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Patryk Czarnik
alx_java2b_20250412
Commits
56930a03
Commit
56930a03
authored
Apr 13, 2025
by
Patryk Czarnik
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uzupełnienia JDBC
parent
d80d6a45
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10 changed files
with
22 additions
and
5 deletions
+22
-5
.gitignore
PC21-BazyDanych/.gitignore
+1
-0
pom.xml
PC21-BazyDanych/pom.xml
+5
-0
postgres.properties
PC21-BazyDanych/postgres.properties
+0
-0
Oracle.java
PC21-BazyDanych/src/main/java/gotowe/inne_bazy/Oracle.java
+2
-1
P07_GenerowaneId.java
...ych/src/main/java/gotowe/postgresql/P07_GenerowaneId.java
+2
-2
P09_DowolnaKolejnoscResultSet.java
...java/gotowe/postgresql/P09_DowolnaKolejnoscResultSet.java
+5
-0
P10_Batch.java
...BazyDanych/src/main/java/gotowe/postgresql/P10_Batch.java
+1
-1
P11_Metadane.java
...yDanych/src/main/java/gotowe/postgresql/P11_Metadane.java
+1
-0
P14c_Procedura_OdczytWartosciSkalarnej.java
...we/postgresql/P14c_Procedura_OdczytWartosciSkalarnej.java
+1
-1
ustawienia_bazy.properties
...in/resources/gotowe/postgresql/ustawienia_bazy.properties
+4
-0
No files found.
PC21-BazyDanych/.gitignore
View file @
56930a03
...
...
@@ -6,3 +6,4 @@
/*.iml
/.idea/
/hr.db
PC21-BazyDanych/pom.xml
View file @
56930a03
...
...
@@ -18,5 +18,10 @@
<artifactId>
postgresql
</artifactId>
<version>
42.7.5
</version>
</dependency>
<dependency>
<groupId>
org.xerial
</groupId>
<artifactId>
sqlite-jdbc
</artifactId>
<version>
3.49.1.0
</version>
</dependency>
</dependencies>
</project>
PC21-BazyDanych/
src/main/java/gotowe/postgresql/ustawienia_bazy
.properties
→
PC21-BazyDanych/
postgres
.properties
View file @
56930a03
File moved
PC21-BazyDanych/src/main/java/gotowe/inne_bazy/Oracle.java
View file @
56930a03
...
...
@@ -14,7 +14,8 @@ import java.sql.Statement;
public
class
Oracle
{
public
static
void
main
(
String
[]
args
)
{
final
String
url
=
"jdbc:oracle:thin:@//10.0.15.13:1521/xe"
;
// final String url = "jdbc:oracle:thin:@//10.0.15.13:1521/xe";
final
String
url
=
"jdbc:oracle:thin:@//10.0.15.13:1521/xepdb1"
;
try
(
Connection
con
=
DriverManager
.
getConnection
(
url
,
"HR"
,
"abc123"
))
{
try
(
Statement
st
=
con
.
createStatement
())
{
final
String
sql
=
"SELECT * FROM countries"
;
...
...
PC21-BazyDanych/src/main/java/gotowe/postgresql/P07_GenerowaneId.java
View file @
56930a03
...
...
@@ -25,7 +25,7 @@ public class P07_GenerowaneId {
String
[]
polaGenerowane
=
{
"location_id"
,
"state_province"
};
String
sql
=
"INSERT INTO locations(street_address, postal_code, city, country_id) VALUES(?, ?, ?, ?)"
;
try
(
Connection
c
=
DriverManager
.
getConnection
(
Ustawienia
.
URL
,
Ustawienia
.
USER
,
Ustawienia
.
PASSWD
);
try
(
Connection
c
=
DriverManager
.
getConnection
(
Ustawienia
.
URL
,
Ustawienia
.
USER
,
Ustawienia
.
