from django.contrib.postgres.aggregates import StringAgg from django.db.models import Subquery, OuterRef, Q from people.models import Book subquery = ( Book.objects.annotate( _annotated_value=StringAgg( "people_
SQLSTATE: 0A000 Unsupported subquery expression: ACCESSING_OUTER_QUERY_COLUMN_IS_NOT_ALLOWED Accessing outer query column is not allowed in this location: <treeNode> AGGREGATE_FUNCTION_MIXED_OUTER_LOCAL_REFERENCES Found an aggregate function in a correlated predicate that has both outer and ...
Bug #27257 incorrect result in subquery with aggregate(outer_column) Submitted: 19 Mar 2007 12:06Modified: 11 Apr 2007 1:59 Reporter: Miguel Solorzano Email Updates: Status: Closed Impact on me: None Category: MySQL Server: OptimizerSeverity: S3 (Non-critical) Version: 5.1BKOS: Linux ...
Subquery Alias Set Operations WITH...AS CASE...WHEN OVER Clause Flink OpenSource SQL 1.12 Syntax Reference Flink Opensource SQL 1.10 Syntax Reference Historical Versions Identifiers Operators User Guide (Kuala Lumpur Region) API Reference (Kuala Lumpur Region) SQL Syntax Reference (Kuala Lumpur Region...
them MIN and MAX can be considered constants. In that respect MIN and MAX are just as any other scalar SQL function. However they were erroneously treated as the other aggregates by the optimizer. Fixed by introducing in Item_sum_hybrid (the superclass of MIN and MAX) the same calculation...
SqlScriptGenerator SqlScriptGeneratorOptions SqlVersion StateAuditOption StatementList StatementListSnippet StatementWithCtesAndXmlNamespaces StatisticsOption StatisticsOptionKind StatisticsPartitionRange StopListFullTextIndexOption StopRestoreOption StringLiteral SubqueryComparisonPredicate SubqueryComparisonPre...
另外,这个优化和SQL Server的local agg+global agg非常类似,这里扩展介绍下: 任何Aggregate 都可以拆成 Local Aggregate + Global Aggregate 两阶段聚合的原理,当不能完全下推agg到join下时,适当的下推local agg,使local agg下推到join下,这样可以减少join的数据量提升性能。
It is possible to use a subquery in the WHERE clause as well. Just like in the previous examples, this can be done to remove the separate step of finding a value to be updated and then to run the query to update it. We can continue working with our example from the previous steps....
A USE database statement is not allowed in a procedure, function or trigger. A week this year Against a week this time last year in SQL (NOT MDX) A WITH keyword and parenthesis are now required Accent Sensitivity Access Code - DELETE Statement with DISTINCTROW and T-SQL Access Now() vs...
Refs #28333 -- Moved SQLCompiler's forced column aliasing logic to get_select(). This extends query composability possibilities when dealing with subqueries which is necessary to implement window function filtering. comment:30 by Mariusz Felisiak <felisiak.mariusz@…>, 3年 ago In f387d024: ...