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Added a function to retrieve columns of a prepared statement

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This commit is contained in:
Alexey Romanov
2010-12-09 18:48:55 +03:00
parent 9913f3681b
commit 9f1f3492fc
4 changed files with 56 additions and 27 deletions
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2
c_src/sqlite3_drv.h
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@@ -26,6 +26,7 @@
#define CMD_PREPARED_RESET 8
#define CMD_PREPARED_CLEAR_BINDINGS 9
#define CMD_PREPARED_FINALIZE 10
#define CMD_PREPARED_COLUMNS 11
// Number of bytes for each key
// (160 bits for SHA1 hash)
@@ -82,6 +83,7 @@ static int prepared_step(sqlite3_drv_t *drv, char *buf, int len);
static int prepared_reset(sqlite3_drv_t *drv, char *buf, int len);
static int prepared_clear_bindings(sqlite3_drv_t *drv, char *buf, int len);
static int prepared_finalize(sqlite3_drv_t *drv, char *buf, int len);
static int prepared_columns(sqlite3_drv_t *drv, char *buf, int len);
static void sql_exec_async(void *async_command);
static void sql_free_async(void *async_command);
static void ready_async(ErlDrvData drv_data, ErlDrvThreadData thread_data);