fix(go.sum): update ResolveSpec dependency to v1.0.87
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+137
@@ -0,0 +1,137 @@
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package reflection
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import (
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"reflect"
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"strings"
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)
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func Len(v any) int {
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val := reflect.ValueOf(v)
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valKind := val.Kind()
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if valKind == reflect.Pointer {
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val = val.Elem()
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}
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switch val.Kind() {
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case reflect.Slice, reflect.Array, reflect.Map, reflect.String, reflect.Chan:
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return val.Len()
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default:
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return 0
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}
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}
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// ExtractTableNameOnly extracts the table name from a fully qualified table reference.
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// It removes any schema prefix (e.g., "schema.table" -> "table") and truncates at
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// the first delimiter (comma, space, tab, or newline). If the input contains multiple
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// dots, it returns everything after the last dot up to the first delimiter.
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func ExtractTableNameOnly(fullName string) string {
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// First, split by dot to remove schema prefix if present
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lastDotIndex := -1
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for i, char := range fullName {
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if char == '.' {
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lastDotIndex = i
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}
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}
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// Start from after the last dot (or from beginning if no dot)
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startIndex := 0
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if lastDotIndex != -1 {
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startIndex = lastDotIndex + 1
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}
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// Now find the end (first delimiter after the table name)
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for i := startIndex; i < len(fullName); i++ {
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char := rune(fullName[i])
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if char == ',' || char == ' ' || char == '\t' || char == '\n' {
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return fullName[startIndex:i]
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}
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}
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return fullName[startIndex:]
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}
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// IsEmptyValue reports whether v is nil, an empty string, or a zero number.
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func IsEmptyValue(v any) bool {
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if v == nil {
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return true
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}
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rv := reflect.ValueOf(v)
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if rv.Kind() == reflect.Pointer {
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if rv.IsNil() {
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return true
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}
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rv = rv.Elem()
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}
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switch rv.Kind() {
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case reflect.String:
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return rv.String() == ""
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
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return rv.Int() == 0
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case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
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return rv.Uint() == 0
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case reflect.Float32, reflect.Float64:
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return rv.Float() == 0
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}
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return false
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}
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// GetPointerElement returns the element type if the provided reflect.Type is a pointer.
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// If the type is a slice of pointers, it returns the element type of the pointer within the slice.
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// If neither condition is met, it returns the original type.
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func GetPointerElement(v reflect.Type) reflect.Type {
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if v.Kind() == reflect.Pointer {
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return v.Elem()
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}
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if v.Kind() == reflect.Slice && v.Elem().Kind() == reflect.Pointer {
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subElem := v.Elem()
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if subElem.Elem().Kind() == reflect.Pointer {
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return subElem.Elem().Elem()
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}
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return v.Elem()
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}
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return v
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}
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// GetJSONNameForField gets the JSON tag name for a struct field.
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// Returns the JSON field name from the json struct tag, or an empty string if not found.
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// Handles the "json" tag format: "name", "name,omitempty", etc.
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func GetJSONNameForField(modelType reflect.Type, fieldName string) string {
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if modelType == nil {
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return ""
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}
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// Unwrap pointer and slice indirections to reach the struct type
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for {
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switch modelType.Kind() {
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case reflect.Pointer, reflect.Slice:
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modelType = modelType.Elem()
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continue
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}
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break
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}
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if modelType.Kind() != reflect.Struct {
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return ""
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}
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// Find the field
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field, found := modelType.FieldByName(fieldName)
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if !found {
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return ""
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}
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// Get the JSON tag
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jsonTag := field.Tag.Get("json")
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if jsonTag == "" {
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return ""
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}
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// Parse the tag (format: "name,omitempty" or just "name")
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parts := strings.Split(jsonTag, ",")
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if len(parts) > 0 && parts[0] != "" && parts[0] != "-" {
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return parts[0]
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}
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return ""
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}
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