/**
* Create the table definition to export to, removing any prior table. By specifying
* ColumnGenerator arguments, you can add extra columns to the table of arbitrary type.
*/
public void createTable(ColumnGenerator... extraColumns) throws SQLException {
Connection conn = getConnection();
PreparedStatement statement =
conn.prepareStatement(
getDropTableStatement(getTableName()),
ResultSet.TYPE_FORWARD_ONLY,
ResultSet.CONCUR_READ_ONLY);
try {
statement.executeUpdate();
conn.commit();
} finally {
statement.close();
}
StringBuilder sb = new StringBuilder();
sb.append("CREATE TABLE ");
sb.append(getTableName());
sb.append(" (id INT NOT NULL PRIMARY KEY, msg VARCHAR(64)");
int colNum = 0;
for (ColumnGenerator gen : extraColumns) {
sb.append(", " + forIdx(colNum++) + " " + gen.getType());
}
sb.append(")");
statement =
conn.prepareStatement(
sb.toString(), ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
try {
statement.executeUpdate();
conn.commit();
} finally {
statement.close();
}
}
/**
* Verify that for the max and min values of the 'id' column, the values for a given column meet
* the expected values.
*/
private void assertColMinAndMax(String colName, ColumnGenerator generator) throws SQLException {
Connection conn = getConnection();
int minId = getMinRowId(conn);
int maxId = getMaxRowId(conn);
LOG.info("Checking min/max for column " + colName + " with type " + generator.getType());
String expectedMin = generator.getVerifyText(minId);
String expectedMax = generator.getVerifyText(maxId);
assertColValForRowId(minId, colName, expectedMin);
assertColValForRowId(maxId, colName, expectedMax);
}
