package com.quantum.adapters;

import com.quantum.sql.SQLHelper;

public class DB2Adapter extends DatabaseAdapter {
    public String getShowTableQuery(String qualifier, boolean isDefault) {
        return "SELECT TABNAME FROM syscat.tables WHERE tabschema = '" + qualifier.toUpperCase() + "' AND TYPE='T'"; //$NON-NLS-1$ //$NON-NLS-2$
    }
    public String getShowViewQuery(String qualifier, boolean isDefault) {
        return "SELECT TABNAME FROM syscat.tables WHERE tabschema = '" + qualifier.toUpperCase() + "' AND TYPE='V'"; //$NON-NLS-1$ //$NON-NLS-2$
    }
    public String getShowSequenceQuery(String qualifier, boolean isDefault) {
        return "SELECT SEQNAME FROM sysibm.syssequences WHERE seqschema = '" + qualifier.toUpperCase() + "'"; //$NON-NLS-1$ //$NON-NLS-2$
    }
    public String getNextValue(String sequence, String owner) {
		return "VALUES NEXTVAL FOR " + SQLHelper.getQualifiedName(owner, sequence); //$NON-NLS-1$
    }
	public String getPrevValue(String sequence, String owner) {
		return "VALUES PREVVAL FOR " + SQLHelper.getQualifiedName(owner, sequence); //$NON-NLS-1$
	}
}