Examples with SQLController org.datanucleus.store.rdbms.SQLController used on opensource projects

Example 26 with SQLController

use of org.datanucleus.store.rdbms.SQLController in project datanucleus-rdbms by datanucleus.

the class JoinPersistableRelationStore method update.

/* (non-Javadoc)
     * @see org.datanucleus.store.scostore.PersistableRelationStore#update(org.datanucleus.store.ObjectProvider, org.datanucleus.store.ObjectProvider)
     */
public boolean update(ObjectProvider op1, ObjectProvider op2) {
    String updateStmt = getUpdateStmt();
    ExecutionContext ec = op1.getExecutionContext();
    SQLController sqlControl = storeMgr.getSQLController();
    try {
        ManagedConnection mconn = storeMgr.getConnectionManager().getConnection(ec);
        PreparedStatement ps = sqlControl.getStatementForUpdate(mconn, updateStmt, false);
        try {
            // Update the join table row
            int jdbcPosition = 1;
            jdbcPosition = BackingStoreHelper.populateElementInStatement(ec, ps, op2.getObject(), jdbcPosition, joinTable.getRelatedMapping());
            populateOwnerInStatement(op1, ec, ps, jdbcPosition, joinTable);
            // Execute the statement
            int[] nums = sqlControl.executeStatementUpdate(ec, mconn, updateStmt, ps, true);
            return (nums != null && nums.length == 1 && nums[0] == 1);
        } finally {
            sqlControl.closeStatement(mconn, ps);
            mconn.release();
        }
    } catch (SQLException sqle) {
        throw new NucleusDataStoreException("Exception thrown updating row into persistable relation join table", sqle);
    }
}

Example 27 with SQLController

use of org.datanucleus.store.rdbms.SQLController in project datanucleus-rdbms by datanucleus.

the class JoinSetStore method doInternalAdd.

protected int[] doInternalAdd(ObjectProvider op, E element, ManagedConnection conn, boolean batched, int orderId, boolean executeNow) throws MappedDatastoreException {
    // Check for dynamic schema updates prior to addition
    if (storeMgr.getBooleanObjectProperty(RDBMSPropertyNames.PROPERTY_RDBMS_DYNAMIC_SCHEMA_UPDATES).booleanValue()) {
        DynamicSchemaFieldManager dynamicSchemaFM = new DynamicSchemaFieldManager(storeMgr, op);
        Collection coll = new HashSet();
        coll.add(element);
        dynamicSchemaFM.storeObjectField(ownerMemberMetaData.getAbsoluteFieldNumber(), coll);
        if (dynamicSchemaFM.hasPerformedSchemaUpdates()) {
            invalidateAddStmt();
        }
    }
    String addStmt = getAddStmtForJoinTable();
    boolean notYetFlushedError = false;
    ExecutionContext ec = op.getExecutionContext();
    SQLController sqlControl = storeMgr.getSQLController();
    try {
        PreparedStatement ps = sqlControl.getStatementForUpdate(conn, addStmt, batched);
        try {
            // Insert the join table row
            int jdbcPosition = 1;
            jdbcPosition = BackingStoreHelper.populateOwnerInStatement(op, ec, ps, jdbcPosition, this);
            jdbcPosition = BackingStoreHelper.populateElementInStatement(ec, ps, element, jdbcPosition, elementMapping);
            if (orderMapping != null) {
                jdbcPosition = BackingStoreHelper.populateOrderInStatement(ec, ps, orderId, jdbcPosition, orderMapping);
            }
            if (relationDiscriminatorMapping != null) {
                jdbcPosition = BackingStoreHelper.populateRelationDiscriminatorInStatement(ec, ps, jdbcPosition, this);
            }
            return sqlControl.executeStatementUpdate(ec, conn, addStmt, ps, executeNow);
        } catch (NotYetFlushedException nfe) {
            notYetFlushedError = true;
            throw nfe;
        } finally {
            if (notYetFlushedError) {
                sqlControl.abortStatementForConnection(conn, ps);
            } else {
                sqlControl.closeStatement(conn, ps);
            }
        }
    } catch (SQLException e) {
        throw new MappedDatastoreException(addStmt, e);
    }
}

Example 28 with SQLController

use of org.datanucleus.store.rdbms.SQLController in project datanucleus-rdbms by datanucleus.

the class JoinSetStore method getNextIDForOrderColumn.

