The [OPEN ON <date>] [CLOSE [ON <date>]] [CLEAR]] are not available in the #table form of the query

[Ev2geny]

It is my understanding from this discussion, that the [OPEN ON <date>] [CLOSE [ON <date>]] [CLEAR]] features shall also be available in the SELECT query, when using the #table query form. However this is not the case at the moment:

Example: suppose we have the following: ledger

2020-01-01 open Assets:Bank USD
2020-01-01 open Assets:Cash
2020-01-01 open Equity:Initial-Balance
2020-01-01 open Expenses:Food

2020-01-01 * "Initial Balance"
    Assets:Bank          1000.00 USD
    Equity:Initial-Balance


2020-01-02 * "Buy Groceries 2020-01-02"
    Assets:Bank          
    Expenses:Food        1.00 USD

2020-01-03 * "Buy Groceries 2020-01-03"
    Assets:Bank          
    Expenses:Food        10.00 USD

2020-01-04 * "Buy Groceries 2020-01-04"
    Assets:Bank          
    Expenses:Food        100.00 USD

Then this query works

beanquery> select *  FROM OPEN ON 2020-01-03
   date     f  p                            narration                               position  
----------  -  -  --------------------------------------------------------------  ------------
2020-01-02  S     Opening balance for 'Assets:Bank' (Summarization)                 999.00 USD
2020-01-02  S     Opening balance for 'Assets:Bank' (Summarization)                -999.00 USD
2020-01-02  S     Opening balance for 'Equity:Earnings:Previous' (Summarization)      1.00 USD
2020-01-02  S     Opening balance for 'Equity:Earnings:Previous' (Summarization)     -1.00 USD
2020-01-02  S     Opening balance for 'Equity:Initial-Balance' (Summarization)    -1000.00 USD
2020-01-02  S     Opening balance for 'Equity:Initial-Balance' (Summarization)     1000.00 USD
2020-01-03  *     Buy Groceries 2020-01-03                                          -10.00 USD
2020-01-03  *     Buy Groceries 2020-01-03                                           10.00 USD
2020-01-04  *     Buy Groceries 2020-01-04                                         -100.00 USD
2020-01-04  *     Buy Groceries 2020-01-04                                          100.00 USD
beanquery>

However this one does not work

beanquery> select *  FROM #postings OPEN ON 2020-01-03
error: syntax error
| select *  FROM #postings OPEN ON 2020-01-03
|                          ^
beanquery>

If I check at the beanquery/parser/bql.ebnf language definition file then for me it looks, that it icomes already from there, that OPEN ON, CLOSE ON and CLEAR only work in the traditional (not the #table) format

select::Select
    = 'SELECT' ['DISTINCT' distinct:`True`] targets:(','.{ target }+ | asterisk)
      ['FROM' from_clause:(_table | subselect | from)]
      ['WHERE' where_clause:expression]
      ['GROUP' 'BY' group_by:groupby]
      ['ORDER' 'BY' order_by:','.{order}+]
      ['PIVOT' 'BY' pivot_by:pivotby]
      ['LIMIT' limit:integer]
    ;

subselect
    = '(' @:select ')'
    ;

from::From
    =
    | 'OPEN' ~ 'ON' open:date ['CLOSE' ('ON' close:date | {} close:`True`)] ['CLEAR' clear:`True`]
    | 'CLOSE' ~ ('ON' close:date | {} close:`True`) ['CLEAR' clear:`True`]
    | 'CLEAR' ~ clear:`True`
    | expression:expression ['OPEN' 'ON' open:date] ['CLOSE' ('ON' close:date | {} close:`True`)] ['CLEAR' clear:`True`]
    ;

_table::Table
    =
    | name:/#([a-zA-Z_][a-zA-Z0-9_]*)?/
    | name:quoted_identifier
    ;