Examples with NotAViewException org.datanucleus.store.rdbms.exceptions.NotAViewException used on opensource projects

Example 1 with NotAViewException

use of org.datanucleus.store.rdbms.exceptions.NotAViewException in project datanucleus-rdbms by datanucleus.

the class ViewImpl method validate.

/**
 * Method to validate the view in the datastore. Validates the existence of the table, and then the specifications of the Columns.
 * @param conn The JDBC Connection
 * @param validateColumnStructure Whether to validate down to column structure, or just their existence
 * @param autoCreate Whether to update the view to fix errors (not used).
 * @param autoCreateErrors Errors found during the auto-create process
 * @return Whether the database was modified
 * @throws SQLException Thrown when an error occurs in the JDBC calls
 */
public boolean validate(Connection conn, boolean validateColumnStructure, boolean autoCreate, Collection autoCreateErrors) throws SQLException {
    assertIsInitialized();
    // Check existence and validity
    RDBMSSchemaHandler handler = (RDBMSSchemaHandler) storeMgr.getSchemaHandler();
    String tableType = handler.getTableType(conn, this);
    if (tableType == null) {
        throw new MissingTableException(getCatalogName(), getSchemaName(), this.toString());
    } else if (// TODO Allow "MATERIALIZED VIEW" that some RDBMS support (e.g PostgreSQL)
    !tableType.equals("VIEW")) {
        throw new NotAViewException(this.toString(), tableType);
    }
    long startTime = System.currentTimeMillis();
    if (NucleusLogger.DATASTORE.isDebugEnabled()) {
        NucleusLogger.DATASTORE.debug(Localiser.msg("031004", this));
    }
    // Validate the column(s)
    Map<DatastoreIdentifier, Column> unvalidated = new HashMap(columnsByIdentifier);
    Iterator i = storeMgr.getColumnInfoForTable(this, conn).iterator();
    while (i.hasNext()) {
        RDBMSColumnInfo ci = (RDBMSColumnInfo) i.next();
        DatastoreIdentifier colIdentifier = storeMgr.getIdentifierFactory().newIdentifier(IdentifierType.COLUMN, ci.getColumnName());
        Column col = unvalidated.get(colIdentifier);
        if (col == null) {
            if (!hasColumnName(colIdentifier)) {
                throw new UnexpectedColumnException(this.toString(), ci.getColumnName(), this.getSchemaName(), this.getCatalogName());
            }
        // Otherwise it's a duplicate column name in the metadata and we ignore it.  Cloudscape is known to do this, although I think that's probably a bug.
        } else {
            if (validateColumnStructure) {
                col.validate(ci);
                unvalidated.remove(colIdentifier);
            } else {
                unvalidated.remove(colIdentifier);
            }
        }
    }
    if (unvalidated.size() > 0) {
        throw new MissingColumnException(this, unvalidated.values());
    }
    state = TABLE_STATE_VALIDATED;
    if (NucleusLogger.DATASTORE.isDebugEnabled()) {
        NucleusLogger.DATASTORE.debug(Localiser.msg("045000", (System.currentTimeMillis() - startTime)));
    }
    return false;
}