void Q1() {
string sql = "\
select\
supp_nation,\
cust_nation,\
l_year,\
sum(volume) as revenue\
from\
(\
select\
n1.n_name as supp_nation,\
n2.n_name as cust_nation,\
extract(year from l_shipdate) as l_year,\
l_extendedprice * (1 - l_discount) as volume\
from\
supplier,\
lineitem,\
orders,\
customer,\
nation n1,\
nation n2\
where\
s_suppkey = l_suppkey\
and o_orderkey = l_orderkey\
and c_custkey = o_custkey\
and s_nationkey = n1.n_nationkey\
and c_nationkey = n2.n_nationkey\
and (\
(n1.n_name = ':1' and n2.n_name = ':2')\
or (n1.n_name = ':2' and n2.n_name = ':1')\
)\
and l_shipdate between date '1995-01-01' and date '1996-12-31'\
) as shipping\
group by\
supp_nation,\
cust_nation,\
l_year\
order by\
supp_nation,\
cust_nation,\
l_year;";
CalpontSelectExecutionPlan csep;
// Returned columns
CalpontSelectExecutionPlan::ReturnedColumnList returnedColumnList;
// these columns are from the temp table of FROM clause.
// I hereby give schema name "calpont", table name "FROMTABLE",
// and alias name "shipping"
SimpleColumn *c1 = new SimpleColumn("calpont.FROMTABLE.supp_nation");
c1->tableAlias ("shipping");
returnedColumnList.push_back(c1);
SimpleColumn *c2 = new SimpleColumn("calpont.FROMTABLE.cust_nation");
c2->tableAlias ("shipping");
returnedColumnList.push_back(c2);
SimpleColumn *c3 = new SimpleColumn("tpch.lineitem.l_year");
returnedColumnList.push_back(c3);
ArithmeticColumn *c4 = new ArithmeticColumn("sum(volumn)");
c4->alias("revenue");
returnedColumnList.push_back(c4);
csep.returnedCols(returnedColumnList);
// from subselect
CalpontSelectExecutionPlan *subsep =
new CalpontSelectExecutionPlan(CalpontSelectExecutionPlan::FROM);
// subselect returned columns
CalpontSelectExecutionPlan::ReturnedColumnList subReturnedColList;
SimpleColumn *sc1 = new SimpleColumn("tpch.nation.n_name");
sc1->alias ("supp_nation");
sc1->tableAlias ("n1");
subReturnedColList.push_back(sc1);
SimpleColumn *sc2 = new SimpleColumn("tpch.nation.n_name");
sc1->alias ("cust_nation");
sc1->tableAlias ("n2");
subReturnedColList.push_back(sc2);
ArithmeticColumn *sc3 = new ArithmeticColumn("extract(year from tpch.lineitem.l_shipdate)");
sc3->alias("l_year");
subReturnedColList.push_back(sc3);
ArithmeticColumn *sc4 = new ArithmeticColumn("tpch.lineitem.l_extendeprice * (1-tpch.lineitem.l_discount)");
sc3->alias("volume");
subReturnedColList.push_back(sc4);
subsep->returnedCols(subReturnedColList);
// subselect filters
CalpontSelectExecutionPlan::FilterTokenList subFilterTokenList;
SimpleFilter *sf1 = new SimpleFilter (new Operator("="),
new SimpleColumn("tpch.supplier.s_suppkey"),
new SimpleColumn("tpch.lineitem.l_suppkey"));
subFilterTokenList.push_back(sf1);
subFilterTokenList.push_back(new Operator("and"));
SimpleFilter *sf2 = new SimpleFilter (new Operator("="),
new SimpleColumn("tpch.orders.o_orderkey"),
