package org.hibernate.hql.internal.ast.util;
import org.hibernate.hql.internal.NameGenerator;
import org.hibernate.hql.internal.antlr.SqlTokenTypes;
import org.hibernate.hql.internal.ast.tree.HqlSqlWalkerNode;
import antlr.ASTFactory;
import antlr.collections.AST;
public final class ColumnHelper {
@Deprecated
private ColumnHelper() {
}
public static void generateSingleScalarColumn(HqlSqlWalkerNode node, int i) {
ASTFactory factory = node.getASTFactory();
ASTUtil.createSibling( factory, SqlTokenTypes.SELECT_COLUMNS, " as " + NameGenerator.scalarName( i, 0 ), node );
}
public static void generateScalarColumns(HqlSqlWalkerNode node, String[] sqlColumns, int i) {
if ( sqlColumns.length == 1 ) {
generateSingleScalarColumn( node, i );
}
else {
ASTFactory factory = node.getASTFactory();
AST n = node;
n.setText( sqlColumns[0] );
for ( int j = 0; j < sqlColumns.length; j++ ) {
if ( j > 0 ) {
n = ASTUtil.createSibling( factory, SqlTokenTypes.SQL_TOKEN, sqlColumns[j], n );
}
n = ASTUtil.createSibling( factory, SqlTokenTypes.SELECT_COLUMNS, " as " + NameGenerator.scalarName( i, j ), n );
}
}
}
}