Examples with ExpNode com.teradata.jaqy.utils.exp.ExpNode used on opensource projects

Example 6 with ExpNode

use of com.teradata.jaqy.utils.exp.ExpNode in project jaqy by Teradata.

the class FilterCommand method execute.

@Override
public void execute(String[] args, boolean silent, JaqyInterpreter interpreter) throws Exception {
    SessionUtils.checkOpen(interpreter);
    String str = args[0].trim();
    if (str.length() == 0) {
        interpreter.error("missing predicate");
    }
    ExpNode exp = WhereParser.getExp(args[0]);
    interpreter.setPredicate(new ExpNodePredicate(exp));
}

Example 7 with ExpNode

use of com.teradata.jaqy.utils.exp.ExpNode in project jaqy by Teradata.

the class ProjectColumnList method bind.

public void bind(JaqyResultSet rs, JaqyInterpreter interpreter) throws SQLException {
    int numCols = m_columnList.size();
    ExpNode[] exps = new ExpNode[numCols];
    FullColumnInfo[] columnInfos = new FullColumnInfo[numCols];
    ResultSetMetaData rsmd = rs.getMetaData().getMetaData();
    JaqyHelper helper = rs.getHelper();
    for (int i = 0; i < numCols; ++i) {
        ProjectColumn column = m_columnList.get(i);
        int index = rs.findColumn(column.name);
        columnInfos[i] = ResultSetMetaDataUtils.getColumnInfo(rsmd, index, helper);
        columnInfos[i].name = column.asName;
        columnInfos[i].label = column.asName;
        ColumnNode exp = new ColumnNode(column.name);
        exp.bind(rs, null, interpreter);
        exps[i] = exp;
    }
    m_project = new ExpNodeProject(exps);
    m_meta = new JaqyResultSetMetaData(new InMemoryResultSetMetaData(columnInfos), DummyHelper.getInstance());
}