internal/postgres: remove uses of modules.deprecated_comment

The deprecated_column in the modules table has been superseded by the
information in the latest_module_versions table.

For golang/go#43265

Change-Id: Ib53e0b295a3edf8e807ff825b36baa6701b927b1
Reviewed-on: https://go-review.googlesource.com/c/pkgsite/+/309610
Trust: Jonathan Amsterdam <jba@google.com>
Run-TryBot: Jonathan Amsterdam <jba@google.com>
TryBot-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Julie Qiu <julie@golang.org>

internal/postgres/details.go

@@ -31,7 +31,6 @@ func (db *DB) GetNestedModules(ctx context.Context, modulePath string) (_ []*int
 			m.commit_time,
 			m.redistributable,
 			m.has_go_mod,
-			m.deprecated_comment,
 			m.source_info
 		FROM
 			modules m
@@ -139,7 +138,6 @@ func (db *DB) GetModuleInfo(ctx context.Context, modulePath, resolvedVersion str
 			commit_time,
 			redistributable,
 			has_go_mod,
-			deprecated_comment,
 			source_info
 		FROM
 			modules
@@ -193,18 +191,11 @@ func (s jsonbScanner) Scan(value interface{}) (err error) {
 
 // scanModuleInfo constructs an *internal.ModuleInfo from the given scanner.
 func scanModuleInfo(scan func(dest ...interface{}) error) (*internal.ModuleInfo, error) {
-	var (
-		mi         internal.ModuleInfo
-		depComment *string
-	)
+	var mi internal.ModuleInfo
 	if err := scan(&mi.ModulePath, &mi.Version, &mi.CommitTime,
-		&mi.IsRedistributable, &mi.HasGoMod, &depComment, jsonbScanner{&mi.SourceInfo}); err != nil {
+		&mi.IsRedistributable, &mi.HasGoMod, jsonbScanner{&mi.SourceInfo}); err != nil {
 		return nil, err
 	}
-	if depComment != nil {
-		mi.Deprecated = true
-		mi.DeprecationComment = *depComment
-	}
 	return &mi, nil
 }
 

internal/postgres/insert_module.go

@@ -222,13 +222,7 @@ func insertModule(ctx context.Context, db *database.DB, m *internal.Module) (_ i
 	if err != nil {
 		return 0, err
 	}
-	var (
-		moduleID   int
-		depComment *string
-	)
-	if m.Deprecated {
-		depComment = &m.DeprecationComment
-	}
+	var moduleID int
 	err = db.QueryRow(ctx,
 		`INSERT INTO modules(
 			module_path,
@@ -240,9 +234,8 @@ func insertModule(ctx context.Context, db *database.DB, m *internal.Module) (_ i
 			source_info,
 			redistributable,
 			has_go_mod,
-			deprecated_comment,
 			incompatible)
-		VALUES($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11)
+		VALUES($1,$2,$3,$4,$5,$6,$7,$8,$9,$10)
 		ON CONFLICT
 			(module_path, version)
 		DO UPDATE SET
@@ -258,7 +251,6 @@ func insertModule(ctx context.Context, db *database.DB, m *internal.Module) (_ i
 		sourceInfoJSON,
 		m.IsRedistributable,
 		m.HasGoMod,
-		depComment,
 		version.IsIncompatible(m.Version),
 	).Scan(&moduleID)
 	if err != nil {

internal/postgres/version.go

@@ -55,7 +55,6 @@ func getPathVersions(ctx context.Context, db *DB, path string, versionTypes ...v
 		m.commit_time,
 		m.redistributable,
 		m.has_go_mod,
-		m.deprecated_comment,
 		m.source_info
 	FROM modules m
 	INNER JOIN units u