Fix syntax error when getting field comments in migration with special DB name

iTanken · iTanken · commit 2f7e8fccda83 · 2025-05-27T10:18:29.000+08:00
Refs: dd0e76a, gorm/sqlserver#151
diff --git a/migrator.go b/migrator.go
@@ -279,7 +279,7 @@ func (m Migrator) GetColumnComment(stmt *gorm.Statement, fieldDBName string) (co
 	if m.DB.DryRun {
 		queryTx.DryRun = false
 	}
-	queryTx.Raw("SELECT value FROM ?.sys.fn_listextendedproperty('MS_Description', 'SCHEMA', ?, 'TABLE', ?, 'COLUMN', ?)",
+	queryTx.Raw("SELECT value FROM [?].sys.fn_listextendedproperty('MS_Description', 'SCHEMA', ?, 'TABLE', ?, 'COLUMN', ?)",
 		gorm.Expr(m.CurrentDatabase()), m.getTableSchemaName(stmt.Schema), stmt.Table, fieldDBName).Scan(&comment)
 	return
 }

Original file line number	Diff line number	Diff line change
`@@ -279,7 +279,7 @@ func (m Migrator) GetColumnComment(stmt *gorm.Statement, fieldDBName string) (co`
`279`	`279`	`if m.DB.DryRun {`
`280`	`280`	`queryTx.DryRun = false`
`281`	`281`	`}`
`282`		`- queryTx.Raw("SELECT value FROM ?.sys.fn_listextendedproperty('MS_Description', 'SCHEMA', ?, 'TABLE', ?, 'COLUMN', ?)",`
	`282`	`+ queryTx.Raw("SELECT value FROM [?].sys.fn_listextendedproperty('MS_Description', 'SCHEMA', ?, 'TABLE', ?, 'COLUMN', ?)",`
`283`	`283`	`gorm.Expr(m.CurrentDatabase()), m.getTableSchemaName(stmt.Schema), stmt.Table, fieldDBName).Scan(&comment)`
`284`	`284`	`return`
`285`	`285`	`}`