Added IF EXISTS clauses to drop statements

joncrlsn · joncrlsn · commit 52fa75e73cf1 · 2014-09-08T23:12:25.000-05:00
diff --git a/foreignkey.go b/foreignkey.go
@@ -43,7 +43,7 @@ func (c ForeignKeySchema) Add() {
 
 // Return SQL to drop the table
 func (c ForeignKeySchema) Drop() {
-    fmt.Printf("ALTER TABLE %s DROP CONSTRAINT %s;\n", c.row["table_name"], c.row["constraint_name"])
+    fmt.Printf("ALTER TABLE %s DROP CONSTRAINT IF EXISTS %s;\n", c.row["table_name"], c.row["constraint_name"])
 }
 
 // Handle the case where the table and column match, but the details do not
diff --git a/table.go b/table.go
@@ -38,7 +38,7 @@ func (c TableSchema) Add() {
 
 // Return SQL to drop the table
 func (c TableSchema) Drop() {
-    fmt.Printf("DROP TABLE %s;\n", c.row["table_name"])
+    fmt.Printf("DROP TABLE IF EXISTS %s;\n", c.row["table_name"])
 }
 
 // Handle the case where the table and column match, but the details do not

Original file line number	Diff line number	Diff line change
`@@ -43,7 +43,7 @@ func (c ForeignKeySchema) Add() {`
`43`	`43`
`44`	`44`	`// Return SQL to drop the table`
`45`	`45`	`func (c ForeignKeySchema) Drop() {`
`46`		`- fmt.Printf("ALTER TABLE %s DROP CONSTRAINT %s;\n", c.row["table_name"], c.row["constraint_name"])`
	`46`	`+ fmt.Printf("ALTER TABLE %s DROP CONSTRAINT IF EXISTS %s;\n", c.row["table_name"], c.row["constraint_name"])`
`47`	`47`	`}`
`48`	`48`
`49`	`49`	`// Handle the case where the table and column match, but the details do not`
Original file line number	Diff line number	Diff line change
`@@ -38,7 +38,7 @@ func (c TableSchema) Add() {`
`38`	`38`
`39`	`39`	`// Return SQL to drop the table`
`40`	`40`	`func (c TableSchema) Drop() {`
`41`		`- fmt.Printf("DROP TABLE %s;\n", c.row["table_name"])`
	`41`	`+ fmt.Printf("DROP TABLE IF EXISTS %s;\n", c.row["table_name"])`
`42`	`42`	`}`
`43`	`43`
`44`	`44`	`// Handle the case where the table and column match, but the details do not`