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Commit 844359b8 authored by marko's avatar marko
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branches/zip: dict_sys_tables_get_flags(), dict_create_sys_*_tuple(): 

Add some const qualifiers and comments.
parent 0af43fe4
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Showing with 57 additions and 47 deletions
dict/dict0crea.c
View file @ 844359b8
......@@ -51,16 +51,18 @@ static
dtuple_t*
dict_create_sys_tables_tuple(
/*=========================*/
dict_table_t* table, /*!< in: table */
mem_heap_t* heap) /*!< in: memory heap from which the memory for
the built tuple is allocated */
const dict_table_t* table, /*!< in: table */
mem_heap_t* heap) /*!< in: memory heap from
which the memory for the built
tuple is allocated */
{
dict_table_t* sys_tables;
dtuple_t* entry;
dfield_t* dfield;
byte* ptr;
ut_ad(table && heap);
ut_ad(table);
ut_ad(heap);
sys_tables = dict_sys->sys_tables;
......@@ -69,18 +71,18 @@ dict_create_sys_tables_tuple(
dict_table_copy_types(entry, sys_tables);
/* 0: NAME -----------------------------*/
dfield = dtuple_get_nth_field(entry, 0);
dfield = dtuple_get_nth_field(entry, 0/*NAME*/);
dfield_set_data(dfield, table->name, ut_strlen(table->name));
/* 3: ID -------------------------------*/
dfield = dtuple_get_nth_field(entry, 1);
dfield = dtuple_get_nth_field(entry, 1/*ID*/);
ptr = mem_heap_alloc(heap, 8);
mach_write_to_8(ptr, table->id);
dfield_set_data(dfield, ptr, 8);
/* 4: N_COLS ---------------------------*/
dfield = dtuple_get_nth_field(entry, 2);
dfield = dtuple_get_nth_field(entry, 2/*N_COLS*/);
#if DICT_TF_COMPACT != 1
#error
......@@ -91,7 +93,7 @@ dict_create_sys_tables_tuple(
| ((table->flags & DICT_TF_COMPACT) << 31));
dfield_set_data(dfield, ptr, 4);
/* 5: TYPE -----------------------------*/
dfield = dtuple_get_nth_field(entry, 3);
dfield = dtuple_get_nth_field(entry, 3/*TYPE*/);
ptr = mem_heap_alloc(heap, 4);
if (table->flags & (~DICT_TF_COMPACT & ~(~0 << DICT_TF_BITS))) {
......@@ -107,25 +109,25 @@ dict_create_sys_tables_tuple(
dfield_set_data(dfield, ptr, 4);
/* 6: MIX_ID (obsolete) ---------------------------*/
dfield = dtuple_get_nth_field(entry, 4);
dfield = dtuple_get_nth_field(entry, 4/*MIX_ID*/);
ptr = mem_heap_zalloc(heap, 8);
dfield_set_data(dfield, ptr, 8);
/* 7: MIX_LEN (additional flags) --------------------------*/
dfield = dtuple_get_nth_field(entry, 5);
dfield = dtuple_get_nth_field(entry, 5/*MIX_LEN*/);
ptr = mem_heap_alloc(heap, 4);
mach_write_to_4(ptr, table->flags >> DICT_TF2_SHIFT);
dfield_set_data(dfield, ptr, 4);
/* 8: CLUSTER_NAME ---------------------*/
dfield = dtuple_get_nth_field(entry, 6);
dfield = dtuple_get_nth_field(entry, 6/*CLUSTER_NAME*/);
dfield_set_null(dfield); /* not supported */
/* 9: SPACE ----------------------------*/
dfield = dtuple_get_nth_field(entry, 7);
dfield = dtuple_get_nth_field(entry, 7/*SPACE*/);
ptr = mem_heap_alloc(heap, 4);
mach_write_to_4(ptr, table->space);
......@@ -144,10 +146,11 @@ static
dtuple_t*
dict_create_sys_columns_tuple(
/*==========================*/
dict_table_t* table, /*!< in: table */
const dict_table_t* table, /*!< in: table */
ulint i, /*!< in: column number */
mem_heap_t* heap) /*!< in: memory heap from which the memory for
the built tuple is allocated */
mem_heap_t* heap) /*!< in: memory heap from
which the memory for the built
tuple is allocated */
