sqlops: exported sql_result_get() to kemi

- return value of sql query result by id, row and column

src/modules/sqlops/sqlops.c

@@ -531,6 +531,56 @@ static int ki_sqlops_is_null(sip_msg_t *msg, str *sres, int i, int j)
 	return sqlops_is_null(sres, i, j);
 }
 
+/**
+ *
+ */
+static sr_kemi_xval_t _ksr_kemi_sqlops_xval = {0};
+
+
+/**
+ *
+ */
+static sr_kemi_xval_t* ki_sqlops_result_get(sip_msg_t *msg, str *resid, int row, int col)
+{
+	sql_result_t *res = NULL;
+
+	memset(&_ksr_kemi_sqlops_xval, 0, sizeof(sr_kemi_xval_t));
+
+	if (resid == NULL || resid->s == NULL || resid->len == 0) {
+		LM_ERR("invalid result name\n");
+		sr_kemi_xval_null(&_ksr_kemi_sqlops_xval, SR_KEMI_XVAL_NULL_NONE);
+		return &_ksr_kemi_sqlops_xval;
+	}
+
+	res = sql_get_result(resid);
+	if(res==NULL) {
+		LM_ERR("invalid result container [%.*s]\n", resid->len, resid->s);
+		sr_kemi_xval_null(&_ksr_kemi_sqlops_xval, SR_KEMI_XVAL_NULL_NONE);
+		return &_ksr_kemi_sqlops_xval;
+	}
+
+	if(row >= res->nrows) {
+		sr_kemi_xval_null(&_ksr_kemi_sqlops_xval, SR_KEMI_XVAL_NULL_NONE);
+		return &_ksr_kemi_sqlops_xval;
+	}
+	if(col >= res->ncols) {
+		sr_kemi_xval_null(&_ksr_kemi_sqlops_xval, SR_KEMI_XVAL_NULL_NONE);
+		return &_ksr_kemi_sqlops_xval;
+	}
+	if(res->vals[row][col].flags&PV_VAL_NULL) {
+		sr_kemi_xval_null(&_ksr_kemi_sqlops_xval, SR_KEMI_XVAL_NULL_NONE);
+		return &_ksr_kemi_sqlops_xval;
+	}
+	if(res->vals[row][col].flags&PV_VAL_INT) {
+		_ksr_kemi_sqlops_xval.vtype = SR_KEMIP_STR;
+		_ksr_kemi_sqlops_xval.v.n = res->vals[row][col].value.n;
+		return &_ksr_kemi_sqlops_xval;
+	}
+	_ksr_kemi_sqlops_xval.vtype = SR_KEMIP_STR;
+	_ksr_kemi_sqlops_xval.v.s = res->vals[row][col].value.s;
+	return &_ksr_kemi_sqlops_xval;
+}
+
 /**
  *
  */
@@ -571,6 +621,11 @@ static sr_kemi_t sr_kemi_sqlops_exports[] = {
 		{ SR_KEMIP_STR, SR_KEMIP_STR, SR_KEMIP_NONE,
 			SR_KEMIP_NONE, SR_KEMIP_NONE, SR_KEMIP_NONE }
 	},
+	{ str_init("sqlops"), str_init("sql_result_get"),
+		SR_KEMIP_XVAL, ki_sqlops_result_get,
+		{ SR_KEMIP_STR, SR_KEMIP_INT, SR_KEMIP_INT,
+			SR_KEMIP_NONE, SR_KEMIP_NONE, SR_KEMIP_NONE }
+	},
 
 	{ {0, 0}, {0, 0}, 0, NULL, { 0, 0, 0, 0, 0, 0 } }
 };