1#ifndef SQL_PACK_ROWS_H_
2#define SQL_PACK_ROWS_H_
98 table_map tables_to_store_contents_of_null_rows_for);
218 return !
table->const_table && !(
table->is_nullable() &&
table->null_row);
227 if (
table->is_nullable()) {
228 if (
table->has_null_row()) {
229 null_row_flag = tbl.store_contents_of_null_rows &&
table->has_row()
233 *dptr++ =
static_cast<uchar>(null_row_flag);
235 assert(
table->is_started());
240 tbl.table->restore_null_flags();
241 tbl.table->reset_null_row();
246 if (tbl.copy_null_flags) {
247 memcpy(dptr,
table->null_flags,
table->s->null_bytes);
248 dptr +=
table->s->null_bytes;
251 for (
const Column &column : tbl.columns) {
264 tbl.table->set_null_row();
269 memcpy(dptr,
table->file->ref,
table->file->ref_length);
270 dptr +=
table->file->ref_length;
TABLE * table
Pointer to TABLE object that owns this field.
Definition: field.h:681
uint16 field_index() const
Returns field index.
Definition: field.h:1801
bool is_null(ptrdiff_t row_offset=0) const
Check whether the full table's row is NULL or the Field has value NULL.
Definition: field.h:1215
virtual uchar * pack(uchar *to, const uchar *from, size_t max_length) const
Pack the field into a format suitable for storage and transfer.
Definition: field.cc:1872
Definition: sql_optimizer.h:132
A typesafe replacement for DYNAMIC_ARRAY.
Definition: prealloced_array.h:70
Using this class is fraught with peril, and you need to be very careful when doing so.
Definition: sql_string.h:166
A structure that contains a list of input tables for a hash join operation, BKA join operation or a s...
Definition: pack_rows.h:92
Prealloced_array< Table, 4 > m_tables
Definition: pack_rows.h:117
void AddTable(TABLE *tab, bool store_contents_of_null_rows)
Definition: pack_rows.cc:77
table_map tables_to_get_rowid_for() const
Definition: pack_rows.h:110
bool has_blob_column() const
Definition: pack_rows.h:106
bool store_rowids() const
Definition: pack_rows.h:108
TableCollection()=default
bool m_store_rowids
Definition: pack_rows.h:133
size_t ref_and_null_bytes_size() const
Definition: pack_rows.h:104
table_map m_tables_bitmap
Definition: pack_rows.h:121
table_map m_tables_to_get_rowid_for
Definition: pack_rows.h:134
size_t m_ref_and_null_bytes_size
Definition: pack_rows.h:124
table_map tables_bitmap() const
Definition: pack_rows.h:102
const Prealloced_array< Table, 4 > & tables() const
Definition: pack_rows.h:100
bool m_has_blob_column
Definition: pack_rows.h:131
This file contains the field type.
enum_field_types
Column types for MySQL Note: Keep include/mysql/components/services/bits/stored_program_bits....
Definition: field_types.h:54
static bool bitmap_is_set(const MY_BITMAP *map, uint bit)
Definition: my_bitmap.h:94
Header for compiler-dependent features.
#define ALWAYS_INLINE
Definition: my_compiler.h:98
Some integer typedefs for easier portability.
unsigned char uchar
Definition: my_inttypes.h:51
uint64_t table_map
Definition: my_table_map.h:29
static PFS_engine_table_share_proxy table
Definition: pfs.cc:60
mutable_buffer buffer(void *p, size_t n) noexcept
Definition: buffer.h:419
Definition: pack_rows.cc:35
void PrepareForRequestRowId(const Prealloced_array< Table, 4 > &tables, table_map tables_to_get_rowid_for)
Definition: pack_rows.cc:292
bool ShouldCopyRowId(const TABLE *table)
Definition: pack_rows.h:215
bool StoreFromTableBuffers(const TableCollection &tables, String *buffer)
Take the data marked for reading in "tables" and store it in the provided buffer.
Definition: pack_rows.cc:211
ALWAYS_INLINE uchar * StoreFromTableBuffersRaw(const TableCollection &tables, uchar *dptr)
Definition: pack_rows.h:221
size_t ComputeRowSizeUpperBound(const TableCollection &tables)
Count up how many bytes a single row from the given tables will occupy, in "packed" format.
Definition: pack_rows.cc:195
const uchar * LoadIntoTableBuffers(const TableCollection &tables, const uchar *ptr)
Take the data in "ptr" and put it back to the tables' record buffers.
Definition: pack_rows.cc:237
void RequestRowId(const Prealloced_array< Table, 4 > &tables, table_map tables_to_get_rowid_for)
For each of the given tables, request that the row ID is filled in (the equivalent of calling file->p...
Definition: pack_rows.cc:281
NullRowFlag
Possible values of the NULL-row flag stored by StoreFromTableBuffers().
Definition: pack_rows.h:146
@ kNullWithoutData
The row is NULL-complemented. No column values are stored in the buffer.
@ kNotNull
The row is not a NULL-complemented one.
@ kNullWithData
The row is NULL-complemented.
Performance schema instrumentation interface.
MY_BITMAP read_set_internal
A bitmap of fields that are explicitly referenced by the query.
Definition: table.h:1647
A class that represents a field, which also holds a cached value of the field's data type.
Definition: pack_rows.h:60
const enum_field_types field_type
Definition: pack_rows.h:66
Field *const field
Definition: pack_rows.h:62
Column(Field *field)
Definition: pack_rows.cc:37
This struct is primarily used for holding the extracted columns in a hash join or BKA join,...
Definition: pack_rows.h:73
Table(TABLE *table_arg)
Definition: pack_rows.cc:42
bool copy_null_flags
Definition: pack_rows.h:79
bool store_contents_of_null_rows
Definition: pack_rows.h:86
Prealloced_array< Column, 8 > columns
Definition: pack_rows.h:76
TABLE * table
Definition: pack_rows.h:75
#define PSI_NOT_INSTRUMENTED
Definition: validate_password_imp.cc:41