{
dict_table_t* sys_columns;
dtuple_t* entry;
......@@ -156,7 +159,8 @@ dict_create_sys_columns_tuple(
byte* ptr;
const char* col_name;
ut_ad(table && heap);
ut_ad(table);
ut_ad(heap);
column = dict_table_get_nth_col(table, i);
......@@ -167,47 +171,47 @@ dict_create_sys_columns_tuple(
dict_table_copy_types(entry, sys_columns);
/* 0: TABLE_ID -----------------------*/
dfield = dtuple_get_nth_field(entry, 0);
dfield = dtuple_get_nth_field(entry, 0/*TABLE_ID*/);
ptr = mem_heap_alloc(heap, 8);
mach_write_to_8(ptr, table->id);
dfield_set_data(dfield, ptr, 8);
/* 1: POS ----------------------------*/
dfield = dtuple_get_nth_field(entry, 1);
dfield = dtuple_get_nth_field(entry, 1/*POS*/);
ptr = mem_heap_alloc(heap, 4);
mach_write_to_4(ptr, i);
dfield_set_data(dfield, ptr, 4);
/* 4: NAME ---------------------------*/
dfield = dtuple_get_nth_field(entry, 2);
dfield = dtuple_get_nth_field(entry, 2/*NAME*/);
col_name = dict_table_get_col_name(table, i);
dfield_set_data(dfield, col_name, ut_strlen(col_name));
/* 5: MTYPE --------------------------*/
dfield = dtuple_get_nth_field(entry, 3);
dfield = dtuple_get_nth_field(entry, 3/*MTYPE*/);
ptr = mem_heap_alloc(heap, 4);
mach_write_to_4(ptr, column->mtype);
dfield_set_data(dfield, ptr, 4);
/* 6: PRTYPE -------------------------*/
dfield = dtuple_get_nth_field(entry, 4);
dfield = dtuple_get_nth_field(entry, 4/*PRTYPE*/);
ptr = mem_heap_alloc(heap, 4);
mach_write_to_4(ptr, column->prtype);
dfield_set_data(dfield, ptr, 4);
/* 7: LEN ----------------------------*/
dfield = dtuple_get_nth_field(entry, 5);
dfield = dtuple_get_nth_field(entry, 5/*LEN*/);
ptr = mem_heap_alloc(heap, 4);
mach_write_to_4(ptr, column->len);
dfield_set_data(dfield, ptr, 4);
/* 8: PREC ---------------------------*/
dfield = dtuple_get_nth_field(entry, 6);
dfield = dtuple_get_nth_field(entry, 6/*PREC*/);
ptr = mem_heap_alloc(heap, 4);
mach_write_to_4(ptr, 0/* unused */);
......@@ -325,9 +329,10 @@ static
dtuple_t*
dict_create_sys_indexes_tuple(
/*==========================*/
dict_index_t* index, /*!< in: index */
mem_heap_t* heap) /*!< in: memory heap from which the memory for
the built tuple is allocated */
const dict_index_t* index, /*!< in: index */
mem_heap_t* heap) /*!< in: memory heap from
which the memory for the built
tuple is allocated */
{
dict_table_t* sys_indexes;
dict_table_t* table;
......@@ -336,7 +341,8 @@ dict_create_sys_indexes_tuple(
byte* ptr;
ut_ad(mutex_own(&(dict_sys->mutex)));
ut_ad(index && heap);
ut_ad(index);
ut_ad(heap);
sys_indexes = dict_sys->sys_indexes;
......@@ -347,32 +353,32 @@ dict_create_sys_indexes_tuple(
dict_table_copy_types(entry, sys_indexes);
/* 0: TABLE_ID -----------------------*/
dfield = dtuple_get_nth_field(entry, 0);
dfield = dtuple_get_nth_field(entry, 0/*TABLE_ID*/);
ptr = mem_heap_alloc(heap, 8);
mach_write_to_8(ptr, table->id);
dfield_set_data(dfield, ptr, 8);
/* 1: ID ----------------------------*/
dfield = dtuple_get_nth_field(entry, 1);
dfield = dtuple_get_nth_field(entry, 1/*ID*/);
ptr = mem_heap_alloc(heap, 8);
mach_write_to_8(ptr, index->id);
dfield_set_data(dfield, ptr, 8);
/* 4: NAME --------------------------*/
dfield = dtuple_get_nth_field(entry, 2);
dfield = dtuple_get_nth_field(entry, 2/*NAME*/);
dfield_set_data(dfield, index->name, ut_strlen(index->name));
/* 5: N_FIELDS ----------------------*/
dfield = dtuple_get_nth_field(entry, 3);
