Example usage for org.hibernate.dialect Dialect dropConstraints

Introduction

In this page you can find the example usage for org.hibernate.dialect Dialect dropConstraints.

Prototype

public boolean dropConstraints() 

Source Link

Document

Do we need to drop constraints before dropping tables in this dialect?

Usage

From source file:org.apereo.portal.tools.dbloader.HibernateDbLoader.java

License:Apache License

/** Generate the drop scripts and add them to the script list */
@SuppressWarnings("unchecked")
protected List<String> dropScript(Collection<Table> tables, Dialect dialect, String defaultCatalog,
        String defaultSchema) {//from   ww w. j  a  v  a  2  s.  co  m
    final List<String> script = new ArrayList<String>(tables.size() * 2);

    if (dialect.dropConstraints()) {
        for (final Table table : tables) {
            if (table.isPhysicalTable()) {
                for (final Iterator<ForeignKey> subIter = table.getForeignKeyIterator(); subIter.hasNext();) {
                    final ForeignKey fk = subIter.next();
                    if (fk.isPhysicalConstraint()) {
                        script.add(fk.sqlDropString(dialect, defaultCatalog, defaultSchema));
                    }
                }
            }
        }
    }

    for (final Table table : tables) {
        if (table.isPhysicalTable()) {
            script.add(table.sqlDropString(dialect, defaultCatalog, defaultSchema));
        }
    }

    return script;
}

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From source file:org.n52.sos.ds.datasource.CustomConfiguration.java

License:Open Source License

/**
 * Based on/*from   w ww  .ja va  2  s .  co m*/
 * {@link org.hibernate.cfg.Configuration#generateDropSchemaScript(Dialect)}
 * . Rewritten to only create drop commands for existing tables/sequences.
 * 
 * 
 * @param d
 * @param m
 * 
 * @return SQL script to drop schema as String array
 * 
 * @throws HibernateException
 */
public String[] generateDropSchemaScript(final Dialect d, final DatabaseMetadata m) throws HibernateException {
    secondPassCompile();
    final String c = getProperties().getProperty(Environment.DEFAULT_CATALOG);
    final String s = getProperties().getProperty(Environment.DEFAULT_SCHEMA);
    final List<String> script = new LinkedList<String>();
    script.addAll(generateAuxiliaryDatabaseObjectDropScript(d, c, s));
    if (d.dropConstraints()) {
        script.addAll(generateConstraintDropScript(d, c, s, m));
    }
    script.addAll(generateTableDropScript(d, c, s, m));
    script.addAll(generateIdentifierGeneratorDropScript(d, c, s, m));
    return ArrayHelper.toStringArray(script);
}

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