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小楼昨夜-听风雨
TDengine
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1ab0582b
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TDengine
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体验新版 GitCode,发现更多精彩内容 >>
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1ab0582b
编写于
7月 15, 2020
作者:
P
Ping Xiao
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差异文件
add JDBC batch Insert test
上级
67a04744
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src/connector/jdbc/src/test/java/com/taosdata/jdbc/BatchInsertTest.java
...jdbc/src/test/java/com/taosdata/jdbc/BatchInsertTest.java
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src/connector/jdbc/src/test/java/com/taosdata/jdbc/BatchInsertTest.java
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1ab0582b
package
com.taosdata.jdbc
;
import
org.junit.After
;
import
org.junit.Before
;
import
org.junit.Test
;
import
java.sql.*
;
import
java.util.Properties
;
import
java.util.Random
;
import
static
org
.
junit
.
Assert
.
assertEquals
;
import
java.util.Properties
;
import
java.util.concurrent.Executors
;
import
java.util.concurrent.*
;
import
static
org
.
junit
.
Assert
.
assertTrue
;
public
class
BatchInsertTest
extends
BaseTest
{
static
Connection
connection
=
null
;
static
Statement
statement
=
null
;
static
String
dbName
=
"test"
;
static
String
stbName
=
"meters"
;
static
String
host
=
"localhost"
;
static
int
numOfTables
=
30
;
final
static
int
numOfRecordsPerTable
=
1000
;
static
long
ts
=
1496732686000
l
;
final
static
String
tablePrefix
=
"t"
;
@Before
public
void
createDatabase
()
throws
SQLException
{
try
{
Class
.
forName
(
"com.taosdata.jdbc.TSDBDriver"
);
}
catch
(
ClassNotFoundException
e
)
{
return
;
}
Properties
properties
=
new
Properties
();
properties
.
setProperty
(
TSDBDriver
.
PROPERTY_KEY_HOST
,
host
);
properties
.
setProperty
(
TSDBDriver
.
PROPERTY_KEY_CHARSET
,
"UTF-8"
);
properties
.
setProperty
(
TSDBDriver
.
PROPERTY_KEY_LOCALE
,
"en_US.UTF-8"
);
properties
.
setProperty
(
TSDBDriver
.
PROPERTY_KEY_TIME_ZONE
,
"UTC-8"
);
connection
=
DriverManager
.
getConnection
(
"jdbc:TAOS://"
+
host
+
":0/"
+
"?user=root&password=taosdata"
,
properties
);
statement
=
connection
.
createStatement
();
statement
.
executeUpdate
(
"drop database if exists "
+
dbName
);
statement
.
executeUpdate
(
"create database if not exists "
+
dbName
);
statement
.
executeUpdate
(
"use "
+
dbName
);
String
createTableSql
=
"create table "
+
stbName
+
"(ts timestamp, f1 int, f2 int, f3 int) tags(areaid int, loc binary(20))"
;
statement
.
executeUpdate
(
createTableSql
);
for
(
int
i
=
0
;
i
<
numOfTables
;
i
++)
{
String
loc
=
i
%
2
==
0
?
"beijing"
:
"shanghai"
;
String
createSubTalbesSql
=
"create table "
+
tablePrefix
+
i
+
" using "
+
stbName
+
" tags("
+
i
+
", '"
+
loc
+
"')"
;
statement
.
executeUpdate
(
createSubTalbesSql
);
}
}
@Test
public
void
testBatchInsert
()
throws
SQLException
{
ExecutorService
executorService
=
Executors
.
newFixedThreadPool
(
numOfTables
);
for
(
int
i
=
0
;
i
<
numOfTables
;
i
++)
{
final
int
index
=
i
;
executorService
.
execute
(
new
Runnable
()
{
@Override
public
void
run
()
{
try
{
long
startTime
=
System
.
currentTimeMillis
();
Statement
statement
=
connection
.
createStatement
();
// get statement
StringBuilder
sb
=
new
StringBuilder
();
sb
.
append
(
"INSERT INTO "
+
tablePrefix
+
index
+
" VALUES"
);
Random
rand
=
new
Random
();
for
(
int
j
=
1
;
j
<=
numOfRecordsPerTable
;
j
++)
{
sb
.
append
(
"("
+
(
ts
+
j
)
+
", "
);
sb
.
append
(
rand
.
nextInt
(
100
)
+
", "
);
sb
.
append
(
rand
.
nextInt
(
100
)
+
", "
);
sb
.
append
(
rand
.
nextInt
(
100
)
+
")"
);
}
statement
.
addBatch
(
sb
.
toString
());
statement
.
executeBatch
();
long
endTime
=
System
.
currentTimeMillis
();
System
.
out
.
println
(
"Thread "
+
index
+
" takes "
+
(
endTime
-
startTime
)
+
" microseconds"
);
connection
.
commit
();
statement
.
close
();
}
catch
(
Exception
e
)
{
e
.
printStackTrace
();
}
}
});
}
Statement
statement
=
connection
.
createStatement
();
ResultSet
rs
=
statement
.
executeQuery
(
"select * from meters"
);
int
num
=
0
;
while
(
rs
.
next
())
{
num
++;
}
assertEquals
(
num
,
numOfTables
*
numOfRecordsPerTable
);
rs
.
close
();
}
@After
public
void
close
()
throws
Exception
{
statement
.
close
();
connection
.
close
();
Thread
.
sleep
(
10
);
}
}
\ No newline at end of file
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