Remove table_name check if you want to apply this broadly. This can lead to confusion. Which basically means all the queries in postgres are by default converted to lowercase letters. Why don't American traffic signs use pictograms as much as other countries? How to create a backup of a single table in a postgres database? How is lift produced when the aircraft is going down steeply? How is lift produced when the aircraft is going down steeply? Still think that escapeAlias should quote aliases for AddExpression and what not cases, and that escapeField should take into account whether it needs to quote or not because it may have already gone through escapeAlias and escapeTable respectively. case. Second, while escaping all field names is not a problem at all (and, if I remember correctly is even encouraged by SQL-92), it is possible to escape only "special" field names. FAILED: [[SimpleTest]]: [MySQL] Unable to apply patch core-do-not-remove-double-quotes-on-postgresql-column-names-1600670-07_0.patch. Why does "Software Updater" say when performing updates that it is "updating snaps" when in reality it is not? Is there any way to do this?? In MySQL, if you make your schema column names double quoted, the current behavior will remove them. If you want to write portable applications you are Then database drivers can choose to implement it if needed and no existing code will break. PASSED: [[SimpleTest]]: [PHP 5.4 MySQL] 81,805 pass(es). Thanks! What do you call a reply or comment that shows great quick wit? That should be easy. As an example, I'm not sure if this is what we should be expecting. SQLFiddle proof: Yeah, looks like my text editor was inserting smart-quotes. When the migration is complete, you will access your Teams at stackoverflowteams.com, and they will no longer appear in the left sidebar on stackoverflow.com. I think the coverage is sufficient, but I still have a second-guess fear that I'm missing something security-wise. Drupal is a registered trademark of Dries Buytaert. All fails in editor and field group tests pass now, as well as some single tests in other test groups! To address the concerns that @mradcliffe expressed about security -- I specifically looked for security concerns in my review, and didn't see anything that jumped out at me. Re #35 Yep, mradcliffe I'm with you. I don't think __toString should get rid of SQL specific escaping or quoting, but that's also an option. Can we use first and third party cookies and web beacons to. For example, the identifiers FOO, foo, and "foo" are considered the same by PostgreSQL, but "Foo" and "FOO" are different from these three and . I think this unit test needs some work with regard to adding more data to test. Guess API change is no option and as you mentioned - why would one not quote? @mradcliffe: Can't find anything obvious wrong with the patch, but if you have concerns let's better hold it back until some more feedback. because again PostgreSQL lower-cases unquoted field names, which yields to a mismatch with the schema. Added quote string for mysql too, but that may come back with a failure. This change also seems unrelated to this issue. Example: we can create 2-columns with names DETAILS and details and while querying: Thanks for contributing an answer to Stack Overflow! Should use {@inheritdoc} with extended comment. advised to always quote a particular name or never quote it.). By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. PASSED: [[SimpleTest]]: [PHP 5.4 MySQL] 78,995 pass(es). See the log in the details link for more information. Retain letter-casing of table column names. It's either alias. An example of data being processed may be a unique identifier stored in a cookie. Ideas or options for a door in an open stairway. Is there anything we can do to address the concerns in #17? However in order to query them I need to put the table name inside the quotation "TABLE_NAME". There are some more exact query matches, but those tests use assertEqual(). The patch as it is has no potential to break queries. Could an object enter or leave the vicinity of the Earth without being detected? PostgreSQL query to list all table names? How actually can you perform the trick with the "illusion of the party distracting the dragon" like they did it in Vox Machina (animated series)? The patch works fine for simple queries (without joins). Yep, there seems to be a problem with orderBy() since the quoting in addExpression(). The question implies that double quotes, when used to force PostgreSQL to recognize casing for an identifier name, actually become part of the identifier name. In PostgreSQL, if table or column names are unquoted, like: They actually automatically folded to lower case first, so query above is identical to: If you were to convert all names to upper case, this statement