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Fix typos in C comments inside sql/

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This commit is contained in:
Vasilii Lakhin
2025-03-09 18:19:33 +02:00
committed by Sergey Vojtovich
parent 153778437d
commit 717c12de0e
193 changed files with 746 additions and 746 deletions
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18
sql/sql_statistics.cc
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@@ -1074,7 +1074,7 @@ public:
This implementation of a purely virtual method sets the value of the
columns 'min_value', 'max_value', 'nulls_ratio', 'avg_length',
'avg_frequency', 'hist_size', 'hist_type' and 'histogram' of the
stistical table columns_stat according to the contents of the bitmap
statistical table columns_stat according to the contents of the bitmap
write_stat.column_stat_nulls and the values of the fields min_value,
max_value, nulls_ratio, avg_length, avg_frequency, hist_size, hist_type
and histogram of the structure write_stat from the Field structure
@@ -1569,7 +1569,7 @@ public:
/*
Initialize the iterator. It will return rows with n_keyparts matching the
curernt values.
current values.
@return false - OK
true - Error
@@ -2928,7 +2928,7 @@ int update_statistics_for_table(THD *thd, TABLE *table)
}
/*
Ensure that no one is reading satistics while we are writing them
Ensure that no one is reading statistics while we are writing them
This ensures that statistics is always read consistently
*/
mysql_mutex_lock(&table->s->LOCK_statistics);
@@ -2944,7 +2944,7 @@ int update_statistics_for_table(THD *thd, TABLE *table)
if (err)
rc= 1;
/* Update the statistical table colum_stats */
/* Update the statistical table column_stats */
stat_table= tables[COLUMN_STAT].table;
Column_stat column_stat(stat_table, table);
for (Field **field_ptr= table->field; *field_ptr; field_ptr++)
@@ -3306,7 +3306,7 @@ read_statistics_for_tables(THD *thd, TABLE_LIST *tables, bool force_reload)
DEBUG_SYNC(thd, "statistics_read_start");
/*
Do not read statistics for any query that explicity involves
Do not read statistics for any query that explicitly involves
statistical tables, failure to to do so we may end up
in a deadlock.
*/
@@ -4340,7 +4340,7 @@ double get_column_range_cardinality(Field *field,
@param endpoint The constant
@param avg_sel Average selectivity of condition "col=const" in this table.
It is calcuated as (#non_null_values / #distinct_values).
It is calculated as (#non_null_values / #distinct_values).
@return
Expected condition selectivity (a number between 0 and 1)
@@ -4388,7 +4388,7 @@ double Histogram_binary::point_selectivity(Field *field, key_range *endpoint,
/*
A special case: we're looking at a single bucket, and that bucket has
zero value-length. Use the multi-bucket formula (attempt to use
single-bucket formula will cause divison by zero).
single-bucket formula will cause division by zero).
For more details see [re_zero_length_buckets] above.
*/
@@ -4476,7 +4476,7 @@ bool is_stat_table(const Lex_ident_db &db, const Lex_ident_table &table)
}
/*
Check wheter we can use EITS statistics for a field or not
Check whether we can use EITS statistics for a field or not
TRUE : Use EITS for the columns
FALSE: Otherwise
@@ -4494,7 +4494,7 @@ bool is_eits_usable(Field *field)
(1): checks if we have EITS statistics for a particular column
(2): Don't use EITS for GEOMETRY columns
(3): Disabling reading EITS statistics for columns involved in the
partition list of a table. We assume the selecticivity for
partition list of a table. We assume the selectivity for
such columns would be handled during partition pruning.
*/