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task_checker: ignore more unrecoverable error (#1077) #1085

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Sep 23, 2020
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task_checker: ignore more unrecoverable error (#1077) #1085

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e5fa07c
task_checker: ignore more unrecoverable error
lance6716 Sep 23, 2020
6f7fa61
Merge branch 'release-2.0' into release-2.0-c79846065ca5
csuzhangxc Sep 23, 2020
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5 changes: 5 additions & 0 deletions pkg/retry/errors.go
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@ import (
"github.com/pingcap/dm/pkg/terror"
)

// some error reference: https://docs.pingcap.com/tidb/stable/tidb-limitations#limitations-on-a-single-table
var (
// UnsupportedDDLMsgs list the error messages of some unsupported DDL in TiDB
UnsupportedDDLMsgs = []string{
Expand All @@ -35,13 +36,17 @@ var (
"Unsupported collation",
"Invalid default value for",
"Unsupported drop primary key",
"Error 1059: Identifier name", // Limitations on identifier length
"Error 1117: Too many columns",
"Error 1069: Too many keys specified",
}

// UnsupportedDMLMsgs list the error messages of some un-recoverable DML, which is used in task auto recovery
UnsupportedDMLMsgs = []string{
"Error 1062: Duplicate entry",
"Error 1406: Data too long for column",
"Error 1366",
"Error 8025: entry too large",
}

// ParseRelayLogErrMsgs list the error messages of some un-recoverable relay log parsing error, which is used in task auto recovery.
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