[openCypher tck case] date/datetime/localdatetime/duration

[czpmango]

neo4j test:

neo4j@neo4j> return date("1970-6-8") as d;
+------------+
| d          |
+------------+
| 1970-06-08 |
+------------+

1 row available after 27 ms, consumed after another 3 ms
neo4j@neo4j> return date({year: 1816, week: 1}) as d;
+------------+
| d          |
+------------+
| 1816-01-01 |
+------------+

1 row available after 2 ms, consumed after another 1 ms
neo4j@neo4j> return date({year: 1984, month: 10, day: 11}) as d;
+------------+
| d          |
+------------+
| 1984-10-11 |
+------------+

1 row available after 44 ms, consumed after another 2 ms
neo4j@neo4j> return datetime({year: 1984, month: 10, day: 11}) as d;
+-------------------+
| d                 |
+-------------------+
| 1984-10-11T00:00Z |
+-------------------+

1 row available after 33 ms, consumed after another 2 ms
neo4j@neo4j> return localdatetime({year: 1984, month: 10, day: 11}) as d;
+------------------+
| d                |
+------------------+
| 1984-10-11T00:00 |
+------------------+

neo4j@neo4j> return datetime('2015-07-21T21:40:32.142+02:00[Europe/Stockholm]');
+-------------------------------------------------------------+
| datetime('2015-07-21T21:40:32.142+02:00[Europe/Stockholm]') |
+-------------------------------------------------------------+
| 2015-07-21T21:40:32.142+02:00[Europe/Stockholm]             |
+-------------------------------------------------------------+

neo4j@neo4j> return duration('P2.5W');
+-------------------+
| duration('P2.5W') |
+-------------------+
| P17DT12H          |
+-------------------+

nebula test:

(czp@nebula) [nba]> yield date({year: 1816, week: 1}) as d
+----------+
| d        |
+----------+
| BAD_DATA |
+----------+
Got 1 rows (time spent 23669/32619 us)

Fri, 22 Jan 2021 15:23:18 CST

(czp@nebula) [nba]> yield date("1970-6-8") as d
+----------+
| d        |
+----------+
| BAD_DATA |
+----------+
Got 1 rows (time spent 26484/38375 us)

(czp@nebula) [nba]> yield datetime({year: 1816, week: 1}) as d
+----------+
| d        |
+----------+
| BAD_DATA |
+----------+
Got 1 rows (time spent 23521/33883 us)

Fri, 22 Jan 2021 15:28:37 CST

(czp@nebula) [nba]> yield localdatetime({year: 1816, week: 1}) as d
[ERROR (-12)]: SemanticError: `localdatetime({year:1816,week:1})' is not a valid expression : Function `localdatetime' not defined

(czp@nebula) [nba]> yield datetime('2015-07-21T21:40:32.142+02:00[Europe/Stockholm]')
+-----------------------------------------------------------+
| datetime(2015-07-21T21:40:32.142+02:00[Europe/Stockholm]) |
+-----------------------------------------------------------+
| 2015-07-21T21:40:32.000                                   |
+-----------------------------------------------------------+

(czp@nebula) [nba]> yield  duration('P2.5W');
[ERROR (-12)]: SemanticError: `duration(P2.5W)' is not a valid expression : Function `duration' not defined

[Shylock-Hg]

This pr vesoft-inc/nebula-graph#984 resolve a little.