feat: wikipedia data dump working

This commit is contained in:
Théo LUDWIG 2024-08-08 02:21:53 +01:00
parent 8dec198afe
commit f53a797169
Signed by: theoludwig
GPG Key ID: ADFE5A563D718F3B
5 changed files with 37 additions and 9 deletions

1
.gitignore vendored
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@ -25,6 +25,7 @@ cache.json
data/dump data/dump
data/sql/* data/sql/*
!data/sql/0000-tables-create.sql !data/sql/0000-tables-create.sql
!data/sql/0999-constraints.sql
# debug # debug
npm-debug.log* npm-debug.log*

23
TODO.md
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@ -6,13 +6,22 @@
- [x] Download SQL files - [x] Download SQL files
- [x] Extract SQL files - [x] Extract SQL files
- [x] Tables structure `CREATE TABLE` - [x] Tables structure `CREATE TABLE`
- [x] `page.sql` (`pages` tables) - [x] `page.sql` (`pages` table)
- [x] `pagelinks.sql` (`internal_links` tables) - [x] `pagelinks.sql` (`internal_links` table)
- [x] Adapt downloaded SQL files - [x] Adapt downloaded SQL files
- [x] `page.sql` (`pages` tables) - [x] `page.sql` (`pages` table)
- [x] `pagelinks.sql` (`internal_links` tables) - [x] `pagelinks.sql` (`internal_links` table)
- [ ] Import SQL files => Investigate why there is an error when importing - [x] Import SQL files
- [ ] Try `SELECT count(*) FROM internal_links il WHERE il.from_page_id = (SELECT p.id FROM pages p WHERE p.title = 'Linux'); -- Count of internal links for 'Linux' page` - [x] Try `SELECT count(*) FROM internal_links il WHERE il.from_page_id = (SELECT p.id FROM pages p WHERE p.title = 'Linux'); -- Count of internal links for 'Linux' page`
- [x] Try:
```sql
SELECT il.to_page_id, pl.title
FROM internal_links il
JOIN pages pl ON pl.id = il.to_page_id
WHERE il.from_page_id = (
SELECT p.id FROM pages p WHERE p.title = 'Node.js'
);
```
- [ ] Move from POC (Proof of concept) in `data` folder to `apps/cli` folder - [ ] Move from POC (Proof of concept) in `data` folder to `apps/cli` folder
- [ ] Documentation how to use + Last execution date - [ ] Documentation how to use + Last execution date
- [ ] Rewrite bash script to download and extract SQL files from Wikipedia Database Dump to Node.js for better cross-platform support and easier maintenance + automation, preferably one Node.js script to generate everything to create the database - [ ] Rewrite bash script to download and extract SQL files from Wikipedia Database Dump to Node.js for better cross-platform support and easier maintenance + automation, preferably one Node.js script to generate everything to create the database
@ -25,7 +34,7 @@
- [ ] Implement CLI (`cli`) - [ ] Implement CLI (`cli`)
- [ ] Add docs to add locale/edit translations, create component, install a dependency in a package, create a new package, technology used, architecture, links where it's deployed, how to use/install for end users, how to update dependencies with `npx taze -l` etc. - [ ] Add docs to add locale/edit translations, create component, install a dependency in a package, create a new package, technology used, architecture, links where it's deployed, how to use/install for end users, how to update dependencies with `npx taze -l` etc.
- [ ] GitHub Mirror - [ ] GitHub Mirror
- [ ] Delete `TODO.md` file and instead use issue for the remaining tasks - [ ] Delete `TODO.md` file and instead use issues for the remaining tasks
## Links ## Links

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@ -11,6 +11,7 @@ services:
MARIADB_DATABASE: ${DATABASE_NAME} MARIADB_DATABASE: ${DATABASE_NAME}
command: command:
--innodb_buffer_pool_size=4G --innodb_buffer_pool_size=4G
--key-buffer-size=4G
--innodb_log_buffer_size=256M --innodb_log_buffer_size=256M
--innodb_log_file_size=1G --innodb_log_file_size=1G
--innodb_write_io_threads=16 --innodb_write_io_threads=16

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@ -5,7 +5,7 @@ CREATE TABLE `pages` (
PRIMARY KEY (`id`), PRIMARY KEY (`id`),
UNIQUE KEY (`title`) UNIQUE KEY (`title`)
) ENGINE=InnoDB AUTO_INCREMENT=76684425 DEFAULT CHARSET=binary ROW_FORMAT=COMPRESSED; ) ENGINE=MyISAM AUTO_INCREMENT=76684425 DEFAULT CHARSET=binary ROW_FORMAT=COMPRESSED;
-- VARBINARY usage instead of VARCHAR explanation: <https://stackoverflow.com/a/13397437> -- VARBINARY usage instead of VARCHAR explanation: <https://stackoverflow.com/a/13397437>
-- > War on varchar. Changed all occurrences of varchar(N) and varchar(N) binary to varbinary(N). varchars cause problems ("Invalid mix of collations" errors) on MySQL databases with certain configs, most notably the default MySQL config. -- > War on varchar. Changed all occurrences of varchar(N) and varchar(N) binary to varbinary(N). varchars cause problems ("Invalid mix of collations" errors) on MySQL databases with certain configs, most notably the default MySQL config.
@ -19,4 +19,10 @@ CREATE TABLE `internal_links` (
PRIMARY KEY (`from_page_id`, `to_page_id`), PRIMARY KEY (`from_page_id`, `to_page_id`),
FOREIGN KEY (`from_page_id`) REFERENCES `pages` (`id`) ON DELETE CASCADE, FOREIGN KEY (`from_page_id`) REFERENCES `pages` (`id`) ON DELETE CASCADE,
FOREIGN KEY (`to_page_id`) REFERENCES `pages` (`id`) ON DELETE CASCADE FOREIGN KEY (`to_page_id`) REFERENCES `pages` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=binary ROW_FORMAT=COMPRESSED; ) ENGINE=MyISAM DEFAULT CHARSET=binary ROW_FORMAT=COMPRESSED;
SET @@session.unique_checks = 0;
SET @@session.foreign_key_checks = 0;
SET FOREIGN_KEY_CHECKS = 0;
SET UNIQUE_CHECKS = 0;

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@ -0,0 +1,11 @@
-- SET @@session.foreign_key_checks = 0;
-- SET FOREIGN_KEY_CHECKS = 0;
-- ALTER TABLE `internal_links` ADD CONSTRAINT fk_from_page_id FOREIGN KEY (`from_page_id`) REFERENCES `pages` (`id`);
-- ALTER TABLE `internal_links` ADD CONSTRAINT fk_to_page_id FOREIGN KEY (`to_page_id`) REFERENCES `pages` (`id`);
SET @@session.unique_checks = 1;
SET @@session.foreign_key_checks = 1;
SET FOREIGN_KEY_CHECKS = 1;
SET UNIQUE_CHECKS = 1;