expressions cds_source.ts

100% Statements 12/12

100% Branches 1/1

100% Functions 1/1

100% Lines 12/12

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1x import {CDSAs, 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 {
    const singleSource = seq(CDSName, optPrio(CDSParametersSelect), opt(altPrio(CDSAs, CDSName)));
    // FROM ( src [JOIN src ON cond]* ) — parenthesized join chain as primary source
    const parenSource = seq("(", singleSource, star(CDSJoin), ")");
    return altPrio(parenSource, singleSource);
  }
}