add database-aware MySQL pooling

scripts/compile_wasm_unit

@@ -11,7 +11,7 @@ PP_FN="$4"
 WASM_FN="$5"
 
 SDK=${WASI_SDK:-/opt/wasi-sdk}
-ABI_VERSION=${UCE_UNIT_ABI_VERSION:-6}
+ABI_VERSION=${UCE_UNIT_ABI_VERSION:-7}
 ROOT=$(pwd)
 OBJ_FN="$DEST_DIR/$PP_FN.wasm.o"
 ABI_TMP="$DEST_DIR/$PP_FN.uce-abi.txt"