new SimpleColumn("tpch.lineitem.l_orderkey"));
subFilterTokenList.push_back(sf2);
subFilterTokenList.push_back(new Operator("and"));
SimpleFilter *sf3 = new SimpleFilter (new Operator("="),
new SimpleColumn("tpch.customer.c_custkey"),
new SimpleColumn("tpch.orders.o_custkey"));
subFilterTokenList.push_back(sf3);
subFilterTokenList.push_back(new Operator("and"));
SimpleColumn *n1 = new SimpleColumn ("tpch.nation.n_nationkey");
n1->tableAlias("n1");
SimpleFilter *sf4 = new SimpleFilter (new Operator("="),
new SimpleColumn("tpch.supplier.s_nationkey"),
n1);
subFilterTokenList.push_back(sf4);
subFilterTokenList.push_back(new Operator("and"));
SimpleColumn *n2 = new SimpleColumn ("tpch.nation.n_nationkey");
n2->tableAlias("n2");
SimpleFilter *sf5 = new SimpleFilter (new Operator("="),
new SimpleColumn("tpch.customer.c_nationkey"),
n2);
subFilterTokenList.push_back(sf5);
subFilterTokenList.push_back(new Operator("and"));
// ((n1.n_name = ':1' and n2.n_name = ':2')
// or (n1.n_name = ':2' and n2.n_name = ':1'))
subFilterTokenList.push_back(new Operator("("));
subFilterTokenList.push_back(new Operator("("));
SimpleColumn *n1_name = new SimpleColumn("tpch.nation.n_name");
n1_name->tableAlias ("n1");
SimpleFilter *sf6 = new SimpleFilter ( new Operator("="),
n1_name,
new ConstantColumn (":1"));
subFilterTokenList.push_back(sf6);
subFilterTokenList.push_back(new Operator("and"));
SimpleColumn *n2_name = new SimpleColumn("tpch.nation.n_name");
n1_name->tableAlias ("n2");
SimpleFilter *sf7 = new SimpleFilter ( new Operator("="),
n2_name,
new ConstantColumn (":2"));
subFilterTokenList.push_back(sf7);
subFilterTokenList.push_back(new Operator (")"));
subFilterTokenList.push_back(new Operator("or"));
subFilterTokenList.push_back(new Operator("("));
SimpleFilter *sf8 = new SimpleFilter ( new Operator("="),
new SimpleColumn(*n1_name),
new ConstantColumn (":2"));
subFilterTokenList.push_back(sf8);
subFilterTokenList.push_back(new Operator("and"));
SimpleFilter *sf9 = new SimpleFilter ( new Operator("="),
new SimpleColumn(*n2_name),
new ConstantColumn (":1"));
subFilterTokenList.push_back(sf9);
subFilterTokenList.push_back(new Operator (")"));
subFilterTokenList.push_back(new Operator (")"));
subFilterTokenList.push_back(new Operator("and"));
SimpleFilter *sf10 = new SimpleFilter (new Operator (">="),
new SimpleColumn ("tpch.lineitem.l_shipdate"),
new ConstantColumn ("1995-01-01"));
subFilterTokenList.push_back(sf10);
subFilterTokenList.push_back(new Operator("and"));
SimpleFilter *sf11 = new SimpleFilter (new Operator ("<="),
new SimpleColumn ("tpch.lineitem.l_shipdate"),
new ConstantColumn ("1995-01-06"));
subFilterTokenList.push_back(sf11);
subsep->filterTokenList(subFilterTokenList);
// end of subselect in FROM. push FROM subselect to selectList
// NOTE: only FROM subselect needs to be pushed into selectList.
