fix: overwriting already existing query's context in childQueryOf
#12
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This is a fix for an edge case, where a query context could be already set in a `Model.query()` call or in a custom QueryBuilder's constructor. In our case we are defining columns with a custom `@DefaultOrderBy(columns)` decorator, they are stored to query's context after query builder is instantiated, and eventually are read in `query.onBuild()` hook to apply sorting for a query, if none other was provided to it in the meantime. But when coupled with fetching graphs, where both parent and children models have `@DefaultOrderBy` configured, child model's query context (eager query to fetch models for a relation) was being completely overwritten with parent's query context, and that, in our case, resulted in using invalid columns to be passed to `orderBy()`, resulting in a sql error.
flipace
approved these changes
Jan 8, 2023
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This is a fix for an edge case, where a query context could be already set in a
Model.query()call or in a custom QueryBuilder's constructor.In our case we are defining columns with a custom
@DefaultOrderBy(columns)decorator, they are stored to query's context after query builder is instantiated, and eventually are read inquery.onBuild()hook to apply sorting for a query, if none other was provided to it in the meantime.But when coupled with fetching graphs, where both parent and children models have
@DefaultOrderByconfigured, child model's query context (eager query to fetch models for a relation) was being completely overwritten with parent's query context, and that, in our case, resulted in using invalid columns to be passed toorderBy(), resulting in a sql error.