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handle JSON sql columns

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This commit is contained in:
Hein
2025-11-20 12:04:19 +02:00
parent 3d5334002d
commit 07b09e2025
4 changed files with 176 additions and 8 deletions
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23
pkg/common/validation.go
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@@ -92,9 +92,27 @@ func (v *ColumnValidator) getColumnName(field reflect.StructField) string {
return strings.ToLower(field.Name)
}
// extractSourceColumn extracts the base column name from PostgreSQL JSON operators
// Examples:
// - "columna->>'val'" returns "columna"
// - "columna->'key'" returns "columna"
// - "columna" returns "columna"
// - "table.columna->>'val'" returns "table.columna"
func extractSourceColumn(colName string) string {
// Check for PostgreSQL JSON operators: -> and ->>
if idx := strings.Index(colName, "->>"); idx != -1 {
return strings.TrimSpace(colName[:idx])
}
if idx := strings.Index(colName, "->"); idx != -1 {
return strings.TrimSpace(colName[:idx])
}
return colName
}
// ValidateColumn validates a single column name
// Returns nil if valid, error if invalid
// Columns prefixed with "cql" (case insensitive) are always valid
// Handles PostgreSQL JSON operators (-> and ->>)
func (v *ColumnValidator) ValidateColumn(column string) error {
// Allow empty columns
if column == "" {
@@ -106,8 +124,11 @@ func (v *ColumnValidator) ValidateColumn(column string) error {
return nil
}
// Extract source column name (remove JSON operators like ->> or ->)
sourceColumn := extractSourceColumn(column)
// Check if column exists in model
if _, exists := v.validColumns[strings.ToLower(column)]; !exists {
if _, exists := v.validColumns[strings.ToLower(sourceColumn)]; !exists {
return fmt.Errorf("invalid column '%s': column does not exist in model", column)
}