From: Sebastian Harl <sh@tokkee.org>
Date: Thu, 9 Oct 2014 06:57:07 +0000 (+0200)
Subject: frontend/parser: Added support for string concatenation.
X-Git-Tag: sysdb-0.6.0~128
X-Git-Url: https://git.tokkee.org/?p=sysdb.git;a=commitdiff_plain;h=0862576c7a992044c91788265ea964dfee8d6217

frontend/parser: Added support for string concatenation.
---

diff --git a/src/frontend/grammar.y b/src/frontend/grammar.y
index 3a78d24..93616ac 100644
--- a/src/frontend/grammar.y
+++ b/src/frontend/grammar.y
@@ -481,6 +481,13 @@ expression:
 			sdb_object_deref(SDB_OBJ($3)); $3 = NULL;
 		}
 	|
+	expression CONCAT expression
+		{
+			$$ = sdb_store_expr_create(SDB_DATA_CONCAT, $1, $3);
+			sdb_object_deref(SDB_OBJ($1)); $1 = NULL;
+			sdb_object_deref(SDB_OBJ($3)); $3 = NULL;
+		}
+	|
 	'.' IDENTIFIER
 		{
 			int field = sdb_store_parse_field_name($2);
diff --git a/t/unit/frontend/parser_test.c b/t/unit/frontend/parser_test.c
index 7560a5f..0c7b304 100644
--- a/t/unit/frontend/parser_test.c
+++ b/t/unit/frontend/parser_test.c
@@ -143,6 +143,9 @@ START_TEST(test_parse)
 		{ "LOOKUP hosts MATCHING "
 		  "attribute[foo] <= "
 		  "12. + .3",            -1,  1, CONNECTION_LOOKUP },
+		{ "LOOKUP hosts MATCHING "
+		  "attribute[foo] <= "
+		  "'f' || 'oo'",         -1,  1, CONNECTION_LOOKUP },
 		{ "LOOKUP hosts MATCHING "
 		  "attribute[foo] >= "
 		  ".4",                  -1,  1, CONNECTION_LOOKUP },
@@ -241,6 +244,12 @@ START_TEST(test_parse)
 		{ "LOOKUP foo MATCHING "
 		  "host = 'host' FILTER "
 		  "host = 'host'",       -1, -1, 0 },
+		{ "LOOKUP hosts MATCHING "
+		  "attribute[foo] <= "
+		  "f || 'oo'",           -1, -1, 0 },
+		{ "LOOKUP hosts MATCHING "
+		  "attribute[foo] <= "
+		  "'f' || oo",           -1, -1, 0 },
 	};
 
 	size_t i;