handler0alter.h File Reference

Smart ALTER TABLE. More...

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Functions
void	alter_stats_rebuild (dict_table_t *table, const char *table_name, THD *thd)
	Adjust the persistent statistics after rebuilding ALTER TABLE. More...
void	innobase_rec_to_mysql (struct TABLE *table, const rec_t *rec, const dict_index_t *index, const ulint *offsets)
	Copies an InnoDB record to table->record[0]. More...
void	innobase_fields_to_mysql (struct TABLE *table, const dict_index_t *index, const dfield_t *fields)
	Copies an InnoDB index entry to table->record[0]. More...
void	innobase_row_to_mysql (struct TABLE *table, const dict_table_t *itab, const dtuple_t *row)
	Copies an InnoDB row to table->record[0]. More...
void	innobase_rec_reset (struct TABLE *table)
	Resets table->record[0]. More...

Variables
constexpr uint32_t	ERROR_STR_LENGTH = 1024

Detailed Description

Smart ALTER TABLE.

Function Documentation

alter_stats_rebuild()

void alter_stats_rebuild	(	dict_table_t *	table,
		const char *	table_name,
		THD *	thd
	)

Adjust the persistent statistics after rebuilding ALTER TABLE.

Remove statistics for dropped indexes, add statistics for created indexes and rename statistics for renamed indexes.

Parameters

table	InnoDB table that was rebuilt by ALTER TABLE
table_name	Table name in MySQL
thd	MySQL connection

innobase_fields_to_mysql()

void innobase_fields_to_mysql	(	struct TABLE *	table,
		const dict_index_t *	index,
		const dfield_t *	fields
	)

Copies an InnoDB index entry to table->record[0].

Parameters

[in,out]	table	Mysql table
[in]	index	Innodb index
[in]	fields	Innodb index fields

innobase_rec_reset()

void innobase_rec_reset

(

struct TABLE *

table

)

Resets table->record[0].

in/out: MySQL table

Parameters

table

in/out: MySQL table

innobase_rec_to_mysql()

void innobase_rec_to_mysql	(	struct TABLE *	table,
		const rec_t *	rec,
		const dict_index_t *	index,
		const ulint *	offsets
	)

Copies an InnoDB record to table->record[0].

Parameters

[in,out]	table	Mysql table
[in]	rec	Record
[in]	index	Index
[in]	offsets	rec_get_offsets( rec, index, ...)

innobase_row_to_mysql()

void innobase_row_to_mysql	(	struct TABLE *	table,
		const dict_table_t *	itab,
		const dtuple_t *	row
	)

Copies an InnoDB row to table->record[0].

Parameters

[in,out]	table	Mysql table
[in]	itab	Innodb table
[in]	row	Innodb row

Variable Documentation

ERROR_STR_LENGTH

constexpr uint32_t ERROR_STR_LENGTH = 1024

constexpr