Package org.lealone.command

Examples of org.lealone.command.CommandInterface

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            throw e;
        }
    }

    private void switchOffCluster() {
        CommandInterface ci = prepareCommand("SET CLUSTER ''", Integer.MAX_VALUE);
        ci.executeUpdate();
    }
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    protected void recreateSessionState() {
        if (sessionState != null && sessionState.size() > 0) {
            sessionStateUpdating = true;
            try {
                for (String sql : sessionState) {
                    CommandInterface ci = prepareCommand(sql, Integer.MAX_VALUE);
                    ci.executeUpdate();
                }
            } finally {
                sessionStateUpdating = false;
                sessionStateChanged = false;
            }
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        if (!sessionStateChanged || sessionStateUpdating) {
            return;
        }
        sessionStateChanged = false;
        sessionState = New.arrayList();
        CommandInterface ci = prepareCommand("SELECT * FROM INFORMATION_SCHEMA.SESSION_STATE", Integer.MAX_VALUE);
        ResultInterface result = ci.executeQuery(0, false);
        while (result.next()) {
            Value[] row = result.currentRow();
            sessionState.add(row[1].getString());
        }
    }
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    public String getCatalog() throws SQLException {
        try {
            debugCodeCall("getCatalog");
            checkClosed();
            if (catalog == null) {
                CommandInterface cat = prepareCommand("CALL DATABASE()", Integer.MAX_VALUE);
                ResultInterface result = cat.executeQuery(0, false);
                result.next();
                catalog = result.currentRow()[0].getString();
                cat.close();
            }
            return catalog;
        } catch (Exception e) {
            throw logAndConvert(e);
        }
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            int id = getNextId(TraceObject.SAVEPOINT);
            if (isDebugEnabled()) {
                debugCodeAssign("Savepoint", TraceObject.SAVEPOINT, id, "setSavepoint()");
            }
            checkClosed();
            CommandInterface set = prepareCommand("SAVEPOINT " + JdbcSavepoint.getName(null, savepointId), Integer.MAX_VALUE);
            set.executeUpdate();
            JdbcSavepoint savepoint = new JdbcSavepoint(this, savepointId, null, trace, id);
            savepointId++;
            return savepoint;
        } catch (Exception e) {
            throw logAndConvert(e);
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            int id = getNextId(TraceObject.SAVEPOINT);
            if (isDebugEnabled()) {
                debugCodeAssign("Savepoint", TraceObject.SAVEPOINT, id, "setSavepoint(" + quote(name) + ")");
            }
            checkClosed();
            CommandInterface set = prepareCommand("SAVEPOINT " + JdbcSavepoint.getName(name, 0), Integer.MAX_VALUE);
            set.executeUpdate();
            JdbcSavepoint savepoint = new JdbcSavepoint(this, 0, name, trace, id);
            return savepoint;
        } catch (Exception e) {
            throw logAndConvert(e);
        }
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Related Classes of org.lealone.command.CommandInterface

  • org.lealone.engine.DatabaseEngineBase
  • org.lealone.engine.SessionRemote
  • org.lealone.engine.SessionWithState
  • org.lealone.hbase.command.CommandParallel
  • org.lealone.hbase.command.dml.InsertOrMergeSupport
  • org.lealone.jdbc.JdbcConnection
  • org.lealone.jdbc.JdbcStatement
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