Example 1 with DistinctClause
use of org.apache.asterix.lang.aql.clause.DistinctClause in project asterixdb by apache.
the class AQLCloneAndSubstituteVariablesVisitor method visit.
@Override
public Pair<ILangExpression, VariableSubstitutionEnvironment> visit(DistinctClause dc, VariableSubstitutionEnvironment env) throws CompilationException {
List<Expression> exprList = VariableCloneAndSubstitutionUtil.visitAndCloneExprList(dc.getDistinctByExpr(), env, this);
DistinctClause dc2 = new DistinctClause(exprList);
return new Pair<ILangExpression, VariableSubstitutionEnvironment>(dc2, env);
}
Also used :
DistinctClause(org.apache.asterix.lang.aql.clause.DistinctClause)
Expression(org.apache.asterix.lang.common.base.Expression)
ILangExpression(org.apache.asterix.lang.common.base.ILangExpression)
FLWOGRExpression(org.apache.asterix.lang.aql.expression.FLWOGRExpression)
Pair(org.apache.hyracks.algebricks.common.utils.Pair)
Aggregations
DistinctClause (org.apache.asterix.lang.aql.clause.DistinctClause)1
FLWOGRExpression (org.apache.asterix.lang.aql.expression.FLWOGRExpression)1
Expression (org.apache.asterix.lang.common.base.Expression)1
ILangExpression (org.apache.asterix.lang.common.base.ILangExpression)1
Pair (org.apache.hyracks.algebricks.common.utils.Pair)1
