update hanatool, escape sql queries

hanatool.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Version: 1.4.3
+# Version: 1.4.4
 # ==============================================================================
 # SAP HANA Schema and Tenant Management Tool (hanatool.sh)
 #
@@ -241,7 +241,7 @@ case "$ACTION" in
             mkdir -p "$EXPORT_DIR"
         fi
         
-        QUERY="EXPORT \"${SCHEMA_NAME}\".\"*\" AS BINARY INTO '${EXPORT_DIR}' WITH REPLACE THREADS ${THREADS};"
+        QUERY="EXPORT \\"${SCHEMA_NAME}\\"\\".\\"*\\" AS BINARY INTO '${EXPORT_DIR}' WITH REPLACE THREADS ${THREADS};"
         
         EXIT_CODE=0
         if [[ "$DRY_RUN" == "true" ]]; then
@@ -355,7 +355,7 @@ case "$ACTION" in
             QUERY_RENAME_PART="WITH RENAME SCHEMA \"${SCHEMA_NAME}\" TO \"${NEW_SCHEMA_NAME}\""
         fi
 
-        QUERY="IMPORT \"${SCHEMA_NAME}\".\"*\" AS BINARY FROM '${IMPORT_DIR}' ${QUERY_RENAME_PART} WITH IGNORE EXISTING THREADS ${THREADS};"
+        QUERY="IMPORT \\"${SCHEMA_NAME}\\"\\".\\"*\\" AS BINARY FROM '${IMPORT_DIR}' ${QUERY_RENAME_PART} WITH IGNORE EXISTING THREADS ${THREADS};"
 
         EXIT_CODE=0
         if [[ "$DRY_RUN" == "true" ]]; then