expressions sql_field_list.ts

100% Statements 19/19

100% Branches 1/1

100% Functions 1/1

100% Lines 19/19

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1x import {seq, ver, Expression, alt, starPrio, altPrio, tok} from "../combi";
import {SQLField, Dynamic, SQLFieldName} from ".";
import {Version} from "../../../version";
import {IStatementRunnable} from "../statement_runnable";
import {WParenLeftW, WParenRightW} from "../../1_lexer/tokens";
 
export class SQLFieldList extends Expression {
  public getRunnable(): IStatementRunnable {
    const paren = seq(tok(WParenLeftW), SQLFieldName, tok(WParenRightW));
 
    const nev = ver(Version.v740sp05, starPrio(seq(",", SQLField)));
    const old = starPrio(SQLField);
 
    return altPrio("*",
                   Dynamic,
                   seq(SQLField, alt(nev, old)),
                   paren);
  }
}