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Initial implementation for bulk operations/array binding in prepared statements

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This commit is contained in:
Georg Richter
2016-07-01 10:10:11 +02:00
parent 45a635dead
commit 8e44202e74
4 changed files with 171 additions and 70 deletions
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27
include/mariadb_stmt.h
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@@ -57,7 +57,9 @@ enum enum_stmt_attr_type
STMT_ATTR_UPDATE_MAX_LENGTH,
STMT_ATTR_CURSOR_TYPE,
STMT_ATTR_PREFETCH_ROWS,
STMT_ATTR_PREBIND_PARAMS=200
STMT_ATTR_PREBIND_PARAMS=200,
STMT_ATTR_ARRAY_SIZE,
STMT_ATTR_BIND_TYPE
};
enum enum_cursor_type
@@ -68,6 +70,20 @@ enum enum_cursor_type
CURSOR_TYPE_SCROLLABLE= 4
};
enum enum_indicator_type
{
STMT_INDICATOR_NONE=0,
STMT_INDICATOR_NULL=1,
STMT_INDICATOR_DEFAULT=2,
STMT_INDICATOR_NTS=4
};
enum enum_bind_type
{
STMT_BIND_ROW=0,
STMT_BIND_COLUMN
};
typedef enum mysql_stmt_state
{
MYSQL_STMT_INITTED = 0,
@@ -96,7 +112,12 @@ typedef struct st_mysql_bind
unsigned char **row);
/* output buffer length, must be set when fetching str/binary */
unsigned long buffer_length;
unsigned long offset; /* offset position for char/binary fetch */
union {
unsigned long offset; /* offset position for char/binary fetch */
struct {
uchar *indicator;
};
};
unsigned long length_value; /* Used if length is 0 */
unsigned int flags; /* special flags, e.g. for dummy bind */
unsigned int pack_length; /* Internal length for packed data */
@@ -206,6 +227,8 @@ struct st_mysql_stmt
unsigned int execute_count;/* count how many times the stmt was executed */
mysql_stmt_use_or_store_func default_rset_handler;
struct st_mysqlnd_stmt_methods *m;
unsigned int array_size;
enum enum_bind_type bind_type;
};
typedef void (*ps_field_fetch_func)(MYSQL_BIND *r_param, const MYSQL_FIELD * field, unsigned char **row);