Method VisitSingleGroupingSet

query/sql/sql_parser.go:574–608

VisitSingleGroupingSet visits the node

(ctx *antlrgen.SingleGroupingSetContext)

// VisitSingleGroupingSet visits the node
func (v *ASTBuilder) VisitSingleGroupingSet(ctx *antlrgen.SingleGroupingSetContext) interface{} {
	v.Logger.Debugf("VisitSingleGroupingSet: %s", ctx.GetText())

	level, levelWith, levelQuery := v.getCtxLevels(v.SQL2AqlCtx)
	v.setCtxLevels(v.SQL2AqlCtx, level, levelWith, levelQuery)

	ctxArr := ctx.GroupingExpressions().(*antlrgen.GroupingExpressionsContext).AllExpression()
	columns := make([]tree.IExpression, len(ctxArr))
	offset := len(v.SQL2AqlCtx.MapDimensions[v.SQL2AqlCtx.mapKey])
	for i, c := range ctxArr {
		v.SQL2AqlCtx.exprCheck = true
		v.Visit(c)
		v.SQL2AqlCtx.exprCheck = false
		columns[i], _ = v.Visit(c).(tree.IExpression)
		alias, expr := v.lookupSQLExpr(v.SQL2AqlCtx, v.SQL2AqlCtx.mapKey, util.GetSubstring(columns[i].GetValue()))
		if len(v.SQL2AqlCtx.MapDimensions[v.SQL2AqlCtx.mapKey])-offset == i {
			// timeBucket or numbericBucket is added into
			// v.SQL2AqlCtx.MapDimensions[v.SQL2AqlCtx.mapKey] via visitFunctionCall
			v.SQL2AqlCtx.MapDimensions[v.SQL2AqlCtx.mapKey] =
				append(v.SQL2AqlCtx.MapDimensions[v.SQL2AqlCtx.mapKey],
					queryCom.Dimension{
						Alias: alias,
						Expr:  expr,
					})
		}
	}

	simpleGroupBy := tree.NewSimpleGroupBy(
		v.getLocation(ctx),
		columns)
	simpleGroupBy.SetValue(fmt.Sprintf("SimpleGroupBy: (%s)", v.getText(ctx.BaseParserRuleContext)))

	v.setCtxLevels(v.SQL2AqlCtx, level-1, levelWith, levelQuery)
	return simpleGroupBy
}

// VisitSortItem visits the node
func (v *ASTBuilder) VisitSortItem(ctx *antlrgen.SortItemContext) interface{} {