From 2726a8024b2c8a9a136c00e19f48879a10276a05 Mon Sep 17 00:00:00 2001
From: Janos Kovacs <jankovac503@gmail.com>
Date: Fri, 11 Jan 2013 01:02:24 +0200
Subject: [PATCH] lua-decision: add C access routines to mrp_lua_mdb_select_t

---
 src/core/lua-decision/mdb.c | 61 ++++++++++++++++++++++++++++++++++++++++++++-
 src/core/lua-decision/mdb.h | 16 ++++++++++++
 2 files changed, 76 insertions(+), 1 deletion(-)

diff --git a/src/core/lua-decision/mdb.c b/src/core/lua-decision/mdb.c
index c05e38d..9e661df 100644
--- a/src/core/lua-decision/mdb.c
+++ b/src/core/lua-decision/mdb.c
@@ -357,11 +357,70 @@ int mrp_lua_push_select(lua_State *L,mrp_lua_mdb_select_t *sel,bool singleval)
     return 1;
 }
 
-const char * mrp_lua_select_name(mrp_lua_mdb_select_t *sel)
+const char *mrp_lua_select_name(mrp_lua_mdb_select_t *sel)
 {
     return (sel && sel->name) ? sel->name : "<unknown>";
 }
 
+int mrp_lua_select_get_column_index(mrp_lua_mdb_select_t *sel,
+                                    const char *colnam)
+{
+    mrp_lua_strarray_t *cols;
+    size_t colidx;
+
+    if (sel && colnam && (cols = sel->columns)) {
+        for (colidx = 0;   colidx < cols->nstring;   colidx++) {
+            if (!strcmp(colnam, cols->strings[colidx]))
+                return (int)colidx;
+        }
+    }
+
+    return -1;
+}
+
+int mrp_lua_select_get_column_count(mrp_lua_mdb_select_t *sel)
+{
+    return sel ? mql_result_rows_get_row_column_count(sel->result) : -1;
+}
+
+mqi_data_type_t mrp_lua_select_get_column_type(mrp_lua_mdb_select_t *sel,
+                                               int colidx)
+{
+    return sel ? mql_result_rows_get_row_column_type(sel->result, colidx) : -1;
+}
+
+int mrp_lua_select_get_row_count(mrp_lua_mdb_select_t *sel)
+{
+    return sel ? mql_result_rows_get_row_count(sel->result) : -1;
+}
+
+const char *mrp_lua_select_get_string(mrp_lua_mdb_select_t *sel,
+                                      int colidx, int rowidx,
+                                      char * buf, int len)
+{
+    return sel ? mql_result_rows_get_string(sel->result, colidx,rowidx,
+                                            buf,len) : NULL;
+}
+
+int32_t mrp_lua_select_get_integer(mrp_lua_mdb_select_t *sel,
+                                   int colidx, int rowidx)
+{
+    return sel ? mql_result_rows_get_integer(sel->result, colidx,rowidx) : 0;
+}
+
+uint32_t mrp_lua_select_get_unsigned(mrp_lua_mdb_select_t *sel,
+                                     int colidx, int rowidx)
+{
+    return sel ? mql_result_rows_get_unsigned(sel->result, colidx,rowidx) : 0;
+}
+
+double mrp_lua_select_get_floating(mrp_lua_mdb_select_t *sel,
+                                   int colidx, int rowidx)
+{
+    return sel ? mql_result_rows_get_floating(sel->result,colidx,rowidx) : 0.0;
+}
+
+
 int mrp_lua_dependency_add(lua_State *L, const char *name)
 {
     mrp_lua_mdb_dependency_t *dep;
diff --git a/src/core/lua-decision/mdb.h b/src/core/lua-decision/mdb.h
index 6c7adbb..86c5bd7 100644
--- a/src/core/lua-decision/mdb.h
+++ b/src/core/lua-decision/mdb.h
@@ -48,6 +48,22 @@ mrp_lua_mdb_select_t *mrp_lua_select_check(lua_State *L, int idx);
 mrp_lua_mdb_select_t *mrp_lua_to_select(lua_State *L, int idx);
 int mrp_lua_push_select(lua_State *L,mrp_lua_mdb_select_t *sel,bool singleval);
 const char * mrp_lua_select_name(mrp_lua_mdb_select_t *sel);
+int mrp_lua_select_get_column_index(mrp_lua_mdb_select_t *sel,
+                                    const char *colnam);
+int mrp_lua_select_get_column_count(mrp_lua_mdb_select_t *sel);
+mqi_data_type_t mrp_lua_select_get_column_type(mrp_lua_mdb_select_t *sel,
+                                               int colidx);
+int mrp_lua_select_get_row_count(mrp_lua_mdb_select_t *sel);
+const char *mrp_lua_select_get_string(mrp_lua_mdb_select_t *sel,
+                                      int colidx, int rowidx,
+                                      char * buf, int len);
+int32_t mrp_lua_select_get_integer(mrp_lua_mdb_select_t *sel,
+                                   int colidx, int rowidx);
+
+uint32_t mrp_lua_select_get_unsigned(mrp_lua_mdb_select_t *sel,
+                                     int colidx, int rowidx);
+double mrp_lua_select_get_floating(mrp_lua_mdb_select_t *sel,
+                                   int colidx, int rowidx);
 
 int mrp_lua_dependency_add(lua_State *L, const char *name);
 
-- 
2.7.4