/**
* Returns the parameter precision. The value 0 is returned if the precision is not known.
*
* @param param the column index (1,2,...)
* @return the precision
*/
public int getPrecision(int param) throws SQLException {
try {
debugCodeCall("getPrecision", param);
ParameterInterface p = getParameter(param);
return MathUtils.convertLongToInt(p.getPrecision());
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Returns the parameter scale. The value 0 is returned if the scale is not known.
*
* @param param the column index (1,2,...)
* @return the scale
*/
public int getScale(int param) throws SQLException {
try {
debugCodeCall("getScale", param);
ParameterInterface p = getParameter(param);
return p.getScale();
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Returns the parameter type. java.sql.Types.VARCHAR is returned if the data type is not known.
*
* @param param the column index (1,2,...)
* @return the data type
*/
public int getParameterType(int param) throws SQLException {
try {
debugCodeCall("getParameterType", param);
ParameterInterface p = getParameter(param);
int type = p.getType();
if (type == Value.UNKNOWN) {
type = Value.STRING;
}
return DataType.getDataType(type).sqlType;
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Returns the Java class name of the parameter. "java.lang.String" is returned if the type is not
* known.
*
* @param param the column index (1,2,...)
* @return the Java class name
*/
@Override
public String getParameterClassName(int param) throws SQLException {
try {
debugCodeCall("getParameterClassName", param);
ParameterInterface p = getParameter(param);
int type = p.getType();
if (type == Value.UNKNOWN) {
type = Value.STRING;
}
return DataType.getTypeClassName(type);
} catch (Exception e) {
throw logAndConvert(e);
}
}
@Override
public String format(PreparedStatement stmt) {
try {
if (stmt instanceof JdbcPreparedStatement) {
String sql = (String) ReflectUtil.getValue(SQL_FIELD, stmt);
boolean insert = false;
if (sql.toUpperCase().startsWith("INSERT INTO")) {
int pos = sql.indexOf("(");
sql = sql.substring(0, pos) + "SET " + sql.substring(pos + 1);
sql = sql.substring(0, sql.indexOf(" VALUES"));
insert = true;
}
CommandInterface command = (CommandInterface) ReflectUtil.getValue(COMMAND_FIELD, stmt);
ObjectArray<? extends ParameterInterface> parameters = command.getParameters();
int pos = 0;
for (int i = 0; i < parameters.size(); i++) {
ParameterInterface parameter = parameters.get(i);
Value value = parameter.getParamValue();
if (insert) {
String string = "=" + value;
pos = sql.indexOf(',', pos);
if (pos == -1) {
pos = sql.indexOf(')');
sql = sql.substring(0, pos) + string;
break;
}
sql = sql.substring(0, pos) + string + sql.substring(pos);
pos += string.length() + 1;
} else {
pos = sql.indexOf('?');
sql = sql.substring(0, pos) + value + sql.substring(pos + 1);
}
}
return sql;
}
} catch (Throwable t) {
// $FALL-THROUGH$
}
return super.format(stmt);
}
private void registerOutParameter(int parameterIndex) throws SQLException {
try {
checkClosed();
if (outParameters == null) {
maxOutParameters =
Math.min(
getParameterMetaData().getParameterCount(), getCheckedMetaData().getColumnCount());
outParameters = new BitField();
}
checkIndexBounds(parameterIndex);
ParameterInterface param = command.getParameters().get(--parameterIndex);
if (!param.isValueSet()) {
param.setValue(ValueNull.INSTANCE, false);
}
outParameters.set(parameterIndex);
} catch (Exception e) {
throw logAndConvert(e);
}
}
