SELECT<\/code><\/a> part are inserted regardless of whether the table already exists.<\/div>\nDoes anybody else find this behaviour “interesting”?<\/p>\n","protected":false},"excerpt":{"rendered":"
What would you expect the following to fail with? CREATE TABLE t1 (a int, b int); insert into t1 values (100,100); CREATE TEMPORARY TABLE t2 (a int, b int, primary key (a)); BEGIN; INSERT INTO t2 values(100,100); CREATE TEMPORARY TABLE … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[14],"tags":[70,628,109],"class_list":["post-1292","post","type-post","status-publish","format-standard","hentry","category-mysql","tag-drizzle","tag-mysql","tag-sql"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p5a6n8-kQ","jetpack-related-posts":[{"id":2307,"url":"https:\/\/www.flamingspork.com\/blog\/2011\/03\/01\/alter-table-rename-rename-rename\/","url_meta":{"origin":1292,"position":0},"title":"ALTER TABLE RENAME RENAME RENAME","author":"Stewart Smith","date":"2011-03-01","format":false,"excerpt":"Here's a nice challenge for you. What does the following do (or error out on?): CREATE TABLE t1 (a int); CREATE TABLE t2 (b int); ALTER TABLE t1 RENAME t3, RENAME t2, RENAME t4; I'd be interested to know what a) you think it does and then b) if you\u2026","rel":"","context":"In "drizzle"","block_context":{"text":"drizzle","link":"https:\/\/www.flamingspork.com\/blog\/category\/work-et-al\/drizzle-work-et-al\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":578,"url":"https:\/\/www.flamingspork.com\/blog\/2006\/02\/15\/information_schemafiles-querying-disk-usage-from-sql\/","url_meta":{"origin":1292,"position":1},"title":"INFORMATION_SCHEMA.FILES (querying disk usage from SQL)","author":"Stewart Smith","date":"2006-02-15","format":false,"excerpt":"In MySQL 5.1.6 there's a new INFORMATION_SCHEMA table. Currently, it only has information on files for NDB but we're hoping to change that in a future release (read: I think it would be neat). This table is a table generated by the MySQL server listing all the different files that\u2026","rel":"","context":"In "mysql"","block_context":{"text":"mysql","link":"https:\/\/www.flamingspork.com\/blog\/category\/work-et-al\/mysql\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1298,"url":"https:\/\/www.flamingspork.com\/blog\/2008\/12\/11\/stewart-learns-more-sql-oddities-or-wtfs\/","url_meta":{"origin":1292,"position":2},"title":"Stewart learns more SQL oddities (or WTFs)","author":"Stewart Smith","date":"2008-12-11","format":false,"excerpt":"In what situation will this succeed: ALTER TABLE t1 RENAME t2; but this fail: RENAME TABLE t1 TO t2; ? Highlight the white text below for the answer: When t1 is a temporary table. Wow... I wonder why that is, I can't think of any good reason...","rel":"","context":"In "drizzle"","block_context":{"text":"drizzle","link":"https:\/\/www.flamingspork.com\/blog\/category\/work-et-al\/drizzle-work-et-al\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2362,"url":"https:\/\/www.flamingspork.com\/blog\/2011\/04\/21\/http-json-alsosql-interface-to-drizzle\/","url_meta":{"origin":1292,"position":3},"title":"HTTP JSON AlsoSQL interface to Drizzle","author":"Stewart Smith","date":"2011-04-21","format":false,"excerpt":"So... I had another one of those \"hrrm... this shouldn't be hard to hack a proof-of-concept\" moments. Web apps are increasingly speaking JSON all around the place. Why can't we speak JSON to\/from the database? Why? Seriously, why not? One reason why MongoDB has found users is that JSON is\u2026","rel":"","context":"In "drizzle"","block_context":{"text":"drizzle","link":"https:\/\/www.flamingspork.com\/blog\/category\/work-et-al\/drizzle-work-et-al\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.flamingspork.com\/blog\/wp-content\/uploads\/2011\/04\/Screenshot-11-300x230.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":1576,"url":"https:\/\/www.flamingspork.com\/blog\/2009\/02\/25\/no-implicit-defaults\/","url_meta":{"origin":1292,"position":4},"title":"No implicit defaults","author":"Stewart Smith","date":"2009-02-25","format":false,"excerpt":"See also: MySQL Bug 43151 The MySQL Manual proudly states that you don't get implicit default values if strict mode. mysql> set sql_mode='STRICT_ALL_TABLES'; Query OK, 0 rows affected (0.00 sec) mysql> create table t1 (a int, b int, c int, d int, e int, f int, g int, h int,i\u2026","rel":"","context":"In "drizzle"","block_context":{"text":"drizzle","link":"https:\/\/www.flamingspork.com\/blog\/category\/work-et-al\/drizzle-work-et-al\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2310,"url":"https:\/\/www.flamingspork.com\/blog\/2011\/03\/03\/sql-oddity-alter-table-and-default-values\/","url_meta":{"origin":1292,"position":5},"title":"SQL Oddity: ALTER TABLE and default values","author":"Stewart Smith","date":"2011-03-03","format":false,"excerpt":"\u00ef\u00bb\u00bfSo, the MySQL (and Drizzle) ALTER TABLE syntax allows you to easily change the default value of a column. For example: CREATE TABLE t1 (answer int); ALTER TABLE t1 ALTER answer SET DEFAULT 42; So, you create a TIMESTAMP column and forgot to set the default value to CURRENT_TIMESTAMP. Easy,\u2026","rel":"","context":"In "drizzle"","block_context":{"text":"drizzle","link":"https:\/\/www.flamingspork.com\/blog\/category\/work-et-al\/drizzle-work-et-al\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.flamingspork.com\/blog\/wp-json\/wp\/v2\/posts\/1292","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.flamingspork.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.flamingspork.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.flamingspork.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.flamingspork.com\/blog\/wp-json\/wp\/v2\/comments?post=1292"}],"version-history":[{"count":3,"href":"https:\/\/www.flamingspork.com\/blog\/wp-json\/wp\/v2\/posts\/1292\/revisions"}],"predecessor-version":[{"id":1450,"href":"https:\/\/www.flamingspork.com\/blog\/wp-json\/wp\/v2\/posts\/1292\/revisions\/1450"}],"wp:attachment":[{"href":"https:\/\/www.flamingspork.com\/blog\/wp-json\/wp\/v2\/media?parent=1292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.flamingspork.com\/blog\/wp-json\/wp\/v2\/categories?post=1292"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.flamingspork.com\/blog\/wp-json\/wp\/v2\/tags?post=1292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}