hub / github.com/arkdb/inception / explain_subqueries

Method explain_subqueries

sql/opt_explain.cc:538–649 · view source on GitHub ↗

Traverses SQL clauses of this query specification to identify children subqueries, marks each of them with the clause they belong to. Then goes though all children subqueries and produces their EXPLAIN output, attached to the proper clause's context. @param result result stream @retval false Ok @retval true Error (OOM) */

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Callers

nothing calls this directly

Calls 15

mysql_explain_unitFunction · 0.85

explain_ref_keyFunction · 0.85

first_inner_unitMethod · 0.80

next_unitMethod · 0.80

first_selectMethod · 0.80

get_engine_for_explainMethod · 0.80

set_constMethod · 0.80

is_emptyMethod · 0.45

typeMethod · 0.45

begin_contextMethod · 0.45

is_hierarchicalMethod · 0.45

engine_typeMethod · 0.45

Tested by

no test coverage detected