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only create unique constraint for non-pk column

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This commit is contained in:
Strong Liu 2013-01-06 14:32:25 +08:00
parent 18187f58ed
commit 4a567e04cb
1 changed files with 3 additions and 3 deletions
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6
hibernate-core/src/main/java/org/hibernate/tool/schema/internal/StandardTableExporter.java
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@ -63,7 +63,7 @@ public String[] getSqlCreateStrings(Table table, JdbcEnvironment jdbcEnvironment
// Try to find out the name of the primary key in case the dialect needs it to create an identity
String pkColName = null;
if ( hasPrimaryKey && isPrimaryKeyIdentity ) {
if ( hasPrimaryKey ) {
Column pkColumn = table.getPrimaryKey().getColumns().iterator().next();
pkColName = pkColumn.getColumnName().getText( dialect );
}
@ -104,8 +104,8 @@ public String[] getSqlCreateStrings(Table table, JdbcEnvironment jdbcEnvironment
}
}
if ( col.isUnique() ) {
//only create unique constraint for non-pk column
if ( col.isUnique() && !colName.equals( pkColName )) {
UniqueKey uk = table.getOrCreateUniqueKey(
col.getColumnName().getText( dialect ) + '_' );
uk.addColumn( col );