will NOT work: You will have to double-quote every single name in this query to make it work: If, on other hand, you use standard PostgreSQL lower-case only agreement, you can use any case combination and it will work as long as you do not quote any name. Don't have enough time for a Node or full test before my flight. Why PostgreSQL does not like UPPERCASE table names? I added a unit test for PostgreSQL connection with one test method for escape field, which can be expanded on later. Let's try to change them so that we still assert for the right thing without doing a full string comparison: the two comment tests should really just look for the comment, not compare the whole query string. I thought it was useful to post here because the same problem needs to be solved in d8. Okay, just verified that all tests in patch pass PG bot! Un rseau votre image et nos frais If not, I can do a bot run later. When the migration is complete, you will access your Teams at stackoverflowteams.com, and they will no longer appear in the left sidebar on stackoverflow.com. If the assertIdentical for query strings is really required, the only thing I could think of is fixing it within the tests themselves. Tests should not try to do dumb comparisons of query strings, ever. We have converted the state_name column to Uppercase. I think that the reason escapeField needs to check if it's already quoted is that in some cases escapeField is called on a "table.field". Probably need to go git blame Drupal 7.x code base for the commit. (SchemaTest, SelectComplexTest, SelectTest, UpdateComplexTest, AlterTest). :-), - Patch failed Database tests on db-pgsql-9.1 + web-5.4 test run after I finally got to rebuild my testbot box. Fighting to balance identity and anonymity on the web(3) (Ep. In simple words, Postgres treats the data in (double-quotes) "" as case-sensitive. I added an inline comment in the driver regarding the code is from the abstract class. We also seem to be missing explicit test coverage of the change. What this patch misses is the ability to wrap with quotes each field which contains upper case. psql: FATAL: database "" does not exist. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. Define when creating or interacting with this table that this column should be double quoted. Indeed, this is pretty much the same bug report, both were even created around the same time. And I believe he can access, but does not like the fact that he needs to put quotes arounf table name and asks if he can skip quotes, just using uppercase. The shared trigger for both issues is that Drupal code needs to be able to query a Postgres database using table/column identifiers that may be using uppercase letters. Just like how you define that a column should not be null and it's default should be 0. Or you telling something different? Postgres is doing just fine with all-lowercase field names, without double quoting, but requires double quotes if there are other symbols, i.e. Patch looks good and seems RTBC from my side. Double quoting a schema column does not effect MySQL. DataScience Made Simple 2022. tests really should not do any string comparison. I removed the bit about case-sensitivity because we're just supporting what Drupal already expects. postgresql case when multiple columns { keyword } . rev2022.11.9.43021. How do planetarium apps and software calculate positions? So then when he created using uppercase, it stuck, but then when he queried using uppercase, it got lowercased and didn't work. Also, this has the "." understand our audience, and to tailor promotions you see, Diversity, Equity, and Inclusion Resources, http://binodsblog.blogspot.de/2011/02/postgresql-is-case-sensitive.html, http://www.postgresql.org/docs/8.0/static/sql-syntax.html#AEN1148, http://codesnippets.joyent.com/posts/show/1701, #1171866: Enforced fetching of fields/columns in lowercase breaks third-party integration. So if you created table with quotes, you should not skip quotes querying it. Please find attached the output from node and database PG test. PASSED: [[SimpleTest]]: [PHP 5.4 MySQL] 87,238 pass(es). I've also tried single quotes on the outside with both escaped and unescaped double quotes. please add inline comment, contains is assertNotEqual(FALSE, strpos($query, $expocted), contains. Drupal is a registered trademark of Dries Buytaert. How to import CSV file data into a PostgreSQL table, PostgreSQL error: Fatal: role "username" does not exist, psql: FATAL: database "" does not exist, Regular Expression Check for Capital Names in PostgreSQL, PostgreSQL "Column does not exist" but it actually does, How to configure Hibernate to make table/column name with uppercase AND lowercase letters, Rebuild of DB fails, yet size of the DB has doubled, How to know if the beginning of a word is a true prefix. To