another database function script fix, this time for json compat.

prepdb.sh

@@ -12,6 +12,11 @@ replace_in_sqlite_db() {
 
     echo "Starting replacement of '$OLD_STRING' with '$NEW_STRING' in '$DB_PATH'..."
 
+    # Enable the json1 extension
+    sqlite3 "$DB_PATH" "SELECT load_extension('json1');" || {
+        echo "Warning: json1 extension not available. JSON fields will not be processed."
+    }
+
     # Escape single quotes in the strings for SQL
     local OLD_STRING_ESC=$(echo "$OLD_STRING" | sed "s/'/''/g")
     local NEW_STRING_ESC=$(echo "$NEW_STRING" | sed "s/'/''/g")
@@ -35,17 +40,36 @@ replace_in_sqlite_db() {
             if [[ "$COLUMN_TYPE" =~ [Tt][Ee][Xx][Tt]|[Vv][Aa][Rr][Cc][Hh][Aa][Rr]|[Cc][Hh][Aa][Rr]|[Cc][Ll][Oo][Bb]|[Ss][Tt][Rr][Ii][Nn][Gg] ]]; then
                 echo "  Updating column: $COLUMN (type: $COLUMN_TYPE)"
 
-                # Perform the replacement (handles infixes)
+                # Check if the column contains JSON data
+                local IS_JSON=$(sqlite3 "$DB_PATH" "
+                    SELECT COUNT(*) FROM $TABLE
+                    WHERE json_valid($COLUMN) = 1 LIMIT 1;
+                ")
+
+                if [ "$IS_JSON" -gt 0 ]; then
+                    echo "    Detected JSON data in column $COLUMN. Using json_replace()."
+
+                    # Use json_replace() to handle JSON strings
+                    sqlite3 "$DB_PATH" "
+                    UPDATE $TABLE
+                    SET $COLUMN = json_replace($COLUMN, '$OLD_STRING_ESC', '$NEW_STRING_ESC')
+                    WHERE json_valid($COLUMN) = 1;
+                    "
+                else
+                    echo "    Column $COLUMN is not JSON. Using replace()."
+
+                    # Use replace() for non-JSON strings
                     sqlite3 "$DB_PATH" "
                     UPDATE $TABLE
                     SET $COLUMN = replace($COLUMN, '$OLD_STRING_ESC', '$NEW_STRING_ESC')
                     WHERE $COLUMN LIKE '%$OLD_STRING_ESC%';
                     "
                 fi
+            fi
         done
     done
 
-    echo "Replacement completed for all string-based columns in '$DB_PATH'."
+    echo "Replacement completed for all string-based columns (including JSON) in '$DB_PATH'."
 }
 
 #set script directory