Examples with Command org.h2.command.Command used on opensource projects

Example 81 with Command

use of org.h2.command.Command in project h2database by h2database.

the class Parser method parseAnalyze.

private Prepared parseAnalyze() {
    Analyze command = new Analyze(session);
    if (readIf("TABLE")) {
        Table table = readTableOrView();
        command.setTable(table);
    }
    if (readIf("SAMPLE_SIZE")) {
        command.setTop(readPositiveInt());
    }
    return command;
}

Example 82 with Command

use of org.h2.command.Command in project h2database by h2database.

the class Parser method parseCreateUserDataType.

private CreateUserDataType parseCreateUserDataType() {
    boolean ifNotExists = readIfNotExists();
    CreateUserDataType command = new CreateUserDataType(session);
    command.setTypeName(readUniqueIdentifier());
    read("AS");
    Column col = parseColumnForTable("VALUE", true);
    if (readIf("CHECK")) {
        Expression expr = readExpression();
        col.addCheckConstraint(session, expr);
    }
    col.rename(null);
    command.setColumn(col);
    command.setIfNotExists(ifNotExists);
    return command;
}

Example 83 with Command

use of org.h2.command.Command in project h2database by h2database.

the class Parser method parseReferences.

private void parseReferences(AlterTableAddConstraint command, Schema schema, String tableName) {
    if (readIf("(")) {
        command.setRefTableName(schema, tableName);
        command.setRefIndexColumns(parseIndexColumnList());
    } else {
        String refTableName = readIdentifierWithSchema(schema.getName());
        command.setRefTableName(getSchema(), refTableName);
        if (readIf("(")) {
            command.setRefIndexColumns(parseIndexColumnList());
        }
    }
    if (readIf("INDEX")) {
        String indexName = readIdentifierWithSchema();
        command.setRefIndex(getSchema().findIndex(session, indexName));
    }
    while (readIf("ON")) {
        if (readIf("DELETE")) {
            command.setDeleteAction(parseAction());
        } else {
            read("UPDATE");
            command.setUpdateAction(parseAction());
        }
    }
    if (readIf("NOT")) {
        read("DEFERRABLE");
    } else {
        readIf("DEFERRABLE");
    }
}

Example 84 with Command

use of org.h2.command.Command in project h2database by h2database.

the class Parser method parseCreateUser.

private CreateUser parseCreateUser() {
    CreateUser command = new CreateUser(session);
    command.setIfNotExists(readIfNotExists());
    command.setUserName(readUniqueIdentifier());
    command.setComment(readCommentIf());
    if (readIf("PASSWORD")) {
        command.setPassword(readExpression());
    } else if (readIf("SALT")) {
        command.setSalt(readExpression());
        read("HASH");
        command.setHash(readExpression());
    } else if (readIf("IDENTIFIED")) {
        read("BY");
        // uppercase if not quoted
        command.setPassword(ValueExpression.get(ValueString.get(readColumnIdentifier())));
    } else {
        throw getSyntaxError();
    }
    if (readIf("ADMIN")) {
        command.setAdmin(true);
    }
    return command;
}

Example 85 with Command

use of org.h2.command.Command in project h2database by h2database.

the class Parser method parseSet.

