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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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6
sql/sql_explain.cc
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@ -1635,6 +1635,9 @@ void Explain_table_access::tag_to_json(Json_writer *writer, enum explain_extra_t
case ET_DISTINCT:
writer->add_member("distinct").add_bool(true);
break;
case ET_TABLE_FUNCTION:
writer->add_member("table_function").add_str("json_table");
break;
default:
DBUG_ASSERT(0);
@ -2027,6 +2030,9 @@ void Explain_table_access::append_tag_name(String *str, enum explain_extra_tag t
if (loose_scan_is_scanning)
str->append(" (scanning)");
break;
case ET_TABLE_FUNCTION:
str->append("Table function: json_table");
break;
}
default:
str->append(extra_tag_text[tag]);