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[#6309] fixed fields extraction for view query with multi-level comments

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This commit is contained in:
Gani Georgiev
2025-01-18 12:11:36 +02:00
parent 2317695011
commit b8ea953059
2 changed files with 22 additions and 10 deletions
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16
core/view.go
View File

@@ -437,9 +437,11 @@ func getQueryTableInfo(app App, selectQuery string) ([]*TableInfoRow, error) {
// Raw query identifiers parser
// -------------------------------------------------------------------
var joinReplaceRegex = regexp.MustCompile(`(?im)\s+(full\s+outer\s+join|left\s+outer\s+join|right\s+outer\s+join|full\s+join|cross\s+join|inner\s+join|outer\s+join|left\s+join|right\s+join|join)\s+?`)
var discardReplaceRegex = regexp.MustCompile(`(?im)\s+(where|group\s+by|having|order|limit|with)\s+?`)
var commentsReplaceRegex = regexp.MustCompile(`(?m)(\/\*[\s\S]+\*\/)|(--.+$)`)
var (
joinReplaceRegex = regexp.MustCompile(`(?im)\s+(full\s+outer\s+join|left\s+outer\s+join|right\s+outer\s+join|full\s+join|cross\s+join|inner\s+join|outer\s+join|left\s+join|right\s+join|join)\s+?`)
discardReplaceRegex = regexp.MustCompile(`(?im)\s+(where|group\s+by|having|order|limit|with)\s+?`)
commentsReplaceRegex = regexp.MustCompile(`(?m)(\/\*[\s\S]+\*\/)|(--.+$)`)
)
type identifier struct {
original string
@@ -453,9 +455,9 @@ type identifiersParser struct {
func (p *identifiersParser) parse(selectQuery string) error {
str := strings.Trim(strings.TrimSpace(selectQuery), ";")
str = joinReplaceRegex.ReplaceAllString(str, " _join_ ")
str = discardReplaceRegex.ReplaceAllString(str, " _discard_ ")
str = commentsReplaceRegex.ReplaceAllString(str, "")
str = joinReplaceRegex.ReplaceAllString(str, " __pb_join__ ")
str = discardReplaceRegex.ReplaceAllString(str, " __pb_discard__ ")
tk := tokenizer.NewFromString(str)
tk.Separators(',', ' ', '\n', '\t')
@@ -490,7 +492,7 @@ func (p *identifiersParser) parse(selectQuery string) error {
skip = false
partType = "from"
activeBuilder = &fromParts
case "_join_":
case "__pb_join__":
skip = false
// the previous part was also a join
@@ -500,7 +502,7 @@ func (p *identifiersParser) parse(selectQuery string) error {
partType = "join"
activeBuilder = &joinParts
case "_discard_":
case "__pb_discard__":
// skip following tokens
skip = true
default: