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Merged
dehowef merged 1 commit into from
Jun 19, 2023
Merged

Made changes to the readme.md file i.e. Aligned logo and modified titles #976

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12 changes: 6 additions & 6 deletions README.md
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Expand Up @@ -7,7 +7,7 @@

<h3 align="center">
<a href="https://age.apache.org/age-manual/master/_static/logo.png" target="_blank">
<img src="https://age.apache.org/age-manual/master/_static/logo.png"" height="25" height="30% alt="Apache AGE">
<img src="https://age.apache.org/age-manual/master/_static/logo.png" height="25" height="30% alt="Apache AGE style="margin: 0 0 -3px 0">
</a>
<a href="https://age.apache.org/age-manual/master/_static/logo.png" target="_blank">
</a>
Expand Down Expand Up @@ -56,7 +56,7 @@
<br>


<h2><img height="30" src="/img/AGE.png">&nbsp;&nbsp;What is Apache AGE?</h2>
<h2><img height="30" src="/img/AGE.png" style="margin: 0 0 -3px 0">&nbsp;&nbsp;What is Apache AGE?</h2>

[Apache AGE](https://age.apache.org/#) is an extension for PostgreSQL that enables users to leverage a graph database on top of the existing relational databases. AGE is an acronym for A Graph Extension and is inspired by Bitnine's AgensGraph, a multi-model database fork of PostgreSQL. The basic principle of the project is to create a single storage that handles both the relational and graph data model so that the users can use the standard ANSI SQL along with openCypher, one of the most popular graph query languages today.
</br>
Expand Down Expand Up @@ -134,7 +134,7 @@ Apache AGE is intended to be simple to install and run. It can be installed with
You will need to install an AGE compatible version of Postgres<a>, for now AGE supports Postgres 11, 12 & 13. Supporting the latest versions is on AGE roadmap.

<h4>
&nbsp;Install From Package Manager
&nbsp;Installation via Package Manager
</h4>

