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fix parse unique index (#138)

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This commit is contained in:
black-06
2023-04-11 11:22:16 +08:00
committed by GitHub
parent 502ed63881
commit 07da3b307c
2 changed files with 40 additions and 14 deletions
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32
ddlmod.go
View File

@@ -16,12 +16,23 @@ var (
indexRegexp = regexp.MustCompile(fmt.Sprintf("(?is)CREATE(?: UNIQUE)? INDEX [%v]?[\\w\\d-]+[%v]? ON (.*)$", sqliteSeparator, sqliteSeparator))
tableRegexp = regexp.MustCompile(fmt.Sprintf("(?is)(CREATE TABLE [%v]?[\\w\\d-]+[%v]?)(?: \\((.*)\\))?", sqliteSeparator, sqliteSeparator))
separatorRegexp = regexp.MustCompile(fmt.Sprintf("[%v]", sqliteSeparator))
columnsRegexp = regexp.MustCompile(fmt.Sprintf("\\([%v]?([\\w\\d]+)[%v]?(?:,[%v]?([\\w\\d]+)[%v]){0,}\\)", sqliteSeparator, sqliteSeparator, sqliteSeparator, sqliteSeparator))
columnsRegexp = regexp.MustCompile(fmt.Sprintf("[(,][%v]?(\\w+)[%v]?", sqliteSeparator, sqliteSeparator))
columnRegexp = regexp.MustCompile(fmt.Sprintf("^[%v]?([\\w\\d]+)[%v]?\\s+([\\w\\(\\)\\d]+)(.*)$", sqliteSeparator, sqliteSeparator))
defaultValueRegexp = regexp.MustCompile("(?i) DEFAULT \\(?(.+)?\\)?( |COLLATE|GENERATED|$)")
regRealDataType = regexp.MustCompile(`[^\d](\d+)[^\d]?`)
)
func getAllColumns(s string) []string {
allMatches := columnsRegexp.FindAllStringSubmatch(s, -1)
columns := make([]string, 0, len(allMatches))
for _, matches := range allMatches {
if len(matches) > 1 {
columns = append(columns, matches[1])
}
}
return columns
}
type ddl struct {
head string
fields []string
@@ -98,15 +109,12 @@ func parseDDL(strs ...string) (*ddl, error) {
}
if strings.HasPrefix(fUpper, "PRIMARY KEY") {
matches := columnsRegexp.FindStringSubmatch(f)
if len(matches) > 1 {
for _, name := range matches[1:] {
for idx, column := range result.columns {
if column.NameValue.String == name {
column.PrimaryKeyValue = sql.NullBool{Bool: true, Valid: true}
result.columns[idx] = column
break
}
for _, name := range getAllColumns(f) {
for idx, column := range result.columns {
if column.NameValue.String == name {
column.PrimaryKeyValue = sql.NullBool{Bool: true, Valid: true}
result.columns[idx] = column
break
}
}
}
@@ -151,9 +159,9 @@ func parseDDL(strs ...string) (*ddl, error) {
}
}
} else if matches := indexRegexp.FindStringSubmatch(str); len(matches) > 0 {
if columns := columnsRegexp.FindStringSubmatch(matches[1]); len(columns) == 1 {
for _, column := range getAllColumns(matches[1]) {
for idx, c := range result.columns {
if c.NameValue.String == columns[0] {
if c.NameValue.String == column {
c.UniqueValue = sql.NullBool{Bool: true, Valid: true}
result.columns[idx] = c
}

22
ddlmod_test.go
View File

@@ -20,7 +20,7 @@ func TestParseDDL(t *testing.T) {
"CREATE UNIQUE INDEX `idx_profiles_refer` ON `profiles`(`text`)",
}, 6, []migrator.ColumnType{
{NameValue: sql.NullString{String: "id", Valid: true}, DataTypeValue: sql.NullString{String: "integer", Valid: true}, ColumnTypeValue: sql.NullString{String: "integer", Valid: true}, PrimaryKeyValue: sql.NullBool{Bool: true, Valid: true}, NullableValue: sql.NullBool{Valid: true}, UniqueValue: sql.NullBool{Valid: true}, DefaultValueValue: sql.NullString{Valid: false}},
{NameValue: sql.NullString{String: "text", Valid: true}, DataTypeValue: sql.NullString{String: "varchar", Valid: true}, LengthValue: sql.NullInt64{Int64: 500, Valid: true}, ColumnTypeValue: sql.NullString{String: "varchar(500)", Valid: true}, DefaultValueValue: sql.NullString{String: "hello", Valid: true}, NullableValue: sql.NullBool{Valid: true}, UniqueValue: sql.NullBool{Valid: true}, PrimaryKeyValue: sql.NullBool{Valid: true}},
{NameValue: sql.NullString{String: "text", Valid: true}, DataTypeValue: sql.NullString{String: "varchar", Valid: true}, LengthValue: sql.NullInt64{Int64: 500, Valid: true}, ColumnTypeValue: sql.NullString{String: "varchar(500)", Valid: true}, DefaultValueValue: sql.NullString{String: "hello", Valid: true}, NullableValue: sql.NullBool{Valid: true}, UniqueValue: sql.NullBool{Bool: true, Valid: true}, PrimaryKeyValue: sql.NullBool{Valid: true}},
{NameValue: sql.NullString{String: "age", Valid: true}, DataTypeValue: sql.NullString{String: "integer", Valid: true}, ColumnTypeValue: sql.NullString{String: "integer", Valid: true}, DefaultValueValue: sql.NullString{String: "18", Valid: true}, NullableValue: sql.NullBool{Valid: true}, UniqueValue: sql.NullBool{Valid: true}, PrimaryKeyValue: sql.NullBool{Valid: true}},
{NameValue: sql.NullString{String: "user_id", Valid: true}, DataTypeValue: sql.NullString{String: "integer", Valid: true}, ColumnTypeValue: sql.NullString{String: "integer", Valid: true}, DefaultValueValue: sql.NullString{Valid: false}, NullableValue: sql.NullBool{Valid: true}, UniqueValue: sql.NullBool{Valid: true}, PrimaryKeyValue: sql.NullBool{Valid: true}},
},
@@ -56,11 +56,29 @@ func TestParseDDL(t *testing.T) {
ColumnTypeValue: sql.NullString{String: "int", Valid: true},
NullableValue: sql.NullBool{Bool: false, Valid: true},
DefaultValueValue: sql.NullString{Valid: false},
UniqueValue: sql.NullBool{Valid: true},
UniqueValue: sql.NullBool{Bool: true, Valid: true},
PrimaryKeyValue: sql.NullBool{Valid: true},
},
},
},
{
"unique index",
[]string{
"CREATE TABLE `test-b` (`field` integer NOT NULL)",
"CREATE UNIQUE INDEX `idx_uq` ON `test-b`(`field`) WHERE field = 0",
},
1,
[]migrator.ColumnType{
{
NameValue: sql.NullString{String: "field", Valid: true},
DataTypeValue: sql.NullString{String: "integer", Valid: true},
ColumnTypeValue: sql.NullString{String: "integer", Valid: true},
PrimaryKeyValue: sql.NullBool{Bool: false, Valid: true},
UniqueValue: sql.NullBool{Bool: true, Valid: true},
NullableValue: sql.NullBool{Bool: false, Valid: true},
},
},
},
}
for _, p := range params {