ddl(dm): make skipped ddl pass `SplitDDL()` (pingcap#4176)

close pingcap#4173

ticdc/cli: use cdc OpenAPI instead of etcd for some cli commands (Par…

…t Ⅱ) (pingcap#3931)

codec(cdc): fix encoder `max-message-bytes` (pingcap#4074) (pingcap#4077

)

codec(cdc): fix encoder `max-message-bytes` (pingcap#4074) (pingcap#4076

)

* This is an automated cherry-pick of pingcap#4074

Signed-off-by: ti-chi-bot <[email protected]>

* remove craft.

* fix json.

* fix more.

* fix mq test.

* fix json test.

* fix mq test.

* fix kafka test.

* fix json test.

* fix kafka test

* fix kafka test

* fix kafka test

* comment out.

* revert comment.

* update go sum.

* move opt out.

Co-authored-by: Ling Jin <[email protected]>
Co-authored-by: 3AceShowHand <[email protected]>

Revert "mounter(ticdc): fix mounter add default value type unsupported (

pingcap#3846) (pingcap#3855)" (pingcap#3921)

processor,sink(cdc): let sink report resolved ts and do not skip buff…

…er sink flush (pingcap#3540)

schema storage shallow copy DBInfo (pingcap#3085)

* schema storage shallow copy DBInfo

Signed-off-by: sdojjy <[email protected]>

* schema storage shallow copy DBInfo

fix ErrSnapshotLostByGC message (pingcap#3083) (pingcap#3090)

fix ErrSnapshotLostByGC message (pingcap#3083) (pingcap#3090)

ddl-puller: use standard context and pass changefeed, table info (pin…

…gcap#3020) (pingcap#3045)