dfield = dtuple_get_nth_field(entry, 3/*N_FIELDS*/);
ptr = mem_heap_alloc(heap, 4);
mach_write_to_4(ptr, index->n_fields);
dfield_set_data(dfield, ptr, 4);
/* 6: TYPE --------------------------*/
dfield = dtuple_get_nth_field(entry, 4);
dfield = dtuple_get_nth_field(entry, 4/*TYPE*/);
ptr = mem_heap_alloc(heap, 4);
mach_write_to_4(ptr, index->type);
......@@ -384,7 +390,7 @@ dict_create_sys_indexes_tuple(
#error "DICT_SYS_INDEXES_SPACE_NO_FIELD != 7"
#endif
dfield = dtuple_get_nth_field(entry, 5);
dfield = dtuple_get_nth_field(entry, 5/*SPACE*/);
ptr = mem_heap_alloc(heap, 4);
mach_write_to_4(ptr, index->space);
......@@ -396,7 +402,7 @@ dict_create_sys_indexes_tuple(
#error "DICT_SYS_INDEXES_PAGE_NO_FIELD != 8"
#endif
dfield = dtuple_get_nth_field(entry, 6);
dfield = dtuple_get_nth_field(entry, 6/*PAGE_NO*/);
ptr = mem_heap_alloc(heap, 4);
mach_write_to_4(ptr, FIL_NULL);
......@@ -415,10 +421,11 @@ static
dtuple_t*
dict_create_sys_fields_tuple(
/*=========================*/
dict_index_t* index, /*!< in: index */
const dict_index_t* index, /*!< in: index */
ulint i, /*!< in: field number */
mem_heap_t* heap) /*!< in: memory heap from which the memory for
the built tuple is allocated */
mem_heap_t* heap) /*!< in: memory heap from
which the memory for the built
tuple is allocated */
{
dict_table_t* sys_fields;
dtuple_t* entry;
......@@ -428,7 +435,8 @@ dict_create_sys_fields_tuple(
ibool index_contains_column_prefix_field = FALSE;
ulint j;
ut_ad(index && heap);
ut_ad(index);
ut_ad(heap);
for (j = 0; j < index->n_fields; j++) {
if (dict_index_get_nth_field(index, j)->prefix_len > 0) {
......@@ -446,7 +454,7 @@ dict_create_sys_fields_tuple(
dict_table_copy_types(entry, sys_fields);
/* 0: INDEX_ID -----------------------*/
dfield = dtuple_get_nth_field(entry, 0);
dfield = dtuple_get_nth_field(entry, 0/*INDEX_ID*/);
ptr = mem_heap_alloc(heap, 8);
mach_write_to_8(ptr, index->id);
......@@ -454,7 +462,7 @@ dict_create_sys_fields_tuple(
dfield_set_data(dfield, ptr, 8);
/* 1: POS + PREFIX LENGTH ----------------------------*/
dfield = dtuple_get_nth_field(entry, 1);
dfield = dtuple_get_nth_field(entry, 1/*POS*/);
ptr = mem_heap_alloc(heap, 4);
......@@ -474,7 +482,7 @@ dict_create_sys_fields_tuple(
dfield_set_data(dfield, ptr, 4);
/* 4: COL_NAME -------------------------*/
dfield = dtuple_get_nth_field(entry, 2);
dfield = dtuple_get_nth_field(entry, 2/*COL_NAME*/);
dfield_set_data(dfield, field->name,
ut_strlen(field->name));
......@@ -605,6 +613,7 @@ dict_create_index_tree_step(
dict_table_t* sys_indexes;
dict_table_t* table;
dtuple_t* search_tuple;
ulint zip_size;
btr_pcur_t pcur;
mtr_t mtr;
......@@ -629,8 +638,9 @@ dict_create_index_tree_step(
btr_pcur_move_to_next_user_rec(&pcur, &mtr);
node->page_no = btr_create(index->type, index->space,
dict_table_zip_size(index->table),
zip_size = dict_table_zip_size(index->table);
node->page_no = btr_create(index->type, index->space, zip_size,
index->id, index, &mtr);
/* printf("Created a new index tree in space %lu root page %lu\n",
index->space, index->page_no); */
......
dict/dict0load.c
View file @ 844359b8
......@@ -260,7 +260,7 @@ dict_sys_tables_get_flags(
return(0);
}
field = rec_get_nth_field_old(rec, 4, &len);
field = rec_get_nth_field_old(rec, 4/*N_COLS*/, &len);
n_cols = mach_read_from_4(field);
if (UNIV_UNLIKELY(!(n_cols & 0x80000000UL))) {
......
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