You can use a <a href="https://www.postgresql.org/download/">package management </a> that your OS provides to download AGE.
Expand All @@ -146,7 +146,7 @@ sudo apt install postgresql

```
<h4>
&nbsp;Install From Source Code
&nbsp;Installation From Source Code
</h4>

You can <a href="https://www.postgresql.org/ftp/source/"> download the Postgres </a> source code and install your own instance of Postgres. You can read instructions on how to install from source code for different versions on the <a href="https://www.postgresql.org/docs/11/installation.html">official Postgres Website.</a>
Expand All @@ -156,7 +156,7 @@ You can <a href="https://www.postgresql.org/ftp/source/"> download the Postgres
<h4><img width="20" src="/img/tux.svg"><img width="20" src="/img/apple.svg"> &nbsp;Install AGE on Linux and MacOS
</h4>

Clone the <a href="https://github.com/apache/age">github repository</a> or download the<a href="https://github.com/apache/age/releases">download an official release.
Clone the <a href="https://github.com/apache/age">github repository</a> or download the <a href="https://github.com/apache/age/releases">download an official release.
</a>
Run the pg_config utility and check the version of PostgreSQL. Currently, only PostgreSQL versions 11, 12 & 13 are supported. If you have any other version of Postgres, you will need to install PostgreSQL version 11, 12 or 13.
<br>
Expand Down Expand Up @@ -332,7 +332,7 @@ Starting with Apache AGE is very simple. You can easily select your platform and
Join the AGE community for help, questions, discussions, and contributions.

- Check our [website](https://age.apache.org/)
- Chat live with us on [Discord](https://discord.com/invite/NMsBs9X8Ss/)
- Join the Live Chat on [Discord](https://discord.com/invite/NMsBs9X8Ss/)
- Follow us on [Twitter](https://twitter.com/apache_age?s=20&t=7Hu8Txk4vjvuEp-ryakacg)
- Subscribe to our developer mailing list by sending an email to dev-subscribe@age.apache.org
- Subscribe to our user mailing list by sending an email to users-subscribe@age.apache.org
Expand Down
54 changes: 53 additions & 1 deletion regress/expected/cypher_merge.out
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Expand Up @@ -901,6 +901,53 @@ SELECT * FROM cypher('cypher_merge', $$ MATCH (n:node) RETURN n $$) AS (n agtype
{"id": 2533274790395907, "label": "node", "properties": {"age": 23, "name": "Lisa", "gender": "Female"}}::vertex
(2 rows)

--
-- Complex MERGE w/wo RETURN values
--
-- These should each create a path, if it doesn't already exist.
-- TODO Until the issue with variable reuse of 'x' in MERGE is corrected,
-- these commands will each create a new path.
SELECT * FROM cypher('cypher_merge', $$ MERGE ()-[:B]->(x:C)-[:E]->(x:C)<-[f:F]-(y:I) $$) AS (x agtype);
x
---
(0 rows)

SELECT * FROM cypher('cypher_merge', $$ MERGE ()-[:B]->(x:C)-[:E]->(x:C)<-[f:F]-(y:I) RETURN x $$) AS (x agtype);
x
------------------------------------------------------------------
{"id": 3096224743817220, "label": "C", "properties": {}}::vertex
(1 row)

SELECT * FROM cypher('cypher_merge', $$ MERGE p=()-[:B]->(x:C)-[:E]->(x:C)<-[f:F]-(y:I) $$) AS (p agtype);
p
---
(0 rows)

SELECT * FROM cypher('cypher_merge', $$ MERGE p=()-[:B]->(x:C)-[:E]->(x:C)<-[f:F]-(y:I) RETURN p $$) AS (p agtype);
p
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
[{"id": 281474976710708, "label": "", "properties": {}}::vertex, {"id": 2814749767106564, "label": "B", "end_id": 3096224743817223, "start_id": 281474976710708, "properties": {}}::edge, {"id": 3096224743817223, "label": "C", "properties": {}}::vertex, {"id": 3377699720527876, "label": "E", "end_id": 3096224743817224, "start_id": 3096224743817223, "properties": {}}::edge, {"id": 3096224743817224, "label": "C", "properties": {}}::vertex, {"id": 3659174697238532, "label": "F", "end_id": 3096224743817224, "start_id": 3940649673949188, "properties": {}}::edge, {"id": 3940649673949188, "label": "I", "properties": {}}::vertex]::path
(1 row)

SELECT * FROM cypher('cypher_merge', $$ MERGE p=()-[:B]->(x:C)-[:E]->(x:C)<-[f:F]-(y:I) RETURN p $$) AS (p agtype);
p
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
[{"id": 281474976710709, "label": "", "properties": {}}::vertex, {"id": 2814749767106565, "label": "B", "end_id": 3096224743817225, "start_id": 281474976710709, "properties": {}}::edge, {"id": 3096224743817225, "label": "C", "properties": {}}::vertex, {"id": 3377699720527877, "label": "E", "end_id": 3096224743817226, "start_id": 3096224743817225, "properties": {}}::edge, {"id": 3096224743817226, "label": "C", "properties": {}}::vertex, {"id": 3659174697238533, "label": "F", "end_id": 3096224743817226, "start_id": 3940649673949189, "properties": {}}::edge, {"id": 3940649673949189, "label": "I", "properties": {}}::vertex]::path
(1 row)

-- TODO This should only return 1 row, as the path should already exist.
-- However, we need to fix the variable reuse in MERGE. Until then,
-- this will always return 5 rows due to 'x' above not being the same node.
SELECT * FROM cypher('cypher_merge', $$ MATCH p=()-[:B]->(:C)-[:E]->(:C)<-[:F]-(:I) RETURN p $$) AS (p agtype);
p
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
[{"id": 281474976710705, "label": "", "properties": {}}::vertex, {"id": 2814749767106561, "label": "B", "end_id": 3096224743817217, "start_id": 281474976710705, "properties": {}}::edge, {"id": 3096224743817217, "label": "C", "properties": {}}::vertex, {"id": 3377699720527873, "label": "E", "end_id": 3096224743817218, "start_id": 3096224743817217, "properties": {}}::edge, {"id": 3096224743817218, "label": "C", "properties": {}}::vertex, {"id": 3659174697238529, "label": "F", "end_id": 3096224743817218, "start_id": 3940649673949185, "properties": {}}::edge, {"id": 3940649673949185, "label": "I", "properties": {}}::vertex]::path
