当前位置: 首页>>代码示例>>Java>>正文

Java Database.updateMeta方法代码示例

本文整理汇总了Java中org.h2.engine.Database.updateMeta方法的典型用法代码示例。如果您正苦于以下问题：Java Database.updateMeta方法的具体用法？Java Database.updateMeta怎么用？Java Database.updateMeta使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.h2.engine.Database的用法示例。


在下文中一共展示了Database.updateMeta方法的9个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: update

import org.h2.engine.Database; //导入方法依赖的package包/类
@Override
public int update() {
    session.commit(true);
    Database db = session.getDatabase();
    session.getUser().checkRight(oldTable, Right.ALL);
    Table t = getSchema().findTableOrView(session, newTableName);
    if (t != null && hidden && newTableName.equals(oldTable.getName())) {
        if (!t.isHidden()) {
            t.setHidden(hidden);
            oldTable.setHidden(true);
            db.updateMeta(session, oldTable);
        }
        return 0;
    }
    if (t != null || newTableName.equals(oldTable.getName())) {
        throw DbException.get(ErrorCode.TABLE_OR_VIEW_ALREADY_EXISTS_1, newTableName);
    }
    if (oldTable.isTemporary()) {
        throw DbException.getUnsupportedException("temp table");
    }
    db.renameSchemaObject(session, oldTable, newTableName);
    return 0;
}
开发者ID:vdr007，项目名称:ThriftyPaxos，代码行数:24，代码来源:AlterTableRename.java

示例2: revokeRight

import org.h2.engine.Database; //导入方法依赖的package包/类
private void revokeRight() {
    for (Table table : tables) {
        Right right = grantee.getRightForTable(table);
        if (right == null) {
            continue;
        }
        int mask = right.getRightMask();
        int newRight = mask & ~rightMask;
        Database db = session.getDatabase();
        if (newRight == 0) {
            db.removeDatabaseObject(session, right);
        } else {
            right.setRightMask(newRight);
            db.updateMeta(session, right);
        }
    }
}
开发者ID:vdr007，项目名称:ThriftyPaxos，代码行数:18，代码来源:GrantRevoke.java

示例3: update

import org.h2.engine.Database; //导入方法依赖的package包/类
@Override
public int update() {
    session.commit(true);
    Database db = session.getDatabase();
    if (!oldSchema.canDrop()) {
        throw DbException.get(ErrorCode.SCHEMA_CAN_NOT_BE_DROPPED_1,
                oldSchema.getName());
    }
    if (db.findSchema(newSchemaName) != null ||
            newSchemaName.equals(oldSchema.getName())) {
        throw DbException.get(ErrorCode.SCHEMA_ALREADY_EXISTS_1,
                newSchemaName);
    }
    session.getUser().checkSchemaAdmin();
    db.renameDatabaseObject(session, oldSchema, newSchemaName);
    ArrayList<SchemaObject> all = db.getAllSchemaObjects();
    for (SchemaObject schemaObject : all) {
        db.updateMeta(session, schemaObject);
    }
    return 0;
}
开发者ID:vdr007，项目名称:ThriftyPaxos，代码行数:22，代码来源:AlterSchemaRename.java

示例4: update

import org.h2.engine.Database; //导入方法依赖的package包/类
@Override
public int update() {
    session.commit(true);
    Database db = session.getDatabase();
    session.getUser().checkRight(table, Right.ALL);
    table.checkSupportAlter();
    // we need to update CHECK constraint
    // since it might reference the name of the column
    Expression newCheckExpr = column.getCheckConstraint(session, newName);
    table.renameColumn(column, newName);
    column.removeCheckConstraint();
    column.addCheckConstraint(session, newCheckExpr);
    table.setModified();
    db.updateMeta(session, table);
    for (DbObject child : table.getChildren()) {
        if (child.getCreateSQL() != null) {
            db.updateMeta(session, child);
        }
    }
    return 0;
}
开发者ID:vdr007，项目名称:ThriftyPaxos，代码行数:22，代码来源:AlterTableRenameColumn.java

示例5: update

import org.h2.engine.Database; //导入方法依赖的package包/类
@Override
public int update() {
    session.commit(true);
    Database db = session.getDatabase();
    switch (type) {
    case CommandInterface.ALTER_USER_SET_PASSWORD:
        if (user != session.getUser()) {
            session.getUser().checkAdmin();
        }
        if (hash != null && salt != null) {
            user.setSaltAndHash(getByteArray(salt), getByteArray(hash));
        } else {
            String name = newName == null ? user.getName() : newName;
            char[] passwordChars = getCharArray(password);
            byte[] userPasswordHash = SHA256.getKeyPasswordHash(name, passwordChars);
            user.setUserPasswordHash(userPasswordHash);
        }
        break;
    case CommandInterface.ALTER_USER_RENAME:
        session.getUser().checkAdmin();
        if (db.findUser(newName) != null || newName.equals(user.getName())) {
            throw DbException.get(ErrorCode.USER_ALREADY_EXISTS_1, newName);
        }
        db.renameDatabaseObject(session, user, newName);
        break;
    case CommandInterface.ALTER_USER_ADMIN:
        session.getUser().checkAdmin();
        if (!admin) {
            user.checkOwnsNoSchemas();
        }
        user.setAdmin(admin);
        break;
    default:
        DbException.throwInternalError("type=" + type);
    }
    db.updateMeta(session, user);
    return 0;
}
开发者ID:vdr007，项目名称:ThriftyPaxos，代码行数:39，代码来源:AlterUser.java

