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MDEV-33281 Optimizer hints Cleanup: fix formatting, rename objects

This commit is contained in:
Oleg Smirnov
2024-07-17 16:50:14 +07:00
parent bd30c796fa
commit 4bb2669d18
24 changed files with 555 additions and 282 deletions

View File

@@ -469,7 +469,7 @@ id jid val
2 1 2
2 2 4
2 3 6
SELECT /*+ JOIN_ORDER(jt, t1) */ id, jt.*
SELECT id, jt.*
FROM t1,
JSON_TABLE(jd, '$[*]' COLUMNS (jid FOR ORDINALITY,
val INT PATH '$')) AS jt;
@@ -480,14 +480,14 @@ id jid val
2 1 2
2 2 4
2 3 6
EXPLAIN SELECT /*+ JOIN_ORDER(jt, t1) */ id, jt.*
EXPLAIN SELECT id, jt.*
FROM t1,
JSON_TABLE(jd, '$[*]' COLUMNS (jid FOR ORDINALITY,
val INT PATH '$')) AS jt;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2
1 SIMPLE jt ALL NULL NULL NULL NULL 40 Table function: json_table
SELECT /*+ JOIN_ORDER(t2,jt) */ t1.id, t2.id, jt.*
SELECT t1.id, t2.id, jt.*
FROM t1,
JSON_TABLE(t1.jd, '$[*]' COLUMNS (jid FOR ORDINALITY,
val INT PATH '$')) AS jt,
@@ -514,7 +514,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2
1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
1 SIMPLE jt ALL NULL NULL NULL NULL 40 Table function: json_table
EXPLAIN SELECT /*+ JOIN_ORDER(t2,jt) */ t1.id, t2.id, jt.*
EXPLAIN SELECT t1.id, t2.id, jt.*
FROM t1,
JSON_TABLE(t1.jd, '$[*]' COLUMNS (jid FOR ORDINALITY,
val INT PATH '$')) AS jt,