3.3 Logical Operators 3.4 Assignment Operators 4 Control Flow Functions 5 String Function5.1 String Comparison Functions 5.2 Regular Expressions 5.3 Character Set and Collation of Function Results 6 Numeric Fun
are_dynamic_parameters_allowed() : Sql_cmd, Sql_cmd_create_table, Sql_cmd_dmlArea() : gis::AreaArg_comparator() : Arg_comparatorarg_is_null() : Aggregator, Aggregator_distinct, Aggregator_simplearg_val_decimal() : Aggregator, Aggregator_distinct, Aggregator_simple...
https://dev.mysql.com/doc/refman/8.0/en/glossary.html#glos_acid MySQL Glossary These terms are commonly used in information about the MySQL database s
It is not. If you compare Mike’s queries with mine, his are often shorter. On the other hand, queries to maintain the nested set model in the event of adding/deleting a node, have to be multi-statement ones and must use concurrency control (you can see them in th...
Firewall Notes • In some cases, after performing an upgrade, stored procedures relating to MySQL Enterprise Firewall were not processed correctly. (Bug #36084822) Optimizer Notes • Pushing down a condition which had an aggregate function in a WHERE clause caused the aggregate function to be...
Important: After such tables are upgraded, they cannot be used any longer with MySQL 5.1 unless they are first downgraded again usingALTER TABLE ... PARTITION BY KEY ALGORITHM=1 (...)on a MySQL server supporting this option. This syntax is not backward compatible, and causes errors in older...
It does not. --- In any case, the very last query can not be correct, it contains 3 nested aggregates for 2 queries. There is no way to distribute them in any meaningful way. But again the expected behaviour depends on the above. How to repeat: drop table if exists t1; create ...
| -> Aggregate: count(EmailSent.EmailAddress) (cost=2061339.87 rows=1) (actual time=3950.661..3950.662 rows=1 loops=1) -> Nested loop inner join (cost=1958166.87 rows=1031730) (actual time=0.513..3939.475 rows=114611 loops=1) -> Index lookup on EmailSent using MailBatchId (MailBatchId=...
2137: fix nested subquery filter in exists We do not explore the children of subquery when attempting to decorrelate filters for exists queries; we now do this through the use of subquery.Correlated(). We should also avoid using uncacheable subqueries as keys for IndexLookups. fixes dolthub/...
for a column from the outerDISTINCTquery, but this should be allowed only if the subquery is used somewhere outside of theHAVING, or if the outerSELECTdoes not use grouping. The current issue came about because such a query was allowed to run even though neither of these conditions were ...