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b2xy_cursor Struct Reference


Detailed Description

Structure to describe a cursor in the virtual table.

Definition at line 253 of file blobtoxy.c.

Data Fields

sqlite3_vtab_cursor base
 SQLite's base cursor struct.

b2xy_tabletable
 Link to table struct.

sqlite3_stmt * select
 Prepared SELECT statement or NULL.

sqlite3_value * key
 Value of current key.

int fix_cols
 Fixed number of columns of result set.

int num_cols
 Total number of columns of result set.

char * val
 Value of current BLOB.

int val_len
 Length of current BLOB.

int x_scale_col
 Column number of X scale or 0.

int x_offset_col
 Column number of X offset or 0.

double x_scale
double x_offset
 Current X scale and offset.

int y_scale_col
 Column number of Y scale or 0.

int y_offset_col
 Column number of Y offset or 0.

double y_scale
double y_offset
 Current X scale and offset.

int do_x_scale
 If true, use X scale and offset.

int do_y_scale
 If true, use Y scale and offset.

int do_x_sl
 If true, apply X start/length.

int x_start
int x_length
 X start/length.

int type
 Data type of BLOB.

int index
 Current index in BLOB.

int rowid_from_key
 When true, ROWID used from key column.

sqlite_int64 rowid
 Current ROWID.


Field Documentation

sqlite3_vtab_cursor b2xy_cursor::base
 

SQLite's base cursor struct.

Definition at line 254 of file blobtoxy.c.

int b2xy_cursor::do_x_scale
 

If true, use X scale and offset.

Definition at line 268 of file blobtoxy.c.

Referenced by b2xy_column(), and b2xy_next().

int b2xy_cursor::do_x_sl
 

If true, apply X start/length.

Definition at line 270 of file blobtoxy.c.

Referenced by b2xy_next(), and b2xy_open().

int b2xy_cursor::do_y_scale
 

If true, use Y scale and offset.

Definition at line 269 of file blobtoxy.c.

Referenced by b2xy_column(), and b2xy_next().

int b2xy_cursor::fix_cols
 

Fixed number of columns of result set.

Definition at line 258 of file blobtoxy.c.

Referenced by b2xy_column(), and b2xy_filter().

int b2xy_cursor::index
 

Current index in BLOB.

Definition at line 273 of file blobtoxy.c.

Referenced by b2xy_column(), and b2xy_next().

sqlite3_value* b2xy_cursor::key
 

Value of current key.

Definition at line 257 of file blobtoxy.c.

Referenced by b2xy_column(), and b2xy_next().

int b2xy_cursor::num_cols
 

Total number of columns of result set.

Definition at line 259 of file blobtoxy.c.

Referenced by b2xy_column(), and b2xy_filter().

sqlite_int64 b2xy_cursor::rowid
 

Current ROWID.

Definition at line 275 of file blobtoxy.c.

Referenced by b2xy_filter(), b2xy_next(), and b2xy_rowid().

int b2xy_cursor::rowid_from_key
 

When true, ROWID used from key column.

Definition at line 274 of file blobtoxy.c.

Referenced by b2xy_filter(), and b2xy_next().

sqlite3_stmt* b2xy_cursor::select
 

Prepared SELECT statement or NULL.

Definition at line 256 of file blobtoxy.c.

Referenced by b2xy_close(), b2xy_column(), b2xy_eof(), b2xy_filter(), and b2xy_next().

b2xy_table* b2xy_cursor::table
 

Link to table struct.

Definition at line 255 of file blobtoxy.c.

Referenced by b2xy_filter(), b2xy_next(), and b2xy_open().

int b2xy_cursor::type
 

Data type of BLOB.

Definition at line 272 of file blobtoxy.c.

Referenced by b2xy_column(), b2xy_next(), and b2xy_open().

char* b2xy_cursor::val
 

Value of current BLOB.

Definition at line 260 of file blobtoxy.c.

Referenced by b2xy_column(), and b2xy_next().

int b2xy_cursor::val_len
 

Length of current BLOB.

Definition at line 261 of file blobtoxy.c.

Referenced by b2xy_column(), and b2xy_next().

int b2xy_cursor::x_length
 

X start/length.

Definition at line 271 of file blobtoxy.c.

Referenced by b2xy_next(), and b2xy_open().

double b2xy_cursor::x_offset
 

Current X scale and offset.

Definition at line 264 of file blobtoxy.c.

Referenced by b2xy_column(), and b2xy_next().

int b2xy_cursor::x_offset_col
 

Column number of X offset or 0.

Definition at line 263 of file blobtoxy.c.

Referenced by b2xy_filter(), and b2xy_next().

double b2xy_cursor::x_scale
 

Definition at line 264 of file blobtoxy.c.

Referenced by b2xy_column(), and b2xy_next().

int b2xy_cursor::x_scale_col
 

Column number of X scale or 0.

Definition at line 262 of file blobtoxy.c.

Referenced by b2xy_filter(), and b2xy_next().

int b2xy_cursor::x_start
 

Definition at line 271 of file blobtoxy.c.

Referenced by b2xy_next(), and b2xy_open().

double b2xy_cursor::y_offset
 

Current X scale and offset.

Definition at line 267 of file blobtoxy.c.

Referenced by b2xy_column(), and b2xy_next().

int b2xy_cursor::y_offset_col
 

Column number of Y offset or 0.

Definition at line 266 of file blobtoxy.c.

Referenced by b2xy_filter(), and b2xy_next().

double b2xy_cursor::y_scale
 

Definition at line 267 of file blobtoxy.c.

Referenced by b2xy_column(), and b2xy_next().

int b2xy_cursor::y_scale_col
 

Column number of Y scale or 0.

Definition at line 265 of file blobtoxy.c.

Referenced by b2xy_filter(), and b2xy_next().


The documentation for this struct was generated from the following file:
Generated on 24 Feb 2018 by doxygen.
Contact: chw@ch-werner.de