// Subselects in WHERE or HAVING clause are in where or having
// filter parse tree. It may make more sense to change the member
// fSelectList of CSEP class to fFromSubSelect (type CSEP*)
CalpontSelectExecutionPlan::SelectList fromSubSelectList;
fromSubSelectList.push_back(subsep);
csep.subSelects(fromSubSelectList);
ParseTree* pt = const_cast<ParseTree*>(subsep->filters());
pt->drawTree("q7.dot");
// Group by
CalpontSelectExecutionPlan::GroupByColumnList groupByList;
SimpleColumn *g1 = new SimpleColumn (*c1);
groupByList.push_back (g1);
SimpleColumn *g2 = new SimpleColumn (*c2);
groupByList.push_back (g2);
SimpleColumn *g3 = new SimpleColumn (*c3);
groupByList.push_back (g3);
csep.groupByCols(groupByList);
// Order by
CalpontSelectExecutionPlan::OrderByColumnList orderByList;
SimpleColumn *o1 = new SimpleColumn(*c1);
orderByList.push_back(o1);
SimpleColumn *o2 = new SimpleColumn(*c2);
orderByList.push_back(o2);
SimpleColumn *o3 = new SimpleColumn(*c3);
orderByList.push_back(o3);
csep.orderByCols(orderByList);
cout << csep;
}
void Q1() {
string sql = "\
select\
c_custkey,\
c_name,\
sum(l_extendedprice * (1 - l_discount)) as revenue,\
c_acctbal,\
n_name,\
c_address,\
c_phone,\
c_comment\
from\
customer,\
orders,\
lineitem,\
nation\
where\
c_custkey = o_custkey\
and l_orderkey = o_orderkey\
and o_orderdate >= date ':1'\
and o_orderdate < date ':1' + interval '3' month\
and l_returnflag = 'R'\
and c_nationkey = n_nationkey\
group by\
c_custkey,\
c_name,\
c_acctbal,\
c_phone,\
n_name,\
c_address,\
c_comment\
order by\
revenue desc;";
CalpontSelectExecutionPlan csep;
// Returned columns
CalpontSelectExecutionPlan::ReturnedColumnList returnedColumnList;
SimpleColumn *c1 = new SimpleColumn("tpch.customer.l_returnflag");
returnedColumnList.push_back(c1);
SimpleColumn *c2 = new SimpleColumn("tpch.customer.c_name");
returnedColumnList.push_back(c2);
ArithmeticColumn *c3 = new ArithmeticColumn("sum(tpch.lineitem.l_extendedprice*(1-tpch.lineitem.l_discount))");
c3->alias("revenue");
returnedColumnList.push_back(c3);
SimpleColumn *c4 = new SimpleColumn("tpch.customer.c_acctbal");
returnedColumnList.push_back(c4);
SimpleColumn *c5 = new SimpleColumn("tpch.nation.n_name");
returnedColumnList.push_back(c5);
SimpleColumn *c6 = new SimpleColumn("tpch.customer.c_address");
returnedColumnList.push_back(c6);
SimpleColumn *c7 = new SimpleColumn("tpch.customer.c_phone");
returnedColumnList.push_back(c7);
SimpleColumn *c8 = new SimpleColumn("tpch.costomer.c_comment");
returnedColumnList.push_back(c8);
csep.returnedCols(returnedColumnList);
// Filters
CalpontSelectExecutionPlan::FilterTokenList filterTokenList;
SimpleFilter *f1 = new SimpleFilter (new Operator("="),
new SimpleColumn("tpch.customer.c_custkey"),
new SimpleColumn("tpch.orders.o_custkey"));
filterTokenList.push_back(f1);
filterTokenList.push_back( new Operator ("and"));
SimpleFilter *f2 = new SimpleFilter (new Operator("="),
new SimpleColumn("tpch.lineitem.l_orderkey"),
new SimpleColumn("tpch.orders.o_orderkey"));
filterTokenList.push_back(f2);
filterTokenList.push_back( new Operator ("and"));
SimpleFilter *f3 = new SimpleFilter (new Operator(">="),
new SimpleColumn("tpch.orders.o_orderdate"),
new ArithmeticColumn("date(':1')"));
filterTokenList.push_back(f3);
filterTokenList.push_back( new Operator ("and"));
SimpleFilter *f4 = new SimpleFilter (new Operator("<"),
new SimpleColumn("tpch.orders.o_orderdate"),
new ArithmeticColumn("date(':1') + interval ('3', month)"));
filterTokenList.push_back(f4);
filterTokenList.push_back( new Operator ("and"));
SimpleFilter *f5 = new SimpleFilter (new Operator("="),
new SimpleColumn("tpch.lineitem.l_returnflag"),
new ConstantColumn("R"));
filterTokenList.push_back(f5);
filterTokenList.push_back( new Operator ("and"));
