A few useful additions

Author: quinnj

src/SQLite.jl

@@ -88,6 +88,16 @@ sqliteprepare(db,sql,stmt,null) = @CHECK db sqlite3_prepare_v2(db.handle,sql,stm
 include("UDF.jl")
 export @sr_str, @register, register
 
+"""
+`SQLite.clear!(stmt::SQLite.Stmt)`
+
+clears any bound values to a prepared SQL statement.
+"""
+function clear!(stmt::Stmt)
+    sqlite3_clear_bindings(stmt.handle)
+    return
+end
+
 """
 `SQLite.bind!(stmt::SQLite.Stmt, values)`
 
@@ -103,6 +113,13 @@ Additional methods exist for working individual SQL parameters:
 """
 function bind! end
 
+function bind!(stmt::Stmt, values::Tuple)
+    nparams = sqlite3_bind_parameter_count(stmt.handle)
+    @assert nparams == length(values) "you must provide values for all placeholders"
+    for i in 1:nparams
+        @inbounds bind!(stmt, i, values[i])
+    end
+end
 function bind!(stmt::Stmt, values::Vector)
     nparams = sqlite3_bind_parameter_count(stmt.handle)
     @assert nparams == length(values) "you must provide values for all placeholders"

src/api.jl

@@ -124,7 +124,11 @@ end
 # SQLITE_API int sqlite3_bind_zeroblob(sqlite3_stmt*, int, int n);
 # SQLITE_API int sqlite3_bind_value(sqlite3_stmt*, int, const sqlite3_value*);
 
-# SQLITE_API int sqlite3_clear_bindings(sqlite3_stmt*);
+function sqlite3_clear_bindings(stmt::Ptr{Void})
+    return ccall( (:sqlite3_clear_bindings, sqlite3_lib),
+        Cint, (Ptr{Void},),
+        stmt)
+end
 
 function sqlite3_step(stmt::Ptr{Void})
     return ccall( (:sqlite3_step, sqlite3_lib),