Fix get column default value for null column

jinzhu · jinzhu · commit 7f4b4982c9b6 · 2023-01-01T21:55:56.000+08:00
diff --git a/ddlmod.go b/ddlmod.go
@@ -134,7 +134,9 @@ func parseDDL(strs ...string) (*ddl, error) {
 						columnType.PrimaryKeyValue = sql.NullBool{Bool: true, Valid: true}
 					}
 					if defaultMatches := defaultValueRegexp.FindStringSubmatch(matches[3]); len(defaultMatches) > 1 {
-						columnType.DefaultValueValue = sql.NullString{String: strings.Trim(defaultMatches[1], `"`), Valid: true}
+						if strings.ToLower(defaultMatches[1]) != "null" {
+							columnType.DefaultValueValue = sql.NullString{String: strings.Trim(defaultMatches[1], `"`), Valid: true}
+						}
 					}
 
 					// data type length

Original file line number	Diff line number	Diff line change
`@@ -134,7 +134,9 @@ func parseDDL(strs ...string) (*ddl, error) {`
`134`	`134`	`columnType.PrimaryKeyValue = sql.NullBool{Bool: true, Valid: true}`
`135`	`135`	`}`
`136`	`136`	`if defaultMatches := defaultValueRegexp.FindStringSubmatch(matches[3]); len(defaultMatches) > 1 {`
`137`		- columnType.DefaultValueValue = sql.NullString{String: strings.Trim(defaultMatches[1], `"`), Valid: true}
	`137`	`+ if strings.ToLower(defaultMatches[1]) != "null" {`
	`138`	+ columnType.DefaultValueValue = sql.NullString{String: strings.Trim(defaultMatches[1], `"`), Valid: true}
	`139`	`+ }`
`138`	`140`	`}`
`139`	`141`
`140`	`142`	`// data type length`