expressions cds_source.ts

100% Statements 15/15

100% Branches 1/1

100% Functions 1/1

100% Lines 15/15

Press n or j to go to the next uncovered block, b, p or k for the previous block.


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x import {CDSAs, CDSCondition, CDSJoin, CDSName, CDSParametersSelect} from ".";
import {altPrio, Expression, opt, optPrio, seq, star} from "../../abap/2_statements/combi";
import {IStatementRunnable} from "../../abap/2_statements/statement_runnable";
 
export class CDSSource extends Expression {
  public getRunnable(): IStatementRunnable {
    // Static where filter in FROM: SomeTable [Field = 'Value']
    const staticFilter = seq("[", CDSCondition, "]");
    const singleSource = seq(CDSName, optPrio(CDSParametersSelect), optPrio(staticFilter), opt(altPrio(CDSAs, CDSName)));
    // FROM ( src [JOIN src ON cond]* ) — parenthesized join chain, arbitrarily nested
    // CDSSource is self-referential here to handle: (((T1 join T2) join T3) join T4)
    const parenSource = seq("(", altPrio(CDSSource, singleSource), star(CDSJoin), ")");
    return altPrio(parenSource, singleSource);
  }
}