Add Filter operator to Select, Update, Delete query plans

[alex-dukhno]

No issue to close

Description

add the simplest support for where clause in select, update and delete queries for simple PostgreSQL queries

Client output

e.g. for psql

postgres=> create schema schema_name;
CREATE SCHEMA
postgres=> create table schema_name.table_name (col1 smallint, col2 smallint, col3 smallint);
CREATE TABLE
postgres=> insert into schema_name.table_name values (1, 2, 3), (4, 5, 6), (7, 8, 9);
INSERT 0 3
postgres=> update schema_name.table_name set col1 = 7 where col1 = 4;
UPDATE 1
postgres=> select * from schema_name.table_name where col1 = 4
postgres-> ;
 col1 | col2 | col3
------+------+------
(0 rows)

postgres=> select * from schema_name.table_name where col1 = 7;
 col1 | col2 | col3
------+------+------
    7 |    5 |    6
    7 |    8 |    9
(2 rows)

postgres=> delete from schema_name.table_name where col2 = 5;
DELETE 1
postgres=> select * from schema_name.table_name where col1 = 7;
 col1 | col2 | col3
------+------+------
    7 |    8 |    9
(1 row)

[coveralls]

Pull Request Test Coverage Report for Build 738826771

• 163 of 229 (71.18%) changed or added relevant lines in 10 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+0.05%) to 68.408%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
node_engine/src/lib.rs	0	1	0.0%
sql_engine/data_manipulation/query_plan/src/lib.rs	62	74	83.78%
node_engine/src/query_engine/mod.rs	63	116	54.31%
<!--	Total:	163	229	71.18%	-->

Files with Coverage Reduction	New Missed Lines	%
node_engine/src/query_engine/mod.rs	1	55.9%
<!--	Total:	1		-->

Totals
Change from base Build 738500769:	0.05%
Covered Lines:	2540
Relevant Lines:	3713

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💛 - Coveralls