Added a check to report an error when the DB is not reporting an error in DML RETURNING statements.

Author: Christopher Jones

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 ## node-oracledb v1.2.0 (DD Mon YYYY)
 
+- Added a check to return an NJS error when an invalid DML RETURN statement
+  does not give an ORA error.
+
 - Added support for RAW data type.
 
 - Fixed intermittent crash while setting `fetchAsString`, and incorrect output while reading the value.

src/njs/src/njsConnection.cpp

@@ -931,6 +931,20 @@ void Connection::Async_Execute (uv_work_t *req)
       executeBaton->dpistmt->execute(1, executeBaton->autoCommit);
       executeBaton->rowsAffected = executeBaton->dpistmt->rowsAffected();
 
+      // Check whether indicators were allocated as part of callback
+      if ( executeBaton->stmtIsReturning )
+      {
+        for ( unsigned int b = 0; b < executeBaton->binds.size (); b++ )
+        {
+          if ( executeBaton->binds[b]->isOut && !executeBaton->binds[b]->ind)
+          {
+            executeBaton->error = NJSMessages::getErrorMsg (
+                                                  errSQLSyntaxError );
+            return;
+          }
+        }
+      }
+
       /* Check to see if the string buffer size is good in case of
        * DML Returning.
        */

src/njs/src/njsMessages.cpp

@@ -60,6 +60,7 @@ static const char *errMsg[] =
   "NJS-024: memory allocation failed",
   "NJS-025: overflow when calculating results area size",
   "NJS-026: maxRows must be greater than zero",
+  "NJS-027: unexpected SQL parsing error",
   "NJS-027: raw database type is not supported with DML Returning statements",
 };
 

src/njs/src/njsMessages.h

@@ -59,6 +59,7 @@ typedef enum
   errInsufficientMemory,
   errResultsTooLarge,
   errInvalidmaxRows,
+  errSQLSyntaxError,
   errBufferReturningInvalid,
 
   // New ones should be added here