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package org.hsqldb.test;
import java.sql.
Connection;
import java.sql.
PreparedStatement;
import java.sql.
ResultSet;
import java.sql.
Statement;
import java.sql.
Timestamp;
import
junit.
framework.
TestCase;
/**
* @author kloska@users
* @author fredt@users
*/
public class
TestPreparedSubQueries extends
TestCase {
private
Connection con = null;
private class
sqlStmt {
boolean
prepare;
boolean
update;
String command;
sqlStmt(
String c, boolean
p, boolean
u) {
prepare =
p;
command =
c;
update =
u;
}
}
;
private
sqlStmt[]
stmtArray = {
new
sqlStmt("drop table a if exists cascade", false, false),
new
sqlStmt("create cached table a (a int identity,b int)", false,
false),
new
sqlStmt("create index bIdx on a(b)", false, false),
new
sqlStmt("insert into a(b) values(1)", true, true),
new
sqlStmt("insert into a(b) values(2)", true, true),
new
sqlStmt("insert into a(b) values(3)", true, true),
new
sqlStmt("insert into a(b) values(4)", true, true),
new
sqlStmt("insert into a(b) values(5)", true, true),
new
sqlStmt("insert into a(b) values(6)", true, true),
new
sqlStmt(
"update a set b=100 where b>(select b from a X where X.a=2)",
true, true),
new
sqlStmt("update a set b=200 where b>(select b from a where a=?)",
true, true),
new
sqlStmt(
"update a set b=300 where b>(select b from a X where X.a=?)",
true, true)
};
private
Object[][]
stmtArgs = {
{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, { new
Integer(2) },
{ new
Integer(2) }
};
public
TestPreparedSubQueries(
String name) {
super(
name);
}
protected void
setUp() {
String url = "jdbc:hsqldb:test";
try {
Class.
forName("org.hsqldb.jdbc.JDBCDriver");
con = java.sql.
DriverManager.
getConnection(
url, "sa", "");
} catch (
Exception e) {
e.
printStackTrace();
}
}
public void
testA() {
try {
int
i = 0;
for (
i = 0;
i <
stmtArray.length;
i++) {
int
j;
System.
out.
println(" -- #" +
i + " ----------------------- ");
if (
stmtArray[
i].
prepare) {
PreparedStatement ps = null;
System.
out.
println(" -- preparing\n<<<\n"
+
stmtArray[
i].
command + "\n>>>\n");
ps =
con.
prepareStatement(
stmtArray[
i].
command);
System.
out.
print(" -- setting " +
stmtArgs[
i].length
+ " Args [");
for (
j = 0;
j <
stmtArgs[
i].length;
j++) {
System.
out.
print((
j > 0 ? "; "
: "") +
stmtArgs[
i][
j]);
ps.
setObject(
j + 1,
stmtArgs[
i][
j]);
}
System.
out.
println("]");
System.
out.
println(" -- executing ");
if (
stmtArray[
i].
update) {
int
r =
ps.
executeUpdate();
System.
out.
println(" ***** ps.executeUpdate gave me "
+
r);
} else {
boolean
b =
ps.
execute();
System.
out.
print(" ***** ps.execute gave me " +
b);
}
} else {
System.
out.
println(" -- executing directly\n<<<\n"
+
stmtArray[
i].
command + "\n>>>\n");
Statement s =
con.
createStatement();
boolean
b =
s.
execute(
stmtArray[
i].
command);
System.
out.
println(" ***** st.execute gave me " +
b);
}
}
} catch (
Exception e) {
System.
out.
println(" ?? Caught Exception " +
e);
assertTrue(false);
}
assertTrue(true);
}
public void
testGenerated() {
boolean
valid = false;
try {
Statement s =
con.
createStatement();
s.
execute("drop table a if exists");
s.
execute("create cached table a (a int identity,b int)");
s.
execute("insert into a(b) values(1)",
Statement.
RETURN_GENERATED_KEYS);
ResultSet r =
s.
getGeneratedKeys();
while (
r.
next()) {
r.
getInt(1);
valid = true;
}
r.
close();
assertTrue(
valid);
s.
execute("insert into a(b) values(2)", new int[]{ 1 });
r =
s.
getGeneratedKeys();
while (
r.
next()) {
r.
getInt(1);
valid = true;
}
assertTrue(
valid);
s.
execute("insert into a(b) values(2)", new
String[]{ "A" });
r =
s.
getGeneratedKeys();
while (
r.
next()) {
r.
getInt(1);
valid = true;
}
assertTrue(
valid);
s.
execute("drop table a if exists");
s.
execute("create cached table a (g int generated always as (a + b), a int generated always as identity (start with 5), b int, c timestamp default current_timestamp)");
s.
execute("insert into a(b) values(1)",
Statement.
RETURN_GENERATED_KEYS);
r =
s.
getGeneratedKeys();
while (
r.
next()) {
int
v =
r.
getInt(2);
valid = true;
assertEquals(
v, 5);
}
r.
close();
assertTrue(
valid);
s.
execute("insert into a(b) values(2)", new int[]{ 1 });
r =
s.
getGeneratedKeys();
while (
r.
next()) {
int
v =
r.
getInt(1);
valid = true;
assertEquals(
v, 8);
}
assertTrue(
valid);
s.
execute("insert into a(b) values(2)", new
String[]{ "A", "G", "C" });
r =
s.
getGeneratedKeys();
while (
r.
next()) {
Timestamp tv =
r.
getTimestamp(3);
int
iv =
r.
getInt(1);
valid = true;
assertEquals(
iv, 7);
long
diff =
System.
currentTimeMillis() -
tv.
getTime();
if (
diff > 100 ||
diff <0) {
fail("timestamp not correct");
}
}
assertTrue(
valid);
} catch (
Exception e) {
assertTrue(false);
}
}
public void
testIdentity() {
boolean
valid = false;
try {
Statement s =
con.
createStatement();
s.
execute("drop table a if exists");
s.
execute("create cached table a (a int identity, b int)");
PreparedStatement p1 =
con.
prepareStatement("insert into a(b) values ?");
p1.
setInt(1, 10);
p1.
executeUpdate();
PreparedStatement p2 =
con.
prepareStatement("call identity()");
ResultSet r =
p2.
executeQuery();
while (
r.
next()) {
r.
getInt(1);
valid = true;
}
p1.
setInt(1, 11);
p1.
executeUpdate();
PreparedStatement ps3 =
con.
prepareStatement(
"select count(*) from a where a in ((select a from a where b = ?) union (select ? from a))");
ps3.
setInt(1, 10);
ps3.
setInt(2, 1);
r =
ps3.
executeQuery();
while (
r.
next()) {
int
value =
r.
getInt(1);
valid =
value == 2;
}
assertTrue(
valid);
} catch (
Exception e) {
assertTrue(false);
}
}
}