public JoinCondDesc(org.apache.hadoop.hive.ql.parse.JoinCond condn) {
left = condn.getLeft();
right = condn.getRight();
preserved = condn.getPreserved();
switch (condn.getJoinType()) {
case INNER:
type = JoinDesc.INNER_JOIN;
break;
case LEFTOUTER:
type = JoinDesc.LEFT_OUTER_JOIN;
break;
case RIGHTOUTER:
type = JoinDesc.RIGHT_OUTER_JOIN;
break;
case FULLOUTER:
type = JoinDesc.FULL_OUTER_JOIN;
break;
case UNIQUE:
type = JoinDesc.UNIQUE_JOIN;
break;
case LEFTSEMI:
type = JoinDesc.LEFT_SEMI_JOIN;
break;
default:
assert false;
}
}
void printJoinTree(QBJoinTree joinTree, StringBuilder builder) {
builder.append("leftAlias:" + joinTree.getLeftAlias());
if (joinTree.getLeftAliases() != null) {
builder.append("\n leftAliases:");
for (String alias : joinTree.getLeftAliases()) {
builder.append("\n\t " + alias);
}
}
if (joinTree.getRightAliases() != null) {
builder.append("\n rightAliases:");
for (String alias : joinTree.getRightAliases()) {
builder.append("\n\t " + alias);
}
}
if (joinTree.getJoinSrc() != null) {
builder.append("\n JoinSrc: {");
printJoinTree(joinTree.getJoinSrc(), builder);
builder.append("\n }");
}
if (joinTree.getBaseSrc() != null) {
builder.append("\n baseSrcs:");
for (String src : joinTree.getBaseSrc()) {
builder.append("\n\t " + src);
}
}
builder.append("\n noOuterJoin: " + joinTree.getNoOuterJoin());
builder.append("\n noSemiJoin: " + joinTree.getNoSemiJoin());
builder.append("\n mapSideJoin: " + joinTree.isMapSideJoin());
if (joinTree.getJoinCond() != null) {
builder.append("\n joinConds:");
for (JoinCond cond : joinTree.getJoinCond()) {
builder.append(
"\n\t left: "
+ cond.getLeft()
+ " right: "
+ cond.getRight()
+ " type:"
+ cond.getJoinType()
+ " preserved:"
+ cond.getPreserved());
}
}
}