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Optimize Watch_replication_Stream parameter description #6253

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Merged
sougou merged 1 commit into from
Jun 2, 2020
Merged

Optimize Watch_replication_Stream parameter description #6253

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6 changes: 6 additions & 0 deletions go/vt/binlog/binlog_streamer.go
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Original file line number Diff line number Diff line change
Expand Up @@ -727,6 +727,12 @@ func writeValuesAsSQL(sql *sqlparser.TrackedBuffer, tce *tableCacheEntry, rs *my
if getPK {
pkValues = make([]sqltypes.Value, len(tce.pkNames))
}

if len(tce.ti.Fields) != rs.DataColumns.Count() {
err := fmt.Errorf("[%v] cached columns count[%d] mismatch binglog row [%d]", tce.ti.Name, len(tce.ti.Fields), rs.DataColumns.Count())
return sqltypes.Value{}, nil, err
}

for c := 0; c < rs.DataColumns.Count(); c++ {
if !rs.DataColumns.Bit(c) {
continue
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2 changes: 1 addition & 1 deletion go/vt/vttablet/tabletserver/tabletenv/config.go
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Expand Up @@ -108,7 +108,7 @@ func init() {
flag.StringVar(&currentConfig.TableACLExemptACL, "queryserver-config-acl-exempt-acl", defaultConfig.TableACLExemptACL, "an acl that exempt from table acl checking (this acl is free to access any vitess tables).")
flag.BoolVar(&currentConfig.TerseErrors, "queryserver-config-terse-errors", defaultConfig.TerseErrors, "prevent bind vars from escaping in returned errors")
flag.StringVar(&deprecatedPoolNamePrefix, "pool-name-prefix", "", "Deprecated")
flag.BoolVar(&currentConfig.WatchReplication, "watch_replication_stream", false, "When enabled, vttablet will stream the MySQL replication stream from the local server, and use it to support the include_event_token ExecuteOptions.")
flag.BoolVar(&currentConfig.WatchReplication, "watch_replication_stream", false, "When enabled, vttablet will stream the MySQL replication stream from the local server, and use it to update schema when it sees a DDL.")
flag.BoolVar(&currentConfig.TrackSchemaVersions, "track_schema_versions", true, "When enabled, vttablet will store versions of schemas at each position that a DDL is applied and allow retrieval of the schema corresponding to a position")
flag.BoolVar(&deprecatedAutocommit, "enable-autocommit", true, "This flag is deprecated. Autocommit is always allowed.")
flag.BoolVar(&currentConfig.TwoPCEnable, "twopc_enable", defaultConfig.TwoPCEnable, "if the flag is on, 2pc is enabled. Other 2pc flags must be supplied.")
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