Initial support for Clickhouse

[igor-suhorukov]

Provide SchemaSpy doc generation support for ClickHouse database via clickhouse-jdbc

[igor-suhorukov]

CREATE DATABASE taxiride;

CREATE TABLE uk_price_paid
(
    price UInt32 comment 'comment on price column',
    date Date,
    postcode1 LowCardinality(String),
    postcode2 LowCardinality(String),
    type Enum8('terraced' = 1, 'semi-detached' = 2, 'detached' = 3, 'flat' = 4, 'other' = 0),
    is_new UInt8,
    duration Enum8('freehold' = 1, 'leasehold' = 2, 'unknown' = 0),
    addr1 String,
    addr2 String,
    street LowCardinality(String),
    locality LowCardinality(String),
    town LowCardinality(String),
    district LowCardinality(String),
    county LowCardinality(String) comment 'Country name'
)
ENGINE = MergeTree
ORDER BY (postcode1, postcode2, addr1, addr2)
comment 'UK table comment';

$ java -jar target/schemaspy-6.1.1-SNAPSHOT.jar -dp ~/dev/tools/clickhouse-jdbc-0.4.1-all.jar -o target -u default -t clickhouse -host 127.0.0.1 -db taxiride -cat %
  ____       _                          ____
 / ___|  ___| |__   ___ _ __ ___   __ _/ ___| _ __  _   _
 \___ \ / __| '_ \ / _ \ '_ ` _ \ / _` \___ \| '_ \| | | |
  ___) | (__| | | |  __/ | | | | | (_| |___) | |_) | |_| |
 |____/ \___|_| |_|\___|_| |_| |_|\__,_|____/| .__/ \__, |
                                             |_|    |___/

                                              6.1.1-SNAPSHOT

SchemaSpy generates an HTML representation of a database schema's relationships.
SchemaSpy comes with ABSOLUTELY NO WARRANTY.
SchemaSpy is free software and can be redistributed under the conditions of LGPL version 3 or later.
http://www.gnu.org/licenses/

INFO  - Starting Main v6.1.1-SNAPSHOT on laptop with PID 47921 (/home/iam/dev/projects/oss_contrib/schemaspy/target/schemaspy-6.1.1-SNAPSHOT.jar started by iam in /home/iam/dev/projects/oss_contrib/schemaspy)
INFO  - The following profiles are active: default
INFO  - Started Main in 1.307 seconds (JVM running for 1.699)
INFO  - Starting schema analysis
INFO  - Connected to ClickHouse - 23.2.2.20
INFO  - Gathering schema details
Gathering schema details....(0sec)
Connecting relationships....(0sec)
Writing/graphing summary.INFO  - Gathered schema details in 0 seconds
INFO  - Writing/graphing summary
INFO  - Graphviz renderer set to ':cairo'
........(0sec)
Writing/diagramming detailsINFO  - Completed summary in 0 seconds
INFO  - Writing/diagramming details
.(0sec)
Wrote relationship details of 1 tables/views to directory 'target' in 0 seconds.
View the results by opening target/index.html
INFO  - Wrote table details in 0 seconds
INFO  - Wrote relationship details of 1 tables/views to directory 'target' in 0 seconds.
INFO  - View the results by opening target/index.html

[igor-suhorukov]