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MDEV-17399 Add support for JSON_TABLE.

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The specific table handler for the table functions was introduced,
and used to implement JSON_TABLE.
This commit is contained in:
Alexey Botchkov
2021-03-17 09:03:45 +04:00
parent a3099a3b4a
commit e9fd327ee3
40 changed files with 6001 additions and 43 deletions
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12
sql/sql_parse.cc
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@ -7104,6 +7104,9 @@ check_table_access(THD *thd, privilege_t requirements, TABLE_LIST *tables,
if (table_ref->is_anonymous_derived_table())
continue;
if (table_ref->table_function)
continue;
if (table_ref->sequence)
{
/* We want to have either SELECT or INSERT rights to sequences depending
@ -8159,7 +8162,8 @@ TABLE_LIST *st_select_lex::add_table_to_list(THD *thd,
enum_mdl_type mdl_type,
List<Index_hint> *index_hints_arg,
List<String> *partition_names,
LEX_STRING *option)
LEX_STRING *option,
Table_function_json_table *tfunc)
{
TABLE_LIST *ptr;
TABLE_LIST *UNINIT_VAR(previous_table_ref); /* The table preceding the current one. */
@ -8184,6 +8188,7 @@ TABLE_LIST *st_select_lex::add_table_to_list(THD *thd,
}
if (unlikely(table->is_derived_table() == FALSE && table->db.str &&
!(table_options & TL_OPTION_TABLE_FUNCTION) &&
check_db_name((LEX_STRING*) &table->db)))
{
my_error(ER_WRONG_DB_NAME, MYF(0), table->db.str);
@ -8227,6 +8232,7 @@ TABLE_LIST *st_select_lex::add_table_to_list(THD *thd,
ptr->table_name= table->table;
ptr->lock_type= lock_type;
ptr->table_function= tfunc;
ptr->updating= MY_TEST(table_options & TL_OPTION_UPDATING);
/* TODO: remove TL_OPTION_FORCE_INDEX as it looks like it's not used */
ptr->force_index= MY_TEST(table_options & TL_OPTION_FORCE_INDEX);
@ -8271,7 +8277,9 @@ TABLE_LIST *st_select_lex::add_table_to_list(THD *thd,
{
if (unlikely(!my_strcasecmp(table_alias_charset, alias_str.str,
tables->alias.str) &&
!cmp(&ptr->db, &tables->db) && ! tables->sequence))
(tables->table_function || ptr->table_function ||
!cmp(&ptr->db, &tables->db)) &&
!tables->sequence))
{
my_error(ER_NONUNIQ_TABLE, MYF(0), alias_str.str); /* purecov: tested */
DBUG_RETURN(0); /* purecov: tested */