SimpleFilter *f6 = new SimpleFilter (new Operator("="),
new SimpleColumn("tpch.customer.c_nationkey"),
new SimpleColumn("tpch.nation.n_nationkey"));
filterTokenList.push_back(f6);
csep.filterTokenList(filterTokenList);
ParseTree *pt = const_cast<ParseTree*>(csep.filters());
pt->drawTree ("q10.dot");
// Group by
CalpontSelectExecutionPlan::GroupByColumnList groupByList;
groupByList.push_back(c1->clone());
groupByList.push_back(c2->clone());
groupByList.push_back(c4->clone());
groupByList.push_back(c7->clone());
groupByList.push_back(c5->clone());
groupByList.push_back(c6->clone());
groupByList.push_back(c8->clone());
csep.groupByCols (groupByList);
// Order by
CalpontSelectExecutionPlan::OrderByColumnList orderByList;
ArithmeticColumn *o1 = new ArithmeticColumn(*c3);
o1->asc(false);
orderByList.push_back(o1);
csep.orderByCols(orderByList);
cout << csep;
}
void Q1() {
string sql = "\
select\
l_orderkey,\
sum(l_extendedprice * (1 - l_discount)) as revenue,\
o_orderdate,\
o_shippriority\
from\
customer,\
orders,\
lineitem\
where\
c_mktsegment = ':1'\
and c_custkey = o_custkey\
and l_orderkey = o_orderkey\
and o_orderdate < date ':2'\
and l_shipdate > date ':2'\
group by\
l_orderkey,\
o_orderdate,\
o_shippriority\
order by\
revenue desc,\
o_orderdate;";
CalpontSelectExecutionPlan csep;
// Returned columns
CalpontSelectExecutionPlan::ReturnedColumnList returnedColumnList;
SimpleColumn *c1 = new SimpleColumn("tpch.lineitem.l_orderkey");
returnedColumnList.push_back(c1);
ArithmeticColumn *c2 = new ArithmeticColumn
("sum(tpch.lineitem.l_extendedprice * (1 - tpch.lineitem.l_discount))");
c2->alias("revenue");
returnedColumnList.push_back(c2);
SimpleColumn *c3 = new SimpleColumn("tpch.orders.o_orderdate");
returnedColumnList.push_back(c3);
SimpleColumn *c4 = new SimpleColumn("tpch.orders.o_shippriority");
returnedColumnList.push_back(c4);
csep.returnedCols(returnedColumnList);
// Filters
CalpontSelectExecutionPlan::FilterTokenList filterTokenList;
SimpleFilter *f1 = new SimpleFilter (new Operator("="),
new SimpleColumn("tpch.customer.c_mktsegment"),
new ConstantColumn(":1"));
filterTokenList.push_back(f1);
filterTokenList.push_back(new Operator("and"));
SimpleFilter *f2 = new SimpleFilter (new Operator("="),
new SimpleColumn("tpch.customer.c_custkey"),
new SimpleColumn("tpch.orders.o_custkey"));
filterTokenList.push_back(f2);
filterTokenList.push_back(new Operator("and"));
SimpleFilter *f3 = new SimpleFilter (new Operator("="),
new SimpleColumn("tpch.lineitem.l_orderkey"),
new SimpleColumn("tpch.orders.o_orderkey"));
filterTokenList.push_back(f3);
filterTokenList.push_back(new Operator("and"));
SimpleFilter *f4 = new SimpleFilter (new Operator("<"),
new SimpleColumn("tpch.orders.o_orderdate"),
new ArithmeticColumn("date(':2')"));
filterTokenList.push_back(f4);
filterTokenList.push_back(new Operator("and"));
SimpleFilter *f5 = new SimpleFilter (new Operator(">"),
new SimpleColumn("tpch.lineitem.l_shipdate"),
new ArithmeticColumn("date(':2')"));
filterTokenList.push_back(f5);
csep.filterTokenList(filterTokenList);
ParseTree* pt = const_cast<ParseTree*>(csep.filters());
pt->drawTree("q3.dot");
// Group by
CalpontSelectExecutionPlan::GroupByColumnList groupByList;
SimpleColumn *g1 = new SimpleColumn(*c1);
groupByList.push_back(g1);
SimpleColumn *g2 = new SimpleColumn(*c3);
groupByList.push_back(g2);
SimpleColumn *g3 = new SimpleColumn(*c4);
groupByList.push_back(g3);
csep.groupByCols(groupByList);
// Order by
CalpontSelectExecutionPlan::OrderByColumnList orderByList;
//ArithmeticColumn *test = new ArithmeticColumn("a+b");
ArithmeticColumn *o1 = new ArithmeticColumn(*c2);
o1->asc(false);
orderByList.push_back(o1);
SimpleColumn *o2 = new SimpleColumn(*c3);
orderByList.push_back(o2);
csep.orderByCols(orderByList);
cout << csep;
}