learn more, see our tips on writing great answers. In PostgreSQL, the RENAME COLUMN clause is used with the ALTER TABLE statement to rename one or more columns in a table. This is exactly what a schema is supposed to do. PASSED: [[SimpleTest]]: [MySQL] 58,961 pass(es). The base implementation is sane and should not be touched. @mradcliffe did you run the patch on PG already? PASSED: [[SimpleTest]]: [PHP 5.4 MySQL] 81,834 pass(es). +1 for RTBC, Can we replace this by @coversDefaultClass \Drupal\Core\Database\Driver\pgsql\Connection, Can we replace this by @covers ::escapeTable. Since I just ran into the same problem where I need to query an external PostgreSQL DB with CamelCase table (and field) names via Drupal 7, I want to add that the escape function for fields should be extended. I am not as familiar with all the uses for these methods that need to be tested. Neither; tests really should not do any string comparison. There is a chance that existing working code would break. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. I've been mainly working in contrib land for the past few months, but I was able to look at this today. Do i need to change any configurations in postgres? In order to proceed, I think we should merge the patch from #1622982: PostgreSQL auto-converts column names into lowercase into the patch here. New patch (#1013034: PostgreSQL constraints do not get renamed by db_rename_table()). See API documentation and comment standards. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. If the column name in existing code was 'firstName' => array, the default behavior has been to change that to 'firstname' when a query is ran. Stack Overflow for Teams is moving to its own domain! escapeAlias should always escape with quotes in my opinion. @alexpott mentions that the test against the query string is necessary in the typo'd comment in #1837118: UPDATE foo SET bar=(SELECT) is not supported: https://www.drupal.org/node/1837118#comment-6755630. Unable to apply patch. Maybe adding 'double quote' => TRUE to the schema is a more explicit and cleaner approach. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, There's a very answer with explanation at. drupal8.postgres-case.0.patch queued for re-testing. The last submitted patch, 68: drupal-1600670-postgres-capital-letters-68.patch, failed testing. Same result. How does DNS work when it comes to addresses after slash? PostgreSQL treats all identifiers in schema operations as lowercase, so the following creates NOT the table you intended: To retain natural casing in schema operations, identifiers have to be quoted: Quote the identifiers to retain their natural casing. Will create a query like this in MySQL currently and it will run just fine. Anyway thanks for the patch update :-). Is upper incomplete gamma function convex? My issue identified that a Drupal module cannot use table column names that are simply re-using the letter-casing of response parameters of an external RESTful API. Please check out, Change table column names to upper case in postgres, Fighting to balance identity and anonymity on the web(3) (Ep. This matches the MySQL documentation regarding identifiers. Can we use first and third party cookies and web beacons to. As I still have bad cold, just posting here ;-). I'm not sure which is the dumb query string comparison: a) assuming query string will always be the same or b) normalizing the query string before comparison? We and our partners use cookies to Store and/or access information on a device. I tracked this down to /includes/database/database.inc The escapeField() and escapeAlias() are removing the double quotes. names are always folded to lower case. 57. put table name into double quotes if you want postgres to preserve case for relation names. This is necessary for postgres to pass tests, so bumping to critical per #2157455: [Meta] Make Drupal 8 work with PostgreSQL or remove support from core before release. Particularly affects sites running on the PostgreSQL database. Docker compose with conda enviroment and postresql database - could not connect to server: Connection refused, Cannot simply use PostgreSQL table name ("relation does not exist"). If the double quotes are moved to escapeField() in the PostgreSQL driver, ALL fields would be escaped with double quotes on ALL queries. This is not necessarily the case because of other things in core (the isdefaultrevision alias issue). Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Stack Overflow for Teams is moving to its own domain! Attached is a new patch that should address any SQL injection issues. PostgreSQL treats all identifiers in schema operations as lowercase, so the following creates NOT the table you intended: To retain natural casing in schema operations, identifiers have to be quoted: Quote identifiers to retain their natural casing by implementing escapeField(), escapeTable(), and escapeAlias() methods. Edit: This is not necessarily true. Indeed, merged the issue summary into that issue. of unquoted names to lower case in PostgreSQL is incompatible with the Committed 60f36e8 and pushed to 8.0.x. Quoting an identifier also makes it case-sensitive, whereas unquoted Consider what happens if you run these two statements in sequence: PostgreSQL ignores the uppercasing (because the table name is not surrounded by quotes) and tries to make another table called my_table. When that happens, it throws an error: To make a table with uppercase letters, you'd have to run: Now you have two tables in your database: The only way to ever access My_Table is to then surround the identifier name with double quotes, as in: If you leave the identifier unquoted, then PostgreSQL would fold it to lowercase and query my_table. That's not correct. Is there any way to avoid this and tell the postgres to work with uppercase name as normal ? And get the data of in uppercase Column(DETAILS), you need to specify the column name in (double-quotes)"". The double quotes will be removed by the default database driver's escapeField(). character in the class, but that's not documented (or supported?). That query will fail on an existing install because when the table was created the column as added as all lower case letters. Conditions and Order By in the default classes allow escapeField() to be used with table alias. Is applying dropout the same as zeroing random neurons? devpreview queued 70: drupal-1600670-postgres-capital-letters-70.patch for re-testing. the problem is the quotations are part of the name now!! PostgreSQL converts all table column names into lowercase, unless quoted. All Rights Reserved. Here's the d7 correction in createTableSql() in includes/database/pgsql/schema.inc: With both the patch in #5 and the initial drupal8.postgres-case.0.patch at the beginning of this thread, Mollom installs correctly; however, in operation I get. Not the answer you're looking for? testSubSelectUpdate() I would prefer would assert on the result set than on the query string. Just think that we need an issue summary update here before we can haz RTBC? I think my preg_replace() in the test is lazy, and probably should be preg_replace('/[`"][A-Za-z0-9_]+[`"]+/') instead. For example, the identifiers Can we replace this by @covers ::escapeAlias and can we rename the function to testEscapeAlias. testSubSelectUpdate() I would prefer would assert on the result set than on the query string. However, you don't make a change like that to a production system without a lot of testing to ensure you do not break your queries. which I believe means "when you create table without quotes no matter case you can select it without quotes. External databases that are using identifiers with uppercase letters cannot be queried. But if you skipped quotes creating object, the name was folded to lowercase and so will be with uppercase name in query - this way you "won't notice" it. Does the Satanic Temples new abortion 'ritual' allow abortions under religious freedom? Connect and share knowledge within a single location that is structured and easy to search. With a hand full of reviews and all nitpicks fixed it seems that this is RTBC now, thanks! #1. First, I don't see how postgres version of escapeField() could affect MySQL. How to keep running DOS 16 bit applications when Windows 11 drops NTVDM. `pg_tblspc` missing after installation of latest version of OS X (Yosemite or El Capitan), How to keep running DOS 16 bit applications when Windows 11 drops NTVDM. Is that right? SQLite is not affected by the test changes. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Making statements based on opinion; back them up with references or personal experience. Asking for help, clarification, or responding to other answers. Where to find hikes accessible in November and reachable by public transport from Denver? I incorporated some of my comments from above into this patch as well. Also, in MySQL field names are case-insensitive regardless. I quoted docs - they say "you are advised to always quote a particular name or never quote it." In PostgreSQL, names of identifiers are always folded to lowercase unless you surround the identifier name with double quotes. Note: This tag should generally remain even after the backport has been written, approved, and committed. Retain letter-casing of table column names and aliases. Drupal's Postgres driver does not quote the table/column/alias identifiers, so Postgres creates them in lowercase and also fails to query them. Can we replace this by @covers ::escapeField. #56599: Case sensitivity issue with fields/columns in Postgres.
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