expressions sql_from.ts

100% Statements 16/16

100% Branches 1/1

100% Functions 1/1

100% Lines 16/16

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1x import {seq, optPrio, starPrio, tok, Expression} from "../combi";
import {WParenLeftW, WParenRightW} from "../../1_lexer/tokens";
import {SQLJoin, SQLFromSource} from ".";
import {IStatementRunnable} from "../statement_runnable";
 
export class SQLFrom extends Expression {
  public getRunnable(): IStatementRunnable {
    const from = seq("FROM",
                     starPrio(tok(WParenLeftW)),
                     SQLFromSource);
 
    const source = seq(from, starPrio(seq(optPrio(tok(WParenRightW)), SQLJoin, optPrio(tok(WParenRightW)))));
 
    return source;
  }
}