expressions sql_source.ts

100% Statements 15/15

100% Branches 1/1

100% Functions 1/1

100% Lines 15/15

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1x import {seq, ver, tok, Expression, alt, altPrio} from "../combi";
import {Version} from "../../../version";
import {WAt, ParenLeftW, WParenRightW} from "../../1_lexer/tokens";
import {SQLAliasField, Source, SimpleSource3} from ".";
import {IStatementRunnable} from "../statement_runnable";
 
export class SQLSource extends Expression {
  public getRunnable(): IStatementRunnable {
    const paren = seq(tok(ParenLeftW), Source, tok(WParenRightW));
 
    const at = ver(Version.v740sp05, seq(tok(WAt), altPrio(SimpleSource3, paren)));
 
    return alt(SQLAliasField, SimpleSource3, at);
  }
}