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Row level lock code for the archive storage engine.

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sql/examples/ha_archive.h:
  Updates for new meta file.
sql/examples/ha_archive.cc:
  Removed debug statement.
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unknown
2004-10-05 01:40:00 -07:00
parent cd1cd0df72
commit 9da04daa00
2 changed files with 425 additions and 100 deletions
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14
sql/examples/ha_archive.h
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@ -32,8 +32,10 @@ typedef struct st_archive_share {
uint table_name_length,use_count;
pthread_mutex_t mutex;
THR_LOCK lock;
File meta_file; /* Meta file we use */
gzFile archive_write; /* Archive file we are working with */
bool dirty; /* Flag for if a flush should occur */
ulonglong rows_recorded; /* Number of rows in tables */
} ARCHIVE_SHARE;
/*
@ -50,7 +52,8 @@ class ha_archive: public handler
z_off_t current_position; /* The position of the row we just read */
byte byte_buffer[IO_SIZE]; /* Initial buffer for our string */
String buffer; /* Buffer used for blob storage */
unsigned int version; /* Used for recording version */
uint version; /* Used for recording version */
ulonglong scan_rows; /* Number of rows left in scan */
public:
ha_archive(TABLE *table): handler(table)
@ -104,7 +107,14 @@ public:
int rnd_init(bool scan=1);
int rnd_next(byte *buf);
int rnd_pos(byte * buf, byte *pos);
int get_row(byte *buf);
int get_row(gzFile file_to_read, byte *buf);
int read_meta_file(File meta_file, ulonglong *rows);
int write_meta_file(File meta_file, ulonglong rows, bool dirty);
ARCHIVE_SHARE *get_share(const char *table_name, TABLE *table);
int free_share(ARCHIVE_SHARE *share);
int rebuild_meta_file(char *table_name, File meta_file);
int read_data_header(gzFile file_to_read);
int write_data_header(gzFile file_to_write);
void position(const byte *record);
void info(uint);
int extra(enum ha_extra_function operation);