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drizzled/structs.h
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#include "drizzled/lex_string.h"
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#include "drizzled/thr_lock.h"
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namespace drizzled
 
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{
 
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namespace internal
 
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{
 
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typedef struct st_io_cache IO_CACHE;
 
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}
 
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class Table;
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class Field;
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typedef struct st_io_cache IO_CACHE;
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typedef struct st_keyfile_info {        /* used with ha_info() */
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  unsigned char ref[MAX_REFLENGTH];             /* Pointer to current row */
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struct st_read_record;                          /* For referense later */
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class Session;
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class Cursor;
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namespace drizzled { namespace optimizer { class SqlSelect; } }
 
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namespace optimizer { class SqlSelect; }
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typedef struct st_read_record {                 /* Parameter to read_record */
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  Table *table;                 /* Head-form */
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  Table **forms;                        /* head and ref forms */
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  int (*read_record)(struct st_read_record *);
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  Session *session;
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  drizzled::optimizer::SqlSelect *select;
 
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  optimizer::SqlSelect *select;
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  uint32_t cache_records;
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  uint32_t ref_length,struct_length,reclength,rec_cache_size,error_offset;
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  uint32_t index;
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  unsigned char *record;
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  unsigned char *rec_buf;                /* to read field values  after filesort */
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  unsigned char *cache,*cache_pos,*cache_end,*read_positions;
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  IO_CACHE *io_cache;
 
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  internal::IO_CACHE *io_cache;
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  bool print_error, ignore_not_found_rows;
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  JoinTable *do_insideout_scan;
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} READ_RECORD;
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typedef int *(*update_var)(Session *, struct drizzle_show_var *);
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} /* namespace drizzled */
 
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        /* Bits in form->status */
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#define STATUS_NO_RECORD        (1+2)   /* Record isn't usably */
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#define STATUS_GARBAGE          1