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Hi everyone,
I'm encountering an issue with Apache AGE where a complex MATCH query always defaults to using a sequential scan, even though indexes exist on the queried columns. Disabling sequential…
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We will implement the following rule-based optimizations:
1. Filter pushdown
In particular pushing filters below joins. In the logical plan, `WHERE` conditions follow joins and will need to be pu…
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### What happened?
I encountered a performance issue while running tests on PostgreSQL 16.4 with the pgvectorscale extension and DiskANN configuration. Below are the details of my setup:
**Databas…
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**Describe the problem**
When working with JSON data types covered by a GIN or inverted index:
SELECT queries that include more than one property of a JSON column in the WHERE clause perform badly…
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I have define a graph with two types of vertices, each is uniquely identified by primary key `custom_id` which is of type `DT_SIGNED_INT64`.
```yaml
name: modern_graph # then must have a modern di…
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As part of moving plans from dls-bluesky-core, the `scan` plan (an equivalent to the GDA mscan command: `mscan` constructs a `ScanPointGenerator`, `scan` is passed a constructed `ScanSpec`: each just …
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I want to provide search results with more information, like how many documents have been found (counting) and also how many documents belong to other fields (faceted search).
I have solved this us…
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### Description
I found that slice pushdown is not enabled when combined with filtering. You can see in this example that slice is done after parquet scan when combined with a filter. Both the quer…
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I tested Q19a query of JOB benchmark in the latest PG17beta1 version. I found the following problems which indicate that hints cannot totally force the decisions of optimizer and optimizer will not fo…
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I've been trying to see the simulation of this application for the past 4 days. The build is successful, but when I use the launch command "roslaunch snp_prbt_bringup application_bringup.launch", I do…