use of org.mariadb.jdbc.MariaDbResultSetMetaData in project OpenRefine by OpenRefine.
the class MariaDBDatabaseService method getRows.
@Override
public List<DatabaseRow> getRows(DatabaseConfiguration dbConfig, String query) throws DatabaseServiceException {
try {
Connection connection = MariaDBConnectionManager.getInstance().getConnection(dbConfig, false);
Statement statement = connection.createStatement();
ResultSet queryResult = statement.executeQuery(query);
MariaDbResultSetMetaData metadata = (MariaDbResultSetMetaData) queryResult.getMetaData();
int columnCount = metadata.getColumnCount();
int index = 0;
List<DatabaseRow> rows = new ArrayList<DatabaseRow>();
while (queryResult.next()) {
DatabaseRow row = new DatabaseRow();
row.setIndex(index);
List<String> values = new ArrayList<String>(columnCount);
for (int i = 1; i <= columnCount; i++) {
values.add(queryResult.getString(i));
}
row.setValues(values);
rows.add(row);
index++;
}
return rows;
} catch (SQLException e) {
logger.error("SQLException::", e);
throw new DatabaseServiceException(true, e.getSQLState(), e.getErrorCode(), e.getMessage());
}
}
use of org.mariadb.jdbc.MariaDbResultSetMetaData in project OpenRefine by OpenRefine.
the class MariaDBDatabaseService method getColumns.
@Override
public ArrayList<DatabaseColumn> getColumns(DatabaseConfiguration dbConfig, String query) throws DatabaseServiceException {
try {
Connection connection = MariaDBConnectionManager.getInstance().getConnection(dbConfig, true);
Statement statement = connection.createStatement();
ResultSet queryResult = statement.executeQuery(query);
MariaDbResultSetMetaData metadata = (MariaDbResultSetMetaData) queryResult.getMetaData();
int columnCount = metadata.getColumnCount();
ArrayList<DatabaseColumn> columns = new ArrayList<DatabaseColumn>(columnCount);
for (int i = 1; i <= columnCount; i++) {
DatabaseColumn dc = new DatabaseColumn(metadata.getColumnName(i), metadata.getColumnLabel(i), DatabaseUtils.getDbColumnType(metadata.getColumnType(i)), metadata.getColumnDisplaySize(i));
columns.add(dc);
}
return columns;
} catch (SQLException e) {
logger.error("SQLException::", e);
throw new DatabaseServiceException(true, e.getSQLState(), e.getErrorCode(), e.getMessage());
}
}
use of org.mariadb.jdbc.MariaDbResultSetMetaData in project OpenRefine by OpenRefine.
the class MariaDBDatabaseService method executeQuery.
@Override
public DatabaseInfo executeQuery(DatabaseConfiguration dbConfig, String query) throws DatabaseServiceException {
try {
Connection connection = MariaDBConnectionManager.getInstance().getConnection(dbConfig, false);
Statement statement = connection.createStatement();
ResultSet queryResult = statement.executeQuery(query);
MariaDbResultSetMetaData metadata = (MariaDbResultSetMetaData) queryResult.getMetaData();
int columnCount = metadata.getColumnCount();
ArrayList<DatabaseColumn> columns = new ArrayList<DatabaseColumn>(columnCount);
for (int i = 1; i <= columnCount; i++) {
DatabaseColumn dc = new DatabaseColumn(metadata.getColumnName(i), metadata.getColumnLabel(i), DatabaseUtils.getDbColumnType(metadata.getColumnType(i)), metadata.getColumnDisplaySize(i));
columns.add(dc);
}
int index = 0;
List<DatabaseRow> rows = new ArrayList<DatabaseRow>();
while (queryResult.next()) {
DatabaseRow row = new DatabaseRow();
row.setIndex(index);
List<String> values = new ArrayList<String>(columnCount);
for (int i = 1; i <= columnCount; i++) {
values.add(queryResult.getString(i));
}
row.setValues(values);
rows.add(row);
index++;
}
DatabaseInfo dbInfo = new DatabaseInfo();
dbInfo.setColumns(columns);
dbInfo.setRows(rows);
return dbInfo;
} catch (SQLException e) {
logger.error("SQLException::", e);
throw new DatabaseServiceException(true, e.getSQLState(), e.getErrorCode(), e.getMessage());
} finally {
MariaDBConnectionManager.getInstance().shutdown();
}
}
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