org.nbone.persistence.jdbc.dialect.HSQLDialect Maven / Gradle / Ivy

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package org.nbone.persistence.jdbc.dialect;
/**
 * Dialect for HSQLDB
 * @author thinking
 */
public class HSQLDialect extends Dialect{

	public boolean supportsLimit() {
		return true;
	}

	public boolean supportsLimitOffset() {
		return true;
	}

	public String getLimitString(String sql, int offset,String offsetPlaceholder, int limit, String limitPlaceholder) {
		boolean hasOffset = offset>0;
		return new StringBuffer( sql.length() + 10 )
		.append( sql )
		.insert( sql.toLowerCase().indexOf( "select" ) + 6, hasOffset ? " limit "+offsetPlaceholder+" "+limitPlaceholder : " top "+limitPlaceholder )
		.toString();
	}
    
}