protected int getNextIDForOrderColumn(ObjectProvider op) {
    int nextID;
    ExecutionContext ec = op.getExecutionContext();
    String stmt = getMaxOrderColumnIdStmt();
    try {
        ManagedConnection mconn = storeMgr.getConnectionManager().getConnection(ec);
        SQLController sqlControl = storeMgr.getSQLController();
        try {
            PreparedStatement ps = sqlControl.getStatementForQuery(mconn, stmt);
            try {
                int jdbcPosition = 1;
                jdbcPosition = BackingStoreHelper.populateOwnerInStatement(op, ec, ps, jdbcPosition, this);
                if (relationDiscriminatorMapping != null) {
                    BackingStoreHelper.populateRelationDiscriminatorInStatement(ec, ps, jdbcPosition, this);
                }
                ResultSet rs = sqlControl.executeStatementQuery(ec, mconn, stmt, ps);
                try {
                    if (!rs.next()) {
                        nextID = 1;
                    } else {
                        nextID = rs.getInt(1) + 1;
                    }
                    JDBCUtils.logWarnings(rs);
                } finally {
                    rs.close();
                }
            } finally {
                sqlControl.closeStatement(mconn, ps);
            }
        } finally {
            mconn.release();
        }
    } catch (SQLException e) {
        throw new NucleusDataStoreException(Localiser.msg("056020", stmt), e);
    }
    return nextID;
}

Example 29 with SQLController

use of org.datanucleus.store.rdbms.SQLController in project datanucleus-rdbms by datanucleus.

the class MapEntrySetStore method size.

public int size(ObjectProvider op) {
    int numRows;
    String stmt = getSizeStmt();
    try {
        ExecutionContext ec = op.getExecutionContext();
        ManagedConnection mconn = storeMgr.getConnectionManager().getConnection(ec);
        SQLController sqlControl = storeMgr.getSQLController();
        try {
            PreparedStatement ps = sqlControl.getStatementForQuery(mconn, stmt);
            try {
                int jdbcPosition = 1;
                BackingStoreHelper.populateOwnerInStatement(op, ec, ps, jdbcPosition, this);
                ResultSet rs = sqlControl.executeStatementQuery(ec, mconn, stmt, ps);
                try {
                    if (!rs.next()) {
                        throw new NucleusDataStoreException("Size request returned no result row: " + stmt);
                    }
                    numRows = rs.getInt(1);
                    JDBCUtils.logWarnings(rs);
                } finally {
                    rs.close();
                }
            } finally {
                sqlControl.closeStatement(mconn, ps);
            }
        } finally {
            mconn.release();
        }
    } catch (SQLException e) {
        throw new NucleusDataStoreException("Size request failed: " + stmt, e);
    }
    return numRows;
}

Example 30 with SQLController

use of org.datanucleus.store.rdbms.SQLController in project datanucleus-rdbms by datanucleus.

the class MapEntrySetStore method iterator.

/**
 * Method returning an iterator across the entries in the map for this owner object.
 * @param ownerOP ObjectProvider of the owning object
 * @return The iterator for the entries (<pre>map.entrySet().iterator()</pre>).
 */
public Iterator<Map.Entry<K, V>> iterator(ObjectProvider ownerOP) {
    ExecutionContext ec = ownerOP.getExecutionContext();
    if (iteratorStmtLocked == null) {
        synchronized (// Make sure this completes in case another thread needs the same info
        this) {
            // Generate the statement, and statement mapping/parameter information
            SQLStatement sqlStmt = getSQLStatementForIterator(ownerOP);
            iteratorStmtUnlocked = sqlStmt.getSQLText().toSQL();
            sqlStmt.addExtension(SQLStatement.EXTENSION_LOCK_FOR_UPDATE, true);
            iteratorStmtLocked = sqlStmt.getSQLText().toSQL();
        }
    }
    Transaction tx = ec.getTransaction();
    String stmt = (tx.getSerializeRead() != null && tx.getSerializeRead() ? iteratorStmtLocked : iteratorStmtUnlocked);
    try {
        ManagedConnection mconn = storeMgr.getConnectionManager().getConnection(ec);
        SQLController sqlControl = storeMgr.getSQLController();
        try {
            // Create the statement and set the owner
            PreparedStatement ps = sqlControl.getStatementForQuery(mconn, stmt);
            StatementMappingIndex ownerIdx = iteratorMappingParams.getMappingForParameter("owner");
            int numParams = ownerIdx.getNumberOfParameterOccurrences();
            for (int paramInstance = 0; paramInstance < numParams; paramInstance++) {
                ownerIdx.getMapping().setObject(ec, ps, ownerIdx.getParameterPositionsForOccurrence(paramInstance), ownerOP.getObject());
            }
            try {
                ResultSet rs = sqlControl.executeStatementQuery(ec, mconn, stmt, ps);
                try {
                    return new SetIterator(ownerOP, this, ownerMemberMetaData, rs, iteratorKeyResultCols, iteratorValueResultCols) {

                        protected boolean next(Object rs) throws MappedDatastoreException {
                            try {
                                return ((ResultSet) rs).next();
                            } catch (SQLException e) {
                                throw new MappedDatastoreException("SQLException", e);
                            }
                        }
                    };
                } finally {
                    rs.close();
                }
            } finally {
                sqlControl.closeStatement(mconn, ps);
            }
        } finally {
            mconn.release();
        }
    } catch (SQLException e) {
        throw new NucleusDataStoreException("Iteration request failed: " + stmt, e);
    } catch (MappedDatastoreException e) {
        throw new NucleusDataStoreException("Iteration request failed: " + stmt, e);
    }
}