示例6: grantRight

import org.h2.engine.Database; //导入方法依赖的package包/类
private void grantRight() {
    Database db = session.getDatabase();
    for (Table table : tables) {
        Right right = grantee.getRightForTable(table);
        if (right == null) {
            int id = getObjectId();
            right = new Right(db, id, grantee, rightMask, table);
            grantee.grantRight(table, right);
            db.addDatabaseObject(session, right);
        } else {
            right.setRightMask(right.getRightMask() | rightMask);
            db.updateMeta(session, right);
        }
    }
}
开发者ID:vdr007，项目名称:ThriftyPaxos，代码行数:16，代码来源:GrantRevoke.java

示例7: addOrUpdateSetting

import org.h2.engine.Database; //导入方法依赖的package包/类
private void addOrUpdateSetting(Session session, String name, String s,
        int v) {
    Database database = session.getDatabase();
    if (database.isReadOnly()) {
        return;
    }
    Setting setting = database.findSetting(name);
    boolean addNew = false;
    if (setting == null) {
        addNew = true;
        int id = getObjectId();
        setting = new Setting(database, id, name);
    }
    if (s != null) {
        if (!addNew && setting.getStringValue().equals(s)) {
            return;
        }
        setting.setStringValue(s);
    } else {
        if (!addNew && setting.getIntValue() == v) {
            return;
        }
        setting.setIntValue(v);
    }
    if (addNew) {
        database.addDatabaseObject(session, setting);
    } else {
        database.updateMeta(session, setting);
    }
}
开发者ID:vdr007，项目名称:ThriftyPaxos，代码行数:31，代码来源:Set.java

示例8: update

import org.h2.engine.Database; //导入方法依赖的package包/类
@Override
public int update() {
    Database db = session.getDatabase();
    if (table != null) {
        session.getUser().checkRight(table, Right.ALL);
    }
    if (cycle != null) {
        sequence.setCycle(cycle);
    }
    if (cacheSize != null) {
        long size = cacheSize.optimize(session).getValue(session).getLong();
        sequence.setCacheSize(size);
    }
    if (start != null || minValue != null ||
            maxValue != null || increment != null) {
        Long startValue = getLong(start);
        Long min = getLong(minValue);
        Long max = getLong(maxValue);
        Long inc = getLong(increment);
        sequence.modify(startValue, min, max, inc);
    }
    // need to use the system session, so that the update
    // can be committed immediately - not committing it
    // would keep other transactions from using the sequence
    Session sysSession = db.getSystemSession();
    synchronized (sysSession) {
        synchronized (db) {
            db.updateMeta(sysSession, sequence);
            sysSession.commit(true);
        }
    }
    return 0;
}
开发者ID:vdr007，项目名称:ThriftyPaxos，代码行数:34，代码来源:AlterSequence.java

示例9: update

import org.h2.engine.Database; //导入方法依赖的package包/类
@Override
public int update() {
    session.commit(true);
    session.getUser().checkAdmin();
    Database db = session.getDatabase();
    TableView view = null;
    Table old = getSchema().findTableOrView(session, viewName);
    if (old != null) {
        if (ifNotExists) {
            return 0;
        }
        if (!orReplace || !Table.VIEW.equals(old.getTableType())) {
            throw DbException.get(ErrorCode.VIEW_ALREADY_EXISTS_1, viewName);
        }
        view = (TableView) old;
    }
    int id = getObjectId();
    String querySQL;
    if (select == null) {
        querySQL = selectSQL;
    } else {
        ArrayList<Parameter> params = select.getParameters();
        if (params != null && params.size() > 0) {
            throw DbException.getUnsupportedException("parameters in views");
        }
        querySQL = select.getPlanSQL();
    }
    // The view creates a Prepared command object, which belongs to a
    // session, so we pass the system session down.
    Session sysSession = db.getSystemSession();
    try {
        if (view == null) {
            Schema schema = session.getDatabase().getSchema(session.getCurrentSchemaName());
            sysSession.setCurrentSchema(schema);
            view = new TableView(getSchema(), id, viewName, querySQL, null,
                    columnNames, sysSession, false);
        } else {
            view.replace(querySQL, columnNames, sysSession, false, force);
            view.setModified();
        }
    } finally {
        sysSession.setCurrentSchema(db.getSchema(Constants.SCHEMA_MAIN));
    }
    if (comment != null) {
        view.setComment(comment);
    }
    if (old == null) {
        db.addSchemaObject(session, view);
    } else {
        db.updateMeta(session, view);
    }
    return 0;
}
开发者ID:vdr007，项目名称:ThriftyPaxos，代码行数:54，代码来源:CreateView.java


注：本文中的org.h2.engine.Database.updateMeta方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。