb_sql
__about__.py	10	10	0%	1–10
__init__.py	24	1	96%	21
mindsdb_sql/parser
lexer.py	165	1	99%	243
logger.py	19	4	79%	14, 17, 23, 26
parser.py	456	31	93%	48, 53, 73, 77, 81, 87, 91–93, 121–128, 182, 199, 249, 253, 317, 346–347, 367, 378, 491, 526, 557, 567, 581, 657
utils.py	46	4	91%	73–79
mindsdb_sql/parser/ast
base.py	36	7	81%	13, 28, 31, 49–52
create.py	60	16	73%	7–8, 49–54, 73–85
drop.py	52	2	96%	10, 13
insert.py	62	5	92%	32, 35–37, 42
show.py	48	1	98%	18
update.py	53	5	91%	40–42, 75–76
mindsdb_sql/parser/ast/select
case.py	26	2	92%	19, 22
constant.py	35	1	97%	22
data.py	11	2	82%	15, 19
identifier.py	64	7	89%	43, 80–85
native_query.py	13	1	92%	25
operation.py	113	6	95%	27–30, 56, 65, 166
parameter.py	11	1	91%	10
select.py	97	3	97%	148–153
star.py	12	2	83%	8–9
union.py	23	1	96%	18
mindsdb_sql/parser/dialects/mindsdb
create_file.py	19	1	95%	14
create_predictor.py	92	1	99%	55
knowledge_base.py	40	1	98%	71
lexer.py	235	6	97%	332, 334, 336, 348, 350, 352
parser.py	941	26	97%	119, 123, 262, 287, 374, 376, 570, 587, 611–612, 738, 790, 844, 861, 995, 1005, 1043–1044, 1069, 1080, 1212, 1216, 1269, 1397, 1690, 1698
mindsdb_sql/parser/dialects/mysql
lexer.py	23	6	74%	16, 18, 20, 32, 34, 36
parser.py	609	23	96%	131, 133, 226–227, 356, 373, 423, 427, 501, 511, 549–550, 570, 581, 702, 730, 735–737, 741, 758, 902, 1048
show_index.py	17	11	35%	10–12, 15–23, 26–27
mindsdb_sql/planner
plan_join.py	274	12	96%	137, 173, 182, 209, 213, 302, 350, 368, 377–378, 406, 408
plan_join_ts.py	179	10	94%	53, 60, 83–84, 129, 181, 185, 193, 265, 332
query_plan.py	22	8	64%	13–21, 30
query_planner.py	385	63	84%	41–42, 65–66, 75, 152, 177, 382, 410–488, 531–532, 537, 563, 625, 655, 683, 708–710
query_prepare.py	284	61	79%	76, 78, 86–116, 227, 249, 272, 315, 336, 360, 389–443, 446–452, 483, 496–498, 507, 526
step_result.py	14	2	86%	7, 12
steps.py	174	22	87%	14, 19, 27, 32–34, 55–60, 67–73, 110–115
ts_utils.py	66	6	91%	59, 61, 81–84, 88
utils.py	241	41	83%	60, 106, 112, 127, 139, 151, 154, 166, 196, 209, 224, 230, 235, 242, 244, 249, 254–257, 262, 267, 273, 279, 282–293, 307, 337–338, 349–350, 365
mindsdb_sql/render
sqlalchemy_render.py	382	70	82%	38, 72, 74, 86, 91, 164–165, 178–179, 203, 233, 235, 264, 276, 282, 333, 396–407, 418–422, 452, 467, 472–482, 491–492, 516–527, 546, 569–593, 601, 605, 627–630, 650–653
TOTAL	6195	483	92%

Tests	Skipped	Failures	Errors	Time
661	1 💤	0 ❌	0 🔥	17.625s ⏱️