Examples with FieldPacket com.actiontech.dble.net.mysql.FieldPacket used on opensource projects

Example 41 with FieldPacket

use of com.actiontech.dble.net.mysql.FieldPacket in project dble by actiontech.

the class ShowCreateView method sendOutTheViewInfo.

public static void sendOutTheViewInfo(ServerConnection c, String schema, String viewName) throws Exception {
    // check if the view or schema is not exists
    if (schema == null || "".equals(schema)) {
        throw new Exception(" No database selected");
    }
    SchemaMeta schemaMeta = DbleServer.getInstance().getTmManager().getCatalogs().get(schema);
    if (schemaMeta == null) {
        throw new Exception("Table '" + schema + "." + viewName + "' doesn't exist");
    }
    ViewMeta view = schemaMeta.getViewMetas().get(viewName);
    if (view == null) {
        throw new Exception("Table '" + schema + "." + viewName + "' doesn't exist");
    }
    ByteBuffer buffer = c.allocate();
    // write header
    buffer = HEADER.write(buffer, c, true);
    // write fields
    for (FieldPacket field : FIELDS) {
        buffer = field.write(buffer, c, true);
    }
    // write eof
    buffer = EOF.write(buffer, c, true);
    // write rows
    byte packetId = EOF.getPacketId();
    RowDataPacket row = getRow(view, c.getCharset().getResults(), c.getCharset().getCollation());
    row.setPacketId(++packetId);
    buffer = row.write(buffer, c, true);
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    // write buffer
    c.write(buffer);
}

Example 42 with FieldPacket

use of com.actiontech.dble.net.mysql.FieldPacket in project dble by actiontech.

the class OneRawSQLQueryResultHandler method onHeader.

@Override
public void onHeader(List<byte[]> fields) {
    fieldCount = fields.size();
    fetchColPosMap = new HashMap<>();
    for (String watchFd : fetchCols) {
        for (int i = 0; i < fieldCount; i++) {
            byte[] field = fields.get(i);
            FieldPacket fieldPkg = new FieldPacket();
            fieldPkg.read(field);
            String fieldName = new String(fieldPkg.getName());
            if (watchFd.equalsIgnoreCase(fieldName)) {
                fetchColPosMap.put(fieldName, i);
            }
        }
    }
}

Example 43 with FieldPacket

use of com.actiontech.dble.net.mysql.FieldPacket in project dble by actiontech.

the class SelectIdentity method response.

public static void response(ServerConnection c, String stmt, int aliasIndex, final String orgName) {
    String alias = ParseUtil.parseAlias(stmt, aliasIndex);
    if (alias == null) {
        alias = orgName;
    }
    ByteBuffer buffer = c.allocate();
    // write header
    buffer = HEADER.write(buffer, c, true);
    // write fields
    byte packetId = HEADER.getPacketId();
    FieldPacket field = PacketUtil.getField(alias, orgName, Fields.FIELD_TYPE_LONGLONG);
    field.setPacketId(++packetId);
    buffer = field.write(buffer, c, true);
    // write eof
    EOFPacket eof = new EOFPacket();
    eof.setPacketId(++packetId);
    buffer = eof.write(buffer, c, true);
    // write rows
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.add(LongUtil.toBytes(c.getLastInsertId()));
    row.setPacketId(++packetId);
    buffer = row.write(buffer, c, true);
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    // post write
    c.write(buffer);
}

Example 44 with FieldPacket

use of com.actiontech.dble.net.mysql.FieldPacket in project dble by actiontech.

the class SelectLastInsertId method response.

public static void response(ServerConnection c, String stmt, int aliasIndex) {
    String alias = ParseUtil.parseAlias(stmt, aliasIndex);
    if (alias == null) {
        alias = ORG_NAME;
    }
    ByteBuffer buffer = c.allocate();
    // write header
    buffer = HEADER.write(buffer, c, true);
    // write fields
    byte packetId = HEADER.getPacketId();
    FieldPacket field = PacketUtil.getField(alias, ORG_NAME, Fields.FIELD_TYPE_LONGLONG);
    field.setPacketId(++packetId);
    buffer = field.write(buffer, c, true);
    // write eof
    EOFPacket eof = new EOFPacket();
    eof.setPacketId(++packetId);
    buffer = eof.write(buffer, c, true);
    // write rows
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.add(LongUtil.toBytes(c.getLastInsertId()));
    row.setPacketId(++packetId);
    buffer = row.write(buffer, c, true);
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    // post write
    c.write(buffer);
}

Example 45 with FieldPacket

use of com.actiontech.dble.net.mysql.FieldPacket in project dble by actiontech.

the class SelectTxReadOnly method response.

public static void response(ServerConnection c) {
    ByteBuffer buffer = c.allocate();
    buffer = HEADER.write(buffer, c, true);
    for (FieldPacket field : FIELDS) {
        buffer = field.write(buffer, c, true);
    }
    buffer = EOF.write(buffer, c, true);
    byte packetId = EOF.getPacketId();
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    int result = c.isReadOnly() ? 1 : 0;
    row.add(LongUtil.toBytes(result));
    row.setPacketId(++packetId);
    buffer = row.write(buffer, c, true);
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    c.write(buffer);
}