private Prepared parseSet() {
    if (readIf("@")) {
        Set command = new Set(session, SetTypes.VARIABLE);
        command.setString(readAliasIdentifier());
        readIfEqualOrTo();
        command.setExpression(readExpression());
        return command;
    } else if (readIf("AUTOCOMMIT")) {
        readIfEqualOrTo();
        boolean value = readBooleanSetting();
        int setting = value ? CommandInterface.SET_AUTOCOMMIT_TRUE : CommandInterface.SET_AUTOCOMMIT_FALSE;
        return new TransactionCommand(session, setting);
    } else if (readIf("MVCC")) {
        readIfEqualOrTo();
        boolean value = readBooleanSetting();
        Set command = new Set(session, SetTypes.MVCC);
        command.setInt(value ? 1 : 0);
        return command;
    } else if (readIf("EXCLUSIVE")) {
        readIfEqualOrTo();
        Set command = new Set(session, SetTypes.EXCLUSIVE);
        command.setExpression(readExpression());
        return command;
    } else if (readIf("IGNORECASE")) {
        readIfEqualOrTo();
        boolean value = readBooleanSetting();
        Set command = new Set(session, SetTypes.IGNORECASE);
        command.setInt(value ? 1 : 0);
        return command;
    } else if (readIf("PASSWORD")) {
        readIfEqualOrTo();
        AlterUser command = new AlterUser(session);
        command.setType(CommandInterface.ALTER_USER_SET_PASSWORD);
        command.setUser(session.getUser());
        command.setPassword(readExpression());
        return command;
    } else if (readIf("SALT")) {
        readIfEqualOrTo();
        AlterUser command = new AlterUser(session);
        command.setType(CommandInterface.ALTER_USER_SET_PASSWORD);
        command.setUser(session.getUser());
        command.setSalt(readExpression());
        read("HASH");
        command.setHash(readExpression());
        return command;
    } else if (readIf("MODE")) {
        readIfEqualOrTo();
        Set command = new Set(session, SetTypes.MODE);
        command.setString(readAliasIdentifier());
        return command;
    } else if (readIf("COMPRESS_LOB")) {
        readIfEqualOrTo();
        Set command = new Set(session, SetTypes.COMPRESS_LOB);
        if (currentTokenType == VALUE) {
            command.setString(readString());
        } else {
            command.setString(readUniqueIdentifier());
        }
        return command;
    } else if (readIf("DATABASE")) {
        readIfEqualOrTo();
        read("COLLATION");
        return parseSetCollation();
    } else if (readIf("COLLATION")) {
        readIfEqualOrTo();
        return parseSetCollation();
    } else if (readIf("BINARY_COLLATION")) {
        readIfEqualOrTo();
        return parseSetBinaryCollation();
    } else if (readIf("CLUSTER")) {
        readIfEqualOrTo();
        Set command = new Set(session, SetTypes.CLUSTER);
        command.setString(readString());
        return command;
    } else if (readIf("DATABASE_EVENT_LISTENER")) {
        readIfEqualOrTo();
        Set command = new Set(session, SetTypes.DATABASE_EVENT_LISTENER);
        command.setString(readString());
        return command;
    } else if (readIf("ALLOW_LITERALS")) {
        readIfEqualOrTo();
        Set command = new Set(session, SetTypes.ALLOW_LITERALS);
        if (readIf("NONE")) {
            command.setInt(Constants.ALLOW_LITERALS_NONE);
        } else if (readIf("ALL")) {
            command.setInt(Constants.ALLOW_LITERALS_ALL);
        } else if (readIf("NUMBERS")) {
            command.setInt(Constants.ALLOW_LITERALS_NUMBERS);
        } else {
            command.setInt(readPositiveInt());
        }
        return command;
    } else if (readIf("DEFAULT_TABLE_TYPE")) {
        readIfEqualOrTo();
        Set command = new Set(session, SetTypes.DEFAULT_TABLE_TYPE);
        if (readIf("MEMORY")) {
            command.setInt(Table.TYPE_MEMORY);
        } else if (readIf("CACHED")) {
            command.setInt(Table.TYPE_CACHED);
        } else {
            command.setInt(readPositiveInt());
        }
        return command;
    } else if (readIf("CREATE")) {
        readIfEqualOrTo();
        // Derby compatibility (CREATE=TRUE in the database URL)
        read();
        return new NoOperation(session);
    } else if (readIf("HSQLDB.DEFAULT_TABLE_TYPE")) {
        readIfEqualOrTo();
        read();
        return new NoOperation(session);
    } else if (readIf("PAGE_STORE")) {
        readIfEqualOrTo();
        read();
        return new NoOperation(session);
    } else if (readIf("CACHE_TYPE")) {
        readIfEqualOrTo();
        read();
        return new NoOperation(session);
    } else if (readIf("FILE_LOCK")) {
        readIfEqualOrTo();
        read();
        return new NoOperation(session);
    } else if (readIf("DB_CLOSE_ON_EXIT")) {
        readIfEqualOrTo();
        read();
        return new NoOperation(session);
    } else if (readIf("AUTO_SERVER")) {
        readIfEqualOrTo();
        read();
        return new NoOperation(session);
    } else if (readIf("AUTO_SERVER_PORT")) {
        readIfEqualOrTo();
        read();
        return new NoOperation(session);
    } else if (readIf("AUTO_RECONNECT")) {
        readIfEqualOrTo();
        read();
        return new NoOperation(session);
    } else if (readIf("ASSERT")) {
        readIfEqualOrTo();
        read();
        return new NoOperation(session);
    } else if (readIf("ACCESS_MODE_DATA")) {
        readIfEqualOrTo();
        read();
        return new NoOperation(session);
    } else if (readIf("OPEN_NEW")) {
        readIfEqualOrTo();
        read();
        return new NoOperation(session);
    } else if (readIf("JMX")) {
        readIfEqualOrTo();
        read();
        return new NoOperation(session);
    } else if (readIf("PAGE_SIZE")) {
        readIfEqualOrTo();
        read();
        return new NoOperation(session);
    } else if (readIf("RECOVER")) {
        readIfEqualOrTo();
        read();
        return new NoOperation(session);
    } else if (readIf("NAMES")) {
        // Quercus PHP MySQL driver compatibility
        readIfEqualOrTo();
        read();
        return new NoOperation(session);
    } else if (readIf("SCOPE_GENERATED_KEYS")) {
        readIfEqualOrTo();
        read();
        return new NoOperation(session);
    } else if (readIf("SCHEMA")) {
        readIfEqualOrTo();
        Set command = new Set(session, SetTypes.SCHEMA);
        command.setString(readAliasIdentifier());
        return command;
    } else if (readIf("DATESTYLE")) {
        // PostgreSQL compatibility
        readIfEqualOrTo();
        if (!readIf("ISO")) {
            String s = readString();
            if (!equalsToken(s, "ISO")) {
                throw getSyntaxError();
            }
        }
        return new NoOperation(session);
    } else if (readIf("SEARCH_PATH") || readIf(SetTypes.getTypeName(SetTypes.SCHEMA_SEARCH_PATH))) {
        readIfEqualOrTo();
        Set command = new Set(session, SetTypes.SCHEMA_SEARCH_PATH);
        ArrayList<String> list = New.arrayList();
        list.add(readAliasIdentifier());
        while (readIf(",")) {
            list.add(readAliasIdentifier());
        }
        command.setStringArray(list.toArray(new String[0]));
        return command;
    } else if (readIf("JAVA_OBJECT_SERIALIZER")) {
        readIfEqualOrTo();
        return parseSetJavaObjectSerializer();
    } else {
        if (isToken("LOGSIZE")) {
            // HSQLDB compatibility
            currentToken = SetTypes.getTypeName(SetTypes.MAX_LOG_SIZE);
        }
        if (isToken("FOREIGN_KEY_CHECKS")) {
            // MySQL compatibility
            currentToken = SetTypes.getTypeName(SetTypes.REFERENTIAL_INTEGRITY);
        }
        int type = SetTypes.getType(currentToken);
        if (type < 0) {
            throw getSyntaxError();
        }
        read();
        readIfEqualOrTo();
        Set command = new Set(session, type);
        command.setExpression(readExpression());
        return command;
    }
}