Package org.apache.tajo.engine.planner.ExprNormalizer

Examples of org.apache.tajo.engine.planner.ExprNormalizer.ExprNormalizedResult

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      stack.push(limit);
      child = visit(context, stack, limit.getChild());
      stack.pop();
      ////////////////////////////////////////////////////////
    } else {
      ExprNormalizedResult normalizedResult = normalizer.normalize(context, limit.getFetchFirstNum());
      String referName = block.namedExprsMgr.addExpr(normalizedResult.baseExpr);
      block.namedExprsMgr.addNamedExprArray(normalizedResult.aggExprs);
      block.namedExprsMgr.addNamedExprArray(normalizedResult.scalarExprs);

      ////////////////////////////////////////////////////////
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  @Override
  public LogicalNode visitHaving(PlanContext context, Stack<Expr> stack, Having expr) throws PlanningException {
    QueryBlock block = context.queryBlock;

    ExprNormalizedResult normalizedResult = normalizer.normalize(context, expr.getQual());
    String referName = block.namedExprsMgr.addExpr(normalizedResult.baseExpr);
    block.namedExprsMgr.addNamedExprArray(normalizedResult.aggExprs);
    block.namedExprsMgr.addNamedExprArray(normalizedResult.scalarExprs);

    ////////////////////////////////////////////////////////
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  @Override
  public SelectionNode visitFilter(PlanContext context, Stack<Expr> stack, Selection selection)
      throws PlanningException {
    QueryBlock block = context.queryBlock;

    ExprNormalizedResult normalizedResult = normalizer.normalize(context, selection.getQual());
    block.namedExprsMgr.addExpr(normalizedResult.baseExpr);
    if (normalizedResult.aggExprs.size() > 0 || normalizedResult.scalarExprs.size() > 0) {
      throw new VerifyException("Filter condition cannot include aggregation function");
    }
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    // Phase 1: Init
    LogicalPlan plan = context.plan;
    QueryBlock block = context.queryBlock;

    if (join.hasQual()) {
      ExprNormalizedResult normalizedResult = normalizer.normalize(context, join.getQual());
      block.namedExprsMgr.addExpr(normalizedResult.baseExpr);
      if (normalizedResult.aggExprs.size() > 0 || normalizedResult.scalarExprs.size() > 0) {
        throw new VerifyException("Filter condition cannot include aggregation function");
      }
    }
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Related Classes of org.apache.tajo.engine.planner.ExprNormalizer.ExprNormalizedResult

  • org.apache.tajo.engine.planner.LogicalPlanner
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