fix db again part 2

prepdb.sh

@@ -10,11 +10,14 @@ replace_in_sqlite_db() {
         return 1
     fi
 
-    echo "Starting brute-force replacement of '$OLD_STRING' with '$NEW_STRING' in '$DB_PATH'..."
+    echo "Starting safe replacement of '$OLD_STRING' with '$NEW_STRING' in '$DB_PATH'..."
 
     # Escape single quotes for SQL
-    local OLD_STRING_ESC=$(echo "$OLD_STRING" | sed "s/'/''/g")
-    local NEW_STRING_ESC=$(echo "$NEW_STRING" | sed "s/'/''/g")
+    local OLD_STRING_ESC=$(printf "%s" "$OLD_STRING" | sed "s/'/''/g")
+    local NEW_STRING_ESC=$(printf "%s" "$NEW_STRING" | sed "s/'/''/g")
+
+    # Begin a transaction for safety
+    sqlite3 "$DB_PATH" "BEGIN TRANSACTION;"
 
     # Get a list of all tables in the database
     local TABLES
@@ -24,31 +27,38 @@ replace_in_sqlite_db() {
     for TABLE in $TABLES; do
         echo "Processing table: $TABLE"
 
-        # Get a list of all columns in the table
-        local COLUMNS
-        COLUMNS=$(sqlite3 "$DB_PATH" "PRAGMA table_info($TABLE);" | awk -F'|' '{print $2}' | grep -v '^$')
-
-        # Loop through each column
-        for COLUMN in $COLUMNS; do
+        # Get a list of all non-BLOB columns in the table
+        sqlite3 "$DB_PATH" "PRAGMA table_info($TABLE);" | awk -F'|' '
+        {
+            if ($3 != "BLOB") {
+                print $2
+            }
+        }' | while read -r COLUMN; do
+            # Skip empty lines
+            if [ -n "$COLUMN" ]; then
                 echo "  Processing column: $COLUMN"
 
-            # Update every cell in the column, casting to TEXT to force string replacement
+                # Update only rows where the column contains OLD_STRING
                 sqlite3 "$DB_PATH" "
                 UPDATE $TABLE
                 SET $COLUMN = replace(CAST($COLUMN AS TEXT), '$OLD_STRING_ESC', '$NEW_STRING_ESC')
                 WHERE CAST($COLUMN AS TEXT) LIKE '%$OLD_STRING_ESC%';
                 "
+            fi
         done
     done
 
-    echo "replacement of '$OLD_STRING' with '$NEW_STRING' completed in '$DB_PATH'."
+    # Commit the transaction
+    sqlite3 "$DB_PATH" "COMMIT;"
+
+    echo "Safe replacement completed in '$DB_PATH'."
 }
 
 #set script directory
 scriptdir="$(dirname "$(realpath "$0")")"
 
 #example usage: replace_in_sqlite_db "database.sqlite" "Europe/Amsterdam" "UTC"
-
+cp $scriptdir/stacks/npm/data/database-rep.sqlit $scriptdir/stacks/npm/data/databse.sqlite
 replace_in_sqlite_db "$scriptdir/stacks/npm/data/database.sqlite" "sdgserver.online" "?domain?"
 replace_in_sqlite_db "$scriptdir/stacks/npm/data/database.sqlite" "192.168.2.132" "?localip?"
 replace_in_sqlite_db "$scriptdir/stacks/npm/data/database.sqlite" "z5fGWz2i0q" "?adminpass?"