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Merged
merged 4 commits into from
Jul 6, 2022
Merged

Ensure mysql rows responses are closed #1132

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0e6e794
Ensure mysql rows responses are closed
timvaillancourt May 31, 2022
fa4ae75
Merge branch 'master' into golangci-lint-sql-linters
Jul 6, 2022
3e1885c
Merge branch 'master' into golangci-lint-sql-linters
timvaillancourt Jul 6, 2022
67308b1
Merge branch 'master' into golangci-lint-sql-linters
timvaillancourt Jul 6, 2022
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2 changes: 2 additions & 0 deletions .golangci.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -9,4 +9,6 @@ linters:
enable:
- gosimple
- govet
- rowserrcheck
- sqlclosecheck
- unused
15 changes: 11 additions & 4 deletions go/logic/applier.go
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Original file line number Diff line number Diff line change
Expand Up @@ -382,10 +382,13 @@ func (this *Applier) ReadMigrationMinValues(uniqueKey *sql.UniqueKey) error {
if err != nil {
return err
}

rows, err := this.db.Query(query)
if err != nil {
return err
}
defer rows.Close()

for rows.Next() {
this.migrationContext.MigrationRangeMinValues = sql.NewColumnValues(uniqueKey.Len())
if err = rows.Scan(this.migrationContext.MigrationRangeMinValues.ValuesPointers...); err != nil {
Expand All @@ -394,8 +397,7 @@ func (this *Applier) ReadMigrationMinValues(uniqueKey *sql.UniqueKey) error {
}
this.migrationContext.Log.Infof("Migration min values: [%s]", this.migrationContext.MigrationRangeMinValues)

err = rows.Err()
return err
return rows.Err()
}

// ReadMigrationMaxValues returns the maximum values to be iterated on rowcopy
Expand All @@ -405,10 +407,13 @@ func (this *Applier) ReadMigrationMaxValues(uniqueKey *sql.UniqueKey) error {
if err != nil {
return err
}

rows, err := this.db.Query(query)
if err != nil {
return err
}
defer rows.Close()

for rows.Next() {
this.migrationContext.MigrationRangeMaxValues = sql.NewColumnValues(uniqueKey.Len())
if err = rows.Scan(this.migrationContext.MigrationRangeMaxValues.ValuesPointers...); err != nil {
Expand All @@ -417,8 +422,7 @@ func (this *Applier) ReadMigrationMaxValues(uniqueKey *sql.UniqueKey) error {
}
this.migrationContext.Log.Infof("Migration max values: [%s]", this.migrationContext.MigrationRangeMaxValues)

err = rows.Err()
return err
return rows.Err()
}

// ReadMigrationRangeValues reads min/max values that will be used for rowcopy
Expand Down Expand Up @@ -459,10 +463,13 @@ func (this *Applier) CalculateNextIterationRangeEndValues() (hasFurtherRange boo
if err != nil {
return hasFurtherRange, err
}

rows, err := this.db.Query(query, explodedArgs...)
if err != nil {
return hasFurtherRange, err
}
defer rows.Close()

iterationRangeMaxValues := sql.NewColumnValues(this.migrationContext.UniqueKey.Len())
for rows.Next() {
if err = rows.Scan(iterationRangeMaxValues.ValuesPointers...); err != nil {
Expand Down