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branches/zip: row_ext_create(), row_ext_lookup(): Clarify that the

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column numbers are relative to the InnoDB table object, or numbers
returned by dict_col_get_no().  This will have to be ensured in
all calling code.
This commit is contained in:
marko 2007-11-22 14:09:19 +00:00
parent 1fef36acae
commit 2080273eac
2 changed files with 14 additions and 6 deletions
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10
include/row0ext.h
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@ -22,7 +22,9 @@ row_ext_create(
/* out,own: column prefix cache */
ulint n_ext, /* in: number of externally stored columns */
const ulint* ext, /* in: col_no's of externally stored columns
in the clustered index record */
in the InnoDB table object, as reported by
dict_col_get_no(); NOT relative to the records
in the clustered index */
ulint zip_size,/* compressed page size, or 0 */
mem_heap_t* heap); /* in: heap where created */
@ -49,8 +51,10 @@ row_ext_lookup(
/* out: column prefix, or NULL if
the column is not stored externally */
row_ext_t* ext, /* in/out: column prefix cache */
ulint col, /* in: column number
in the clustered index record */
ulint col, /* in: column number in the InnoDB
table object, as reported by
dict_col_get_no(); NOT relative to the
records in the clustered index */
const byte* field, /* in: locally stored part of the column */
ulint f_len, /* in: length of field, in bytes */
ulint* len); /* out: length of prefix, in bytes,

10
include/row0ext.ic
View file

@ -31,7 +31,9 @@ row_ext_create(
/* out,own: column prefix cache */
ulint n_ext, /* in: number of externally stored columns */
const ulint* ext, /* in: col_no's of externally stored columns
in the clustered index record */
in the InnoDB table object, as reported by
dict_col_get_no(); NOT relative to the records
in the clustered index */
ulint zip_size,/* compressed page size, or 0 */
mem_heap_t* heap) /* in: heap where created */
{
@ -91,8 +93,10 @@ row_ext_lookup(
/* out: column prefix, or NULL if
the column is not stored externally */
row_ext_t* ext, /* in/out: column prefix cache */
ulint col, /* in: column number
in the clustered index record */
ulint col, /* in: column number in the InnoDB
table object, as reported by
dict_col_get_no(); NOT relative to the
records in the clustered index */
const byte* field, /* in: locally stored part of the column */
ulint f_len, /* in: length of field, in bytes */
ulint* len) /* out: length of prefix, in bytes,