Fixed db_assembler DB path variable expanding

+ code indentation

bin/db_assembler/db_assembler.sh

@@ -27,22 +27,25 @@ fi
 
 function assemble() {
     # to lowercase
-    database=$1
+    database=${1,,}
     start_sql=$2
     with_base=$3
     with_updates=$4
     with_custom=$5
 
-    var_base="DB_"$database"_PATHS"
-    base=${!var_base}
+    uc=${database^^}
 
-    var_updates="DB_"$database"_UPDATE_PATHS"
-    updates=${!var_updates}
+    name="DB_"$uc"_PATHS"
+    v="$name[@]"
+    base=("${!v}")
 
-    var_custom="DB_"$database"_CUSTOM_PATHS"
-    custom=${!var_custom}
+    name="DB_"$uc"_UPDATE_PATHS"
+    v="$name[@]"
+    updates=("${!v}")
 
-    echo $updates
+    name='DB_'$uc'_CUSTOM_PATHS'
+    v="$name[@]"
+    custom=("${!v}")
 
 
     suffix_base="_base"