/**********************************************************************//**
Creates a table memory object.
@return own: table object */
UNIV_INTERN
dict_table_t*
dict_mem_table_create(
/*==================*/
const char* name, /*!< in: table name */
ulint space, /*!< in: space where the clustered index of
the table is placed; this parameter is
ignored if the table is made a member of
a cluster */
ulint n_cols, /*!< in: number of columns */
ulint flags) /*!< in: table flags */
{
dict_table_t* table;
mem_heap_t* heap;
ut_ad(name);
ut_a(!(flags & (~0 << DICT_TF2_BITS)));
heap = mem_heap_create(DICT_HEAP_SIZE);
table = mem_heap_zalloc(heap, sizeof(dict_table_t));
table->heap = heap;
table->flags = (unsigned int) flags;
table->name = mem_heap_strdup(heap, name);
table->space = (unsigned int) space;
table->n_cols = (unsigned int) (n_cols + DATA_N_SYS_COLS);
table->cols = mem_heap_alloc(heap, (n_cols + DATA_N_SYS_COLS)
* sizeof(dict_col_t));
ut_d(table->magic_n = DICT_TABLE_MAGIC_N);
return(table);
}
/******************************************************************//**
Add a bound identifier to a symbol table.
@return symbol table node */
UNIV_INTERN
sym_node_t*
sym_tab_add_bound_id(
/*===========*/
sym_tab_t* sym_tab, /*!< in: symbol table */
const char* name) /*!< in: name of bound id */
{
sym_node_t* node;
pars_bound_id_t* bid;
bid = pars_info_get_bound_id(sym_tab->info, name);
ut_a(bid);
node = mem_heap_alloc(sym_tab->heap, sizeof(sym_node_t));
node->common.type = QUE_NODE_SYMBOL;
node->resolved = FALSE;
node->indirection = NULL;
node->name = mem_heap_strdup(sym_tab->heap, bid->id);
node->name_len = strlen(node->name);
UT_LIST_ADD_LAST(sym_list, sym_tab->sym_list, node);
dfield_set_null(&node->common.val);
node->common.val_buf_size = 0;
node->prefetch_buf = NULL;
node->cursor_def = NULL;
node->sym_table = sym_tab;
return(node);
}
/**********************************************************************//**
Creates an index memory object.
@return own: index object */
UNIV_INTERN
dict_index_t*
dict_mem_index_create(
/*==================*/
const char* table_name, /*!< in: table name */
const char* index_name, /*!< in: index name */
ulint space, /*!< in: space where the index tree is
placed, ignored if the index is of
the clustered type */
ulint type, /*!< in: DICT_UNIQUE,
DICT_CLUSTERED, ... ORed */
ulint n_fields) /*!< in: number of fields */
{
dict_index_t* index;
mem_heap_t* heap;
ut_ad(table_name && index_name);
heap = mem_heap_create(DICT_HEAP_SIZE);
index = mem_heap_zalloc(heap, sizeof(dict_index_t));
index->heap = heap;
index->type = type;
#ifndef UNIV_HOTBACKUP
index->space = (unsigned int) space;
#endif /* !UNIV_HOTBACKUP */
index->name = mem_heap_strdup(heap, index_name);
index->table_name = table_name;
index->n_fields = (unsigned int) n_fields;
index->fields = mem_heap_alloc(heap, 1 + n_fields
* sizeof(dict_field_t));
/* The '1 +' above prevents allocation
of an empty mem block */
#ifdef UNIV_DEBUG
index->magic_n = DICT_INDEX_MAGIC_N;
#endif /* UNIV_DEBUG */
return(index);
}