[{"id": 281474976710706, "label": "", "properties": {}}::vertex, {"id": 2814749767106562, "label": "B", "end_id": 3096224743817219, "start_id": 281474976710706, "properties": {}}::edge, {"id": 3096224743817219, "label": "C", "properties": {}}::vertex, {"id": 3377699720527874, "label": "E", "end_id": 3096224743817220, "start_id": 3096224743817219, "properties": {}}::edge, {"id": 3096224743817220, "label": "C", "properties": {}}::vertex, {"id": 3659174697238530, "label": "F", "end_id": 3096224743817220, "start_id": 3940649673949186, "properties": {}}::edge, {"id": 3940649673949186, "label": "I", "properties": {}}::vertex]::path
[{"id": 281474976710707, "label": "", "properties": {}}::vertex, {"id": 2814749767106563, "label": "B", "end_id": 3096224743817221, "start_id": 281474976710707, "properties": {}}::edge, {"id": 3096224743817221, "label": "C", "properties": {}}::vertex, {"id": 3377699720527875, "label": "E", "end_id": 3096224743817222, "start_id": 3096224743817221, "properties": {}}::edge, {"id": 3096224743817222, "label": "C", "properties": {}}::vertex, {"id": 3659174697238531, "label": "F", "end_id": 3096224743817222, "start_id": 3940649673949187, "properties": {}}::edge, {"id": 3940649673949187, "label": "I", "properties": {}}::vertex]::path
[{"id": 281474976710708, "label": "", "properties": {}}::vertex, {"id": 2814749767106564, "label": "B", "end_id": 3096224743817223, "start_id": 281474976710708, "properties": {}}::edge, {"id": 3096224743817223, "label": "C", "properties": {}}::vertex, {"id": 3377699720527876, "label": "E", "end_id": 3096224743817224, "start_id": 3096224743817223, "properties": {}}::edge, {"id": 3096224743817224, "label": "C", "properties": {}}::vertex, {"id": 3659174697238532, "label": "F", "end_id": 3096224743817224, "start_id": 3940649673949188, "properties": {}}::edge, {"id": 3940649673949188, "label": "I", "properties": {}}::vertex]::path
[{"id": 281474976710709, "label": "", "properties": {}}::vertex, {"id": 2814749767106565, "label": "B", "end_id": 3096224743817225, "start_id": 281474976710709, "properties": {}}::edge, {"id": 3096224743817225, "label": "C", "properties": {}}::vertex, {"id": 3377699720527877, "label": "E", "end_id": 3096224743817226, "start_id": 3096224743817225, "properties": {}}::edge, {"id": 3096224743817226, "label": "C", "properties": {}}::vertex, {"id": 3659174697238533, "label": "F", "end_id": 3096224743817226, "start_id": 3940649673949189, "properties": {}}::edge, {"id": 3940649673949189, "label": "I", "properties": {}}::vertex]::path
(5 rows)

--clean up
SELECT * FROM cypher('cypher_merge', $$MATCH (n) DETACH DELETE n $$) AS (a agtype);
a
Expand All @@ -911,7 +958,7 @@ SELECT * FROM cypher('cypher_merge', $$MATCH (n) DETACH DELETE n $$) AS (a agtyp
* Clean up graph
*/
SELECT drop_graph('cypher_merge', true);
NOTICE: drop cascades to 9 other objects
NOTICE: drop cascades to 14 other objects
DETAIL: drop cascades to table cypher_merge._ag_label_vertex
drop cascades to table cypher_merge._ag_label_edge
drop cascades to table cypher_merge.e
Expand All @@ -921,6 +968,11 @@ drop cascades to table cypher_merge."Person"
drop cascades to table cypher_merge."City"
drop cascades to table cypher_merge."BORN_IN"
drop cascades to table cypher_merge.node
drop cascades to table cypher_merge."B"
drop cascades to table cypher_merge."C"
drop cascades to table cypher_merge."E"
drop cascades to table cypher_merge."F"
drop cascades to table cypher_merge."I"
NOTICE: graph "cypher_merge" has been dropped
drop_graph
------------
Expand Down
16 changes: 16 additions & 0 deletions regress/sql/cypher_merge.sql
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Expand Up @@ -479,6 +479,22 @@ SELECT * FROM cypher('cypher_merge', $$ MATCH (n:node) RETURN n $$) AS (n agtype
SELECT * FROM cypher('cypher_merge', $$ MERGE (n:node {name: 'Jason'}) SET n.name = 'Lisa', n.age = 23, n.gender = 'Female' RETURN n $$) AS (n agtype);
SELECT * FROM cypher('cypher_merge', $$ MATCH (n:node) RETURN n $$) AS (n agtype);

--
-- Complex MERGE w/wo RETURN values
--
-- These should each create a path, if it doesn't already exist.
-- TODO Until the issue with variable reuse of 'x' in MERGE is corrected,
-- these commands will each create a new path.
SELECT * FROM cypher('cypher_merge', $$ MERGE ()-[:B]->(x:C)-[:E]->(x:C)<-[f:F]-(y:I) $$) AS (x agtype);
SELECT * FROM cypher('cypher_merge', $$ MERGE ()-[:B]->(x:C)-[:E]->(x:C)<-[f:F]-(y:I) RETURN x $$) AS (x agtype);
SELECT * FROM cypher('cypher_merge', $$ MERGE p=()-[:B]->(x:C)-[:E]->(x:C)<-[f:F]-(y:I) $$) AS (p agtype);
SELECT * FROM cypher('cypher_merge', $$ MERGE p=()-[:B]->(x:C)-[:E]->(x:C)<-[f:F]-(y:I) RETURN p $$) AS (p agtype);
SELECT * FROM cypher('cypher_merge', $$ MERGE p=()-[:B]->(x:C)-[:E]->(x:C)<-[f:F]-(y:I) RETURN p $$) AS (p agtype);
-- TODO This should only return 1 row, as the path should already exist.
-- However, we need to fix the variable reuse in MERGE. Until then,
-- this will always return 5 rows due to 'x' above not being the same node.
SELECT * FROM cypher('cypher_merge', $$ MATCH p=()-[:B]->(:C)-[:E]->(:C)<-[:F]-(:I) RETURN p $$) AS (p agtype);

--clean up
SELECT * FROM cypher('cypher_merge', $$MATCH (n) DETACH DELETE n $$) AS (a agtype);

Expand Down
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