Add sqlite3_stmt_isexplain

src/SQLitePCLRaw.core/isqlite3.cs

@@ -208,6 +208,7 @@ public interface ISQLite3Provider
         int sqlite3_value_type(IntPtr p);
         utf8z sqlite3_value_text(IntPtr p);
 
+        int sqlite3_stmt_isexplain(sqlite3_stmt stmt);
         int sqlite3_stmt_busy(sqlite3_stmt stmt);
         int sqlite3_stmt_readonly(sqlite3_stmt stmt);
 

src/SQLitePCLRaw.core/raw.cs

@@ -1117,6 +1117,11 @@ static public int sqlite3_bind_parameter_index(sqlite3_stmt stmt, string strName
             return sqlite3_bind_parameter_index(stmt, strName.to_utf8z());
         }
 
+        static public int sqlite3_stmt_isexplain(sqlite3_stmt stmt)
+        {
+            return _imp.sqlite3_stmt_isexplain(stmt);
+        }
+
         static public int sqlite3_stmt_busy(sqlite3_stmt stmt)
         {
             return _imp.sqlite3_stmt_busy(stmt);

src/SQLitePCLRaw.ugly/ugly.cs

@@ -485,6 +485,11 @@ public static void step_done(this sqlite3_stmt stmt)
             }
         }
 
+        public static int stmt_isexplain(this sqlite3_stmt stmt)
+        {
+            return raw.sqlite3_stmt_isexplain(stmt);
+        }
+
         public static int stmt_busy(this sqlite3_stmt stmt)
         {
             return raw.sqlite3_stmt_busy(stmt);

src/common/tests_xunit.cs

@@ -1450,6 +1450,39 @@ public void test_stmt_busy()
             }
         }
 
+        [Fact]
+        public void test_stmt_isexplain()
+        {
+            using (sqlite3 db = ugly.open(":memory:"))
+            {
+                db.exec("CREATE TABLE foo (x int);");
+                db.exec("INSERT INTO foo (x) VALUES (1);");
+                string sql = "SELECT x FROM foo";
+                using (sqlite3_stmt stmt = db.prepare(sql))
+                {
+                    Assert.Equal(sql, stmt.sql());
+
+                    Assert.Equal(0, stmt.stmt_isexplain());
+                }
+
+                sql = "EXPLAIN SELECT x FROM foo";
+                using (sqlite3_stmt stmt = db.prepare(sql))
+                {
+                    Assert.Equal(sql, stmt.sql());
+
+                    Assert.Equal(1, stmt.stmt_isexplain());
+                }
+
+                sql = "EXPLAIN QUERY PLAN SELECT x FROM foo";
+                using (sqlite3_stmt stmt = db.prepare(sql))
+                {
+                    Assert.Equal(sql, stmt.sql());
+
+                    Assert.Equal(2, stmt.stmt_isexplain());
+                }
+            }
+        }
+
         [Fact]
         public void test_stmt_status()
         {

src/providers/provider.tt

@@ -1355,6 +1355,11 @@ namespace SQLitePCL
             return NativeMethods.sqlite3_step(stm);
         }
 
+        int ISQLite3Provider.sqlite3_stmt_isexplain(sqlite3_stmt stm)
+        {
+            return NativeMethods.sqlite3_stmt_isexplain(stm);
+        }
+
         int ISQLite3Provider.sqlite3_stmt_busy(sqlite3_stmt stm)
         {
             return NativeMethods.sqlite3_stmt_busy(stm);
@@ -1637,6 +1642,7 @@ namespace SQLitePCL
 		"sqlite3_rollback_hook",
 		"sqlite3_db_handle",
 		"sqlite3_next_stmt",
+		"sqlite3_stmt_isexplain",
 		"sqlite3_stmt_busy",
 		"sqlite3_stmt_readonly",
 		"sqlite3_exec",
@@ -2106,6 +2112,9 @@ namespace SQLitePCL
 		<#= attr #>
 		<#= front #> IntPtr sqlite3_next_stmt(sqlite3 db, IntPtr stmt);
 
+		<#= attr #>
+		<#= front #> int sqlite3_stmt_isexplain(sqlite3_stmt stmt);
+
 		<#= attr #>
 		<#= front #> int sqlite3_stmt_busy(sqlite3_stmt stmt);
 

todo.txt

@@ -52,8 +52,6 @@ sqlite3_create_window_function
 
 sqlite3_normalized_sql
 
-sqlite3_stmt_isexplain
-
 sqlite3_value_frombind
 
 sqlite3_serialize