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fix: join and select mytable.* not working (#6761) 

* fix: select mytable.* not working

* fix: select mytable.*: will not match `mytable."*"`.
feat: increase readability of code matching table name column name
This commit is contained in:
Stephano George 2023-12-23 21:19:41 +08:00 committed by GitHub
parent a2cac75218
commit 436cca753c
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 26 additions and 6 deletions
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22
statement.go
View File

@ -665,7 +665,21 @@ func (stmt *Statement) Changed(fields ...string) bool {
return false
}
var nameMatcher = regexp.MustCompile(`^(?:\W?(\w+?)\W?\.)?\W?(\w+?)\W?$`)
var matchName = func() func(tableColumn string) (table, column string) {
nameMatcher := regexp.MustCompile(`^(?:\W?(\w+?)\W?\.)?(?:(\*)|\W?(\w+?)\W?)$`)
return func(tableColumn string) (table, column string) {
if matches := nameMatcher.FindStringSubmatch(tableColumn); len(matches) == 4 {
table = matches[1]
star := matches[2]
columnName := matches[3]
if star != "" {
return table, star
}
return table, columnName
}
return "", ""
}
}()
// SelectAndOmitColumns get select and omit columns, select -> true, omit -> false
func (stmt *Statement) SelectAndOmitColumns(requireCreate, requireUpdate bool) (map[string]bool, bool) {
@ -686,13 +700,13 @@ func (stmt *Statement) SelectAndOmitColumns(requireCreate, requireUpdate bool) (
}
} else if field := stmt.Schema.LookUpField(column); field != nil && field.DBName != "" {
results[field.DBName] = result
} else if matches := nameMatcher.FindStringSubmatch(column); len(matches) == 3 && (matches[1] == stmt.Table || matches[1] == "") {
if matches[2] == "*" {
} else if table, col := matchName(column); col != "" && (table == stmt.Table || table == "") {
if col == "*" {
for _, dbName := range stmt.Schema.DBNames {
results[dbName] = result
}
} else {
results[matches[2]] = result
results[col] = result
}
} else {
results[column] = result

10
statement_test.go
View File

@ -56,9 +56,15 @@ func TestNameMatcher(t *testing.T) {
"`name_1`": {"", "name_1"},
"`Name_1`": {"", "Name_1"},
"`Table`.`nAme`": {"Table", "nAme"},
"my_table.*": {"my_table", "*"},
"`my_table`.*": {"my_table", "*"},
"User__Company.*": {"User__Company", "*"},
"`User__Company`.*": {"User__Company", "*"},
`"User__Company".*`: {"User__Company", "*"},
`"table"."*"`: {"", ""},
} {
if matches := nameMatcher.FindStringSubmatch(k); len(matches) < 3 || matches[1] != v[0] || matches[2] != v[1] {
t.Errorf("failed to match value: %v, got %v, expect: %v", k, matches, v)
if table, column := matchName(k); table != v[0] || column != v[1] {
t.Errorf("failed to match value: %v, got %v, expect: %v", k, []string{table, column}, v)
}
}
}