azexcy opened a new issue, #19070:
URL: https://github.com/apache/shardingsphere/issues/19070
## Bug Report
When using openGauss database, scalling increment task will falied, when the
insert row have null value of number(eg smallint, bytea)
create table sql:
```
CREATE TABLE "t_order_0" (
"id" int8 NOT NULL,
"order_id" int4 NOT NULL,
"user_id" int4 NOT NULL,
"status" varchar(50) COLLATE "pg_catalog"."default",
"t_int2" int2,
"t_numeric" numeric(10,2),
"t_bool" bool,
"t_bytea" bytea,
"t_char" char(10) COLLATE "pg_catalog"."default",
"t_varchar" varchar(128) COLLATE "pg_catalog"."default",
"t_float" float8,
"t_double" float4,
"t_json" json,
"t_jsonb" jsonb,
"t_text" text COLLATE "pg_catalog"."default",
"t_date" date,
"t_time" time(6),
"t_timestmap" timestamp(6),
"t_timestamptz" timestamptz(6),
CONSTRAINT "t_order_0_pkey" PRIMARY KEY ("id")
)
;
```
```
[ERROR] 2022-07-12 19:28:22.378
[ShardingSphere-Scaling-Incremental-0130317c30317c3054317c7368617264696e675f6462-4]
o.a.s.d.p.s.r.RuleAlteredJobScheduler - Incremental task execute failed.
java.lang.NumberFormatException: For input string: "null"
at
java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Integer.parseInt(Integer.java:580)
at java.lang.Short.parseShort(Short.java:118)
at java.lang.Short.parseShort(Short.java:144)
at
org.apache.shardingsphere.data.pipeline.opengauss.ingest.wal.decode.MppdbDecodingPlugin.readColumnData(MppdbDecodingPlugin.java:149)
at
org.apache.shardingsphere.data.pipeline.opengauss.ingest.wal.decode.MppdbDecodingPlugin.getColumnDataFromMppDataEvent(MppdbDecodingPlugin.java:127)
at
org.apache.shardingsphere.data.pipeline.opengauss.ingest.wal.decode.MppdbDecodingPlugin.readWriteRowEvent(MppdbDecodingPlugin.java:108)
at
org.apache.shardingsphere.data.pipeline.opengauss.ingest.wal.decode.MppdbDecodingPlugin.readTableEvent(MppdbDecodingPlugin.java:89)
at
org.apache.shardingsphere.data.pipeline.opengauss.ingest.wal.decode.MppdbDecodingPlugin.decode(MppdbDecodingPlugin.java:57)
at
org.apache.shardingsphere.data.pipeline.opengauss.ingest.OpenGaussWalDumper.dump(OpenGaussWalDumper.java:88)
at
org.apache.shardingsphere.data.pipeline.opengauss.ingest.OpenGaussWalDumper.doStart(OpenGaussWalDumper.java:74)
at
org.apache.shardingsphere.data.pipeline.api.executor.AbstractLifecycleExecutor.start(AbstractLifecycleExecutor.java:41)
at
org.apache.shardingsphere.data.pipeline.core.task.IncrementalTask.doStart(IncrementalTask.java:85)
at
org.apache.shardingsphere.data.pipeline.api.executor.AbstractLifecycleExecutor.start(AbstractLifecycleExecutor.java:41)
at
org.apache.shardingsphere.data.pipeline.api.executor.AbstractLifecycleExecutor.run(AbstractLifecycleExecutor.java:61)
at
java.util.concurrent.CompletableFuture$AsyncRun.run$$$capture(CompletableFuture.java:1640)
at
java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:750)
```
<img width="1116" alt="image"
src="https://user-images.githubusercontent.com/101622833/178479678-8c1a1aac-4ccf-42ff-8388-8565a1f8b50f.png";>
### Which version of ShardingSphere did you use?
master 844c2d3f8691dee13e77a59180f123a6383a8939
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
Proxy
### Expected behavior
scaling start increment task
### Actual behavior
increment task falied
### Reason analyze (If you can)
Not handle null value correctly.
### Steps to reproduce the behavior, such as: SQL to execute, sharding rule
configuration, when exception occur etc.
### Example codes for reproduce this issue (such as a github link).
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