diff options
Diffstat (limited to 'storage/innobase/include/row0ext.h')
| -rw-r--r-- | storage/innobase/include/row0ext.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/storage/innobase/include/row0ext.h b/storage/innobase/include/row0ext.h index 43d82d644e6..557da2c4a82 100644 --- a/storage/innobase/include/row0ext.h +++ b/storage/innobase/include/row0ext.h @@ -30,6 +30,7 @@ Created September 2006 Marko Makela #include "row0types.h" #include "data0types.h" #include "mem0mem.h" +#include "dict0types.h" /********************************************************************//** Creates a cache of column prefixes of externally stored columns. @@ -43,13 +44,13 @@ row_ext_create( in the InnoDB table object, as reported by dict_col_get_no(); NOT relative to the records in the clustered index */ + ulint flags, /*!< in: table->flags */ const dtuple_t* tuple, /*!< in: data tuple containing the field references of the externally stored columns; must be indexed by col_no; the clustered index record must be covered by a lock or a page latch to prevent deletion (rollback or purge). */ - ulint zip_size,/*!< compressed page size in bytes, or 0 */ mem_heap_t* heap); /*!< in: heap where created */ /********************************************************************//** @@ -63,7 +64,8 @@ row_ext_lookup_ith( const row_ext_t* ext, /*!< in/out: column prefix cache */ ulint i, /*!< in: index of ext->ext[] */ ulint* len); /*!< out: length of prefix, in bytes, - at most REC_MAX_INDEX_COL_LEN */ + at most the length determined by + DICT_MAX_FIELD_LEN_BY_FORMAT() */ /********************************************************************//** Looks up a column prefix of an externally stored column. @return column prefix, or NULL if the column is not stored externally, @@ -78,13 +80,18 @@ row_ext_lookup( dict_col_get_no(); NOT relative to the records in the clustered index */ ulint* len); /*!< out: length of prefix, in bytes, - at most REC_MAX_INDEX_COL_LEN */ + at most the length determined by + DICT_MAX_FIELD_LEN_BY_FORMAT() */ /** Prefixes of externally stored columns */ struct row_ext_struct{ ulint n_ext; /*!< number of externally stored columns */ const ulint* ext; /*!< col_no's of externally stored columns */ byte* buf; /*!< backing store of the column prefix cache */ + ulint max_len;/*!< maximum prefix length, it could be + REC_ANTELOPE_MAX_INDEX_COL_LEN or + REC_VERSION_56_MAX_INDEX_COL_LEN depending + on row format */ ulint len[1]; /*!< prefix lengths; 0 if not cached */ }; |