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Generate unique name for unique constraints created by @Column(unique=true) 

git-svn-id: https://svn.apache.org/repos/asf/openjpa/trunk@712300 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Pinaki Poddar 2008-11-07 22:49:13 +00:00
parent ea9378fc96
commit e11d0f7e12
5 changed files with 20 additions and 4 deletions
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3
openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/schema/Unique.java
View File

@ -29,6 +29,7 @@ import org.apache.commons.lang.StringUtils;
public class Unique
extends LocalConstraint {
private boolean _autoNaming = false;
private static int _counter = 1;
/**
* Default constructor without a name.
@ -111,6 +112,8 @@ public class Unique
Column[] columns = getColumns();
int l = 32/Math.max(columns.length,1);
StringBuffer autoName = new StringBuffer("UNQ_");
if (columns.length == 0)
autoName.append(_counter++);
for (Column column : columns)
autoName.append(chop(column.getName(),l));
return autoName.toString();

4
openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/jdbc/unique/TestUniqueConstraint.java
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@ -63,6 +63,10 @@ public class TestUniqueConstraint extends SQLListenerTestCase {
"UNIQUE .*\\(GEN1, GEN2\\)");
assertSQLFragnments(sqls, "CREATE TABLE UNIQUE_JOINTABLE",
"UNIQUE .*\\(FK_A, FK_B\\)");
assertSQLFragnments(sqls, "CREATE TABLE UNIQUE_A",
"UNIQUE .*\\(SAME\\)");
assertSQLFragnments(sqls, "CREATE TABLE UNIQUE_B",
"UNIQUE .*\\(SAME\\)");
}
void assertSQLFragnments(List<String> list, String... keys) {

2
openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/jdbc/unique/UniqueA.java
View File

@ -67,6 +67,8 @@ public class UniqueA {
@Column(nullable=false)
private int a4;
@Column(name="SAME", unique=true)
private int same;
private int a5;
private int a6;

2
openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/jdbc/unique/UniqueB.java
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@ -35,4 +35,6 @@ public class UniqueB {
private int b1;
@Column(nullable=false)
private int b2;
@Column(name="SAME", unique=true)
private int same;
}

7
openjpa-persistence-jdbc/src/test/resources/org/apache/openjpa/persistence/jdbc/unique/orm.xml
View File

@ -65,7 +65,9 @@
<basic name="a6">
<column name="a6x"/>
</basic>
<basic name="same">
<column name="SAME" unique="true"/>
</basic>
<basic name="sa1">
<column name="sa1x" table="UNIQUE_SECONDARY_XML" />
</basic>
@ -112,6 +114,9 @@
<basic name="b2">
<column name="b2x"/>
</basic>
<basic name="same">
<column name="SAME" unique="true"/>
</basic>
</attributes>
</entity>
</entity-mappings>