PASSWD
);
PreparedStatement
stmt
=
c
.
prepareStatement
(
sql
,
polaGenerowane
))
{
stmt
.
setString
(
1
,
"Nowa z "
+
LocalTime
.
now
().
format
(
DateTimeFormatter
.
ofPattern
(
"HH:mm:SS"
)));
...
...
@@ -36,7 +36,7 @@ public class P07_GenerowaneId {
int
ile
=
stmt
.
executeUpdate
();
System
.
out
.
println
(
"Wstawiono "
+
ile
+
" rekord"
);
// powinno być 1
// odcyt wartości wygenerowanych pól
// odc
z
yt wartości wygenerowanych pól
try
(
ResultSet
rsGen
=
stmt
.
getGeneratedKeys
())
{
if
(
rsGen
.
next
())
{
int
id
=
rsGen
.
getInt
(
1
);
...
...
PC21-BazyDanych/src/main/java/gotowe/postgresql/P09_DowolnaKolejnoscResultSet.java
View file @
56930a03
...
...
@@ -68,6 +68,11 @@ public class P09_DowolnaKolejnoscResultSet {
System
.
out
.
printf
(
"\npoz %3d - nie ma takiej pozycji\n"
,
poz
);
}
}
if
(
rs
.
last
())
{
System
.
out
.
println
(
"\nJestem w ostatnim rekordzie"
);
int
nr
=
rs
.
getRow
();
System
.
out
.
println
(
"Numer pozycji "
+
nr
+
", nazwisko pracownika: "
+
rs
.
getString
(
"last_name"
));
}
}
}
}
catch
(
SQLException
e
)
{
...
...
PC21-BazyDanych/src/main/java/gotowe/postgresql/P10_Batch.java
View file @
56930a03
...
...
@@ -18,7 +18,7 @@ public class P10_Batch {
PreparedStatement
stmt
=
c
.
prepareStatement
(
sql
))
{
c
.
setAutoCommit
(
false
);
// wyłączamy automatyczne commitowanie - przechodzimy w tryb traksakcji
System
.
out
.
println
(
"start"
);
long
poczatek
=
System
.
currentTimeMillis
();
...
...
PC21-BazyDanych/src/main/java/gotowe/postgresql/P11_Metadane.java
View file @
56930a03
...
...
@@ -19,6 +19,7 @@ public class P11_Metadane {
System
.
out
.
println
(
dbMetaData
.
getDatabaseProductName
());
System
.
out
.
println
(
dbMetaData
.
getDatabaseMajorVersion
()
+
"."
+
dbMetaData
.
getDatabaseMinorVersion
());
System
.
out
.
printf
(
"maxStatements: "
+
dbMetaData
.
getMaxStatements
());
System
.
out
.
println
();
try
(
ResultSet
tables
=
dbMetaData
.
getTables
(
null
,
"public"
,
null
,
null
))
{
...
...
PC21-BazyDanych/src/main/java/gotowe/postgresql/P14c_Procedura_OdczytWartosciSkalarnej.java
View file @
56930a03
...
...
@@ -16,7 +16,7 @@ public class P14c_Procedura_OdczytWartosciSkalarnej {
int
nr
=
sc
.
nextInt
();
try
(
Connection
c
=
DriverManager
.
getConnection
(
Ustawienia
.
URL
,
Ustawienia
.
USER
,
Ustawienia
.
PASSWD
);
CallableStatement
stmt
=
c
.
prepareCall
(
"{?= call nazwisko_szefa(?)}"
))
{
CallableStatement
stmt
=
c
.
prepareCall
(
"{?
= call nazwisko_szefa(?)}"
))
{
stmt
.
setInt
(
2
,
nr
);
stmt
.
registerOutParameter
(
1
,
Types
.
VARCHAR
);
System
.
out
.
println
(
stmt
);
...
...
PC21-BazyDanych/src/main/resources/gotowe/postgresql/ustawienia_bazy.properties
0 → 100644
View file @
56930a03
url
=
jdbc:postgresql://localhost/hr
user
=
alx
password
=
abc123
tcpKeepAlive
=
true
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