From bbd1b997cf153d54878efebc182bd88f1c64d45c Mon Sep 17 00:00:00 2001
From: Sebastian Harl <sh@tokkee.org>
Date: Wed, 20 May 2015 10:34:27 +0200
Subject: [PATCH] store: Add the timeseries field to metrics.

This is a boolean field that specifies whether a timeseries for the metric is
known to SysDB.
---
 src/core/store.c         | 5 +++++
 src/core/store_expr.c    | 2 +-
 src/include/core/store.h | 5 +++--
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/core/store.c b/src/core/store.c
index eb58ad8..bf12a93 100644
--- a/src/core/store.c
+++ b/src/core/store.c
@@ -946,6 +946,11 @@ sdb_store_get_field(sdb_store_obj_t *obj, int field, sdb_data_t *res)
 			if (! res)
 				return 0;
 			return sdb_data_copy(res, &ATTR(obj)->value);
+		case SDB_FIELD_TIMESERIES:
+			if (obj->type != SDB_METRIC)
+				return -1;
+			tmp.type = SDB_TYPE_BOOLEAN;
+			tmp.data.boolean = METRIC(obj)->store.type != NULL;
 		default:
 			return -1;
 	}
diff --git a/src/core/store_expr.c b/src/core/store_expr.c
index 6e39305..80c1f4a 100644
--- a/src/core/store_expr.c
+++ b/src/core/store_expr.c
@@ -167,7 +167,7 @@ sdb_store_expr_fieldvalue(int field)
 	sdb_data_t value = { SDB_TYPE_INTEGER, { .integer = field } };
 	sdb_store_expr_t *e;
 
-	if ((field < SDB_FIELD_NAME) || (SDB_FIELD_VALUE < field))
+	if ((field < SDB_FIELD_NAME) || (SDB_FIELD_TIMESERIES < field))
 		return NULL;
 	e = SDB_STORE_EXPR(sdb_object_create("store-fieldvalue", expr_type,
 				FIELD_VALUE, NULL, NULL, &value));
diff --git a/src/include/core/store.h b/src/include/core/store.h
index c051252..c52299e 100644
--- a/src/include/core/store.h
+++ b/src/include/core/store.h
@@ -62,6 +62,7 @@ enum {
 	SDB_FIELD_INTERVAL,      /* type: datetime */
 	SDB_FIELD_BACKEND,       /* type: array of strings */
 	SDB_FIELD_VALUE,         /* attributes only;  type: type of the value */
+	SDB_FIELD_TIMESERIES,    /* metrics only;  type: boolean */
 };
 #define SDB_STORE_TYPE_TO_NAME(t) \
 	(((t) == SDB_HOST) ? "host" \
@@ -80,6 +81,7 @@ enum {
 		: ((f) == SDB_FIELD_INTERVAL) ? "interval" \
 		: ((f) == SDB_FIELD_BACKEND) ? "backend" \
 		: ((f) == SDB_FIELD_VALUE) ? "value" \
+		: ((f) == SDB_FIELD_TIMESERIES) ? "timeseries" \
 		: "unknown")
 
 #define SDB_FIELD_TYPE(f) \
@@ -89,6 +91,7 @@ enum {
 		: ((f) == SDB_FIELD_INTERVAL) ? SDB_TYPE_DATETIME \
 		: ((f) == SDB_FIELD_BACKEND) ? (SDB_TYPE_ARRAY | SDB_TYPE_STRING) \
 		: ((f) == SDB_FIELD_VALUE) ? -1 /* unknown */ \
+		: ((f) == SDB_FIELD_TIMESERIES) ? SDB_TYPE_BOOLEAN \
 		: -1)
 
 /*
@@ -335,8 +338,6 @@ sdb_store_get_child(sdb_store_obj_t *host, int type, const char *name);
  * the returned value. If 'res' is NULL, the function will return whether the
  * field exists.
  *
- * Note: Retrieving the backend this way is not currently supported.
- *
  * Returns:
  *  - 0 on success
  *  - a negative value else
-- 
2.30.2