DM全量同步的时候，配置的是tdehr库同步到tidb_tdehr库，但是目标地址总会多余的创建tdehr这个空库，但同步结果没问题
配置：
name: tdehr
task-mode: all
is-sharding: true
shard-mode: pessimistic
ignore-checking-items: []
meta-schema: dm_meta
enable-heartbeat: false
heartbeat-update-interval: 0
heartbeat-report-interval: 0
timezone: “”
case-sensitive: false
collation_compatible: loose
target-database:
host: tidb-bigdata.hz.td
port: 4000
user: root
password: Rk2s49@
max-allowed-packet: null
session: {}
security: null
mysql-instances:
- source-id: tdehr
meta: null
filter-rules: []
column-mapping-rules: []
route-rules:- route-01
expression-filters: []
black-white-list: “”
block-allow-list: balist-01
mydumper-config-name: dump-01
mydumper:
mydumper-path: ./bin/mydumper
threads: 4
chunk-filesize: “64”
statement-size: 0
rows: 0
where: “”
skip-tz-utc: true
extra-args: “”
mydumper-thread: 0
loader-config-name: load-01
loader:
pool-size: 16
dir: ./dumped_data
import-mode: sql
on-duplicate: replace
loader-thread: 0
syncer-config-name: sync-01
syncer:
meta-file: “”
worker-count: 16
batch: 100
queue-size: 1024
checkpoint-flush-interval: 30
compact: false
multiple-rows: false
max-retry: 0
auto-fix-gtid: false
enable-gtid: false
disable-detect: false
safe-mode: false
enable-ansi-quotes: false
syncer-thread: 0
continuous-validator-config-name: validator-01
online-ddl: true
shadow-table-rules: []
trash-table-rules: []
online-ddl-scheme: “”
routes:
route-01:
schema-pattern: tdehr
table-pattern: ‘*’
target-schema: tidb_tdehr
target-table: “”
filters: {}
column-mappings: {}
expression-filter: {}
black-white-list: {}
block-allow-list:
balist-01:
do-tables:- db-name: tdehr
tbl-name: ‘*’
do-dbs: []
ignore-tables: []
ignore-dbs: []
mydumpers:
dump-01:
mydumper-path: ./bin/mydumper
threads: 4
chunk-filesize: “64”
statement-size: 0
rows: 0
where: “”
skip-tz-utc: true
extra-args: “”
loaders:
load-01:
pool-size: 16
dir: ./dumped_data
import-mode: sql
on-duplicate: replace
syncers:
sync-01:
meta-file: “”
worker-count: 16
batch: 100
queue-size: 1024
checkpoint-flush-interval: 30
compact: false
multiple-rows: false
max-retry: 0
auto-fix-gtid: false
enable-gtid: false
disable-detect: false
safe-mode: false
enable-ansi-quotes: false
validators:
validator-01:
mode: none
worker-count: 4
validate-interval: 10s
check-interval: 5s
row-error-delay: 30m0s
meta-flush-interval: 1m0s
batch-query-size: 100
clean-dump-file: false
ansi-quotes: false
remove-meta: false
experimental:
async-checkpoint-flush: false
- db-name: tdehr
- route-01