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feat: support get prepare context#3

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Merged
chenquan merged 1 commit into from
Sep 11, 2022
Merged

feat: support get prepare context #3

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2 changes: 1 addition & 1 deletion conn.go
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Original file line numberDiff line numberDiff line change
Expand Up@@ -97,7 +97,7 @@ func (c *conn) PrepareContext(ctx context.Context, query string) (s driver.Stmt,
return st, err
}

return &stmt{Stmt: st, StmtHook: c.ConnHook.(StmtHook), query: query}, nil
return &stmt{Stmt: st, StmtHook: c.ConnHook.(StmtHook), query: query, prepareContext: ctx}, nil
}

func (c *conn) BeginTx(ctx context.Context, opts driver.TxOptions) (dd driver.Tx, err error) {
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8 changes: 8 additions & 0 deletions stmt.go
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Original file line numberDiff line numberDiff line change
Expand Up@@ -11,14 +11,22 @@ var (
_ driver.StmtQueryContext = (*stmt)(nil)
)

type prepareContextKey struct{}

func PrepareContextFromContext(ctx context.Context) context.Context {
return ctx.Value(prepareContextKey{}).(context.Context)
}

type stmt struct {
driver.Stmt
query string
StmtHook
prepareContext context.Context
}

func (s *stmt) QueryContext(ctx context.Context, args []driver.NamedValue) (rows driver.Rows, err error) {
query := s.query
ctx = context.WithValue(ctx, prepareContextKey{}, s.prepareContext)
ctx, args, err = s.BeforeStmtQueryContext(ctx, query, args, nil)
defer func() {
_, rows, err = s.AfterStmtQueryContext(ctx, query, args, rows, err)
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